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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3731. Отображено 100.
15-03-2012 дата публикации

Ultraviolet-curable adhesive agent composite, adhesive agent layer, adhesive sheet, and manufacturing method therefor

Номер: US20120064336A1
Автор: Akiko Tanaka, Fumiko Nakano, Yutaka Moroishi
Принадлежит: Nitto Denko Corp

An ultraviolet-curable pressure-sensitive adhesive composition, comprising one or more monomer components comprising an acrylic monomer; an aromatic low-molecular-weight polymer having a weight-average molecular weight of 500 to 4000 inclusive, the molecular weight being according to gel permeation chromatography; and a photopolymerization initiator; wherein when the composition is turned into a pressure-sensitive adhesive layer, the haze value of the composition is 10% or less.

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Номер записи: 1
05-04-2012 дата публикации

Endoscopic device

Номер: US20120082842A1
Автор: Jun Matsumoto, Mitsuhiro Nakamura, Yuko Hirano
Принадлежит: OLYMPUS MEDICAL SYSTEMS CORP

An endoscope device is provided, which includes at least two component members bonded together through an adhesive layer which is formed by curing an adhesive composition, the adhesive composition containing a main agent containing a bisphenol A epoxy resin, a phenol novolac epoxy resin, and an acrylic rubber, a curing agent containing xylylenediamine and its derivative, and a filler. The filler is spherical silica having an average particle size of 0.5 to 20 μm, and accounts for 22 to 44% by mass of a total amount of the adhesive composition.

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Номер записи: 2
13-09-2012 дата публикации

Fiber, fiber aggregate and adhesive having the same

Номер: US20120231260A1
Автор: Deok Hoon Kim, Jae Ok KIM, Kyoung Lim SUK, Kyung Wook Paik
Принадлежит: Korea Advanced Institute of Science and Technology KAIST, Micropack Co Ltd, Optopac Co Ltd

Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

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Номер записи: 3
13-09-2012 дата публикации

Fiber, fiber aggregate and adhesive having the same

Номер: US20120231689A1
Автор: Deok Hoon Kim, Jae Ok KIM, Kyoung Lim SUK, Kyung Wook Paik
Принадлежит: Korea Advanced Institute of Science and Technology KAIST, Micropack Co Ltd, Optopac Co Ltd

Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

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Номер записи: 4
07-02-2013 дата публикации

Display panel assembly and methods of making same

Номер: US20130034713A1
Автор: Audrey A. Sherman, David Scott Thompson, Patricia Tien, Robert S. Davidson, Stanley C. Busman
Принадлежит: 3M Innovative Properties Co

A display panel assembly is made by optically bonding a display panel and a substantially transparent substrate. Optical bonding is carried out by forming an optical bonding layer having regions of different physical properties.

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Номер записи: 5
28-02-2013 дата публикации

Acrylic pressure-sensitive adhesives with acylaziridine crosslinking agents

Номер: US20130053508A1
Автор: Babu N. Gaddam, Belma Erdogan-Haug, Larry R. Krepski, Maureen A. Kavanagh
Принадлежит: 3M Innovative Properties Co

A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an acylaziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.

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Номер записи: 6
14-03-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET

Номер: US20130066004A1
Автор: Kawaguchi Yasuhiko
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive sheet is made from an adhesive composition containing a carboxyl group-containing polymer having a carboxyl group, a plasticizer, and a metal oxide-containing component containing a metal oxide and/or a metal carbonate, and is obtained by allowing the adhesive composition to moisture-cure. 1. A pressure-sensitive adhesive sheet made from an adhesive composition containing a carboxyl group-containing polymer having a carboxyl group ,a plasticizer, anda metal oxide-containing component containing a metal oxide and/or a metal carbonate, andobtained by allowing the adhesive composition to moisture-cure.2. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe following gel fraction thereof is 30 mass % or more.Gel fraction: the percentage of the dry mass of the toluene-insoluble component at the time when the pressure-sensitive adhesive sheet is immersed in toluene for 24 hours with respect to the mass of the pressure-sensitive adhesive sheet before the immersion3. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe adhesive composition is obtained by humidification after being formed into sheet shape.4. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe adhesive composition is formed into a sheet shape after being prepared by a solventless process.5. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe carboxyl group is contained in the carboxyl group-containing polymer at a content ratio of 0.1 to 10 mass %.6. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe carboxyl group-containing polymer is obtained by polymerizing a monomer composition containing45 to 90 mass % of an alkyl (meth)acrylate monomer,0.1 to 10 mass % of a carboxyl group-containing vinyl monomer, and5 to 50 mass % of a cyano group-containing vinyl monomer.7. The pressure-sensitive adhesive sheet according to claim 1 , wherein the adhesive composition further contains a ...

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Номер записи: 7
25-04-2013 дата публикации

EASY-ADHESIVE FOR SOLAR CELL REAR SURFACE PROTECTION SHEET, SOLAR CELL REAR SURFACE PROTECTION SHEET, AND SOLAR CELL MODULE

Номер: US20130098441A1
Автор: Maeda Satoshi, UMEZAWA Mitsuo, Yaginuma Masaki, Yamaguchi Hiroshi, YANAGISAWA Makoto
Принадлежит:

To overcome a problem in related art and to provide an easy-adhesive having an excellent adhesive property and an excellent adhesive durability for a solar cell rear surface protection sheet, a solar cell rear surface protection sheet, and a solar cell module formed by using the solar cell rear surface protection sheet. An easy-adhesive for a solar cell rear surface protection sheet according to the present invention exhibits a specific glass transition temperature, a specific number average molecular weight, and a specific hydroxyl value Further, the easy-adhesive for a solar cell rear surface protection sheet contains a (meth)acrylic-based copolymer (A) having no (meth)acryloyl group (A), a compound having a (meth)acryloyl group, and a polyisocyanate compound (C) at a specific rate. 1. An easy-adhesive for a solar cell rear surface protection sheet , comprising:a (meth)acrylic-based copolymer (A) having a glass transition temperature of 10-60° C., a number average molecular weight of 25,000-250,000, and a hydroxyl value of 2-100 (mgKOH/g), and containing no (meth)acryloyl group;a compound containing a (meth)acryloyl group(s) (B); anda polyisocyanate compound (C), the polyisocyanate compound (C) being contained in such an amount that a number of an isocyanate group is 0.1-5 for every one hydroxyl group contained in the (meth)acrylic-based copolymer (A).2. The easy-adhesive for a solar cell rear surface protection sheet according to claim 1 , wherein the compound containing the (meth)acryloyl group(s) (B) is contained in an amount of 0.1-20 wt.pts. based on 100 wt.pts. of the (meth)acrylic-based copolymer containing no (meth)acryloyl group (A).3. The easy-adhesive for a solar cell rear surface protection sheet according to claim 1 , wherein the polyisocyanate compound (C) is a blocked polyisocyanate compound (C1).4. The easy-adhesive for a solar cell rear surface protection sheet according to claim 1 , wherein the compound containing the (meth)acryloyl group(s) (B) ...

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Номер записи: 8
02-05-2013 дата публикации

Adhesive Compositions and Methods

Номер: US20130109801A1
Автор: Coffey James Norris, Horne-Campbell Lynette Eileen, Shipley Fran A
Принадлежит:

Compositions are disclosed comprising (i) a high molecular weight base polymer, and (ii) a relatively low molecular weight ester copolymer comprising an olefin and a copolymerizable ester, wherein the ester copolymer has a pour point less than 40° C. In certain embodiments, the high molecular weight base polymer and the relatively low molecular weight ester copolymer are both selected from ethylene-based copolymers such as ethylene-vinyl acetate and ethylene-n-butyl acrylate. 1. A composition comprising:a base polymer; andan ester copolymer comprising an olefin and a copolymerizable ester, wherein the ester copolymer has a pour point less than 40° C.2. The composition of claim 1 , wherein the base polymer is a solid at 50° C.3. The composition of claim 1 , wherein the base polymer has a peak melting point greater than 50° C.4. The composition of any one of to claim 1 , wherein the base polymer has a melt index from 0.1 g/10 minutes to 3 claim 1 ,000 g/10 min.5. The composition of any one of to claim 1 , wherein the base polymer has a melt index from 0.1 g/10 minutes to 2 claim 1 ,000 g/10 min.6. The composition of any one of to claim 1 , wherein the base polymer has a melt index from 0.1 g/10 minutes to 1 claim 1 ,000 g/10 min.7. The composition of any one of the preceding claims claim 1 , wherein the base polymer comprises a first olefin and a first copolymerizable ester wherein the base polymer has a peak melting point greater than 50° C.; and wherein the ester copolymer comprises a second olefin and a second copolymerizable ester claim 1 , wherein the first and second olefins can be the same or different claim 1 , wherein the first and second copolymerizable esters can be the same or different claim 1 , and wherein the ester copolymer has a pour point less than 40° C.8. The composition of any one of the preceding claims claim 1 , wherein the viscosity at 177° C. of the composition is less than 95% of the viscosity without incorporating the ester copolymer.9. The ...

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Номер записи: 9
16-05-2013 дата публикации

ADHESIVE COMPOSITION AND METHOD FOR MANUFACTURING A LAMINATE USING THE ADHESIVE COMPOSITION

Номер: US20130118671A1
Автор: MORI Takuya, Nagatsuka Tatsuki, Okamoto Miki, Takeda Kentarou
Принадлежит: NITTO DENKO CORPORATION

Adhesive composition according to the present invention includes an adhesive base agent consisting of a monomer and a polymerization initiator. Adhesion of the adhesive composition changes to take local maximum value, minimum value and a value greater than the local maximum value along with increase of irradiation amount of the electromagnetic wave or particle beam irradiated to the adhesive composition under a predetermined temperature environment. In a method for manufacturing a laminate according to the present invention allows for easy peeling of adherends and a layer of the adhesive composition when adhesion of the adhesive composition takes the minimum value. 1. An adhesive composition which intervenes between at least two adherends and develops adhesive strength for mutually laminating the at least two adherends by irradiation of electromagnetic wave or particle beam , comprising:an adhesive base agent consisting of at least one type of monomer; andat least one type of polymerization initiator for generating polymerization of the adhesive base agent,wherein (1) the at least one type of monomer is a monofunctional (meth)acryloyl group-containing monomer having at least one of hydroxyl group, carboxyl group, cyano group, amino group, alicyclic hydrocarbon group, heterocyclic group, isocyanate group, lactone ring group or amido group and glass transition temperature after polymerization of the adhesive base agent is 50° C. or higher, (2) the at least one type of monomer is acrylonitrile, or (3) the at least one type of monomer is 2-hydroxyethylacrylate monomer, andwherein the adhesive strength changes to take a local maximum value, a local minimum value and a value greater than the local maximum value along with increase of irradiation amount of the electromagnetic wave or particle beam irradiated to the adhesive composition under a predetermined temperature environment.2. An adhesive composition which intervenes between at least two adherends and develops ...

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Номер записи: 10
16-05-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET

Номер: US20130123417A1
Автор: Nonaka Takahiro, Takarada Shou
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive sheet excellent in the resistance to clouding caused by humidification, and excellent in the level difference absorbability, in particular, in the level difference absorbability for a high level difference is provided. The pressure-sensitive adhesive sheet of the present invention is a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer includes an acrylic polymer obtained by polymerizing monomer components; the monomer components includes alkyl (meth)acrylate having a linear or branched alkyl group having 10 to 16 carbon atoms and a hydrophilic monomer; the content of the alkyl (meth)acrylate is 30% by weight or more in relation to the total amount (100% by weight) of the monomers; and the content of the hydrophilic monomer is 10% by weight or more in relation to the total amount (100% by weight) of the monomers. 1. A pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer ,wherein the pressure-sensitive adhesive layer includes an acrylic polymer obtained by polymerizing monomer components;the monomer components include an alkyl (meth)acrylate having a linear or branched alkyl group having 10 to 16 carbon atoms and a hydrophilic monomer,the content of the alkyl (meth)acrylate is 30% by weight or more in relation to the total amount (100% by weight) of the monomer components; andthe content of the hydrophilic monomer is 10% by weight or more in relation to the total amount (100% by weight) of the monomer components.2. The pressure-sensitive adhesive layer according to claim 1 , wherein the content of the acrylic polymer is 50% by weight or more.3. The pressure-sensitive adhesive sheet according to claim 1 , wherein the gel fraction of the pressure-sensitive adhesive layer is 40 to 85% by weight and the shear storage modulus at 23° C. of the pressure-sensitive adhesive layer is 1.0×10Pa.4. The pressure-sensitive adhesive sheet according to ...

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Номер записи: 11
23-05-2013 дата публикации

Adhesive polarization plate, image display and methods for manufacturing adhesive polarization plate and image display

Номер: US20130126085A1
Автор: Kentarou Takeda, Kouzou Nakamura, Mitsuru Suzuki, Shouji Yamamoto, Yuu Sugimoto
Принадлежит: Nitto Denko Corp

A method for manufacturing an image display, includes: preparing a roll of a long sheet of a pressure-sensitive adhesive polarizing plate comprising a polarizer (P), a transparent protective film (E) provided on only one side of the polarizer (P) with an adhesive layer (G) interposed therebetween, and a pressure-sensitive adhesive layer (B) provided on another side of the polarizer (P) with a protective layer (H) having a tensile modulus of 100 MPa or more interposed therebetween; cutting the pressure-sensitive adhesive polarizing plate into a predetermined size, while feeding the sheet from the roll; and bonding the pressure-sensitive adhesive polarizing plate to an optical display unit with the pressure-sensitive adhesive layer (B) interposed therebetween after the cutting step.

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Номер записи: 12
30-05-2013 дата публикации

OPTICAL ASSEMBLIES INCLUDING STRESS-RELIEVING OPTICAL ADHESIVES AND METHODS OF MAKING SAME

Номер: US20130136874A1
Автор: Busman Stanley C., Everaerts Albert I., Pillalamarri Sunil K., Xia Jianhui
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

An optical assembly is provided that includes a display panel, a substantially transparent substrate and an adhesive composition. The adhesive composition includes the reaction product of a miscible blend that includes one or more (meth)acrylate monomer, one or more multifunctional (meth)acrylate oligomer and one or more free-radical generating photoinitiator. The one or more multifunctional (meth)acrylic oligomer includes an acrylic oligomer derived from (meth)acrylate monomers that is not substantially bonded to the adhesive composition after it has been cured by exposure to actinic radiation. Also provide is a method of making the optical assembly and a tape that includes a backing and the provided adhesive composition that has been cured. 2. An optical display assembly according to claim 1 , wherein the reaction product of the miscible blend comprises a photo-reaction product.3. (canceled)4. An optical display assembly according to claim 1 , wherein the miscible blend comprises:a) from about 60 parts to about 5 parts of a mixture of one or more acrylic oligomers;b) from about 40 parts to about 95 parts of a mixture of one or more monofunctional (meth)acrylate monomers; andc) from about 0.01 parts to about 1.0 part of one or more free-radical generating initiators based upon 100 parts of components a) and b).5. The optical assembly according to further comprising a multifunctional acrylate or vinyl crosslinker.67-. (canceled)8. The optical assembly according to claim 4 , wherein the mixture of one or more acrylic oligomers comprises an acrylic polyol.9. An optical assembly according to claim 4 , wherein the mixture of one or more (meth)acrylate monomers comprises at least one alkyl(meth)acrylate ester.10. (canceled)11. An optical assembly according to claim 1 , wherein the display panel is selected from a liquid crystal display claim 1 , a plasma display claim 1 , a light-emitting diode (LED) display claim 1 , an electrophoretic display claim 1 , and a cathode ...

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Номер записи: 13
20-06-2013 дата публикации

REMOVAL PRESSURE SENSITIVE ADHESIVE OF AQUEOUS EMULSION AND METHOD FOR PREPARING THE SAME

Номер: US20130157050A1
Автор: Ha Jae-Woung, KIM Young-Min, Lee Kum-Hyung, Song Kong-Ju
Принадлежит: LG CHEM, LTD.

Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same. 2. The adhesive according to claim 1 , wherein the (meth)acrylic acid ester monomer having an alkyl group having 1 to 14 carbon atoms (A)i) is at least one selected from the group consisting of methyl (meth)acrylate claim 1 , ethyl (meth)acrylate claim 1 , propyl (meth)acrylate claim 1 , isopropyl (meth)acrylate claim 1 , butyl (meth)acrylate claim 1 , t-butyl (meth)acrylate claim 1 , 2-ethylhexyl (meth)acrylate claim 1 , octyl (meth)acrylate claim 1 , and lauryl (meth)acrylate claim 1 ,the monomer having a carboxyl group (A)ii) is at least one selected from the group consisting of anhydrous maleic acid, fumaric acid, crotonic acid, itaconic acid, acrylic acid and methacrylic acid, andthe monomer having a hydroxyl group (A)ii) is at least one selected from the group consisting of hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, hydroxybutyl (meth)acrylate, hydroxyhexyl (meth)acrylate, hydroxyoctyl (meth)acrylate, hydroxylauryl (meth)acrylate, and hydroxypropyl glycol (meth)acrylate.3. The adhesive according to claim 1 , wherein the rubber based resin (C) is at least one selected from the group consisting of styrene-butadiene rubbers (SBR) claim 1 , butadiene rubbers (BR) claim 1 , acrylonitrile-butadiene rubbers (NBR) claim 1 , chloroprene rubbers (CR) claim 1 , isoprene rubbers (IR) claim 1 , isobutylene-isoprene rubbers (IIR) claim 1 , ethylene-propylene rubbers (EPR) claim 1 , and ethylene ...

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Номер записи: 14
27-06-2013 дата публикации

ADHESIVE COMPOSITION FOR POLARIZING PLATE AND POLARIZING PLATE AND OPTICAL MEMBER INCLUDING ADHESIVE LAYER FORMED USING THE SAME

Номер: US20130165561A1
Автор: Chung Hae Ryong, JEONG Chul, JUNG Ri Ra, Kim Won, KIM Yi Eun
Принадлежит:

A polarizing plate and an optical member, the polarizing plate including an adhesive layer, the adhesive layer being prepared from an adhesive composition including a (meth)acrylic copolymer, a crosslinking agent, and a tackifier, the tackifier including an acrylic modified petroleum resin represented by Formula 1: 1. A polarizing plate comprising an adhesive layer , the adhesive layer being prepared from an adhesive composition including:a (meth)acrylic copolymer,a crosslinking agent, and {'br': None, 'R′—CO—O—R\u2003\u2003[Formula 1]'}, 'a tackifier, the tackifier including an acrylic modified petroleum resin represented by Formula 1{'sub': 1', '20', '6', '50, 'wherein R′ is a petroleum resin and R is a C-Calkyl group or a C-Caryl group.'}3. The polarizing plate as claimed in claim 2 , wherein each of Rto Rin Formula 2 is hydrogen and n is 0.4. The polarizing plate as claimed in claim 1 , wherein the acrylic modified petroleum resin has a softening point of about 50° C. to about 150° C.5. The polarizing plate as claimed in claim 1 , wherein the acrylic modified petroleum resin is present in the adhesive composition in an amount of about 0.1 to about 10 parts by weight claim 1 , based on 100 parts by weight of the (meth)acrylic copolymer.6. The polarizing plate as claimed in claim 1 , wherein the (meth)acrylic copolymer is a copolymer of a monomer mixture including a (meth)acrylic monomer having a hydroxyl group.7. The polarizing plate as claimed in claim 1 , wherein the (meth)acrylic copolymer is a copolymer of a monomer mixture including a vinyl monomer having a hydroxyl group and a vinyl monomer having a carboxylic acid group.8. The polarizing plate as claimed in claim 7 , wherein the monomer mixture includes:at least about 0.5 wt % of the vinyl monomer having a hydroxyl group, andat least about 0.1 wt % of the vinyl monomer having a carboxylic acid group.9. The polarizing plate as claimed in claim 1 , wherein:the (meth)acrylic copolymer is a copolymer of a ...

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Номер записи: 15
11-07-2013 дата публикации

PHOTOCURABLE DICING DIE BONDING TAPE

Номер: US20130178585A1
Автор: Becker Kevin Harris, Chiang Pauline, LEE Byoungchul
Принадлежит: Henkel Corporation

A pressure sensitive adhesive comprising (A) pressure sensitive adhesive polymers having pendant carbon-carbon unsaturation and (B) hydrophobic polymers terminated with carbon-carbon unsaturation. In one embodiment the hydrophobic polymers are vinyl terminated polydimethoxyl siloxane polymers and/or vinyl terminated fluoropolymers reduces the interaction of the pressure sensitive adhesive with adherends and provides excellent release of the pressure sensitive adhesive after cure. 1. A pressure sensitive adhesive composition comprising:(A) pressure sensitive adhesive polymers having pendant carbon-carbon unsaturation, and(B) hydrophobic polymers terminated with carbon-carbon unsaturation.2. The pressure sensitive adhesive composition of in which the pressure sensitive adhesive polymers (A) have a polyethylenic backbone and at least one pendant acryloyl urethane group.3. The pressure sensitive adhesive composition of in which the hydrophobic polymers (B) are vinyl terminated siloxane polymers and/or vinyl terminated fluoropolymers.4. The pressure sensitive adhesive composition of further comprising a polyisocyanate in an amount effective to partially crosslink the (A) and (B) polymers of the composition.5. The pressure sensitive adhesive composition of in which the polyisocyanate is selected from the group consisting of diisophorone claim 4 , toluene diisocyanate claim 4 , diphenylmethane diisocyanate claim 4 , and 1 claim 4 ,5-naphthalene diisocyanate. This invention relates to a photocurable pressure sensitive adhesive coated on a polyolefin base film that is used in the manufacture of semiconductor devices.A semiconductor wafer, such as one prepared from silicon or gallium arsenide, is initially manufactured in a size larger than is used for the individual semiconductors. The wafer is typically thinned by grinding, and cut into small individual semiconductor dies, which are then transferred and adhered to the desired substrates. To support the wafer during these ...

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Номер записи: 16
18-07-2013 дата публикации

Highly Tackified, Hot Melt Processable, Acrylate Pressure Sensitive Adhesives

Номер: US20130184394A1
Автор: Ellis Mark F., Fong Nathan B., Hamer Craig E., Jacobsen John R., Lehmann Megan P., Satrijo Andrew
Принадлежит:

The methods of preparing hot melt processable pressure sensitive adhesives include combining an elastomeric (meth)acrylate random copolymer contained within a thermoplastic pouch and greater than 50 parts by weight per 100 parts by weight of hot melt processable elastomeric (meth)acrylate random co-polymer of at least one tackifying resin in a hot melt mixing apparatus, and mixing to form a hot melt processable pressure sensitive adhesive. The elastomeric (meth)acrylate random copolymer may contain branching agents and photosensitive crosslinking agents. The hot melt processable pressure sensitive adhesives can be used to prepare transfer tapes. 1. A method of preparing an adhesive comprising:providing a hot melt mixing apparatus;providing a hot melt processable elastomeric (meth)acrylate random co-polymer contained within a thermoplastic pouch, wherein the (meth)acrylate random co-polymer comprises at least 10 wt % of the adhesive formulation;providing greater than 50 parts by weight per 100 parts by weight of hot melt processable elastomeric (meth)acrylate random co-polymer of at least one tackifying resin;mixing the hot melt processable elastomeric (meth)acrylate random co-polymer and the tackifying resin in the hot melt mixing apparatus to form a hot melt blend; andremoving the hot melt blend from the hot melt mixing apparatus to form a hot melt processable pressure sensitive adhesive.2. The method of claim 1 , wherein the hot melt mixing apparatus comprises an extruder.3. The method of claim 1 , wherein the at least one tackifying resin comprises a mixture of two tackifying resins claim 1 , wherein one of the tackifying resins comprises a high Tg tackifying resin with a glass transition temperature of at least 20° C. claim 1 , and the other comprises a low Tg tackifying resin with a glass transition temperature of no greater than 0° C.4. The method of claim 1 , wherein the hot melt processable elastomeric (meth)acrylate random co-polymer comprises a copolymer ...

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Номер записи: 17
25-07-2013 дата публикации

FOAMED ADHESIVE

Номер: US20130186551A1
Автор: HENRY Christophe, Pedrollo Thomas
Принадлежит: Zephyros, Inc.

A foamable adhesive system is provided which can achieve necessary adhesion to an oily surface and which is not tacky to the touch once applied to the surface and has a melt viscosity in the bake phase high enough to retain its shape and adhesion to the substrate and in addition a melt viscosity sufficiently high to retain gas bubbles formed by the decomposition of the blowing agent and which also retains its shape and structure once formed by use of a polymer system containing a thixotropic filler and a two compartment (component) cross linking system. 1. A hot melt adhesive formulation comprising(i) one or more solid polymers;(ii) a thixotropic filler;(iii) a blowing agent system; and(iv) a cross linking system comprising:a first cross linking agent having an activation temperature within a bake phase temperature range to increase the melt viscosity of the adhesive to control the viscosity of the melted formulation at a temperature below an activation temperature of the blowing agent system and a second cross linking agent with an activation temperature within the range of a foaming temperature.2. A formulation according to in which the first cross linking agent has an activation temperature in the range 80° C. to 150° C.3. A formulation according to claim 1 , wherein the second cross linking agent has an activation temperature in the range of 130° C. to 220° C.4. A formulation according to claim 1 , wherein the one or more solid polymers are copolymers of ethylene and unsaturated esters such as vinyl esters and alkyl acrylates.5. A formulation according to claim 1 , wherein the one or more solid polymers comprises one or more of:(i) ethylene vinyl acetate copolymers;(ii) ethylene methyl acrylate copolymers;(iii) ethylene butyl acrylate copolymers;(iv) ethylene 2 hexylethyl acrylate copolymers;(v) polyamide polymers;(vi) glycidyl methacrylate, acrylic ester, ethylene copolymers;(vii) carboxylated ethylene methyl copolymers;(viii) carboxylated ethylene butyl ...

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Номер записи: 18
08-08-2013 дата публикации

HIGH PERFORMANCE WATER-BASED TACKIFIED ACRYLIC PRESSURE SENSITIVE ADHESIVES

Номер: US20130202885A1
Автор: Dodge Robert G., Severyns Kurt
Принадлежит: HONEYWELL INTERNATIONAL INC.

A pressure-sensitive adhesion composition comprising: a first polymer that is acrylate polymer or copolymer comprising polymerized monomers selected from the group consisting of acrylic acid, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, octyl acrylate, styrene, vinyl acetate and combinations thereof; and b) a second polymer selected from the group consisting of ethylene-acrylic acid copolymer, oxidized polyethylene, oxidized ethylene-vinyl acetate copolymer, maleated polyolefin and combinations thereof; wherein the composition is water-based and adapted for pressure-sensitive adhesion to substrates. The adhesion composition may also comprise a tackifier resin selected from the group consisting of rosin ester resin, rosin acid resin, synthetic hydrocarbon resin, synthetic terpenic resin and combinations thereof. An article of manufacture comprising a support member and a pressure-sensitive adhesion layer attached thereto that comprises said pressure-sensitive adhesion composition. A process of forming a pressure-sensitive adhesive article of manufacture. 1. A pressure-sensitive adhesion composition comprising: a) a first polymer that is acrylate polymer or copolymer comprising polymerized monomers selected from the group consisting of acrylic acid , butyl acrylate , 2-ethylhexyl acrylate , methyl methacrylate , octyl acrylate , styrene , vinyl acetate and combinations thereof; and b) a second polymer selected from the group consisting of ethylene-acrylic acid copolymer , oxidized polyethylene , oxidized ethylene-vinyl acetate copolymer , maleated polyolefin and combinations thereof; wherein the composition is water-based and adapted for pressure-sensitive adhesion to substrates.2. The composition of claim 1 , further comprising a tackifier resin selected from the group consisting of rosin ester resin claim 1 , rosin acid resin claim 1 , synthetic hydrocarbon resin claim 1 , synthetic terpenic resin and combinations thereof.3. The composition of claim 2 ...

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Номер записи: 19
22-08-2013 дата публикации

ABSORBENT ARTICLE HAVING PAD CONFIGURATION

Номер: US20130218115A1
Автор: Ichikawa Makoto, Katsuragawa Kunihiko, Sasayama Kenichi
Принадлежит: Unicharm Corporation

An absorbent article having a pad configuration, including superabsorbent polymer particles. Superabsorbent polymer particles are interposed between opposed surfaces of first and second layers overlapping with each other to form an absorbent article. The article includes an absorbing region and a sealing region. In the absorbing region, the superabsorbent polymer particles are bonded to the second layer with a hot melt adhesive. In the sealing region, the first layer and the second layer are joined to each other to surround the absorbing region. 1. An absorbent article having a pad configuration , including a first layer , a second layer , superabsorbent polymer particles interposed between the first and second layers of which at least one is water-permeable , wherein:at least one of opposed surfaces of the first and second layers in the article is formed with absorbing regions coated with a hot melt adhesive for fixation of the superabsorbent polymer particles and a sealing region coated with a hot melt adhesive for sealing and surrounding the absorbing regions;each of the absorbing regions defines an existence region in which a required mass per unit area of the superabsorbent polymer particles bonded to the at least one of the opposed surfaces of the first and second layers with the hot melt adhesive for fixation of the superabsorbent polymer particles exists; andthe sealing region defines a non-existence region in which the opposed surfaces of the first and second layers are joined to each other with the hot melt adhesive for sealing and an amount of the superabsorbent polymer particles corresponding to the required mass per unit area of the superabsorbent polymer particles in the absorbing region does not exist.2. The article according to claim 1 , wherein claim 1 , in the existence region in which the required mass per unit area of the superabsorbent polymer particles exists claim 1 , the superabsorbent polymer particles are fixed thereto with a mass per unit ...

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Номер записи: 20
29-08-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER, AND PRESSURE-SENSITIVE ADHESIVE SHEET

Номер: US20130225740A1
Автор: ANDO Masahiko, ISEKI Toru, JO Souya, SASAKI Shogo
Принадлежит: NITTO DENKO CORPORATION

The present invention provides a pressure-sensitive adhesive composition comprising: an acrylic polymer (A) having a polyoxyalkylene chain in a side chain and a polyoxyalkylene oligomer (B), wherein a content of the polyoxyalkylene oligomer (B) is 5 to 150 parts by weight with respect to 100 parts by weight of the acrylic polymer (A), a pressure-sensitive adhesive layer comprising the pressure-sensitive adhesive composition, and a pressure-sensitive adhesive sheet comprising a backing and the pressure-sensitive adhesive layer. 1. A pressure-sensitive adhesive composition , comprising:an acrylic polymer (A) having a polyoxyalkylene chain in a side chain; anda polyoxyalkylene oligomer (B),wherein a content of the polyoxyalkylene oligomer (B) is 5 to 150 parts by weight with respect to 100 parts by weight of the acrylic polymer (A).2. A pressure-sensitive adhesive composition according to claim 1 , wherein the acrylic polymer (A) has a polyoxypropylene chain as the polyoxyalkylene chain.3. A pressure-sensitive adhesive composition according to claim 1 , wherein the acrylic polymer (A) has a polyoxyalkylene alkyl ether chain as the polyoxyalkylene chain.4. A pressure-sensitive adhesive composition according to claim 1 , wherein the acrylic polymer (A) has a polyoxyalkylene chain having an addition molar number of oxyalkylene units of 3 or more.5. A pressure-sensitive adhesive composition according to claim 1 , wherein the acrylic polymer (A) has at least one of a trioxypropylene monomethyl ether chain and a hexaoxypropylene monomethyl ether chain as the polyoxyalkylene chain.6. A pressure-sensitive adhesive composition according to claim 1 , wherein: the acrylic polymer (A) comprises claim 1 , as a monomer component claim 1 , a monomer having a polyoxyalkylene chain; and a content of the monomer having a polyoxyalkylene chain is 3 to 78 wt % with respect to a total weight of all monomer components.7. A pressure-sensitive adhesive composition according to claim 1 , ...

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Номер записи: 21
12-09-2013 дата публикации

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

Номер: US20130236672A1
Автор: Cha Hyung-Min, Kim Jang-Soon, Kim Seong-Jin, Kim Woong-Gi, Lee Won-Yup, Park Eun-Kyung, Song Min-Seok
Принадлежит: LG HAUSYS, LTD

The present invention relates to an adhesive composition for a touch panel, an adhesive film, and a touch panel. The adhesive composition for the touch panel of the present invention is applied to the touch panel, for example, to an electrostatic capacitance-type touch panel, for hiding the pattern of a conductive layer even when being coupled to the conductive layer formed with the pattern. Also, the adhesive composition of the present invention can prevent yellowing and whitening. 1. An adhesive composition for a touch panel comprising a partially polymerized acrylic resin; a multifunctional crosslinking agent; and urethane acrylate and satisfying Equation 1:{'br': None, 'sup': '2', 'X=20 kg/in\u2003\u2003[Equation 1]'}wherein X is the high-temperature shear strength of an adhesive that is a cured product of the adhesive composition, measured on a sample at a crosshead speed of 5 mm/min, the sample being prepared as follows: one side of the adhesive is attached to a first substrate and the other side thereof is attached to a second substrate, followed by storage at 100° C. for 1 hour.2. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or higher.3. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a degree of polymerization of 5 to 60%.4. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.6. The adhesive composition according to claim 4 , wherein the crosslinking monomer comprises a hydroxyl group containing monomer claim 4 , a carboxylic group containing monomer claim 4 , or a nitrogen containing monomer.7. The adhesive ...

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Номер записи: 22
12-09-2013 дата публикации

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

Номер: US20130236674A1
Автор: Cha Hyung-Min, Kim Jang-Soon, Kim Seong-Jin, Kim Woong-Gi, Lee Won-Yup, Park Eun-Kyung, Song Min-Seok
Принадлежит: LG HAUSYS, LTD.

The present invention relates to an adhesive composition for a touch panel, an adhesive film, and a touch panel. When coupled to the touch panel, for example, to a conductive layer and to a hard coating surface of an electrostatic capacitive touch panel, the present invention has superior durability, such as resistance to peeling, detaching, or air bubbles under high-temperature and high-humidity conditions, and can provide an adhesive composition or adhesive agent also having superior workability, wettability, and adhesion to various objects to be adhered. 1. An adhesive composition for a touch panel comprising:a partially polymerized acrylic resin;a multifunctional crosslinking agent; andan epoxy silane coupling agent.2. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or higher.3. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a degree of polymerization of 5 to 60%.4. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.6. The adhesive composition according to claim 4 , wherein the crosslinking monomer comprises a hydroxyl group containing monomer claim 4 , a carboxylic group containing monomer claim 4 , or a nitrogen containing monomer.7. The adhesive composition according to claim 1 , wherein the multifunctional crosslinking agent comprises multifunctional (meth)acrylates.8. The adhesive composition according to claim 7 , wherein the multifunctional (meth)acrylates comprise at least one selected from the group consisting of hexanediol di(meth)acrylate claim 7 , trimethylolpropanetrioxyethyl di(meth)acrylate claim 7 ...

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Номер записи: 23
26-09-2013 дата публикации

ADHESIVE LAYER FOR OPTICAL FILM, OPTICAL FILM HAVING ADHESIVE LAYER, IMAGE DISPLAY DEVICE, AND DETACHMENT METHOD FOR OPTICAL FILM

Номер: US20130248118A1
Автор: Hosokawa Toshitsugu, Inui Kunihiro, Ishii Takaaki, Makihata Yousuke, Okada Kenichi, Satake Masayuki, Shimokuri Taiki, Takahashi Toshitaka
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive layer for an optical film made from an aqueous dispersion-type pressure-sensitive adhesive composition, wherein the aqueous dispersion-type pressure-sensitive adhesive composition is an aqueous dispersion comprising a water-dispersible (meth)acryl-based copolymer (A) having a glass transition temperature from −55° C. to less than 0° C.; and a water-soluble or water-dispersible component (B) having a glass transition temperature of 0° C. or more, a mixture ratio (A)/(B) is in the range of 50-97/3-50, the component (B) forms domains with maximum lengths between 1 nm and 200 nm in a resin component made of the (meth)acryl-based copolymer (A), and the pressure-sensitive adhesive layer has a haze value (H20) of 1% or less when having a thickness of 20 μm. The pressure-sensitive adhesive layer for an optical film, which is made from an aqueous dispersion-type pressure-sensitive adhesive composition has good reworkability or recyclability, and has a sufficient level of durability. 1. A pressure-sensitive adhesive layer for an optical film made from an aqueous dispersion-type pressure-sensitive adhesive composition , whereinthe aqueous dispersion-type pressure-sensitive adhesive composition is an aqueous dispersion comprising a water-dispersible (meth)acryl-based copolymer (A) containing an alkyl(meth)acrylate and a carboxyl group-containing monomer as monomer units and having a glass transition temperature from −55° C. to less than 0° C. (wherein the glass transition temperature is calculated based on monofunctional monomers for monomer units); and a water-soluble or water-dispersible component (B) having a glass transition temperature of 0° C. or more,a difference of the glass transition temperatures between the (meth)acryl-based copolymer (A) and the component (B) is 50° C. or more,a mixture ratio (A)/(B) (on a solid weight basis) of the (meth)acryl-based copolymer (A) and the component (B) is in the range of 50-97/3-50,the component (B) ...

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Номер записи: 24
26-09-2013 дата публикации

Activatable Adhesive, Labels, and Related Methods

Номер: US20130251944A1
Автор: Bharadwaj Rishikesh K., Edwards David N., Hseih Dong-Tsai, Kian Kourosh, LEE Souphong, Lenkl Johannes, Li Kai, Mallya Prakash
Принадлежит: AVERY DENNISON CORPORATION

An activatable adhesive that is formulated to readily absorb energy from a given radiation source, an activatable adhesive label that incorporates such an activatable adhesive, a system for activating such labels, and related methods and uses are described. The activatable adhesive includes a plasticizer, a tackifier, and an adhesive base polymer that includes butyl acrylate, styrene, methyl methacrylate, methacrylic acid, and acrylic acid. 1. A label assembly comprising a facestock layer and a heat activatable adhesive layer , and a functional coating layer disposed between the adhesive layer and the facestock layer.2. The label assembly of wherein the facestock layer includes paper or a polymeric film claim 1 , and the functional coating layer includes at least one of a barrier material claim 1 , a primer material claim 1 , and a reflective material.344-. (canceled)45. A label comprising:a facestock layer; and i. an adhesive base polymer including butyl acrylate, styrene, methyl methacrylate, methacrylic acid, acrylic acid, at least one multifunctional monomer, and at least one chain transfer agent,', 'ii. a plasticizer, and', 'iii. a tackifier., 'an adhesive layer that is coupled to the facestock layer and includes4669-. (canceled)70. A label comprising:a facestock layer;an adhesive layer; anda reflective layer that is coupled between the facestock layer and the adhesive layer.7188-. (canceled)89. A label comprising:a facestock layer defining an outer face and an oppositely directed inner face;an adhesive layer disposed on the inner face, wherein the adhesive exhibits an activation time of less than 1 second, exhibits an open time of at least 30 seconds and exhibits an initial tack to a substrate of at least 1.0 Newton.90135-. (canceled)136. Use of the label assembly of in a printer.137151-. (canceled)152. The label according to claim 45 , wherein:the label is configured to be exposed to a radiant energy;the radiant energy has a wavelength and an intensity that ...

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Номер записи: 25
03-10-2013 дата публикации

ELASTIC METHACRYLATE COMPOSITIONS

Номер: US20130261247A1
Автор: Briggs Paul C., Osae Samuel B.
Принадлежит: IPS CORPORATION

A two-part adhesive composition exhibiting improved elasticity wherein its composition includes one or more acrylate or methacrylate ester monomers, a sulfur bearing compound, preferably a sulfonyl chloride, an amine promoter, preferably, an amine aldehyde reaction product, and a thermoplastic block copolymer component selected from the group consisting of 120-. (canceled)21. A two-part adhesive composition component A and component B capable of being mixed in a 1:1 ratio to form elastic or ductile adhesives , whereincomponent A comprises one or more methacrylate or acrylate ester monomers, and a sulfur bearing compound, selected from the group consisting of chlorosulfonated polyethylene, sulfonyl chloride and sulfimides, andcomponent B comprises one or more acrylate or methacrylate ester monomers and an amine promoter selected from the group consisting of tertiary aromatic amines and amine-aldehyde promoters, a. a linear styrene-butadiene-styrene block copolymer,', 'b. a linear styrene-isoprene-styrene block copolymer,', 'c. a linear styrene-butadiene-isoprene-styrene block copolymer,', 'and mixtures thereof,, 'wherein either component A or component B or both further comprise a thermoplastic block copolymer component selected from the group consisting of'}and an adhesion promoting polymer.22. The two-part adhesive composition of wherein the one or more acrylate or methacrylate ester monomers are selected from the group consisting of methyl methacrylate monomers claim 21 , and higher molecular weight acrylate and methacrylate monomers claim 21 , wherein the alcohol portion of the monomer is based on a Cor higher hydrocarbon moiety and mixtures thereof.23. The two-part adhesive composition of wherein the sulfur bearing compound is selected from the group consisting of sulfonyl chloride and sulfimide.24. The two-part adhesive composition of wherein the thermoplastic block polymer component of further comprises an adhesion promoting polymer.25. The two-part adhesive ...

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Номер записи: 26
10-10-2013 дата публикации

ACTIVE RAY CURABLE COMPOSITION, ACTIVE RAY CURABLE INK COMPOSITION FOR INKJET PRINTING, ACTIVE RAY CURABLE ADHESIVE COMPOSITION, AND METHOD FOR STABILIZING ACTIVE RAY CURABLE COMPOSITION

Номер: US20130267625A1
Автор: Arimitsu Koji, Kimura Okitoshi, NOGUCHI Soh
Принадлежит:

An active ray curable composition, including: a photobase generator; a polymerizable compound; and an acid, wherein the photobase generator is a salt of a carboxylic acid and a basic compound, wherein a ratio by mole of a carboxyl group of the carboxylic acid:a basic functional group of the basic compound is 1:1, and wherein the acid is an acid that loses a function thereof as acid by light or heat. 1. An active ray curable composition , comprising:a photobase generator;a polymerizable compound; andan acid,wherein the photobase generator is a salt of a carboxylic acid and a basic compound,wherein a ratio by mole of a carboxyl group of the carboxylic acid a basic functional group of the basic compound is 1:1, andwherein the acid is an acid that loses a function thereof as acid by light or heat.2. The active ray curable composition according to claim 1 ,wherein the acid is a carboxylic acid that is decarboxylated by light or heat.4. The active ray curable composition according to claim 1 ,wherein the basic compound is an amine derivative, an amidine derivative, a guanidine derivative, a polyphosphazene derivative, or any combination thereof.5. The active ray curable composition according to claim 1 ,wherein the polymerizable compound is (meth)acrylate, acrylamide, or both thereof.6. The active ray curable composition according to claim 1 , further comprising a photoradical polymerization initiator.7. An active ray curable ink composition for inkjet printing claim 1 , comprising:an active ray curable composition,wherein the active ray curable composition comprises:a photobase generator;a polymerizable compound; andan acid,wherein the photobase generator is a salt of a carboxylic acid and a basic compound,wherein a ratio by mole of a carboxyl group of the carboxylic acid a basic functional group of the basic compound is 1:1, andwherein the acid is an acid that loses a function thereof as acid by light or heat.8. An active ray curable adhesive composition claim 1 , ...

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Номер записи: 27
17-10-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Номер: US20130274361A1
Автор: HIGUCHI Naoaki, INOKUCHI Shinji, OGAWA Takuma, YAMANAKA Eiji
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive sheet according to an embodiment of the present invention has a pressure-sensitive adhesive layer including an acrylic polymer. This acrylic polymer contains, as monomer components, an acrylic monomer not containing a polar group (A) and a polar group-containing monomer (B). The 100% modulus of this pressure-sensitive adhesive layer is 20 to 200 N/cm. 1. A pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer including an acrylic polymer , whereinthe acrylic polymer contains, as monomer components, an acrylic monomer not containing a polar group (A) and a polar group-containing monomer (B), and wherein{'sup': '2', '100% modulus of the pressure-sensitive adhesive layer is 20 to 200 N/cm.'}2. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe content of the polar group-containing monomer (B) is 5 parts by mass or more, based on 100 parts by mass of the whole monomer components for forming the acrylic polymer.3. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe polar group-containing monomer (B) is a carboxyl group-containing monomer.4. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe pressure-sensitive adhesive layer contains a fine particle.5. The pressure-sensitive adhesive sheet according to claim 4 , whereinthe content of the fine particle is 5 parts by mass or more, based on 100 parts by mass of the whole monomer components for forming the acrylic polymer.6. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe content of a bubble in the pressure-sensitive adhesive layer is 10% by volume or less, based on the whole volume of the pressure-sensitive adhesive layer.7. A pressure-sensitive adhesive composition including an acrylic polymer claim 1 , whereinthe acrylic polymer contains, as monomer components, an acrylic monomer not containing a polar group (A) and a polar group-containing monomer (B), and wherein{'sup': '2', 'when ...

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Номер записи: 28
31-10-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR USE ON AN OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER, PRESSURE-SENSITIVE ADHESIVE LAYER-CARRYING OPTICAL FILM, AND IMAGE DISPLAY DEVICE

Номер: US20130288048A1
Автор: Goto Shusaku, Kamijo Takashi, Kimura Tomoyuki, Kitagawa Takeharu, Miyatake Minoru, Mori Tomohiro, Satake Masayuki, Toyama Yuusuke, Yasui Atsushi
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, 0.1 to 20% by weight of a hydroxyl group-containing monomer, and 0 to 4% by weight of a carboxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less. 1. A pressure-sensitive adhesive composition for use on an optical film , comprising:a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% o by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, 0.1 to 20% by weight of a hydroxyl group-containing monomer, and 0 to 4% by weight of a carboxyl group-containing monomer, the (meth)acryl-based polymer having a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography; anda solvent, whereinthe content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less.2. The pressure-sensitive adhesive composition for use on an optical film according to claim 1 , wherein the aromatic ring-containing polymerizable monomer is benzyl(meth)acrylate.3. The pressure-sensitive adhesive composition for use on an optical film according to claim 1 , wherein the hydroxyl group-containing monomer is 4-hydroxybutyl acrylate.4. The pressure-sensitive adhesive composition for use on an optical film according to claim 1 , further comprising 0.02 to 2 parts by weight of a radical generating agent based on 100 parts by weight of the (meth)acryl-based polymer.5. The pressure-sensitive adhesive ...

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Номер записи: 29
07-11-2013 дата публикации

ADHESIVE COMPOSITION FOR POLARIZING PLATE AND POLARIZING PLATE PREPARED USING THE SAME

Номер: US20130295383A1
Автор: Jeong Eun Hwan, Kim Won, KIM Yi Eun
Принадлежит:

An adhesive composition and a polarizing plate, the adhesive composition including an isocyanate curing agent and having a creeping distance decrease rate of 10% or less, wherein the creeping distance decrease rate is calculated by Equation 1: 1. An adhesive composition comprising an isocyanate curing agent and having a creeping distance decrease rate of 10% or less , wherein the creeping distance decrease rate is calculated by Equation 1:{'br': None, 'i': A−B', 'A|×, 'Creeping distance decrease rate (%)=|()/100, \u2003\u2003[Equation 1]'}wherein, in Equation 1, A and B are creeping distances of an adhesive layer prepared from the composition, when a force of 2.25 kg is applied to a polarizing plate at 25° C. for 1,000 seconds after the polarizing plate formed with the adhesive layer is attached to a glass plate and left at 35° C. and 45% RH for 24 hours and for 36 hours, respectively.3. The adhesive composition as claimed in claim 1 , wherein the adhesive composition has a gel fraction of 70% or higher in 36 hours after formation of the adhesive layer on a film.4. The adhesive composition as claimed in claim 1 , wherein the adhesive composition has a viscosity change rate (Δη) of less than 10% claim 1 , expressed as Equation 3:{'br': None, 'i': b−a', 'a×, 'Δη=|()|/100, \u2003\u2003[Equation 3]'}wherein, in Equation 3, a is an initial viscosity of the adhesive composition, and b is a viscosity of the adhesive composition after storage at 25° C. for 2 days.5. An adhesive composition comprising an isocyanate curing agent and having a difference in gel fraction of greater than 0 and less than 5% between gel fraction measured 4 days after formation of an adhesive layer and gel fraction measured 1 day after formation of the adhesive layer claim 1 , {'br': None, 'i': 'D/C×', 'Gel fraction (%)=100, \u2003\u2003[Equation 2]'}, 'wherein the gel fraction is expressed as Equation 2wherein, in Equation 2, C is a weight of the adhesive composition after storing a predetermined ...

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Номер записи: 30
05-12-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL USE

Номер: US20130323437A1
Автор: Banba Tomohide, FUMOTO Hiroaki, KISHIOKA Hiroaki, NATSUI Masatomo, Nonaka Takahiro, Suzuki Takashi, Takarada Shou
Принадлежит: NITTO DENKO CORPORATION

Provided is a pressure-sensitive adhesive sheet for optical use which less suffers from a misoperation-causing change in capacitance upon application to an optical member. 1. A pressure-sensitive adhesive sheet for optical use comprising a pressure-sensitive adhesive layer , the pressure-sensitive adhesive sheet having a dielectric constant (relative) of from 2 to 8 at a frequency of 1 MHz and a dielectric loss tangent of more than 0 and 0.2 or less at a frequency of 1 MHz ,wherein the pressure-sensitive adhesive layer is an acrylic pressure-sensitive adhesive layer;wherein the acrylic pressure-sensitive adhesive layer comprises, as a base polymer, an acrylic polymer derived from an acrylic monomer as an essential monomer component and a polar-group-containing monomer as a copolymerizable monomer component;wherein the essential monomer component is an alkyl (meth)acrylate alone or in combination with an alkoxyalkyl (meth)acrylate, the alkyl (meth)acrylate having a linear or branched chain alkyl group containing 1 to 4 carbon atoms;wherein the polar-group-containing monomer is at least one monomer selected from the group consisting of carboxyl-containing monomers or acid anhydrides of them, hydroxyl-containing monomers, amino-containing monomers, amido-containing monomers, and heterocycle-containing vinyl monomers.2. The pressure-sensitive adhesive sheet for optical use according to claim 1 , wherein the pressure-sensitive adhesive sheet has a dielectric constant (relative) at a frequency of 1.0×10Hz being 60% or more of a dielectric constant (relative) at a frequency of 1.0×10Hz.3. The pressure-sensitive adhesive sheet for optical use according to claim 1 , wherein the pressure-sensitive adhesive sheet has an absolute value of difference between a dielectric loss tangent at a frequency of 1.0×10Hz and a dielectric loss tangent at a frequency of 1.0×10Hz of 0.15 or less.4. The pressure-sensitive adhesive sheet for optical use according to claim 1 ,wherein the ...

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Номер записи: 31
05-12-2013 дата публикации

OPTICALLY CLEAR ADHESIVE, METHOD OF USE AND ARTICLES THEREFROM

Номер: US20130323521A1
Автор: Everaerts Albert I., Xia Jianhui
Принадлежит:

An adhesive composition includes an alkyl (meth)acrylate ester, wherein the alkyl group has 4 to 18 carbon atoms, a hydrophilic copolymerizable monomer and a free-radical generating initiator. The adhesive composition has a tan delta value of between about 0.5 and about 1.0 at a temperature of between about 25 C and about 100 C. 1. An adhesive composition comprising:an alkyl (meth)acrylate ester, wherein the alkyl group has 4 to 18 carbon atoms;a hydrophilic copolymerizable monomer; anda free-radical generating initiator;wherein the adhesive composition maintains a tan delta value of between about 0.5 and about 1.0 at a temperature of between about 25° C. and about 100° C.2. The adhesive composition of claim 1 , wherein the adhesive composition maintains a tan delta value of between about 0.6 and about 0.8 at a temperature of between about 25° C. and about 100° C.3. The adhesive composition of claim 1 , wherein the alkyl(meth)acrylate ester is selected from the group consisting of: 2-ethylhexyl acrylate (2-EHA) claim 1 , isobornyl acrylate (IBA) claim 1 , iso-octylacrylate (IOA) and butyl acrylate (BA).4. The adhesive composition of claim 1 , wherein the hydrophilic copolymerizable monomer is selected from the group consisting of: acrylic acid (AA) claim 1 , 2-hydroxyethyl acrylate (HEA) claim 1 , and hydroxypropyl acrylate (HPA) claim 1 , ethoxyethoxyethyl acrylate (V-190) claim 1 , acrylic amide (Acm) claim 1 , diacetone acrylamide claim 1 , N claim 1 ,N-dimethylacrylamide claim 1 , and N-morpholino acrylate (MoA).5. The adhesive composition of claim 1 , wherein the alkyl (meth)acrylate ester comprises a low Tg yielding alkyl (meth)acrylate ester claim 1 , wherein the low Tg alkyl (meth)acrylate ester as a homopolymer has a Tg of between about −70° C. and about 20° C.6. (canceled)7. The adhesive composition of claim 5 , wherein the alkyl (meth)acrylate ester further comprises a high Tg yielding alkyl (meth)acrylate ester claim 5 , wherein the high Tg alkyl (meth) ...

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Номер записи: 32
12-12-2013 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Номер: US20130331522A1
Автор: Chang Suk Ky, JEON Jong Rok, Yang Se Woo
Принадлежит: LG CHEM, LTD.

There is provided a pressure sensitive adhesive composition and a pressure sensitive adhesive. A pressure sensitive adhesive composition example of the present application can provide a pressure sensitive adhesive having, for example, a high shear resistance together with an excellent peeling property or tacking property with respect to an attachment target surface. 1. A pressure sensitive adhesive composition comprising:an adhesive acryl polymer containing a hydroxyl group or a carboxyl group; anda polyphenolic compound in an amount of 0.1 parts by weight to 20 parts by weight relative to 100 parts by weight of the acryl polymer.2. The pressure sensitive adhesive composition of claim 1 , wherein the pressure sensitive adhesive composition satisfies General Formula 1 or 2:{'br': None, 'i': X', '/X', '=ΔX, '95%≧(21)×100\u2003\u2003[General Formula 1]'}{'br': None, 'i': Y', '/Y', '=ΔY, '106%≦(21)×100\u2003\u2003[General Formula 2]'}wherein in General Formulas 1 and 2, ΔX represents a change in creep of a pressure sensitive adhesive before and after addition of the polyphenolic compound, ΔY represents a change in a peel strength of the pressure sensitive adhesive before and after addition of the polyphenolic compound, X1 and Y1 respectively represent creep and a peel strength of a pressure sensitive adhesive prepared from a pressure sensitive adhesive composition excluding the polyphenolic compound from the pressure sensitive adhesive composition, X2 and Y2 respectively represent creep and a peel strength of a pressure sensitive adhesive prepared from the pressure sensitive adhesive composition containing the polyphenolic compound, the creep is measured when a specimen having a width of 2.5 cm, a length of 2.5 cm, and a thickness of 40 μm produced with the pressure sensitive adhesive from the pressure sensitive adhesive composition is attached to glass and a load of 1 kg is applied to the specimen for 500 seconds, and the peel strength is measured when the specimen is ...

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Номер записи: 33
12-12-2013 дата публикации

2-cyanoacrylate-purifying method

Номер: US20130331598A1
Автор: Hiroaki Yamamoto, Yoshio Nagahama, Yukinori Nishino
Принадлежит: Taoka Chemical Co Ltd

Provided is a 2-cyanoacrylate-purifying method for decoloring a 2-cyanoacrylate which has been colored, and preventing further coloring of the 2-cyanoacrylate thus decolored. The 2-cyanoacrylate-purifying method includes the steps of: (a) adding a specific polyhydric aromatic compound to the 2-cyanoacrylate which has been colored; and (b) storing, at a temperature in a range of 0° C. to 40° C. for 0.5 day or more, the resulting mixture obtained in the step (a), and then subjecting the mixture to reduced pressure distillation.

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Номер записи: 34
12-12-2013 дата публикации

Absorbent Core For Use In Absorent Articles

Номер: US20130331806A1
Автор: Beruda Holger, Jackels Hans Adolf, Kampus Juliane, Rosati Rodrigo
Принадлежит:

An absorbent core suitable for use in an absorbent article comprising: 1. An absorbent core for an absorbent article , the absorbent core comprising:a first absorbent layer comprising a first substrate, and a layer of cross-linked cellulose fibers deposited on the first substrate; and 'wherein the first and second absorbent layers are combined together such that at least a portion of the fibrous layer of thermoplastic adhesive material contacts at least a portion of the layer of cross-linked cellulose fibers.', 'a second absorbent layer comprising a second substrate, a layer of superabsorbent polymer particles deposited on the second substrate, and a fibrous layer of thermoplastic adhesive material covering the layer of superabsorbent polymer particles;'}2. The absorbent core according to claim 1 , wherein the cross-linked cellulosic fibers are chemically cross-linked using a cross-linking agent selected from the group consisting of polycarboxylic cross-linking agents claim 1 , polyacrylic acids claim 1 , and mixtures thereof.3. The absorbent core according to claim 2 , wherein the cross-linked cellulosic fibers have between 0.5 mole % and 10.0 mole % of a C[2] to C[9] polycarboxylic cross-linking agent claim 2 , based on glucose unit.4. The absorbent core according to claim 1 , wherein the layer of cross-linked cellulosic fibers has a water retention value of 25 to 60.5. The absorbent core according to claim 1 , wherein the weight ratio of the superabsorbent polymer particles to the cross-linked cellulose fibers ranges from 1:1 to 10:1.6. The absorbent core according to claim 1 , comprising from 30 to 90 weight percent of the superabsorbent polymer particles by total weight of the core.7. The absorbent core according to claim 1 , comprising from 5 to 50 weight percent of the cross-linked cellulose fibers by total weight of the core.8. The absorbent core according to claim 1 , wherein the layer of superabsorbent polymer particles is deposited on the second substrate ...

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Номер записи: 35
19-12-2013 дата публикации

Disposable Diapers

Номер: US20130338619A1
Автор: Kruse Bettina, Reichardt Nicole Anja, RINNERT Thorsten, Schneider Manuela
Принадлежит: The Procter & Gamble Company

A disposable diaper is disclosed. The diaper includes a colored topsheet. The topsheet has a basis weight of from 12 to 18 gsm and comprises a plurality of bonded points. Each of the bonded points has a surface area of from 2 mmto 5 mmand the cumulated surface area of the plurality of bonded points is from 10 to 25% of the total surface area of the topsheet. 1. A disposable diaper comprising a colored topsheet , wherein said topsheet has a basis weight of from about 12 gsm to about 18 gsm and comprises a plurality of bonded points , wherein each of said points has a surface area of from about 2 mm , to about 5 mmand wherein the cumulated surface area of the plurality of bonded points is from about 10% to about 25% of the total surface area of the topsheet.2. The disposable diaper according to wherein said topsheet comprises at least about 20% of thermoplastic fibers.3. The disposable diaper according to wherein said topsheet has a basis weight of from about 13 gsm to about 16 gsm.4. The disposable diaper according to wherein each of said bonded points has a surface area of from about 2.5 mmto about 4.5 mmand/or wherein the cumulated surface area of said points is from about 14% to about 22% of the total surface area of the topsheet.5. The disposable diaper according to wherein the color of the topsheet is selected from the group consisting of pink claim 1 , red claim 1 , blue claim 1 , green claim 1 , orange claim 1 , yellow claim 1 , periwinkle and any declination or mixture thereof.6. The disposable diaper according to wherein each of said bonding points has a shape which is selected from the group consisting of circular claim 1 , diamond claim 1 , oval claim 1 , rectangular claim 1 , triangular and square.7. The disposable diaper according to wherein said bonded points are thermally bonded points.9. The disposable diaper according to wherein the absorbent core comprises one or more absorbent structure claim 8 , wherein each of said absorbent structure comprises a ...

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Номер записи: 36
16-01-2014 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILM

Номер: US20140016068A1
Автор: Hwang In Ho, Kim No Ma, Lee Min Ki, Park In Kyu, Yoon Sung Soo
Принадлежит: LG CHEM, LTD.

A pressure-sensitive adhesive composition for an optical film, a method of preparing a pressure-sensitive adhesive for an optical film, a polarizing plate and a liquid crystal display are provided. The pressure-sensitive adhesive composition may be effectively coated even when a coating solid content is controlled to be high. Therefore, productivity in formation of a pressure-sensitive adhesive or manufacture of an optical film such as a polarizing plate may be significantly increased, and excellent durability and reliability and re-workability may be exhibited after the pressure-sensitive adhesive is prepared. 1. A pressure-sensitive adhesive composition for an optical film , comprising:an acrylic polymer which comprises, as polymerized units, 2.5 to 5.5 parts by weight of monomer having hydroxyl group and 0.05 to 0.3 parts by weight of monomer having carboxyl group, and of which a weight average molecular weight of 700,000 to 1,200,000; anda multifunctional crosslinking agent,wherein a coating solid content is 20 weight % or more, and a gel fraction is 55 weight % to 85 weight % after being crosslinked.2. The pressure-sensitive adhesive composition for an optical film of claim 1 , wherein the acrylic polymer has a weight average molecular weight of 700 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.3. The pressure-sensitive adhesive composition for an optical film of claim 1 , wherein the monomer having hydroxyl group is hydroxyalkyl(meth)acrylate or hydroxyalkyleneglycol(meth)acrylate.4. The pressure-sensitive adhesive composition for an optical film of claim 1 , wherein the monomer having carboxyl group is (meth)acrylic acid claim 1 , 2-(meth)acrylolyoxy acetate claim 1 , 3-(meth)acryloyloxy propylate claim 1 , 4-(meth)acryloyloxy butyrate claim 1 , acrylic acid dimer claim 1 , itaconic acid claim 1 , maleic acid or maleic acid anhydride.5. The pressure-sensitive adhesive composition for an optical film of claim 1 , wherein the acrylic polymer comprises claim 1 , ...

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Номер записи: 37
16-01-2014 дата публикации

ADHESIVE, ADHESIVE TAPE, AND DISPLAY DEVICE

Номер: US20140017451A1
Автор: HWANG Hyeon-Deuk, JUNG Myung-Jae, LIM Dong-Hyuk
Принадлежит:

An adhesive includes an acrylic copolymer synthesized from a composition including a solution polymerizable acryl-based monomer, a vinyl-based monomer that is copolymerizable with the solution polymerizable acryl-based monomer, a β-carboxylethyl acrylate monomer, and a reaction initiator, and a compound including at least three epoxy functional groups. 1. An adhesive , comprising: a solution polymerizable acryl-based monomer,', 'a vinyl-based monomer that is copolymerizable with the solution polymerizable acryl-based monomer,', 'a β-carboxylethyl acrylate monomer, and', 'a reaction initiator; and, 'an acrylic copolymer synthesized from a composition includinga compound including at least three epoxy functional groups.3. The adhesive as claimed in claim 2 , wherein the β-carboxylethyl acrylate monomer includes a first β-carboxylethyl acrylate monomer represented by Chemical Formula 1 and a second β-carboxylethyl acrylate monomer represented by Chemical Formula 1 claim 2 , and the first and second β-carboxylethyl acrylate monomers have different values for n.5. The adhesive as claimed in claim 1 , wherein the β-carboxylethyl acrylate monomer is included in an amount of about 1 to about 10 parts by weight based on 100 parts by weight of a total amount of monomers.6. The adhesive as claimed in claim 1 , wherein the compound including at least three epoxy functional groups is included in an amount of about 0.1 to about 10 parts by weight based on 100 parts by weight of a total amount of monomers.7. The adhesive as claimed in claim 1 , wherein:the solution polymerizable acryl-based monomer is included in an amount of about 70 to about 90 parts by weight based on 100 parts by weight of a total amount of monomers,the vinyl-based monomer is included in an amount of about 1 to about 10 parts by weight based on 100 parts by weight of a total amount of monomers, andthe reaction initiator is included in an amount of about 0.1 to about 5 parts by weight based on 100 parts by ...

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Номер записи: 38
06-02-2014 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND FILM FOR OPTICAL MEMBER

Номер: US20140037955A1
Автор: Kamoi Akira, Miyazaki Hideki
Принадлежит: NIPPON CARBIDE INDUSTRIES CO., INC.

The invention provides a pressure-sensitive adhesive composition including: an acrylic copolymer (A) containing 40% to 80% by mass of a constituent unit derived from a (meth)acrylic acid alkyl ester having a Calkyl group, 10% to 59.9% by mass of a constituent unit derived from a (meth)acrylic acid alkyl ester having a Calkyl group, and 0.1% to 10% by mass of a constituent unit derived from a monomer having a hydroxyl group; a polyoxyalkylene group-containing copolymer (B) having a weight average molecular weight of 3,000 to 100,000 and containing 60% by mass or less of a constituent unit derived from a polyoxyalkylene group-containing monomer having an average addition mole number of alkylene oxide units of 20 or more; an alkali metal salt (C); and a dimethylpolysiloxane compound (D) having a polyoxyalkylene group in a molecule and having an HLB value of 9 or less. 1. A pressure-sensitive adhesive composition comprising:{'sub': 1-5', '6-18, 'an acrylic copolymer (A) containing 40% to 80% by mass of a constituent unit derived from a (meth)acrylic acid alkyl ester having a Calkyl group, 10% to 59.9% by mass of a constituent unit derived from a (meth)acrylic acid alkyl ester having a Calkyl group, and 0.1% to 10% by mass of a constituent unit derived from a monomer having a hydroxyl group;'}a polyoxyalkylene group-containing copolymer (B) containing a constituent unit derived from a polyoxyalkylene group-containing monomer having an average addition mole number of alkylene oxide units of 20 or more and a constituent unit derived from a monomer other than the polyoxyalkylene group-containing monomer, the copolymer (B) having a content ratio of the constituent unit derived from the polyoxyalkylene group-containing monomer of 60% by mass or less, and the copolymer (B) having a weight average molecular weight of from 3,000 to 100,000;an alkali metal salt (C); anda dimethylpolysiloxane compound (D) having a polyoxyalkylene group in a molecule and having an HLB value of 9 or ...

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Номер записи: 39
13-02-2014 дата публикации

DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET AND PORTABLE ELECTRONIC DEVICE

Номер: US20140044915A1
Автор: HIGUCHI Naoaki, NIWA Masahito, YAMANAKA Eiji
Принадлежит: NITTO DENKO CORPORATION

A double-sided pressure-sensitive adhesive sheet includes a pressure-sensitive adhesive layer including an acrylic polymer (A) containing 9 to 30 mass % of building blocks derived from at least one kind of polar monomer. 1. A double-sided pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer including an acrylic polymer (A) containing 9 to 30 mass % of building blocks derived from at least one kind of polar monomer.2. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the double-sided pressure-sensitive adhesive sheet is configured for use in a portable electronic device to fix a member installed in the portable electronic device.3. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the double-sided pressure-sensitive adhesive sheet has a shape selected from the group consisting of a tape shape claim 1 , a slip shape claim 1 , a U shape claim 1 , an L shape claim 1 , and a frame shape.4. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the acrylic polymer (A) contains building blocks derived from (meth)acrylic acid alkyl ester including any one of a linear-chain alkyl group with a carbon number of 1 to 20 and a branched-chain alkyl group with a carbon number of 1 to 20.5. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the at least one kind of polar monomer is selected from the group consisting of a carboxyl group-containing monomer claim 1 , a hydroxyl group-containing monomer claim 1 , an amide group-containing monomer claim 1 , and a heterocycle-containing vinyl monomer.6. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the acrylic polymer (A) contains building blocks derived from a polyfunctional monomer including at least two polymerizable functional groups.7. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the pressure-sensitive adhesive ...

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Номер записи: 40
13-02-2014 дата публикации

ACTIVE RAY-CURABLE COMPOSITION, AND ACTIVE RAY-CURABLE INKJET PRINTING INK COMPOSITION AND ACTIVE RAY-CURABLE ADHESIVE COMPOSITION USING THE SAME

Номер: US20140045965A1
Автор: Arimitsu Koji, Kimura Okitoshi, NOGUCHI Soh
Принадлежит:

An active ray-curable composition characterized by containing a photobase generator, a double bond-containing compound, and a β-dicarbonyl compound. 1. An active ray-curable composition , comprising:a photobase generator;a double bond-containing compound; anda β-dicarbonyl compound.2. The active ray-curable composition according to claim 1 , wherein the double bond-containing compound is one or more selected from the group consisting of (meth)acrylate compounds and (meth)acrylamide compounds.3. The active ray-curable composition according to claim 1 , wherein the β-dicarbonyl compound is an acetoacetic ester compound.4. The active ray-curable composition according to claim 1 , wherein either one or both of the double bond-containing compound and the β-dicarbonyl compound are polyfunctional.5. The active ray-curable composition according to claim 1 , further comprising a carboxylic acid which is decarbonized with active ray irradiation or heat.6. The active ray-curable composition according to claim 1 , further comprising a photoradical polymerization initiator.7. An active ray-curable inkjet printing ink composition claim 1 , comprising:an active ray-curable composition;wherein the active ray-curable composition comprises a photobase generator, a double bond-containing compound, and a β-dicarbonyl compound.8. The active ray-curable inkjet printing ink composition according to claim 7 , wherein the double bond-containing compound is one or more selected from the group consisting of (meth)acrylate compounds and (meth)acrylamide compounds.9. The active ray-curable inkjet printing ink composition according to claim 7 , wherein the β-dicarbonyl compound is an acetoacetic ester compound.10. The active ray-curable inkjet printing ink composition according to claim 7 , wherein either one or both of the double bond-containing compound and the β-dicarbonyl compound are polyfunctional.11. The active ray-curable inkjet printing ink composition according to claim 7 , further ...

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Номер записи: 41
27-02-2014 дата публикации

Alkaline hydrolysis resistant adhesive

Номер: US20140053967A1
Автор: Michael Lindsay Boyd, Richard Clinch
Принадлежит: Interface Australia Pty Ltd, RLA POLYMERS PTY LTD

There is described herewith an alkaline hydrolysis resistant carpet adhesive comprising an n-butyl acrylate acrylic polymer.

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Номер записи: 42
06-03-2014 дата публикации

Pressure-sensitive adhesive composition

Номер: US20140065324A1
Автор: Ki Seok Jang, Min Soo Park, Se Woo Yang, Suk Ky Chang
Принадлежит: LG Chem Ltd

The present invention relates to a pressure sensitive adhesive composition, a polarizer and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive which can have excellent stress relaxation characteristic to effectively inhibit light leakage by dimension change of optical films such as polarizing plates. In addition, a pressure sensitive adhesive having excellent physical properties such as adhesion durability and workability may be provided.

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Номер записи: 43
06-03-2014 дата публикации

DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET

Номер: US20140065403A1
Автор: HIGUCHI Naoaki, YAMANAKA Eiji
Принадлежит: NITTO DENKO CORPORATION

A double-sided pressure-sensitive adhesive sheet includes a pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer is substantially free of bubbles and includes an acrylic polymer (A) and hollow microspheres. The acrylic polymer (A) includes a monomer composition containing (meth)acrylic acid alkyl ester (a1) and a polar group-containing copolymerizable monomer (a2) with polymerizable unsaturated double bond. The (meth)acrylic acid alkyl ester (a1) includes a linear-chain alkyl group with a carbon number of 1 to 20 and a branched-chain alkyl group with a carbon number of 1 to 20. The monomer composition contains the polar group-containing copolymerizable monomer (a2) in an amount of 5 to 9 parts by mass, based on 100 parts by mass of a total of the (meth)acrylic acid alkyl ester (a1) and the polar group-containing copolymerizable monomer (a2). 1. A double-sided pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer , the pressure-sensitive adhesive layer being substantially free of bubbles and comprising:an acrylic polymer (A) including a monomer composition containing (meth)acrylic acid alkyl ester (a1) and a polar group-containing copolymerizable monomer (a2) with polymerizable unsaturated double bond, the (meth)acrylic acid alkyl ester (a1) including any one of a linear-chain alkyl group with a carbon number of 1 to 20 and a branched-chain alkyl group with a carbon number of 1 to 20, the monomer composition containing the polar group-containing copolymerizable monomer (a2) in an amount of 5 to 9 parts by mass, based on 100 parts by mass of a total of the (meth)acrylic acid alkyl ester (a1) and the polar group-containing copolymerizable monomer (a2); andhollow microspheres.2. The double-sided pressure-sensitive adhesive sheet according to claim 1 , wherein the pressure-sensitive adhesive layer includes the hollow microspheres in an amount of 1 to 15 parts by mass claim 1 , based on 100 parts by mass of the acrylic ...

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Номер записи: 44
06-03-2014 дата публикации

PRESSURE-SENSITIVE ADHESIVE, PRESSURE-SENSITIVE ADHESIVE LAYER, AND PRESSURE-SENSITIVE ADHESIVE SHEET

Номер: US20140065417A1
Автор: HIGASHI Masatsugu, Inoue Tetsuo, MATSUURA Aimi, SHIGETOMI Kiyoe, Tanaka Akiko
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive of the invention include a (meth)acryl-based polymer obtained by polymerization of a monomer component including 19 to 99.5% by weight of an alkyl (meth)acrylate having a branched alkyl group of 10 to 24 carbon atoms at an ester end. The pressure-sensitive adhesive has a satisfactory level of adhesive performance and can form a pressure-sensitive adhesive layer with a lower dielectric constant. 1. A pressure-sensitive adhesive , comprising a (meth)acryl-based polymer obtained by polymerization of a monomer component including 19 to 99.5% by weight of an alkyl (meth)acrylate having a branched alkyl group of 10 to 24 carbon atoms at an ester end.2. The pressure-sensitive adhesive according to claim 1 , wherein the monomer component further include 0.1 to 30% by weight of at least one functional group-containing monomer selected from a carboxyl group-containing monomer claim 1 , a hydroxyl group-containing monomer claim 1 , and a cyclic ether group-containing monomer.3. The pressure-sensitive adhesive according to claim 1 , wherein the monomer component further include 0.5% or more by weight of at least one selected from an alkyl (meth)acrylate having a branched alkyl group of 3 to 9 carbon atoms at an ester end claim 1 , an alkyl (meth)acrylate having a linear alkyl group of 1 to 24 carbon atoms at an ester end and an alkyl (meth)acrylate having a cyclic alkyl group at an ester end.4. The pressure-sensitive adhesive according claim 1 , wherein the monomer component further contains 3% or less by weight or less of a polyfunctional monomer.5. The pressure-sensitive adhesive according to claim 1 , further comprising 0.01 to 5 parts by weight of a crosslinking agent based on 100 parts by weight of the (meth)acryl-based polymer.6. The pressure-sensitive adhesive according to claim 1 , which is for use on an optical member.7. A pressure-sensitive adhesive layer obtained from the pressure-sensitive adhesive according to .8. The pressure- ...

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Номер записи: 45
13-03-2014 дата публикации

DRESSINGS WITH A FOAMED ADHESIVE LAYER

Номер: US20140074005A1
Автор: Patel Bharat D.
Принадлежит: JOHNSON & JOHNSON CONSUMER COMPANIES, INC.

A dressing suitable for topical application to the body, including a carrier substrate having a first side and opposing second side; and a layer of a foamed adhesive composition applied to the second side of the carrier substrate, where the layer of foamed adhesive composition includes a substantially homogeneous distribution of closed cells having an inert gas contained therein. 1. A dressing suitable for topical application to the body , comprising:a carrier substrate having a first side and opposing second side; anda layer of a foamed adhesive composition applied to the second side of the carrier substrate, wherein the layer of foamed adhesive composition comprises a substantially homogeneous distribution of closed cells comprising an inert gas contained therein.2. The dressing of wherein the closed cells are ovoid claim 1 , spherical claim 1 , circular or elongate in structure.3. The dressing of wherein the closed cell comprises a cell dimension selected from the group consisting of average diameter claim 1 , length and width.4. The dressing of wherein the cell dimension is from about 1 to about 10 micron.5. The dressing of wherein the cell dimension is from about 2 to about 5 micron.6. The dressing of wherein the layer of the foamed adhesive composition has a thickness from about 20 to about 200 micron.7. The dressing of wherein the layer of the foamed adhesive composition has a thickness from about 30 to about 100 micron.8. The dressing of wherein a ratio of the thickness of the layer of the foamed adhesive composition to the cell dimension is from about 0.005 to about 0.50.9. The dressing of claim 1 , wherein a ratio of the thickness of the layer of the foamed adhesive composition to the average cell diameter is from about 0.03 to about 0.1.10. The dressing of claim 1 , wherein the foamed adhesive composition has a density from about 0.14 to about 0.80 g/cm.11. The dressing of claim 1 , wherein the foamed adhesive composition has a density from about 0.19 to ...

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Номер записи: 46
20-03-2014 дата публикации

NOVEL ADHESIVE COMPOSITIONS AND USES THEREOF

Номер: US20140079661A1
Автор: Domínguez Arribas Luis Esteban, MARTIN MARTINEZ Jose Miguel, Martínez Paino Manuel, Villarreal Gómez Ana
Принадлежит: BIOADHESIVES MEDTECH SOLUTIONS, S.L.

It is provided new adhesive compositions comprising three components, compounds of formula (I), (II) and (III), namely, alkyl cyanoacrylates, alkyl carboxyacrylates and acrylates. It is also provided said compositions for use in medicine and veterinary, as bioadhesives. 2. The composition of claim 1 , wherein the compound of formula (I) is selected from the group consisting of methyl-2-cyanoacrylate claim 1 , ethyl-2-cyanoacrylate claim 1 , n-butyl-2-cyanoacrylate claim 1 , isobutyl-2-cyanoacrylate claim 1 , n-hexyl-2-cyanoacrylate and n-octyl-2-cyanoacrylate.3. The composition of claim 1 , wherein the compound of formula (II) is ethyl-2-carboxyacrylate.4. The composition of claim 1 , wherein the compound of formula (III) is selected from the group consisting of 6-hydroxyhexyl acrylate claim 1 , methyl methacrylate and acrylic acid.5. The composition of claim 1 , wherein the proportion in volume per cent of each of the compounds of formula (I) claim 1 , (II) and (III) is in the range of (70-90) claim 1 , (5-15) and (5-25) claim 1 , respectively claim 1 , the sum of the three compounds being equal to 100.6. The composition of claim 5 , wherein the proportion in volume per cent of each of the compounds of formula (I) claim 5 , (II) and (III) is 90 claim 5 , 5 and 5 claim 5 , respectively.7. The composition of claim 5 , wherein the proportion in volume per cent of each of the compounds of formula (I) claim 5 , (II) and (III) is 80 claim 5 , 5 and 15 claim 5 , respectively.8. The composition of claim 5 , wherein the proportion in volume per cent of each of the compounds of formula (I) claim 5 , (II) and (III) is 70 claim 5 , 10 and 20 claim 5 , respectively.9. The composition of claim 1 , further comprising a filler claim 1 , at least one stabiliser claim 1 , a dye claim 1 , or any combination thereof.10. The composition of claim 9 , wherein the filler is selected from the group consisting of silica and carbon black.11. The composition of claim 9 , further comprising a ...

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Номер записи: 47
03-04-2014 дата публикации

WATER-BORNE ADHESIVES

Номер: US20140093740A1
Автор: Chen Mai
Принадлежит: Rohm and Haas Company

There is provided a method of bonding a first substrate to a second substrate, wherein said method comprises 2. The method of wherein said first substrate or said second substrate is a polymer film that comprises one or more slip agent3. The method of wherein said slip agent is a fatty amide.4. The method of wherein said first substrate or said second substrate is a polymer film that comprises low density polyethylene and that comprises one or more fatty amide.5. The composition of claim 1 , wherein said waterborne adhesive composition further comprises one or more water dispersible polyisocyanate.6. The composition of claim 1 , wherein the amount of polymerized units of all ionizable monomers in said vinyl polymer is 0% to 0.4% by weight based on the weight of said vinyl polymer.7. The composition of claim 1 , wherein said amide monomer is acrylamide.8. A bonded article formed by the method of .9. The bonded article of claim 8 , wherein said first substrate or said second substrate is a polymer film that comprises low density polyethylene and that comprises one or more fatty amide. The following is the background of the invention.It is often desired to bond two or more substrates together using an adhesive composition in situations in which one or more of the substrates contains a slip agent. For example, a bonded article may be formed by bonding two substrates made of polymer together when one or both of the substrates is made of a polymer that contains one or more fatty amide as a slip agent. Such slip agents are sometimes added to a polymer so that the surface of a substrate made from that polymer will have relatively low coefficient of friction. One problem that arises in such systems is that the slip agent may migrate from the substrate into the adhesive, thereby depleting the amount of slip agent in the substrate and consequently increasing the coefficient of friction of that substrate.One method that has been used in the past to reduce depletion of slip ...

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Номер записи: 48
10-04-2014 дата публикации

ADHESIVE FILM, ADHESIVE COMPOSITION FOR THE SAME, AND DISPLAY MEMBER INCLUDING THE SAME

Номер: US20140099495A1
Автор: CHO Ik Hwan, HAN In Cheon, Kim Chan Woo, KIM Ki Yong, KIM Lee June
Принадлежит: CHEIL INDUSTRIES INC.

An adhesive film includes a cured product of a (meth)acrylic copolymer and has a refractive index from about 1.5 to about 1.6. An adhesive composition for preparing the adhesive film includes a (meth)acrylic copolymer of a monomer mixture. A display member includes the adhesive film coated on one or more surfaces of an optical film. 1. An adhesive film , comprising a cured reaction product of an adhesive composition , the adhesive composition comprising a (meth)acrylic copolymer of a monomer mixture , and the adhesive film having a refractive index from about 1.5 to about 1.6.2. The adhesive film according to claim 1 , wherein the monomer mixture comprises a monomer having at least two aromatic groups.3. The adhesive film according to claim 1 , wherein the monomer mixture comprises about 20 wt % or more of a monomer having at least two aromatic groups claim 1 , based on a total weight of the monomer mixture.6. The adhesive film according to claim 2 , wherein the monomer having at least two aromatic groups comprises at least one of phenoxybenzyl (meth)acrylate and phenylphenoxyethyl (meth)acrylate.7. The adhesive film according to claim 1 , wherein the monomer mixture comprises about 10 wt % to about 50 wt % of a (meth)acrylate monomer having a Cto Calkyl group claim 1 , about 1 wt % to about 30 wt % of a (meth)acrylate monomer having an alicyclic group claim 1 , about 10 wt % to about 30 wt % of a monomer having a hydroxy group claim 1 , and about 20 wt % to about 50 wt % of a monomer having at least two aromatic groups claim 1 , each based on a total weight of the monomer mixture.8. The adhesive film according to claim 7 , wherein the monomer mixture further comprises about 0.1 wt % to about 10 wt % of a monomer having a carboxylic acid group claim 7 , based on a total weight of the monomer mixture.9. The adhesive film according to claim 1 , wherein the (meth)acrylic copolymer has a viscosity from about 1 claim 1 ,000 cPs to about 50 claim 1 ,000 cPs at 25° C.10. ...

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Номер записи: 49
07-01-2016 дата публикации

SELECTIVE SYNTHESIS OF 2-OCTYL ACRYLATE BY ACID CATALYZED ESTERIFICATION OF 2-OCTANOL AND ACRYLIC ACID

Номер: US20160002140A1
Автор: Clem Tabitha A., Colby Joshua L., Hutt Aaron E., Spawn Terence D., Teply Wade T.
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

A method of making 2-octyl acrylate comprising reacting 2-octanol with acrylic acid in the presence of an acid catalyst and added water is described. The 2-octanol may be derived from renewable resources, such as castor oil. The method is efficient and provides selectivity for 2-octyl acrylate. 1. A method of making 2-octyl acrylate comprising reacting 2-octanol with acrylic acid in the presence of an acid catalyst and added water.2. The method of wherein the acid catalyst comprises a heterogeneous acid catalyst.3. The method of wherein functional groups on the acid catalyst comprise sulfonic acid.4. The method of wherein the acid catalyst comprises a cation exchange resin.5. The method of wherein the 2-octanol and acrylic acid are provided in a 3:1 to a 1:3 molar ratio.6. The method of wherein the 2-octyl acrylate comprises between 50% and 100% by weight biobased carbon claim 1 , as determined using ASTM D6866-12.7. The method of wherein the 2-octanol is derived from castor oil.8. The method of wherein the added water comprises 1 to 5 percent by weight of the total reactants.9. The method of wherein the reaction is performed at a temperature of 60° C. to 130° C.10. The method of wherein the reaction is performed in a continuous reactor at a weight hourly space velocity (WHSV) of 0.1 hto 3 h claim 1 , wherein the WHSV is a ratio of mass flow of 2-octanol and acrylic acid entering the system per hour to the mass of the acid catalyst.11. The method of wherein 15 to 70% by weight of the 2-octanol is converted to 2-octyl acrylate.12. The method of wherein the acid catalyst comprises a liquid homogeneous acid catalyst.13. The method of wherein the 2-octanol has a C/C ratio of 1.0×10or higher.14. 2-octyl acrylate made by a method comprising reacting 2-octanol with acrylic acid in the presence of an acid catalyst and added water.15. The 2-octyl acrylate of wherein the acid catalyst comprises a cation exchange resin.16. The 2-octyl acrylate of wherein the 2-octanol and ...

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Номер записи: 50
07-01-2016 дата публикации

Optical Adhesive With Diffusive Properties

Номер: US20160002509A1
Автор: Audrey A. Sherman, James M. Nelson, Kevin R. Schaffer, Ryan E. Marx
Принадлежит: 3M Innovative Properties Co

Optical adhesives that also diffuse visible light include a blend of an adhesive matrix which is an optical adhesive and a block copolymer. The adhesive may be a pressure sensitive adhesive and contains either acid or basic functionality. The block copolymer, which may be a diblock copolymer, contains a high Tg block and a functional block, the functionality of the functional block is complimentary to the functionality of the adhesive matrix to form an acid-base interaction. The adhesive may also contain a crosslinking agent.

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Номер записи: 51
05-01-2017 дата публикации

ADHESIVE FILM AND DISPLAY MEMBER COMPRISING THE SAME

Номер: US20170002237A1
Автор: CHO Ik Hwan, HAN Jae Hyun, Kang Ji Won, Kim Il Jin, KIM Jee Hee, KIM Ji Ho, KIM Yong Tae, Kwak Byeong Do, LEE Gwang Hwan, Lee Woo Jin, Moon Hyung Rang, MUN Sung Hyun, SHIN Seon Hee
Принадлежит:

An adhesive film and a display member including the same are disclosed. The adhesive film is formed of an adhesive composition including: a copolymer of a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles. The adhesive film has a creep at −20° C. of about 50 μm to about 100 μm and a gel fraction of about 50% to about 75%. 1. An adhesive film formed of an adhesive composition comprising: a copolymer of a monomer mixture comprising a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles , wherein the adhesive film has a creep at −20° C. of about 50 μm to about 100 μm and a gel fraction of about 50% to about 75%.2. The adhesive film according to claim 1 , wherein the hydroxyl group-containing (meth)acrylate is present in an amount of about 10 wt % to about 40 wt % in the monomer mixture.3. The adhesive film according to claim 1 ,wherein the nanoparticles have an average particle diameter of about 10 nm to about 400 nm, andwherein the nanoparticles are present in an amount of about 0.1 parts by weight to about 10 parts by weight relative to 100 parts by weight of the monomer mixture.4. The adhesive film according to claim 1 , wherein the adhesive film has a creep of about 60 μm to about 350 μm at 25° C.5. The adhesive film according to claim 1 ,wherein the adhesive film has a T-peel strength of about 400 gf/in to about 4,000 gf/in with respect to a corona-treated PET film at 25° C., andwherein the adhesive film has a T-peel strength of about 200 gf/in to about 3,000 gf/in with respect to a corona-treated PET film at 60° C.6. The adhesive film according to claim 1 ,wherein the adhesive film has a storage modulus of about 10 kPa to about 100 kPa at 25° C., andwherein the adhesive film has a storage modulus of about 10 kPa to about 100 kPa at 80° C.7. The adhesive film according to claim 1 , wherein the adhesive film has a ratio of storage modulus at −20° C. to storage modulus at 25° C. of about 1: ...

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Номер записи: 52
03-01-2019 дата публикации

THERMOPLASTIC ELASTOMERS VIA REVERSIBLE ADDITION-FRAGMENTATION CHAIN TRANSFER POLYMERIZATION OF TRIGLYCERIDES

Номер: US20190002608A1
Автор: CASCIONE Andrew, COCHRAN Eric W., Hernandez Nacu, Williams Ronald Christopher
Принадлежит:

The present invention relates to a thermoplastic block copolymer comprising at least one PA block and at least one PB block. The PA block represents a polymer block comprising one or more units of monomer A, and the PB block represents a polymer block comprising one or more units of monomer B. Monomer A is a vinyl, acrylic, diolefin, nitrile, dinitrile, acrylonitrile monomer, a monomer with reactive functionality, or a crosslinking monomer. Monomer B is a radically polymerizable triglyceride or mixtures thereof, typically in the form of a plant or animal oil. The present invention also relates to a method of preparing a thermoplastic block copolymer or novel thermoplastic statistical copolymers by polymerizing a radically polymerizable monomer with a radically polymerizable triglyceride or mixtures thereof via reversible addition-fragmentation chain-transfer polymerization (RAFT), in the presence of an free radical initiator and a chain transfer agent. 120.-. (canceled)21. A thermoplastic statistical copolymer having a general formula of: [A-B-C] ,wherein:A represents monomer A, which is a vinyl, acrylic, diolefin, nitrile, dinitrile, acrylonitrile monomer, a monomer with reactive functionality, or a crosslinking monomer;B represents monomer B, which is a radically polymerizable triglyceride or mixture thereof, in the form of a plant oil, animal oil, or synthetic triglycerides;C represents monomer C, which is a vinyl, acrylic, diolefin, nitrile, dinitrile, acrylonitrile monomer, a monomer with reactive functionality, or a crosslinking monomer; ora radically polymerizable triglyceride or mixtures thereof, in the form of a plant oil, animal oil, or synthetic triglycerides, provided monomer C is different than the monomer A or monomer B;i, j, and k are average number of repeating units of monomer A, monomer B, and monomer C, respectively, such that i and j are each greater than 0 and less than 1, k is 0 to less than 1, provided i+j+k=1; andq represents the number ...

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Номер записи: 53
07-01-2021 дата публикации

BACK-GRINDING TAPE

Номер: US20210002518A1
Автор: KIM Eun Yeong, Kim Sang Hwan, KIM Sera, LEE Kwang Joo, Park Sung Chan, YOON Mi Seon
Принадлежит: LG CHEM, LTD.

A back grinding tape including a hard coating layer, an intermediate layer including a polyurethane-based resin, and an adhesive layer provided has an excellent water resistance, thus easily protecting patterns, and has an excellent adhesion between each layer, and thus each layer is not separated in the process of removing the tape, such that the back grinding tape is suitable for a back grinding process. 1. A back grinding tape comprising: a hard coating layer; an intermediate layer comprising a polyurethane-based resin; and an adhesive layer ,wherein a sum of polar energy values of the hard coating layer and the intermediate layer calculated according to Mathematical Equation 1 is 13 dyne/cm to 17 dyne/cm, and {'br': None, 'Polar Energy (dyne/cm)=Surface free energy (dyne/cm)−Dispersion (dyne/cm)\u2003\u2003[Mathematical Equation 1]'}, 'the polar energy value of the intermediate layer calculated according to the Mathematical Equation 1 is 3.5 dyne/cm or less{'sub': 2', '2, 'wherein, in the Equation, the surface free energy and the dispersion are measured using water and diiodomethane (CHI) solutions according to a Wu-harmonic method.'}2. The back grinding tape according to claim 1 , wherein the sum of the polar energy values of the hard coating layer and the intermediate layer is 13.3 dyne/cm to 16 dyne/cm claim 1 , and the polar energy value of the intermediate layer is 3.0 dyne/cm or less.3. The back grinding tape according to claim 1 , wherein a thickness of the hard coating layer is 0.1 μm to 10 μm.4. The back grinding tape according to claim 1 , wherein a thickness of the intermediate layer ee is 50 μm to 500 μm.5. The back grinding tape according to claim 1 , wherein a thickness of the adhesive layer is 0.5 μm to 60 μm.6. The back grinding tape according to claim 1 , wherein the hard coating layer comprises one or more selected from the group consisting of a polyester-based compound claim 1 , an acryl-based compound claim 1 , a modified polyurethane-based ...

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Номер записи: 54
07-01-2021 дата публикации

Cosmetic Adhesive Compositions

Номер: US20210002525A1
Автор: LEE Wilson, Ridini Jennifer
Принадлежит:

Single phase cosmetic adhesive compositions that are flexible and resistant to water below a selected temperature, 43° C. for example. The adhesive compositions wear well, are smudge and flake resistant, as well as oil resistant, making them very suitable for long wear without adhesive failure. Adhesive compositions according to the invention comprise specific combinations of acrylates/VA copolymer and acrylates copolymer in a cosmetically acceptable base or delivery vehicle. Adhesive compositions according to the invention are hydrophilic and easily removed when scrubbed with water above a certain temperature, but not as easily removed with water below that temperature. The adhesive compositions are easy to manufacture, flexible and comfortable, and suitable for use on skin, lips, hair and nails, particularly to secure strips of false eyelashes and eyebrows, as well as individual lash and brow extensions. Cosmetic adhesives of the present invention may also be used to affix glitter or extensions to skin, hair, lips, or nails, and other cosmetic products to keratinic surfaces. 1. A single phase , aqueous cosmetic adhesive composition comprising , by total weight of the composition:20% to 30% of acrylates/VA copolymer;0.5% to 2.5% of acrylates copolymer;wherein the ratio of the acrylates/VA copolymer to the acrylates copolymer is in the range of 12:1 to 60:1;40% to 65% of water;no more than 0.5% of hydrophobic oils or waxes;no more than 4% glycol;no more than 3% of surfactants and emulsifiers;no more than 0.25% of clay particles or undissolved particulate material; andno more than 0.5% of polyurethane.2. The adhesive composition of having no hydrophobic oils or waxes.3. The adhesive composition of having no surfactants or emulsifiers.4. The adhesive composition of having no clay particles or undissolved particulate material.5. The adhesive composition of having no polyurethane.6. The adhesive composition of having less than 0.5% glycol.7. The adhesive composition of ...

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Номер записи: 55
03-01-2019 дата публикации

CURABLE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE, AND THE METHOD FOR MAKING THE SAME

Номер: US20190002734A1
Автор: Zhang Wenjie
Принадлежит:

Curable adhesive compositions that can be used to prepare the pressure-sensitive adhesives, and methods of making the pressure-sensitive adhesives are provided. More particularly, the pressure-sensitive adhesives contain (a) a (meth)acrylate copolymer having a weight average molecular weight greater than 500,000 grams/mole (Daltons), (b) a high glass transition temperature (meth)acrylate polymer tackifier having a Tg of at least 5° C. and (c) a low glass transition temperature (meth)acrylate polymer tackifier having a Tg no greater than 0° C. The pressure-sensitive adhesives advantageously are prepared by ultraviolet (UV) curing a curable adhesive composition that contains minimal or no organic solvents. 1. A curable adhesive composition comprising: (1) a non-tertiary alkyl acrylate; and', '(2) an acid-functionalized ethylenically unsaturated monomer; and, '(a) a first syrup polymer formed from a first reaction mixture, the first reaction mixture comprising'} (i) 1 to 30 weight percent of a partially polymerized acid-functionalized (meth)acrylate copolymer based on a total weight of monomers in the first reaction mixture, wherein the partially polymerized acid-functionalized (meth)acrylate copolymer has a weight average molecular weight greater than 500,000 grams/mole (Daltons); and', '(ii) 70 to 99 weight percent of un-reacted monomers based on the total weight of monomers in the first reaction mixture; and, 'wherein the first syrup polymer comprises'}(b) a high glass transition temperature (meth)acrylate polymer tackifier having a glass transition temperature of at least 5° C.; and(c) a low glass transition temperature (meth)acrylate polymer tackifier having a glass transition temperature no greater than 0° C.; and(d) an ultraviolet photoinitiator.2. The curable adhesive composition of claim 1 , wherein the weight average molecular weight of the high glass transition temperature (meth)acrylate polymer tackifier is in a range of 10 claim 1 ,000 to 150 claim 1 ,000 ...

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Номер записи: 56
02-01-2020 дата публикации

OPTICALLY CLEAR RESIN COMPOSITION AND DISPLAY DEVICE INCLUDING THE SAME

Номер: US20200006698A1
Автор: Cho Yong Youl, YOU Jong Sung
Принадлежит:

An optically transparent adhesive resin composition includes an ester polymer which contains an ester bond within a repeating unit, a (meth)acrylic ester polymer which contains a (meth)acrylic ester bond within the repeating unit, a rubber polymer, and a crystalline polymer. 1. An optically transparent adhesive resin composition , comprising:an ester polymer comprising an ester bond within a repeating unit;a (meth)acrylic ester polymer comprising a (meth)acrylic ester bond within the repeating unit;a rubber polymer; anda crystalline polymer.2. The optically transparent adhesive resin composition of claim 1 , wherein the crystalline polymer comprises at least one of polypropylene claim 1 , syndiotatic polystyrene claim 1 , polyamide claim 1 , polycaprolactone claim 1 , polycarbonate-diol claim 1 , polyethylene terephthalate (PET) claim 1 , polyphenylene sulfide claim 1 , polybutylene terephthalate (PBT) claim 1 , polyarylate (PAR) claim 1 , poly(DPAA) claim 1 , polyether imide (PEI) claim 1 , polyacetal claim 1 , and polyoxymethylene (POM).3. The optically transparent adhesive resin composition of claim 1 , wherein:the ester polymer has a molecular weight in a range of 3000 to 6000;the rubber polymer has a molecular weight in a range of 2000 to 6000; andthe crystalline polymer has a molecular weight in a range of 4000 to 6000.4. The optically transparent adhesive resin composition of claim 1 , wherein:a content of the ester polymer is in a range of 20 wt % to 40 wt % based on a total weight of the composition;a content of the (meth)acrylic ester polymer is in a range of 10 wt % to 35 wt % based on the total weight of the composition;a content of the rubber polymer is in a range of 14 wt % to 35 wt % based on the total weight of the composition; anda content of the crystalline polymer is in a range of 4 wt % to 53 wt % based on the total weight of the composition.5. The optically transparent adhesive resin composition of claim 4 , wherein the crystalline polymer is in ...

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Номер записи: 57
12-01-2017 дата публикации

WATERBORNE POLYMERS FOR HEAT SEAL ADHESIVE

Номер: US20170009111A1
Автор: Bauer Leander H., Fish William, Horvath Stephan A., Hsu Shui-Jen Raymond, Stanislawczyk Vic
Принадлежит:

This invention relates to a heat sealable adhesive composition for packaging for moderate to high moisture food products. The adhesive comprises latex in water with a minimum film formation temperature near or below 25° C. and an ethylene-vinyl acetate copolymer dispersion in water, blocking resistance up to 50° C., heat seal-ability under reasonable conditions of contact time, temperature and pressure, good adhesive properties, and approval for food contact. 1. A waterborne polymer comprising a least one acrylic emulsion copolymer(s) A and dispersion of ethylene-vinyl acetate copolymer B , wherein said copolymer(s) A comprises an acrylic emulsion copolymer(s) having a minimum film formation temperature below 25° C. , said acrylic emulsion copolymer(s) comprising:{'sub': 1', '3, '(a1) about 10-50 wt. % of repeating units from styrene and/or C-C-alkyl substituted styrene,'}{'sub': 1', '12, '(a2) about 50-90 wt. % of repeating units from C-Cesters of (meth or eth) acrylic monomers,'}(a3) about 0.0-5 wt. % of repeating units from acid functional monomers repeating units (preferably acrylic, methacrylic acids),(a4) about 0-10% of acrylonitrile and/or methacrylonitrile repeating units, and(a5) about 0-20 wt. % of repeating units from other co-polymerizable monomers (other than al-a4) based on the weight of polymer A, andwherein said dispersion of ethylene-vinyl acetate copolymer B comprises a dispersion of ethylene-vinyl acetate copolymer in a liquid media with a minimum film formation temperature of at least 60° C., said copolymer B comprising:(b1) about 50-95 wt. % ethylene repeating units,(b2) about 5-50 wt. % vinyl acetate repeating units, and(b3) about 0-5 wt. % repeating units from other co-monomers based on the weight of polymer B andsaid copolymer(s) A and copolymer B being present in weight ratios of 95:5 to 40:60.2. A waterborne polymer according to claim 1 , wherein said acrylic emulsion copolymer further comprises 0.2-3 wt. % of N-methylol (meth)acrylamide ...

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Номер записи: 58
14-01-2016 дата публикации

ADHESIVE FILM FOR DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

Номер: US20160009956A1
Автор: HWANG Hyeon Deuk
Принадлежит:

An adhesive film for a display device may include an upper release film, a lower release film facing the upper release film, and a photocurable adhesive interposed between the upper and lower release films. The photocurable adhesive may include a first area having a predetermined shape and a second area having a different storage modulus from the first area. 1. An adhesive film for a display device , comprising:an upper release film;a lower release film facing the upper release film; anda photocurable adhesive interposed between the upper and lower release films,wherein the photocurable adhesive comprises a first area having a predetermined shape and a second area having a different storage modulus from the first area.2. The adhesive film for a display device of claim 1 , wherein the upper and lower release films are a plastic film made of one of polyimide claim 1 , polyethylene terephthalate (PET) claim 1 , polyethylene naphthalate (PEN) claim 1 , polyethersulfone (PES) claim 1 , nylon claim 1 , polytetrafluoroethylene (PTFE) claim 1 , polyetheretherketone (PEEK) claim 1 , polycarbonate claim 1 , and polyarylate.3. The adhesive film for a display device of claim 1 , wherein the photocurable adhesive comprises an acrylic polymer and a photocurable compound.4. The adhesive film for a display device of claim 3 , wherein the acrylic polymer is an alkyl acrylate monomer selected from the group consisting of methyl acrylate claim 3 , ethyl acrylate claim 3 , propyl acrylate claim 3 , butyl acrylate claim 3 , pentyl acrylate claim 3 , hexyl acrylate claim 3 , octyl acrylate claim 3 , lauryl acrylate claim 3 , and tetradecyl acrylate.5. The adhesive film for a display device of claim 3 , wherein the acrylic polymer may further comprise an acrylic-acid based compound.6. The adhesive film for a display device of claim 3 , wherein the photocurable compound may further comprise a photocurable monomer and a photocurable oligomer.7. The adhesive film for a display device of ...

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Номер записи: 59
14-01-2016 дата публикации

MULTILAYER PRESSURE SENSITIVE ADHESIVE

Номер: US20160009957A1
Автор: Griffith, JR. William B., Lane Melissa
Принадлежит: Rohm and Haas Company

Provided is a pressure sensitive adhesive article comprising 1. A pressure sensitive adhesive article comprising(a) a substrate (Sa),(b) in contact with said substrate (Sa), a layer (Lb) of a composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of −10° C. or lower, and(c) in contact with said layer (Lb), a layer (Lc) of a composition (Cc) that comprises one or more acrylic polymer (POLc) that comprises 20% to 90% polymerized units of one or more high-aliphatic vinyl monomer, by weight based on the weight of said polymer (POLc).2. The article of claim 1 , wherein said one or more high-aliphatic vinyl monomer comprises one or more (meth)acrylate monomer.3. The article of claim 1 , wherein said acrylic polymer (POLb) comprises polymerized units of n-butyl acrylate claim 1 , iso-octyl acrylate claim 1 , or a mixture thereof.4. A bonded article made by a process of contacting a substrate (Sd) with the article of claim 1 , wherein said substrate (Sd) is in contact with said layer (Lc). Pressure sensitive adhesives (PSAs) that contain acrylic polymers have many desirable characteristics. For example, they generally have better resistance to chemical reagents and UV light than PSAs made from many other materials. It is often desired to provide a PSA that bonds well to polyolefin substrates. There is a need for PSAs that contain acrylic polymer, that show good adhesion to polyolefin substrates, and that have a relatively low amount of polymerized units of high-aliphatic vinyl monomer.Eric Bartholomew, in “Acrylic Pressure Sensitive Adhesives Exhibiting Enhanced Adhesion to Low Surface Energy Substrates” (presented at the Pressure Sensitive Tape Council conference Tech 34 in 2011) teaches PSAs that have polymerized units of low solubility parameter Tg modifying monomers.The following is a statement of the invention.A first aspect of the present invention is a pressure sensitive adhesive article comprisingA second aspect of the present invention is a ...

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Номер записи: 60
11-01-2018 дата публикации

ACRYLIC ADHESIVE SHEET, MEDICAL ADHESIVE TAPE, AND METHOD FOR MANUFACTURING THE SAME

Номер: US20180010019A1
Автор: CHOI Tae-Yi, Han Jeong-In, Kim Dan-A, Kim Jang-Soon, YANG Ji-Yeon, Yue Seong-Hoon
Принадлежит: LG CHEM, LTD.

Provided are: an acrylic adhesive sheet having a porous structure including a plurality of pores and having a water vapor transmission rate of 2,000 g/m·24 h to 3,500 g/m·24 h at 24° C. and 25% RH, and a porosity of 10% to 60%; and a medical adhesive tape including the same. 1. An acrylic adhesive sheet having a porous structure comprising a plurality of pores and having a water vapor transmission rate of 2 ,000 g/m·24 h to 3 ,500 g/m·24 h at 24° C. and 25% RH , and a porosity of 10% to 60%.2. The acrylic adhesive sheet of claim 1 , wherein the pores have an average size of 500 nm to 100 μm.3. The acrylic adhesive sheet of claim 1 , wherein the acrylic adhesive sheet has a thickness of 10 μm to 100 μm.4. The acrylic adhesive sheet of claim 1 , wherein the acrylic adhesive sheet is formed to have the porous structure by carrying out foaming and thermal curing on an aqueous acrylic adhesive composition.5. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises at least one selected from the group consisting of an acrylic resin claim 4 , a surfactant claim 4 , a thermal foaming agent claim 4 , water claim 4 , other additives claim 4 , and a combination thereof.6. The acrylic adhesive sheet of claim 5 , wherein the aqueous acrylic adhesive composition further comprises or does not further comprise a separate cross-liking agent.7. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises the acrylic resin in an amount of 40 wt % to 70 wt %.8. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises a surfactant in an amount of 1 wt % to 10 wt %.9. The acrylic adhesive sheet of claim 8 , wherein the surfactant comprises at least one selected from the group consisting of a cationic surfactant claim 8 , an anionic surfactant claim 8 , an amphoteric surfactant claim 8 , a non-ionic surfactant claim 8 , and a combination thereof.10. The acrylic ...

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Номер записи: 61
11-01-2018 дата публикации

OPTICAL STACK COMPRISING ADHESIVE

Номер: US20180011228A1
Автор: Carter Brandt K., Edmonds William F., Petaja Jason S.
Принадлежит:

Presently described are optical stacks comprising a first optical film comprising a plurality of structures comprising an optically active portion designed primarily to provide optical gain and optionally an optically in-active bonding portion disposed on a first surface bonded to a second optical film with a light-transmissive adhesive layer such that a portion of the structures penetrate the adhesive layer and a separation is provided between the adhesive layer and the first surface. In one embodiment, the optical stacks exhibit a combination of high peel strength and high retained brightness, particularly after aging. The adhesive layer preferably comprises an interpenetrating network of the reaction product of a polyacrylate component and a polymerizable monomer and the adhesive layer has an elastic modulus ranging from 100 to 2000 MPa at 25° C. 1. An optical stack comprising a first optical film comprising a plurality of structures comprising an optically active portion designed primarily to provide optical gain bonded to a second optical film with a light-transmissive adhesive layer such that a portion of the structures penetrate the adhesive layer and a separation is provided between the adhesive layer and the first surface , wherein the adhesive layer comprises an interpenetrating network of the reaction product of a polyacrylate component and a polymerizable monomer having functional groups and a molecular weight less than 150 g/mole per functional group , the peel strength of the optical stack is at least 50 grams force/inch and the stack exhibits a decrease in optical gain of no greater than 5% when the optical stack is conditioned at 65° C. and 95% relative humidity for 200 hours.2. An optical stack comprising a first optical film comprising a plurality of structures disposed on a first surface bonded to a second optical film with a light-transmissive adhesive layer such that a portion of the structures penetrate the adhesive layer defining an average ...

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Номер записи: 62
03-02-2022 дата публикации

Flexible Release Articles And Methods For Making Same

Номер: US20220033691A1
Автор: Clark John C., Imbertson James R., Mueller Mark E., Seth Jayshree, Spagnola Joseph C., Vogel Dennis E., Vogel Kim M.
Принадлежит:

An article comprising a flexible polymer substrate having two major surfaces, a surface layer comprising metal, metal oxide, silicon flexible polymer substrate; and a coating disposed on at least one surface layer, wherein the coating comprises a fluorinated polymer bonded to the surface layer; wherein the fluorinated polymer has the following general formula (I), where n=6 to 120; and where n=6 to 120; and where m=1 to 25 (R1); (R2); or where m=1 to 25 (R3). 2. The article of wherein a surface layer is disposed on both major surfaces of the flexible polymer substrate and a coating is disposed on both surface layers.3. The article of wherein the thickness of the surface layer is a monolayer to about 15 nanometers.4. The article of wherein the surface layer is selected from the group consisting of aluminum claim 1 , titanium claim 1 , nickel claim 1 , chromium claim 1 , chromium-containing alloys claim 1 , aluminum oxide claim 1 , chromium oxide claim 1 , nickel oxides claim 1 , titanium oxide claim 1 , tungsten oxides claim 1 , silicon oxide claim 1 , and combinations thereof.5. The article of wherein the mean average thickness per unit area of the coating is about 1 molecule thick.6. The article of wherein at least one major surface of the flexible polymer substrate has a surface roughness (Ra) of at most 0.1 micrometers7. The article of wherein at least one major surface of the flexible polymer substrate has a surface roughness (Ra) of at least 5 micrometers.8. The article of wherein the surface roughness is created by a layer of partially embedded microspheres.9. The article of claim 1 , wherein the fluorinated polymer includes polymers for which n=36 to 42.13. The article of claim 1 , wherein the coating has been heat treated.14. The article of claim 1 , wherein an adhesive layer is disposed on the coating.15. The article of claim 14 , wherein the adhesive is an acrylate adhesive.16. The article of claim 1 , wherein the article is an adhesive release liner.17. ...

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Номер записи: 63
15-01-2015 дата публикации

Adhesive sheet

Номер: US20150017373A1
Автор: Hiromitsu Maruyama, Masami Aoyama
Принадлежит: Furukawa Electric Co Ltd

The adhesive sheet 10 wound into a roll includes: a long release film 11 ; an adhesive layer 12 provided in a label form on the release film 11 ; and a pressure-sensitive adhesive film 13 having a label part 13 a covering the adhesive layer 12 and provided so as to be in contact with the release film 11 around the adhesive layer 12 and a peripheral part 13 b surrounding an outside of the label part 13 a , wherein a through hole 14 penetrating the pressure-sensitive adhesive film 12 is provided in a place that is outside a portion corresponding to a part c of the adhesive layer 12 intended to be attached to an adherend and inside the label part 13 a and that includes a part R of the pressure-sensitive adhesive film 13 intended to be attached to an adherend.

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Номер записи: 64
15-01-2015 дата публикации

ADHESIVE SHEET

Номер: US20150017374A1
Автор: AOYAMA Masami, Maruyama Hiromitsu
Принадлежит: FURUKAWA ELECTRIC CO., LTD.

An adhesive sheet wound into a roll includes: a long release film ; an adhesive layer provided in a label form on the release film ; and a pressure-sensitive adhesive film having a label part covering the adhesive layer and provided so as to be in contact with the release film around the adhesive layer and a peripheral part surrounding an outside of the label part , wherein a through hole penetrating the release film is provided in a place including a portion corresponding to an outside of a part of the adhesive layer intended to be attached to an adherend and an inside of the label part 1. An adhesive sheet wound into a roll , comprising:a long release film;an adhesive layer provided in a label form on the release film; anda pressure-sensitive adhesive film having a label part covering the adhesive layer and provided so as to be in contact with the release film around the adhesive layer and a peripheral part surrounding an outside of the label part, whereina through hole penetrating the release film is provided in a place including a portion corresponding to an outside of a part of the adhesive layer intended to be attached to an adherend and an inside of the label part.2. The adhesive sheet according to claim 1 , wherein a difference in linear expansion coefficient between the release film and the pressure-sensitive adhesive film is 250 ppm/K or less.3. The adhesive sheet according to claim 1 , wherein the through hole is provided within an area of ±60° or less around a center of the adhesive layer with respect to a straight line passing through the center of the adhesive layer and perpendicular to a longitudinal direction of the release film.4. The adhesive sheet according to claim 1 , comprising a support member provided outside the label part of the pressure-sensitive adhesive film along the longitudinal direction.5. The adhesive sheet according to claim 1 , wherein the adhesive layer has a planar shape corresponding to an adherend to which the adhesive layer ...

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Номер записи: 65
15-01-2015 дата публикации

ADHESIVE SHEET

Номер: US20150017375A1
Автор: AOYAMA Masami, Maruyama Hiromitsu
Принадлежит: FURUKAWA ELECTRIC CO., LTD.

The adhesive sheet wound into a roll includes: a long release film; an adhesive layer provided in a label form on the release film; and a pressure-sensitive adhesive film having a label part covering the adhesive layer and provided so as to be in contact with the release film around the adhesive layer and a peripheral part surrounding an outside of the label part, wherein a through hole penetrating the pressure-sensitive adhesive film is provided outside a portion corresponding to a part of the adhesive layer intended to be attached to an adherend and inside the label part, and wherein outer circumference of the adhesive layer×1/43≦maximum width of the through hole×number of the through holes per label part of the pressure-sensitive adhesive film≦outer circumference of the adhesive layer is satisfied. 1. An adhesive sheet wound into a roll , comprising:a long release film;an adhesive layer provided in a label form on the release film;and a pressure-sensitive adhesive film having a label part covering the adhesive layer and provided so as to be in contact with the release film around the adhesive layer and a peripheral part surrounding an outside of the label part,wherein a through hole penetrating the pressure-sensitive adhesive film is provided outside a portion corresponding to a part of the adhesive layer intended to be attached to an adherend and inside the label part, and wherein outer circumference of the adhesive layer×1/43≦maximum width of the through hole×number of the through holes per label part of the pressure-sensitive adhesive film≦outer circumference of the adhesive layer is satisfied.2. The adhesive sheet according to claim 1 , wherein the number of the through holes per label part of the pressure-sensitive adhesive film is 1 or more but 400 or less.3. The adhesive sheet according to claim 1 , wherein the maximum width of the through hole is 0.01 mm or more but 50 mm or less.4. The adhesive sheet according to claim 1 , wherein the adhesive layer has ...

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Номер записи: 66
19-01-2017 дата публикации

2-cyanoacrylate adhesive composition

Номер: US20170015813A1
Автор: Kenichi Ishizaki, Yushi Ando
Принадлежит: TOAGOSEI CO LTD

An adhesive composition is provided which is excellent in adhesion rate on non-polar hard-to-bond materials and bond gap curability, and further is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the following general formula (1): n C + A − n -X  (1) wherein, in formula (1), C + represents an onium cation, A − represents at least one anion selected from the group consisting of —SO 3 − , —OSO 3 − and a specific imide anion, X represents a linking group which connects at least two anions together, and n is an integer of 2 or more.

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Номер записи: 67
19-01-2017 дата публикации

AQUEOUS ADHESIVE COMPOSITION

Номер: US20170015879A1
Автор: Xue Yin, Yang Miao
Принадлежит: Rohm and Haas Company

Provided is an aqueous adhesive composition comprising a polymer that comprises (a) polymerized units of one or more alkyl (meth)acrylate monomer, (b) polymerized units of acrylic acid or methacrylic acid or a mixture thereof, (c) polymerized units of one or more dialkyl diester of itaconic acid, and (d)polymerized units of one or more other monomer. 1. An aqueous adhesive composition comprising a polymer that comprises(a) 80% to 99% by weight, based on the dry weight of said polymer, polymerized units of one or more alkyl (meth)acrylate monomer,(b) 0.1% to 10% by weight, based on the dry weight of said polymer, polymerized units of acrylic acid or methacrylic acid or a mixture thereof,(c) 0.1% to 15% by weight, based on the dry weight of said polymer, polymerized units of one or more dialkyl diester of itaconic acid, and(d) 0% to 20% by weight, based on the dry weight of said polymer, polymerized units of one or more other monomer.3. The composition of claim 1 , wherein said polymer has weight-average molecular weight of 70 claim 1 ,000 to 300 claim 1 ,000.4. The composition of claim 1 , wherein said polymer has glass transition temperature of −30° C. or lower. Adhesive compositions are useful for a wide variety of purposes. One useful class of adhesive compositions is pressure sensitive adhesives (PSAs). It would be desirable if a PSA had both a high value of tack and also had excellent shear performance However, in the past, it has generally been observed that when a PSA had high tack, it had less than desirable shear performanceUS 2013/0065070 describes an aqueous emulsion that contains a vinyl polymer obtainable from itaconate ester monomers, a process for making such aqueous emulsion, a coating obtained from the aqueous emulsion, and the coated substrate. The vinyl polymer disclosed by US 2013/0065070 contains 45 to 99 wt % of itaconate ester monomers. It is desired to provide an adhesive composition that maintains an acceptable level of shear performance and ...

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Номер записи: 68
19-01-2017 дата публикации

ADHESIVE FILM, OPTICAL MEMBER INCLUDING THE SAME, AND OPTICAL DISPLAY INCLUDING THE SAME

Номер: US20170015880A1
Автор: CHO Ik Hwan, Hamada Kenji, Hwang In Chul, Kim Il Jin, KIM Ji Ho, KIM Yong Tae, Kwak Byeong Do, Lee Woo Jin, Moon Hyung Rang
Принадлежит:

An adhesive film, an optical member including the same, and an optical display including the same are disclosed. The adhesive film has a folding evaluation parameter 1 of about 900% to about 1,300% at 25° C., as calculated by Equation 1 and a folding evaluation parameter 2 of about 40% to about 95% at 60° C., as calculated by Equation 2, and includes a hydroxyl group-containing (meth)acrylic copolymer. 1. An adhesive film comprising: [{'br': None, 'i': X', 'X, 'sub': 1', '0, 'Folding evaluation parameter 1=()/()×100\u2003\u2003Equation 1'}, {'br': None, 'i': X', 'X, 'sub': 2', '3, 'Folding evaluation parameter 2=(1−()/())×100\u2003\u2003Equation 2'}], 'a hydroxyl group-containing (meth)acrylic copolymer, the adhesive film having a folding evaluation parameter 1 of about 900% to about 1,300% at 25° C., as calculated by Equation 1 and a folding evaluation parameter 2 of about 40% to about 95% at 60° C., as calculated by Equation 2,'}{'sub': 1', '3', '0, 'wherein, in Equation 1, Xis a stretched length in μm of the adhesive film upon application of 90 kPa to the adhesive film during pulling the adhesive film at a speed of 300 mm/min to a length Xin μm of 1,000% of X, an initial thickness thereof in μm,'}{'sub': 2', '3', '0', '3, 'wherein, in Equation 2, Xis a stretched length in μm of the adhesive film after stretching the adhesive film to the length Xin μm of 1,000% of the initial thickness Xthereof, maintaining the adhesive film at the length Xfor 10 seconds, and restoring the adhesive film to the unloaded state at the speed of 300 mm/min, and'}{'sub': 1', '2', '3', '3', '0', '3, 'wherein X, X, and Xare obtained using a specimen prepared by attaching two polyethylene terephthalate (PET) films to each other via the adhesive film such that two respective ends of the PET films are attached to each other by the adhesive film in the order of a first end of one PET film/the adhesive film/a second end of the other PET film such that the specimen has a contact area of 20 mm× ...

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Номер записи: 69
21-01-2016 дата публикации

Adhesive Composition, Adhesive Sheet And Production Process For Semiconductor Device

Номер: US20160017188A1
Автор: Ichikawa Isao, Saiki Naoya, Shizuhata Hironori, Yamazaki Osamu
Принадлежит:

An adhesive composition is described, which includes an acrylic polymer, an epoxy thermosetting resin having an unsaturated hydrocarbon group, and a thermosetting agent. 112-. (canceled)14. The adhesive composition according to claim 13 , wherein the epoxy thermosetting resin having an unsaturated hydrocarbon group is a resin having an aromatic ring.15. An adhesive sheet comprising a base material and claim 13 , formed thereon claim 13 , an adhesive layer comprising the adhesive composition of .16. The adhesive sheet of claim 15 , wherein the epoxy thermosetting resin having an unsaturated hydrocarbon group is a resin having an aromatic ring.19. The adhesive composition according to claim 13 , wherein the thermosetting agent is selected from (i) the resin represented by Formula (7) claim 13 , and (ii) optionally at least one of the resins represented by Formulas (8) claim 13 , (9) claim 13 , and (10).20. The adhesive composition according to claim 13 , wherein the thermosetting agent is selected from (i) the resin represented by Formula (8) claim 13 , and (ii) optionally at least one of the resins represented by Formulas (7) claim 13 , (9) claim 13 , and (10).21. The adhesive composition according to claim 13 , wherein the thermosetting agent is selected from (i) the resin represented by Formula (9) claim 13 , and (ii) optionally at least one of the resins represented by Formulas (7) claim 13 , (8) claim 13 , and (10).22. The adhesive sheet according to claim 15 , wherein the thermosetting agent is selected from (i) the resin represented by Formula (7) claim 15 , and (ii) optionally at least one of the resins represented by Formulas (8) claim 15 , (9) claim 15 , and (10).23. The adhesive sheet according to claim 15 , wherein the thermosetting agent is selected from (i) the resin represented by Formula (8) claim 15 , and (ii) optionally at least one of the resins represented by Formulas (7) claim 15 , (9) claim 15 , and (10).24. The adhesive sheet according to claim ...

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Номер записи: 70
16-01-2020 дата публикации

ADHESIVE COMPOSITION AND METHOD FOR PREPARING SAME

Номер: US20200017730A1
Автор: Choi Su Jin, HWANG Ji Ho, LEE Chang Suk, Moon Jun Ok, Moon Sang Gwon, YANG Young Lyeol
Принадлежит:

Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition. 1. An adhesive composition comprising lysine , itaconic acid , and water ,wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt and do not form precipitates in the aqueous solution.2. The adhesive composition of claim 1 , wherein the precipitates are precipitates of the lysine and the itaconic acid.3. The adhesive composition of claim 1 , wherein a mixing molar ratio of the lysine to the itaconic acid is adjusted such that precipitates of the lysine and the itaconic acid are not formed in the adhesive composition.4. The adhesive composition of claim 3 , wherein the mixing molar ratio of the lysine to the itaconic acid is from 2.3:1 to 1:1.5.5. The adhesive composition of claim 1 , wherein a solid content of the adhesive composition is equal to or less than 70 parts by weight based on a total weight of the adhesive composition.6. The adhesive composition of claim 1 , further comprising at least one solvent selected from a primary alcohol claim 1 , a polyhydric alcohol claim 1 , a diol claim 1 , and a triol.7. The adhesive composition of claim 6 , wherein the alcohol comprises: at least one monohydric alcohol selected from methanol claim 6 , ethanol claim 6 , propane-2-ol claim 6 , butane-1-ol claim 6 , pentane-1ol claim 6 , and hexadecane-1-ol; at least one ...

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Номер записи: 71
22-01-2015 дата публикации

Low Temperature Curable Adhesive Compositions

Номер: US20150020965A1
Автор: Hibben Quentin Lewis
Принадлежит: Simpson Strong-Tie Company. Inc.

The present disclosure is concerned with improved curable adhesive compositions for anchoring elements in a structural body that exhibit low temperature versus standard temperature degree of cures that are at least 50% or higher. The compositions include, in a first portion, a reactive resin, an acetoacetoxy functional monomer and a silane monomer. By using phthalate-free constituents in the formulation, a further 10% increase in strength and durability of the resins at standard temperatures may be realized after curing at low temperatures. Improvements in the adhesive compositions that relate to increased shelf life are also presented. 1. An improved curable adhesive composition , comprising:a. at least one reactive resin comprising a polymerizable monomer;b. at least one acetoacetoxy functional monomer;c. at least one silane monomer;d. a free radical initiator; ande. an accelerant;in which the free radical initiator comprises dibenzoyl peroxide and at least one additional component selected from among anti-oxidants, stabilizers, non-reactive diluents, plasticizers, and combinations of any of the foregoing; and the accelerant is selected from the group consisting of N,N-diisopropanol-p-toluidine, N,N-dihydroxyethyl-p-toluidine, N,N-methylhydroxyethyl-p-toluidine, and mixtures thereof.2. The adhesive composition of claim 1 , wherein the strength of the adhesive at 23° C. after cure at −10° C. compared to the strength of the adhesive at 23° C. after cure at 23° C. is greater than 50% claim 1 , preferably greater than 60% claim 1 , more preferably greater than 70% and most preferably greater than 80%.3. The adhesive composition of having a first shelf life before cure claim 1 , wherein the first shelf life is greater than a second shelf life before cure of a comparable curable adhesive composition that does not include the non-reactive diluent claim 1 , the plasticizer or both the non-reactive diluent and plasticizer.4. The adhesive composition of claim 3 , wherein ...

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Номер записи: 72
16-01-2020 дата публикации

POLARIZING FILM WITH ADDED ADHESIVE LAYER, POLARIZING FILM WITH ADDED ADHESIVE LAYER FOR IN-CELL LIQUID CRYSTAL PANEL, IN-CELL LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE

Номер: US20200019013A1
Автор: Fujita Masakuni, Toyama Yusuke
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive layer attached polarizing film provided with a pressure-sensitive adhesive layer and a polarizing film is disclosed wherein the pressure-sensitive adhesive layer attached polarizing film is provided with the polarizing film, an anchor layer, and the pressure-sensitive adhesive layer in this order; the, anchor layer includes a conductive polymer; the pressure-sensitive adhesive layer includes an antistatic agent; the anchor layer has a thickness of from 0.01 to 0.5 μm and a surface resistance value of from 1.0×10to 1.0×10Ω/□; the adhesive layer has a thickness of 5 to 100 μm and a surface resistance of from 1.0×10to 1.0×10Ω/□; and the ratio (b/a) of the variation in the surface resistance value on the side of the pressure-sensitive adhesive layer before and after humidification is 5 or less. 2. The pressure-sensitive adhesive layer attached polarizing film according to claim 1 , wherein the antistatic agent is an ionic compound having an inorganic cation.3. The pressure-sensitive adhesive layer attached polarizing film according to claim 2 , wherein the ionic compound contains a fluorine-containing anion.4. A pressure-sensitive adhesive layer attached polarizing film for an in-cell type liquid crystal panel claim 2 , which comprises an in-cell type liquid crystal cell that is provided with a liquid crystal layer comprising liquid crystal molecules which are homogeneously aligned in the absence of an electric field claim 2 , a first transparent substrate and a second transparent substrate sandwiching the liquid crystal layer on both sides claim 2 , and a touch sensing electrode unit related to a touch sensor and touch-driven functions disposed between the first transparent substrate and the second transparent substrate claim 2 , wherein:the pressure-sensitive adhesive layer attached polarizing film is disposed on a viewing side of the in-cell type liquid crystal cell;the pressure-sensitive adhesive layer of the pressure-sensitive adhesive ...

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Номер записи: 73
22-01-2015 дата публикации

METHOD OF PRODUCING A SELF-ADHESIVE TAPE HAVING A LAYER OF PHOTOINITIATOR-FREE PRESSURE-SENSITIVE ACRYLATE HOTMELT ADHESIVE

Номер: US20150024132A1
Автор: BRANDES Kay, HANSEN Sven, SPEER Jorg, Zöllner Stephan
Принадлежит:

The invention describes a double-sided, carrierless self-adhesive tape which can be used in particular for achieving very durable adhesive bonding of a variety of articles. This double-sided, carrierless self-adhesive tape is composed of a homogeneously crosslinked pressure-sensitive acrylate hotmelt composition of single-layer construction, which may have been lined with release materials such as siliconized release papers or release films. The double-sided, carrierless pressure-sensitive adhesive tape is characterized in that it is composed of a photoinitiator-free, thermally homogeneously crosslinked acrylate hotmelt which is crosslinked predominantly by way of urethane units. It is notable in particular for the fact that it is homogeneously chemically crosslinked through the layer and, in contrast to acrylate layers crosslinked by radiation (UV/EBC), does not exhibit any profile of crosslinking through the layer. It can be used in particular as an adhesive transfer tape for the permanent attachment of articles to a variety of substrates. 16-. (canceled)7. A method of producing a self-adhesive tape having at least one layer of a photoinitiator-free pressure-sensitive acrylate hotmelt adhesive , in which at least one crosslinker is added in the melt to a polyacrylate copolymer (“polyacrylate”) based on acrylic esters and/or methacrylic esters , and the polyacrylate with the crosslinker added is conveyed to a coating unit , where coating takes place onto a temporary carrier material and crosslinking takes place after coating , wherein the crosslinker is a thermal crosslinker and a part of the acrylic esters and/or methacrylic esters contains primary hydroxyl groups.8. The method of claim 7 , wherein the thermal crosslinker is added in an extruder.9. The method of claim 7 , wherein said at least one thermal crosslinker is at least one isocyanate.10. The method of claim 7 , wherein the temperature of the polyacrylate when the thermal crosslinker is added is between ...

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Номер записи: 74
22-01-2015 дата публикации

REMOVABLE WATER-DISPERSIBLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL COMPONENT

Номер: US20150024199A1
Автор: Amano Tatsumi, Mitsui Kazuma, Morimoto Yu
Принадлежит:

There is provided a removable water-dispersible pressure-sensitive adhesive composition to form a pressure-sensitive adhesive layer of a pressure-sensitive adhesive sheet capable of exhibiting good curl regulatability. There are also provided a pressure-sensitive adhesive sheet capable of exhibiting good curl regulatability, and an optical component having the pressure-sensitive adhesive sheet laminated thereon. The removable water-dispersible pressure-sensitive adhesive composition according to the present invention forms a pressure-sensitive adhesive layer of a pressure-sensitive adhesive sheet having an initial curl height of not less than 20 mm as determined by a curl test, and a difference in curl height of not more than 10 mm as determined by the curl test. The pressure-sensitive adhesive sheet according to the present invention has a pressure-sensitive adhesive layer formed of the removable water-dispersible pressure-sensitive adhesive composition. The optical component according to the present invention has the pressure-sensitive adhesive sheet laminated thereon. 1. A removable water-dispersible pressure-sensitive adhesive composition , forming a pressure-sensitive adhesive layer of a pressure-sensitive adhesive sheet , wherein the pressure-sensitive adhesive sheet has an initial curl height of not less than 20 mm as determined by the following curl test , and a difference in curl height of not more than 10 mm as determined by the following curl test ,the curl test being such that:the pressure-sensitive adhesive layer of 20 μm in thickness of the removable water-dispersible pressure-sensitive adhesive composition is formed on one surface of a polyethylene terephthalate base material of 38 μm in thickness to thereby obtain a pressure-sensitive adhesive sheet for the test having the pressure-sensitive adhesive layer on the one surface of the polyethylene terephthalate base material;the pressure-sensitive adhesive sheet for the test is laminated on a triacetyl ...

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Номер записи: 75
25-01-2018 дата публикации

PRESSURE-SENSITIVE ADHESIVES FOR BONDING FLEXIBLE PRINTING PLATES

Номер: US20180022140A1
Автор: Ellringmann Kai, KERBER KRISTIN, PÜTZ Benjamin
Принадлежит: TESA SE

Pressure-sensitive adhesives and methods, for bonding flexible printing plates, comprising at least one adhesive component comprising at least one polymer component based on a monomer mixture comprising at least one of the following monomers: at least one acrylic ester; at least one methacrylic ester; acrylic acid; and methacrylic acid. The pressure-sensitive adhesives further comprise 1 to 30 wt %, based on the overall blend of the at least one adhesive component without solvent, of a polyvinyl acetate. 1. A method comprising: at least one acrylic ester;', 'at least one methacrylic ester;', 'acrylic acid; and', 'methacrylic acid,, 'bonding of one or more printing plates to at least one selected from one or more printing cylinders and one or more printing sleeves with a pressure-sensitive adhesive comprising at least one adhesive component comprising at least one polymer component based on a monomer mixture comprising at least one of the following monomerswherein the pressure-sensitive adhesive further comprises1 to 30 wt %, based on the overall blend of the at least one adhesive component without solvent, of a polyvinyl acetate.2. The method according to claim 1 , wherein the polyvinyl acetate has a molar mass Mof 10 claim 1 ,000 to 100 claim 1 ,000 g/mol.3. The method according to claim 1 , wherein the monomer mixture comprises at least the following monomers:a) 20 to 99.5 wt % of at least one first acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of <0° C.;b) 0 to 40 wt % of at least one second acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of >0° C.;c) 0.5 to 20 wt % of acrylic acid and/or methacrylic acid; andd) 0 to 25 wt % of further copolymerizable monomers, the quantity figures being based in each case on the monomer mixture.4. The method according to claim 1 , wherein the monomer mixture comprises at least the following monomers: [{'br': None, 'sub': 2', ' ...

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Номер записи: 76
26-01-2017 дата публикации

ADHESIVE COMPOSITION AND DISPLAY DEVICE

Номер: US20170022393A1
Автор: Kim Hyunjoong, Kim Youngkwan, Lee Jonggyu, Moon Sangeun, No Donghun, Park Jiwon
Принадлежит:

A display device includes: a display panel; a window on a surface of the display panel; and an adhesive layer between the display panel and the window, wherein the adhesive layer includes, with respect to a total weight of the adhesive composition: a binder in an amount of about 65 percent by weight (wt %) to about 80 wt %; a reactive monomer in an amount of about 15 wt % to about 25 wt %; a photopolymerization initiator in an amount of about 1 wt % to about 10 wt %; a thermal polymerization initiator in an amount of about 0.5 wt % to about 1 wt %; and a curing accelerator in an amount of about 0.1 wt % to about 0.5 wt %, wherein the curing accelerator includes a metallic acrylate. 1. An adhesive composition comprising , with respect to a total weight of the adhesive composition:a binder in an amount of about 65 percent by weight (wt %) to about 80 wt %;a reactive monomer in an amount of about 15 wt % to about 25 wt %;a photopolymerization initiator in an amount of about 1 wt % to about 10 wt %;a thermal polymerization initiator in an amount of about 0.5 wt % to about 1 wt %; anda curing accelerator in an amount of about 0.1 wt % to about 0.5 wt %,wherein the curing accelerator comprises a metallic acrylate.2. The adhesive composition of claim 1 , wherein the reactive monomer is a polymerizable acrylate-based compound comprising a methoxy group and/or an ethoxy group.3. The adhesive composition of claim 1 , wherein the reactive monomer comprises claim 1 , as a functional group that reacts with the photopolymerization initiator claim 1 , at least one selected from an acrylate having a carbon-carbon double bond claim 1 , a methacrylate group claim 1 , an allyl group claim 1 , an vinyl group claim 1 , an alkene group claim 1 , an alkyne group claim 1 , an oxirane group claim 1 , an oxetane group claim 1 , a lactam group claim 1 , and a furfuryl group.4. The adhesive composition of claim 1 , wherein the reactive monomer comprises claim 1 , as a functional group that ...

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Номер записи: 77
26-01-2017 дата публикации

ADHESIVE AGENT COMPOSITION FOR OPTICAL FILMS, ADHESIVE AGENT LAYER FOR OPTICAL FILMS, OPTICAL FILM HAVING ADHESIVE AGENT LAYER ATTACHED THERETO, AND IMAGE DISPLAY DEVICE

Номер: US20170022396A1
Автор: Fujita Masakuni, Kimura Tomoyuki, Toyama Yuusuke, YAMAMOTO Satoshi
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive composition comprising: a (meth)acryl-based polymer comprising (a1) 70% by weight or more of a monomer unit derived from an alkyl (meth)acrylate, (a2) 3 to 25% by weight of a monomer unit derived from an aromatic ring-containing (meth)acrylate, (a3) 0.1 to 8% by weight of a monomer unit derived from an amide group-containing monomer, (a4) 0.01 to 2% by weight of a monomer unit derived from a carboxyl group-containing monomer, and (a5) 0.01 to 3% by weight of a monomer unit derived from a hydroxyl group-containing monomer, the (meth)acryl-based polymer having a weight average molecular weight (Mw) of 1,000,000 to 2,500,000 and a weight average molecular weight (Mw)/number average molecular weight (Mn) ratio of 1.8 to 10; and a crosslinking agent, the pressure-sensitive adhesive composition containing 0.01 to 3 parts by weight of the crosslinking agent based on 100 parts by weight of the (meth)acryl-based polymer. 2. The pressure-sensitive adhesive composition for an optical film according to claim 1 , wherein the amide group-containing monomer (a3) is an N-vinyl group-containing lactam monomer.3. The pressure-sensitive adhesive composition for an optical film according to claim 1 , wherein the hydroxyl group-containing monomer (a5) is 4-hydroxybutyl (meth)acrylate.4. The pressure-sensitive adhesive composition for an optical film according to claim 1 , wherein the crosslinking agent (B) comprises at least one selected from an isocyanate crosslinking agent and a peroxide crosslinking agent.5. The pressure-sensitive adhesive composition for an optical film according to claim 4 , wherein the isocyanate crosslinking agent comprises an aliphatic polyisocyanate compound.6. The pressure-sensitive adhesive composition for an optical film according to claim 1 , further comprising (C) a silane coupling agent.7. The pressure-sensitive adhesive composition for an optical film according to claim 6 , wherein the silane coupling agent (C) has two or ...

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Номер записи: 78
25-01-2018 дата публикации

Pressure-sensitive adhesives for bonding flexible printing plates

Номер: US20180022974A1
Автор: Ellringmann Kai, GERBER Kristin
Принадлежит:

A pressure-sensitive adhesive comprising at least one adhesive component comprising at least one polymer component based on a monomer mixture comprising at least one of the following monomers: 1. A method of bonding printing plates , comprising applying a pressure-sensitive adhesive to a substrate , said pressure-sensitive adhesive comprising at least one adhesive component comprising at least one polymer component based on a monomer mixture comprising at least one of the following monomers:at least one acrylic esterat least one methacrylic ester-acrylic acidmethacrylic acidwherein the polymer component further comprises as monomer 5 to 25 wt % of vinyl acetate, the quantity figure(s) in each case being based on the monomer mixture.2. The method according to claim 1 , wherein the monomer mixture comprises at least the following monomers:a) 25 to 94.5 wt % of at least one acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of <0° C.;b) 0 to 40 wt % of at least one acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of >0° C.;c) 0.5 to 20 wt % of acrylic acid and/or methacrylic acid;d) 5 to 20 wt % of vinyl acetate;e) 0 to 20 wt % of further copolymerizable monomers,the quantity figures in each case being based on the monomer mixture.3. The method according to claim 1 , wherein the at least one polymer component comprises 5 to 20 wt % of acrylic acid claim 1 , the quantity figure(s) in each case being based on the monomer mixture.4. The method according to claim 1 , wherein the monomer mixture comprises at least the following monomers: [{'sub': 2', '1', '2, 'CH═C(R)(COOR), where'}, {'sub': 1', '2, 'R═H and Ris a linear alkyl radical having 2 to 10 carbon atoms or is a branched, non-cyclic alkyl radical having at least 4 carbon atoms, and/or'}, {'sub': 1', '3', '2, 'R═CHand Ris a linear alkyl radical having 8 to 10 carbon atoms or is a branched, non-cyclic alkyl radical having ...

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Номер записи: 79
25-01-2018 дата публикации

PRESSURE-SENSITIVE ADHESIVES FOR BONDING FLEXIBLE PRINTING PLATES

Номер: US20180022975A1
Автор: Ellringmann Kai, KERBER KRISTIN
Принадлежит: TESA SE

A pressure-sensitive adhesive comprising at least one adhesive component comprising at least one polymer component based on a monomer mixture comprising at least one of the following monomers: 2. Method according to claim 1 , wherein the at least one compound is selected from the group consisting of polyethylene(15)cocosamine claim 1 , ethoxylated(15)N-tallow-1 claim 1 ,3-diaminopropane claim 1 , oleylamine oxethylate claim 1 , benzyl-2-ethylhexyl adipate claim 1 , di-n-butyl adipate claim 1 , di-2-ethylhexyl adipate claim 1 , glycerol acetate claim 1 , dibutyl sebacate and di-(2-ethylhexyl)-sebacate.3. Method according to claim 1 , wherein the at least one compound is stearyl alcohol and is present in an amount of 1 to 15 wt % claim 1 , based on the overall blend of the at least one adhesive component without solvent.4. Method according to claim 1 , wherein the monomer mixture comprises at least the following monomers:a) 20 to 99.5 wt % of at least one acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of <0° C.;b) 0 to 40 wt % of at least one acrylic ester and/or methacrylic ester whose homopolymer has a static glass transition temperature of >0° C.;c) 0.5 to 20 wt % of acrylic acid and/or methacrylic acid;d) 0 to 25 wt % of further copolymerizable monomers, the quantity figures being based in each case on the monomer mixture.5. Method according to claim 1 , wherein the monomer mixture comprises at least the following monomers: [{'br': None, 'sub': 2', '1', '2, 'CH═C(R)(COOR), where'}, {'sub': 1', '2, 'R═H and Ris a linear alkyl radical having 2 to 10 carbon atoms or is a branched, non-cyclic alkyl radical having at least 4 carbon atoms, and/or'}, {'sub': 1', '3', '2, 'R═CHand Ris a linear alkyl radical having 8 to 10 carbon atoms or is a branched, non-cyclic alkyl radical having at least 10 carbon atoms;'}], 'i.a) 50-99.5 wt % of at least one acrylic ester and/or methacrylic ester having the following formula [{'br ...

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Номер записи: 80
10-02-2022 дата публикации

One-component sealant or adhesive composition

Номер: US20220041907A1
Автор: BRUCHMANN Bernd, Kaffee Achim, Langhanki Jens, Rudolf Peter, Thiel Indre, Walther Burkhard, Wurm Thomas
Принадлежит: BASF SE

A process prepares a prepolymer containing a urethane group and a curable silicon-functional group, or a prepolymer of formula (IV), 1: A process for preparing a prepolymer comprising a urethane group and a curable silicon-functional group , the process comprising:reacting a compound A) with a compound B), and optionally a compound C), under exclusion of water, to obtain the prepolymer comprising the urethane group and the curable silicon-functional group,wherein the compound A) comprises at least one five-membered cyclic monothiocarbonate group, andwherein the compound B) comprises at least one amino group, selected from the group consisting of primary amino groups, secondary amino groups, blocked primary amino groups, and blocked secondary amino groups, andwherein the compound C), if present, comprises at least one functional group that reacts with a group —SH,wherein at least one of the compounds A), B), and optionally C) comprises a silicon-functional group.3: The process according to claim 1 , wherein the compound B) comprises one to five amino groups.4: The process according to claim 1 , wherein the at least one functional group of compound C) that reacts with —SH is a non-aromatic claim 1 , ethylenically unsaturated group.5: The process according to claim 1 , wherein the compound B) or compound C) claim 1 , if present claim 1 , comprises the silicon-functional group.6: The process according to claim 1 , wherein the silicon-functional group is an alkoxysilane group of formula (III) claim 1 ,{'br': None, 'sup': 1s', '2s', '3s, '—SiRRR'}{'sup': 1s', '3s', '1s', '3s, 'wherein two or three of the groups Rto Rare an alkoxy group, and the remaining group Rto Ris an alkyl or alkylene-vinyl group.'}7: The process according to claim 1 , wherein at least one of the compounds A) claim 1 , B) claim 1 , or optionally C) comprises a segment selected from the group consisting of a polyether group and an organic polysulfide group.8: The process according to claim 1 , wherein ...

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Номер записи: 81
24-01-2019 дата публикации

OPTICAL ADHESIVE

Номер: US20190023947A1
Автор: Hennen Daniel W., Olson David B., Sitter Brett J., Tapio Scott M.
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

An optical adhesive including a viscoelastic or elastomeric adhesive layer and a cured polymer layer immediately adjacent the viscoelastic or elastomeric adhesive layer is described. The viscoelastic or elastomeric adhesive layer a refractive index less than 1.570 and the cured polymer layer has a refractive index of at least 1.570. An interface between the viscoelastic or elastomeric adhesive layer and the cured polymer layer is structured. The cured polymer layer has a storage modulus of at least 2000 MPa at 20° C. and a glass transition temperature of no more than 65° C. 1. An optical adhesive comprising:a first viscoelastic or elastomeric adhesive layer having a first refractive index less than 1.570 at a wavelength of 532 nm;a first cured polymer layer immediately adjacent the first viscoelastic or elastomeric adhesive layer, the first cured polymer layer having a second refractive index of at least 1.570 at a wavelength of 532 nm;wherein a first interface between the first viscoelastic or elastomeric adhesive layer and the first cured polymer layer is structured;wherein each of the first viscoelastic or elastomeric adhesive layer, and the first cured polymer layer are substantially transmissive;wherein the first cured polymer layer has a storage modulus of at least 2000 MPa at 20° C. and a glass transition temperature of no more than 65° C.2. The optical adhesive of claim 1 , wherein the second refractive index minus the first refractive index is at least 0.001 and less than 0.5.3. The optical adhesive of claim 1 , wherein the second refractive index minus the first refractive index is at least 0.005 and less than 0.5.4. The optical adhesive of claim 1 , wherein the first interface defines a grating having a peak to valley height h and a pitch and wherein h multiplied by a difference between the second and first refractive indices is in a range of 150 nm to 350 nm and the pitch is in a range of 2 micrometers to 50 micrometers.5. The optical adhesive of claim 1 ...

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Номер записи: 82
10-02-2022 дата публикации

PHOTORESPONSIVE COMPOUND

Номер: US20220043333A1
Автор: HORIGUCHI Haruo, NAKAI Yukiko, Nakamura Kazuaki, SHIBATA Toyoko, SUGAMA Kouji
Принадлежит:

Provided is a compound that is fluidized by light irradiation and reversibly non-fluidized, and is not significantly colored. 1. A photoresponsive compound represented by the following general formula (1) , the photoresponsive compound being fluidized by light irradiation and reversibly non-fluidized:{'br': None, 'General formula (1)'}{'br': None, 'sub': 1', '1', '2', '2, 'R—Z═Z—R\u2003\u2003[Chemical 1]'}{'sub': 1', '2', '1', '2, 'wherein Zand Zare N or CH, while Z≠Z,'}{'sub': '1', 'Rcontains an aromatic hydrocarbon structure,'}{'sub': '2', 'Rcontains an aromatic heterocyclic structure, and'}{'sub': '2', 'a hydrogen atom is bonded to at least one carbon atom bonded adjacent to a carbon atom in the aromatic heterocyclic structure bonded to the Z.'}2. The compound according to claim 1 , wherein the Ris a substituted or unsubstituted phenyl group claim 1 , naphthyl group claim 1 , anthracenyl group claim 1 , phenanthrenyl group claim 1 , pyrenyl group claim 1 , or biphenyl group.3. The compound according to claim 1 , wherein the Ris a substituted or unsubstituted thienyl group claim 1 , furanyl group claim 1 , pyrrolyl group claim 1 , pyrazolyl group claim 1 , imidazolyl group claim 1 , pyridyl group claim 1 , pyrimidinyl group claim 1 , pyrazinyl group claim 1 , triazinyl group claim 1 , benzothienyl group claim 1 , benzimidazolyl group claim 1 , indolyl group claim 1 , isoindolyl group claim 1 , quinolinyl group claim 1 , isoquinolinyl group claim 1 , quinazolinyl group claim 1 , quinoxalinyl group claim 1 , naphthyridinyl group claim 1 , acridinyl group claim 1 , carbazolyl group claim 1 , or dibenzothienyl group.4. The compound according to claim 1 , wherein at least one of the Rand the Rhas at least one substituent selected from the group consisting of a halogen group claim 1 , a cyano group claim 1 , a nitro group claim 1 , an alkyl group having 1 to 18 carbon atoms claim 1 , an alkoxy group having 1 to 18 carbon atoms claim 1 , a dialkylamino group having 2 to ...

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Номер записи: 83
23-01-2020 дата публикации

ALL-IN-ONE FAST CURING ACRYLIC STRUCTURAL ADHESIVE

Номер: US20200024485A1
Автор: Iftime Gabriel, Rivest Jessica Louis Baker
Принадлежит:

An acrylic adhesive composition includes a first part including an aminoborane initiator and acrylate or/and methacrylate monomers, and a second part including inert microcapsules of a cure activator and acrylate monomers, wherein the microcapsules are breakable, such that when broken, the first part reacts with the second part and the acrylic adhesive begins to cure. A two-part structural adhesive includes a suspension component containing an aminoborane initiator, and microcapsules containing an encapsulated component, wherein the microcapsules are dispersed in the suspension component. A method of activating an aminoborane initiator suspension to form a structural adhesive includes adding microcapsules containing an encapsulated component, to the aminoborane initiator suspension at a predetermined ratio, and breaking the microcapsules to activate curing. 1. An acrylic adhesive composition comprising:a first part including an aminoborane initiator and acrylate or/and methacrylate monomers; anda second part including inert microcapsules of a cure activator and acrylate monomers, wherein the microcapsules are breakable, such that when broken, the first part reacts with the second part and the acrylic adhesive begins to cure.2. The acrylic adhesive composition of claim 1 , wherein the cure activator is a carboxylic acid.3. The acrylic adhesive composition of claim 2 , wherein the carboxylic acid has at least 6 carbon atoms and a water solubility of less than about 0.1%.4. The acrylic adhesive composition of claim 1 , wherein the ratio of the first part to the second part is about 1:10.5. The acrylic adhesive composition of claim 1 , wherein the second part is over 50% of the composition by volume.6. The acrylic adhesive composition of claim 3 , wherein the second part is over 75% of the composition by volume.7. The acrylic adhesive composition of claim 1 , wherein the inert microcapsules are breakable under a pressure of about 15 psi.8. The acrylic adhesive ...

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Номер записи: 84
28-01-2021 дата публикации

REVERSIBLE ADHESIVE COMPOSITIONS, RELATED ARTICLES, AND RELATED METHODS

Номер: US20210024452A1
Автор: Rabnawaz Muhammad
Принадлежит:

The disclosure relates to a reversible adhesive composition including a copolymer between a vinyl spacer monomer unit and a vinyl reversible binder monomer unit. Each monomer unit can be based on acrylate monomer, a vinyl ester monomer, or a vinyl ether monomer, with the spacer monomer unit generally having a shorter pendant chain (such as 1-3 carbon atoms) and the reversible binder monomer unit having a longer pendant chain (such as 3-20 carbon atoms). A corresponding article includes first and second surfaces (or substrates) that are in contact with and bonded to the reversible adhesive composition at an interface therebetween. The reversible adhesive composition generally involves non-covalent and/or non-ionic bonding forces, for example H-bonding, permanent dipole, electron donor-acceptor moieties, and/or van der Waals forces, between the copolymer chains. The first and second surfaces can be repeatedly bonded, separated, and re-bonded while retaining the adhesive strength of the reversible adhesive composition. 1. An article comprising:a first surface;a second surface different from the first surface; and a vinyl spacer monomer unit comprising at least one of (i) a pendant carboxylate group with a carbonyl carbon backbone attachment and in the form of an acid, a salt, an ester with 1 to 3 carbon atoms in a corresponding ester group, and combinations thereof, (ii) a pendant carboxylate group with an ester oxygen backbone attachment and having a hydrocarbon tail group with 1 to 3 carbon atoms, (iii) a pendant ether group with an ether oxygen backbone attachment and having a hydrocarbon tail group with 1 to 3 carbon atoms; and', 'a vinyl reversible binder monomer unit comprising at least one of (i) a pendant carboxylate group with a carbonyl carbon backbone attachment and in the form of an ester having 3 to 20 carbon atoms in a corresponding ester group, (ii) a pendant carboxylate group with an ester oxygen backbone attachment and having a hydrocarbon tail group ...

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Номер записи: 85
28-01-2021 дата публикации

RESIN COMPOSITION, GAP-FILLING ADHESIVE, PRODUCTION METHOD OF GAP-FILLING ADHESIVE, AND GAP FILLING METHOD

Номер: US20210024790A1
Автор: Uchiya Tomoaki, Wakamatsu Kenji
Принадлежит:

A resin composition, including a radical-polymerizable compound, a cation-polymerizable compound, a photo radical photopolymerization initiator, and a photo cation photopolymerization initiator; wherein the resin composition has a range of wavelengths so that one of the photo radical photopolymerization initiator and the photo cation photopolymerization initiator has a molar absorption coefficient of 1 or greater, and the other has a molar absorption coefficient of 0.1 or less. A gap-filling adhesive which is a partially polymerized product of the resin composition. The gap-filling adhesive is capable of easily filling the gap in the body to be adhered. 1. A gap-filling adhesive which is a partially polymerized product of a resin composition comprising a radical-polymerizable compound , a cation-polymerizable compound , a photo radical photopolymerization initiator , and a photo cation photopolymerization initiator ,wherein the resin composition has a range of wavelengths such that one of the photo radical photopolymerization initiator and the photo cation photopolymerization initiator has a molar absorption coefficient of 1 or greater, and the other has a molar absorption coefficient of 0.1 or less, the gap-filling adhesive comprises a polymer of the radical-polymerizable compound, the cation-polymerizable compound, and the photo cation photopolymerization initiator, or the gap-filling adhesive comprises the radical-polymerizable compound, the polymer of the cation-polymerizable compound, and the photo radical photopolymerization initiator, and the gap-filling adhesive has a three-dimensional shape corresponding to the shape of the gap to be filled.2. The gap filling adhesive according to claim 1 , wherein the resin composition has a range of wavelengths such that the photo radical photopolymerization initiator has a molar absorption coefficient of 10 or greater claim 1 , and the photo cation photopolymerization initiator has a molar absorption coefficient has a ...

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Номер записи: 86
29-01-2015 дата публикации

Capacitive Touch Panel

Номер: US20150029412A1
Автор: Banba Tomohide, Hasegawa Yuki, Honjo Mitsuru, Igarashi Kazumasa, KISHIOKA Hiroaki, NAGAOKA Naoki, NASHIKI Tomotake, TSUBAKI Yuki, WADA Hiroshi
Принадлежит: NITTO DENKO CORPORATION

Provided is a capacitive touch panel which has enhanced sensitivity and is usable in an image display panel, etc. in this capacitive touch panel, a window, a first transparent film having a first transparent conductive electrode pattern formed on one surface thereof, and a second transparent film having a second transparent conductive electrode pattern which is formed on one surface thereof and disposed with respect to the first transparent film in such a manner as to allow a capacitance to be formed therebetween, are stacked in turn. The capacitive touch panel comprises a first transparent inter-layer resin provided between the window and the first transparent film, and a second transparent inter-layer resin provided between the first transparent film and the second transparent film, wherein the first transparent inter-layer resin has a dielectric constant greater than that of the second transparent inter-layer resin. 1. A capacitive touch panel in which a window , a first transparent film having a first transparent conductive electrode pattern formed on one surface thereof , and a second transparent film having a second transparent conductive electrode pattern which is formed on one surface thereof and disposed with respect to the first transparent film in such a manner as to allow a capacitance to be formed therebetween , are stacked in turn , the capacitive touch panel comprising a first transparent inter-layer resin provided between the window and the first transparent film , and a second transparent inter-layer resin provided between the first transparent film and the second transparent film , wherein the first transparent inter-layer resin has a dielectric constant greater than that of the second transparent inter-layer resin.2. The capacitive touch panel as defined in claim 1 , wherein each of the dielectric constant of the first transparent inter-layer resin and the dielectric constant of the second transparent inter-layer resin is in the range of 2 to 8.3. ...

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Номер записи: 87
24-04-2014 дата публикации

DISPLAY PANEL ASSEMBLY AND METHODS OF MAKING SAME

Номер: US20140113085A1
Автор: Busman Stanley C.
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

A display panel assembly is made by optically bonding a display panel and a substantially transparent substrate. Optical bonding is carried out by forming an optical bonding layer having regions of different physical properties. 1. A display panel assembly comprising:a display panel;a substantially transparent substrate; andan optical bonding layer disposed between the display panel and the substantially transparent substrate which bonds the display panel and substantially transparent substrate together, a multifunctional (meth)acrylate oligomer; and', 'a reactive diluent comprising one of a monofunctional (meth)acrylate monomer having a viscosity from about 4 to about 20 cps at 25° C., di- and poly-acrylates and methacrylates, a monofunctional meth(acrylate) monomer having alkylene oxide functionality, a monofunctional meth(acrylate) monomer having pendant alkyl groups from 4 to 20 carbon atoms; and, 'wherein the optical bonding layer is a curable composition comprising'}wherein the optical bonding layer comprises one of nonabsorbing metal oxide particles, fumed silica and clay.2. The display panel assembly of claim 1 , wherein the curable composition comprises from about 20 to about 60 wt. % of multifunctional (meth)acrylate oligomer.3. The display panel assembly of claim 1 , wherein the curable composition comprises from about 30 to about 60 wt. % of reactive diluent.4. The display panel assembly of claim 1 , wherein the curable composition comprises from about 15 to about 50 wt. % of reactive diluent.5. The display panel assembly of claim 1 , wherein the curable composition further comprises a plasticizer.6. The display panel assembly of claim 5 , wherein the plasticizer comprises oil.7. The display panel assembly of claim 1 , wherein the curable composition comprises fumed silica.8. The display panel assembly of claim 7 , wherein the curable composition comprises from about 2 to about 10 wt. % fumed silica.9. The display panel assembly of claim 8 , wherein ...

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Номер записи: 88
29-01-2015 дата публикации

PRESSURE-SENSITIVE ADHESIVE TAPE AND TAPE ROLL

Номер: US20150030795A1
Автор: HIGUCHI Naoaki, HIROSE Tetsuya, INOKUCHI Shinji, OGAWA Takuma, YAMANAKA Eiji
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive tape includes: a pressure-sensitive adhesive layer that contains at least a fine particle and/or a bubble and both the surfaces of which are pressure-sensitive adhesive surfaces; and a release liner having both a first release layer that is provided on one surface of the pressure-sensitive adhesive layer so as to contact the one surface and a second release layer located opposite to the first release layer. The thickness of the pressure-sensitive adhesive layer is 0.2 to 2.0 mm. The second release layer of the release liner is structured such that a holding time measured by a predetermined method is 2500 minutes or longer.

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Номер записи: 89
01-02-2018 дата публикации

Medical Dressings, Systems, And Methods Employing Sealants

Номер: US20180028366A1
Автор: Robinson Timothy Mark, Tout Aidan Marcus
Принадлежит:

According to an illustrative embodiment, a system for treating a wound at a tissue site of a patient comprising a reduced-pressure source to supply reduced pressure, a drape adhering to the tissue site to cover the wound where possible leak passages between the drape and the tissue site may occur, and a seal disposed between the drape and the tissue site, is disclosed. The seal is adapted to react with a fluid to form a sealant substantially filling the passages in response to air leaking through the passages from outside the drape when reduced pressure is applied to the wound. According to another illustrative embodiment, a method for sealing a drape to a tissue site for treating a wound at the tissue site comprising applying the drape to cover the tissue site whereby passages are formed between the drape and the tissue site, positioning a seal between the drape and the tissue site wherein the seal is adapted to react with a fluid to form a sealant for substantially filling the passages, is also disclosed. 1. A system configured to treat a wound at a tissue site , the system comprising:a pressure source configured to supply reduced pressure;a manifold configured to be positioned in contact with the wound at the tissue site and configured to be in fluid communication with the pressure source and to provide reduced pressure to the wound at the tissue site;a drape having a first side and a second, tissue-facing, side, and wherein the drape is configured to cover the wound at the tissue site and the manifold; anda seal in contact with a substantial portion of the second, tissue-facing, side of the drape, wherein the seal is configured to react with a fluid to form a sealant that substantially fills one or more passages between the drape and the tissue site in response to fluid leaking through the one or more passages from outside the drape when the manifold provides reduced pressure to the wound at the tissue site.2. The system of claim 1 , wherein the seal contains an ...

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Номер записи: 90
02-02-2017 дата публикации

ADHESIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE INCLUDING THE SAME AND OPTICAL DISPLAY INCLUDING THE SAME

Номер: US20170029665A1
Автор: HAN In Cheon, Jeong Eun Hwan, KIM Yi Eun, Suh Yoo Jin
Принадлежит:

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition for polarizing plates, which includes a non-carboxylic acid (meth)acrylic copolymer, an isocyanate curing agent, and an epoxy curing agent, wherein the adhesive film has a modulus at 85° C. of about 0.1 MPa to about 0.8 MPa and a modulus ratio of about 3 or less, as calculated by the equation, Modulus ratio=G′(25° C.)/G′(85° C.), where G′(25° C.) is modulus (unit: MPa) at 25° C. of an adhesive film and G′(85° C.) is modulus (unit: MPa) at 85° C. of the adhesive film. 1. An adhesive film for polarizing plates , the adhesive film being formed of an adhesive composition comprising: a non-carboxylic acid (meth)acrylic copolymer; an isocyanate curing agent; and an epoxy curing agent , {'br': None, 'i': G', 'G, 'Modulus ratio=′(25° C.)/′(85° C.),'}, 'wherein the adhesive film has a modulus at 85° C. of about 0.1 MPa to about 0.8 MPa and a modulus ratio of 3 or less, as calculated by Equation 1where G′(25° C.) is modulus (unit: MPa) at 25° C. of the adhesive film and G′(85° C.) is modulus (unit: MPa) at 85° C. of the adhesive film.2. The adhesive film according to claim 1 , wherein the adhesive film has a resistance change rate of less than 10% claim 1 , as calculated by Equation 2:{'br': None, 'i': P', '−P', 'P, 'sup': 2', '1', '1, 'Resistance change rate=()/×100,'}{'sup': 1', '2, 'where Pis initial resistance (unit: Ω) measured on a specimen in which electrodes are formed at both ends of the adhesive film, and Pis resistance (unit: Ω) measured after the specimen is left alone at 60° C. and 95% RH for 250 hours.'}3. The adhesive film according to claim 1 , wherein the adhesive film has a modulus at 25° C. of about 0.3 MPa or greater.4. The adhesive film according to claim 1 , wherein a polarizing plate for durability evaluation claim 1 , to which the adhesive film ...

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Номер записи: 91
02-02-2017 дата публикации

LIGHT CURABLE RESIN COMPOSITION

Номер: US20170029671A1
Автор: Chen Chunfu, Kanari Masao, Sawanobori Junichi
Принадлежит:

The present application relates to a resin composition and in particular to a light-curable resin composition. 1. A light-curable resin composition , comprisinga) 30 to 90 wt % of a urethane acrylate oligomer with a molecular weight greater than 15000,b) 2 to 40 wt % of a (meth)acrylate monomer having a benzene ring,c) 0.2 to 10 wt % of a photo initiator.2. The light-curable resin composition according to claim 1 , wherein the urethane acrylate oligomer is an aliphatic urethane acrylate.3. The light-curable resin composition according to claim 1 , wherein the (meth)acrylate monomer having a benzene ring is selected from a group comprising benzyl acrylate claim 1 , phenoxyethyl acrylate claim 1 , nonylphenoxypolyethylene glycol acrylate claim 1 , ethoxylated bisphenol A diacrylate claim 1 , phenoxyethyl methacrylate claim 1 , ethoxylated bisphenol A dimethacrylate claim 1 , benzyl methacrylate claim 1 , 1-phenylethyl methacrylate claim 1 , 2-phenoxyethyl methacrylate claim 1 , 2-phenylethyl methacrylate claim 1 , 3-phenylpropyl methacrylate claim 1 , 3-phenylpropyl acrylate and 2-phenoxyethyl acrylate and combinations thereof.5. The light-curable resin composition according to claim 1 , wherein the photoinitiator is selected from a group comprising phenylglyoxylates claim 1 , α-hydroxyketones claim 1 , α-aminoketones claim 1 , benzildimethylketal claim 1 , monoacylphosphinoxides claim 1 , bisacylphosphinoxides claim 1 , benzophenones claim 1 , oxime esters claim 1 , titanocene and combinations thereof.6. The light-curable resin composition according to claim 1 , comprisinga) 40 to 80 wt % of a urethane acrylate oligomer with a molecular weight of more than 15000,b) 5 to 30 wt % of a (meth)acrylate monomer having a benzene ring, andc) 0.5 to 6w t % of a photo initiator.7. The light-curable resin composition according to claim 1 , wherein the composition further comprises up to 40 wt % claim 1 , deformer claim 1 , ultra-violet light absorber claim 1 , light stabilizer ...

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Номер записи: 92
02-02-2017 дата публикации

Encapsulated Catalyst for Aerospace Grade Resin Systems

Номер: US20170029672A1
Автор: Gwen M. Gross, Keith Daniel Humfeld
Принадлежит: Boeing Co

Methods and compositions, and components comprising the compositions, are disclosed relating to improved resin-based adhesives comprising encapsulating at least a catalyst compound. Further methods and compositions are disclosed relating to encapsulated catalysts in uncured resin-based adhesives, said encapsulated catalysts configured to release the catalyst compound and cure the uncured resin-based adhesive on-demand.

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Номер записи: 93
04-02-2016 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Номер: US20160032154A1
Автор: KANNO Ryo, SHIGETOMI Kiyoe
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive composition according to an embodiment includes: 100 parts by mass of a polymer (A) having a glass transition temperature lower than 0° C.; and 0.1 to 20 parts by mass of a polymer (B) that contains, as monomer units, both a monomer having a functional group equivalent (Fge) of 1000 g/mol≦Fge<15000 g/mol and having a polyorganosiloxane skeleton and a monomer whose homopolymer has a glass transition temperature of 40° C. or higher, and that has a weight average molecular weight (MwB) of 10000≦MwB≦100000. 1. A pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer made of a pressure-sensitive adhesive composition , whereinthe pressure-sensitive adhesive composition includes:100 parts by mass of a polymer (A) having a glass transition temperature lower than 0° C.; and0.1 to 20 parts by mass of a polymer (B) that contains, as monomer units, both a monomer having a functional group equivalent (Fge) of 1000 g/mol≦Fge<15000 g/mol and having a polyorganosiloxane skeleton and a monomer whose homopolymer has a glass transition temperature of 40° C. or higher, and that has a weight average molecular weight (MwB) of 10000≦MwB<100000, and whereinpressure-sensitive adhesive force to each of a stainless plate, an ABS plate, and a glass plate, occurring in an initial condition, is smaller than 7.0 N/25 mm, and whereinpressure-sensitive adhesive force to each of the plates, occurring in an ordinary condition, is two times or more larger than the pressure-sensitive adhesive force occurring in the initial condition.2. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe pressure-sensitive adhesive layer is formed on at least one surface of a supporting body.3. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe polymer (A) is an acrylic polymer.4. The pressure-sensitive adhesive sheet according to claim 1 , whereinthe polymer (B) is a polymer containing, as a monomer component, 10% by mass ...

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Номер записи: 94
01-02-2018 дата публикации

ACRYLIC ADHESIVE COMPOSITION FROM PROTECTED PHOTOCROSSLINKING AGENTS

Номер: US20180029970A1
Автор: Behling Ross E., Benson Karl E., Kurian Anish, Ozair Sehban, Prince Ryan B., Webb Robert J., Wohl Adam R., WURST Joshua R.
Принадлежит:

Protected photocrosslinkers and their use in two-stage photocuring of (meth)acrylate monomers is described. 2. (canceled)3. The protected photocrosslinker of wherein Z is selected from a carbonyl-protected group derived from acetophenone claim 1 , benzophenone claim 1 , anthraquinone claim 1 , 9-fluorenone claim 1 , anthrone claim 1 , xanthone claim 1 , thioxanthone claim 1 , acridone claim 1 , dibenzosuberone claim 1 , benzil claim 1 , chromone claim 1 , benzoyl cyclohexane claim 1 , benzoyl piperidine claim 1 , benzoyl piperazine claim 1 , benzoyl morpholine claim 1 , benzoyl tert-alkylene claim 1 , and benzoyl-tert-hydroxyalkylene.5. The protected photocrosslinker of wherein Prot is a cyclic or acyclic ketal claim 1 , dithioketals claim 1 , O-substituted cyanohydrins claim 1 , substituted hydrazones claim 1 , oxazolidines claim 1 , imidazolidines and thiazolidines protecting groups.6. (canceled)7. (canceled)8. The protected photocrosslinker of where X—R—Xis —NH—C(CH)—CO—-O—(R—O)— claim 1 , where Ris a linear or branched alkylene claim 1 , and subscript b is 0 or 1.9. A polymerizable composition comprising a monomer mixture of at least one (meth)acrylate monomer claim 1 , a photoinitiator and a protected photocrosslinker of .10. The polymerizable composition of comprising:a) 50-99 parts by weight of (meth)acrylate ester monomers;b) 1-50 parts by weight of polar monomers, inclusive of acid-functional monomers;wherein the sum of the monomers is 100 parts by weight.11. The polymerizable composition of wherein the (meth)acrylate monomer comprises:a) 50-99.9 parts by weight of (meth)acrylate ester monomers;b) 0.1-15 parts by weight of acid-functional monomers;c) 0 to <50 parts by weight of polar monomers, exclusive of acid-functional monomers,wherein the sum of the monomers is 100 parts by weight.12. The polymerizable composition of comprising:a) 0.01 to 1.0 parts by weight of a photoinitiator, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'b) 0.05 to 0.5 parts ...

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Номер записи: 95
01-02-2018 дата публикации

PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET FOR AFFIXATION TO CLOTHING

Номер: US20180030316A1
Автор: FUNAKOSHI Yoshio, HAMADA Atsushi
Принадлежит: NITTO DENKO CORPORATION

The present invention relates to a pressure-sensitive adhesive tape or sheet for affixation to clothing, which includes a pressure-sensitive adhesive layer provided on one side of a fabric substrate. The pressure-sensitive adhesive layer contains an acrylic-based copolymer and an ingredient in a liquid or pasty state at room temperature. The percentage elongation of the pressure-sensitive adhesive tape or sheet for affixation to clothing is from 10% to 300% in the maximum elongation direction under a load condition of 4.9 N/25-mm-width, and the residual distortion factor of the pressure-sensitive adhesive tape or sheet for affixation to clothing after removal of the load is 50% or below. 1. A pressure-sensitive adhesive tape or sheet for affixation to clothing , which comprises a pressure-sensitive adhesive layer provided on one side of a fabric substrate ,wherein the pressure-sensitive adhesive layer contains an acrylic-based copolymer and an ingredient in a liquid or pasty state at room temperature,wherein a percentage elongation of the pressure-sensitive adhesive tape or sheet for affixation to clothing is from 10% to 300% in the maximum elongation direction under a load condition of 4.9 N/25-mm-width, and a residual distortion factor of the pressure-sensitive adhesive tape or sheet for affixation to clothing after removal of the load is 50% or below.2. The pressure-sensitive adhesive tape or sheet for affixation to clothing as described in claim 1 , wherein the ingredient in a liquid or pasty state at room temperature is a carboxylic acid ester.3. The pressure-sensitive adhesive tape or sheet for affixation to clothing as described in claim 2 , wherein the carboxylic acid ester is a glycerin ester of a saturated fatty acid.4. The pressure-sensitive adhesive tape or sheet for affixation to clothing as described in claim 3 , wherein the saturated fatty acid is at least one selected from the group consisting of caprylic acid claim 3 , capric acid and 2- ...

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Номер записи: 96
05-02-2015 дата публикации

PRESSURE-SENSITIVE ADHESIVE

Номер: US20150037559A1
Автор: Burmeister Axel, Dollase Thilo, KRAWINKEL Thorsten, MAYER Michael, PETERSEN Anika
Принадлежит:

Pressure-sensitive adhesive having high bond strengths to polar substrates as well as to non-polar substrates, comprising: 1. Pressure-sensitive adhesive comprising:a) 30-65 wt. %, based on the total weight of the adhesive, of at least one poly(meth)acrylate;b) 5-20 wt. %, based on the total weight of the adhesive, of at least one synthetic rubber;c) at least one tackifier compatible with the poly(meth)acrylate(s); andd) at least one hydrocarbon resin compatible with the synthetic rubber(s).2. Pressure-sensitive adhesive according to claim 1 , wherein the weight ratio of hydrocarbon resins compatible with the synthetic rubbers to synthetic rubbers is from 1:1 to 4:1.3. Pressure-sensitive adhesive according to claim 1 , wherein the weight ratio of said at least one tackifier compatible with the poly(meth)acrylates to synthetic rubbers is from 0.5:1 to 4:1.4. Pressure-sensitive adhesive according to claim 1 , wherein the total amount of tackifiers compatible with the poly(meth)acrylate(s) and hydrocarbon resins compatible with the synthetic rubber(s) is from 25 to 50 wt. % claim 1 , based on the total weight of the adhesive.5. Pressure-sensitive adhesive according to claim 1 , wherein the synthetic rubber is a block copolymer having an A-B claim 1 , A-B-A claim 1 , (A-B) claim 1 , (A-B)X or (A-B-A)X construction claim 1 , the blocks A independently of one another are a polymer formed by polymerization of at least one vinylaromatic;', 'the blocks B independently of one another are a polymer formed by polymerization of conjugated dienes having 4 to 18 C atoms and/or isobutylene, or are a partially or fully hydrogenated derivative of such a polymer;', 'X is the residue of a coupling reagent or initiator and', 'n is an integer ≧2., 'in which'}6. Pressure-sensitive adhesive according to claim 5 , wherein the weight fraction of the blocks A claim 5 , based on all block copolymers present in the adhesive claim 5 , is 10 to 40 wt %.7. Pressure-sensitive adhesive according to ...

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Номер записи: 97
05-02-2015 дата публикации

Pressure-sensitive adhesive

Номер: US20150037560A1
Автор: Brix Rolf, Dollase Thilo, MAYER Michael, PETERSEN Anika
Принадлежит:

A pressure-sensitive adhesive is to achieve good bond strengths at both high and low temperatures. This aim is accomplished by the adhesive comprising the following components: 1. A pressure-sensitive adhesive comprising:a) 40-70 wt %, based on the total weight of the adhesive, of at least one poly(meth)acrylate;b) 15-50 wt %, based on the total weight of the adhesive, of at least one synthetic rubber; andc) at least one tackifier compatible with the poly(meth)acrylate(s).2. The pressure-sensitive adhesive according to claim 1 , wherein the weight ratio of poly(meth)acrylates to synthetic rubbers is from 1:1 to 3:1.3. The pressure-sensitive adhesive according to wherein the weight ratio of tackifiers compatible with the poly(meth)acrylates to synthetic rubbers is at most 2:1.4. The pressure-sensitive adhesive according to wherein the weight ratio of tackifiers compatible with the poly(meth)acrylates to the synthetic rubbers is at least 1:4.5. The pressure-sensitive adhesive according to wherein the synthetic rubber is a block copolymer having an A-B claim 1 , A-B-A claim 1 , (A-B) claim 1 , (A-B)X or (A-B-A)X construction claim 1 , the blocks A independently of one another are a polymer formed by polymerization of at least one vinylaromatic;', 'the blocks B independently of one another are a polymer formed by polymerization of conjugated dienes having 4 to 18 C atoms and/or isobutylene, or are a partially or fully hydrogenated derivative of such a polymer;', 'X is the residue of a coupling reagent or initiator and', 'n is an integer ≧2., 'in which'}6. The pressure-sensitive adhesive according to claim 5 , wherein the weight fraction of the blocks A claim 5 , based on all block copolymers present in the adhesive claim 5 , is 10 to 40 wt %.7. The pressure-sensitive adhesive according to wherein the tackifier compatible with the poly(meth)acrylates is a terpene-phenolic resin or a rosin derivative.8. The pressure-sensitive adhesive according to wherein the adhesive is ...

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Номер записи: 98
05-02-2015 дата публикации

SURFACE PROTECTIVE FILM AND OPTICAL COMPONENT

Номер: US20150037574A1
Автор: Amano Tatsumi, Mitsui Kazuma, Niimi Kenjiro
Принадлежит: NITTO DENKO CORPORATION

Provided is a surface protective film, which has a substrate having a topcoat layer containing a lubricating property imparting component and rarely whitened and an adhesive layer formed of a water dispersible acrylic adhesive composition, and which is excellent in appearance characteristics etc. A surface protective film having: a substrate; and a topcoat layer and an acrylic adhesive layer formed on respective faces of the substrate, in which the topcoat layer contains a lubricant wax composed of a higher fatty acid/higher alcohol ester and a polyester binder resin, the acrylic adhesive layer is formed of a water dispersible acrylic adhesive composition containing an acrylic emulsion polymer (A) obtained by polymerization of an alkyl (meth)acrylate and a carboxyl group-containing unsaturated monomer with a reactive emulsifier, a compound (B) represented by formula (I): 1. A surface protective film comprising:a substrate having a first face and a second face;a topcoat layer formed on the first face of the substrate; andan acrylic adhesive layer formed on the second face of the substrate, whereinthe topcoat layer contains a wax serving as a lubricant and a polyester resin serving as a binder,the wax is an ester of a higher fatty acid and a higher alcohol, andthe acrylic adhesive layer is formed of a water dispersible acrylic adhesive composition which contains:an acrylic emulsion polymer (A) which is constituted of, as essential raw-material monomers, an alkyl (meth)acrylate and a carboxyl group-containing unsaturated monomer, the content of the alkyl (meth)acrylate being 70 wt % to 99.5 wt % and the content of the carboxyl group-containing unsaturated monomer being 0.5 wt % to 10 wt % in a total amount of the raw-material monomers, and which is obtained by polymerization using a reactive emulsifier containing a radical polymerizable functional group in a molecule;a compound (B) represented by the following formula (I); and {'br': None, 'sup': a', 'b, 'sub': l', 'm ...

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Номер записи: 99
05-02-2015 дата публикации

PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL MEMBER

Номер: US20150037576A1
Автор: Amano Tatsumi, Haruta Hiromoto, Kataoka Kenichi, Niimi Kenjiro
Принадлежит: NITTO DENKO CORPORATION

A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder and having the properties as defined. 1. A pressure-sensitive adhesive sheet having a supporting film , a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film , and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film , whereinthe top coat layer contains wax as a lubricant and a polyester resin as a binder; andan adhesive strength ratio (A/B) of the rear surface adhesive strength (A) at a peel rate of 0.3 m/min after the surface of the top coat layer is bonded at 23° C. for 30 minutes and the adhesive strength (B) at a peel rate of 30 m/min after the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer is bonded to a TAC surface at 50° C. for 1 week is 3 or higher.2. The pressure-sensitive adhesive sheet according to claim 1 , wherein the adhesive strength (B) is 1.5 N/25 mm or lower.3. The pressure-sensitive adhesive sheet according to claim 1 , wherein the pressure-sensitive adhesive composition contains a (meth)acryl-based polymer containing a hydroxyl group and a carboxyl group.4. The pressure-sensitive adhesive sheet according to claim 3 , which contains the carboxyl group-containing (meth)acryl-based monomer in an amount of 2% by weight or less based on the total weight of the monomer components constituting the (meth)acryl-based polymer.5. The pressure-sensitive adhesive sheet according to claim 3 , which contains the hydroxyl group-containing (meth)acryl-based monomer in an amount ...

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Номер записи: 100