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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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Форма поиска

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 905. Отображено 100.
25-04-2013 дата публикации

Radiation Curable Poly(isobutylene) Adhesive Copolymers Having Pendent Amine Groups

Номер: US20130102699A1
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

The disclosure provides pressure-sensitive adhesives and adhesive sealants prepared from amine-modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom. 2. The adhesive composition of comprising greater than 0% by weight but less than 20% by weight of polymerized monomer units having pendent tertiary or quaternary amine groups.3. The adhesive composition of wherein the polymerized monomer units having pendent tertiary or quaternary amine groups are isoprene monomer units.4. The adhesive composition of claim 1 , wherein the pendent tertiary or quaternary amine groups are of the formulas:{'sup': 2', '3', '2', '3', '4', '+', '2', '3', '4, 'sub': 1', '18', '1', '18, '—NRRand/or —(NRRR), where Ris a C-C(cyclo)alkyl, and each of Rand Rare independently a C-C(cyclo)alkyl or an aryl group.'}5. The adhesive composition of comprising greater than 0 to 150 parts by weight of said tackifier per 100 parts by weight of said copolymer.6. The adhesive composition of comprising 10 to 100 parts by weight of said tackifier per 100 parts by weight of said copolymer.7. The adhesive composition of wherein the photocrosslinking agent is selected from aldehydes; ketones; quinones; thioxanthones and chromophore-substituted halomethyl-sym-triazines photocrosslinking agents.8. The adhesive composition of wherein the copolymer has a molecular weight (Mw) of 50 claim 1 ,000 to 5 claim 1 ,000 claim 1 ,000.9. The adhesive composition of wherein Z is a C-Cdialkylamine group.10. The adhesive composition of comprising of 0.05 to 6.0 parts by weight of the photocrosslinking agent relative to 100 parts by weight of the isobutylene copolymer component.11. The adhesive composition of wherein Ris a phenylene.12. The crosslinked adhesive composition of .13. An adhesive article comprising a crosslinked coating of the adhesive of on a backing.14. The adhesive composition of claim 1 , wherein the adhesive is a hot-melt adhesive.15. An adhesive composition comprising the isobutylene ...

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02-05-2013 дата публикации

POLYETHYLENE COMPOSITION

Номер: US20130109812A1
Принадлежит: INEOS EUROPE AG

A polyethylene composition having a good balance of strength, flexibility and processability is disclosed, comprising (a) 40-55 wt % of a copolymer fraction (A) comprising ethylene and a C-Calpha-olefin, and having an MIof from greater than 300 to 800 g/10 min or a Mw of 15 to 35 kDa; and (b) 45-60 wt % of a copolymer fraction (B) comprising ethylene and a C-Calpha-olefin, wherein the composition has an unpigmented density of 940 to 956 kg/mand an MIof 0.1 to 1 g/10 min. 117-. (canceled)18. Polyethylene composition comprising{'sub': 4', '10', '2, '(a) 40-55 wt % of a copolymer fraction (A) comprising ethylene and a C-Calpha-olefin, and having an MIof from greater than 300 to 800 g/10 min; and'}{'sub': 4', '10', '5, 'sup': '3', '(b) 45-60 wt % of a copolymer fraction (B) comprising ethylene and a C-Calpha-olefin, wherein the composition has an unpigmented density of 940 to 956 kg/mand an MIof 0.1 to 1 g/10 min.'}19. Composition according to claim 18 , wherein copolymer fraction (A) has a weight average molecular weight Mw of from 15 to 35 kDa.20. Composition according claim 18 , which has a substantially uniform or reverse comonomer distribution in one or both of fractions (A) and (B).21. Polyethylene composition comprising{'sub': 4', '10, '(a) 40-55 wt % of a copolymer fraction (A) comprising ethylene and a C-Calpha-olefin,'}{'sub': 4', '10', '5, 'sup': '3', '(b) 45-60 wt % of a copolymer fraction (B) comprising ethylene and a C-Calpha-olefin, wherein the composition has an unpigmented density of 940 to 956 kg/mand an MIof 0.1 to 1 g/10 min,'}wherein the composition has a substantially uniform or reverse comonomer distribution in one or both of fractions (A) and (B),22. Composition according to claim 21 , wherein copolymer fraction (A) has an MIof from greater than 300 to 800 g/10 min claim 21 , and/or copolymer fraction (A) has a weight average molecular weight Mw of from 15 to 35 kDa.23. Polyethylene composition comprising{'sub': 4', '10, '(a) 40-55 wt % of a ...

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20-06-2013 дата публикации

COMPOSITION, LAMINATED STRUCTURE AND METHOD FOR MANUFACTURING LAMINATED STRUCTURE

Номер: US20130157051A1
Принадлежит: Sumitomo Chemical Company, Limited

A composition can be provided with superior adhesiveness toward adherends, for example, made of plastic (in particular, polypropylene, and the like). The composition includes the following (A) and (B). (A): Polymer (A-1) having structural units derived from propylene and structural units derived from 1-butene, wherein the content of the structural units derived from propylene is 70-99 mol % based on all the structural units of Polymer (A-1), the content of the structural units derived from 1-butene is 1-30 mol % based on all the structural units of Polymer (A-1), and a melting peak is substantially not observed, or, Polymer (A-2) obtained by modification of Polymer (A-1) with an α,β-unsaturated carboxylic acid, (B): Polymer (B-1) having structural units derived from ethylene and structural units derived from propylene, wherein the content of the structural units derived from ethylene is 5-20 mol % based on all the structural units of Polymer (B-1), the content of the structural units derived from propylene is 80-95 mol % based on all the structural units of Polymer (B-1), and a melting peak is observed, or, Polymer (B-2) obtained by modification of Polymer (B-1) with an α,β-unsaturated carboxylic acid. 1. A composition comprising the following (A) and (B):(A): Polymer (A-1) which has structural units derived from propylene and structural units derived from 1-butene, wherein the content of the structural units derived from propylene is 70-99 mol % based on all the structural units of Polymer (A-1), the content of the structural units derived from 1-butene is 1-30 mol % based on all the structural units of Polymer (A-1), and in which a melting peak is substantially not observed, or,Polymer (A-2) obtained by modification of Polymer (A-1) with an a43-unsaturated carboxylic acid,(B): Polymer (B-1) which has structural units derived from ethylene and structural units derived from propylene, wherein the content of the structural units derived from ethylene is 5-20 mol % ...

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20-06-2013 дата публикации

LOW APPLICATION TEMPEARATURE AMORPHOUS POLY-a-OLEFIN ADHESIVE

Номер: US20130158176A1
Принадлежит: Henkel Corporation

It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles. 1. A hot melt adhesive comprising at least 45 wt % , based on the adhesive , of an amorphous polybutene copolymer which has a softening point of from about 70 to about 105° C. and viscosity of less than about 1 ,900 cP at 190° C. , and wherein the hot melt adhesive has a viscosity of less than about 6 ,000 cP at 150° C.2. The hot melt adhesive of wherein the amorphous polybutene copolymer has a tan(δ) value greater than 30 at 140° C.3. The hot melt adhesive of wherein the amorphous polybutene copolymer further comprises propylene comonomer.4. The hot melt adhesive of wherein the amorphous polybutene copolymer has a butene content greater than about 40%.5. The hot melt adhesive of further comprising a tackifier which has a softening point greater than or equal to 80° C.6. The hot melt adhesive of wherein the tackifier has a softening point greater than or equal to 100° C.7. The hot melt adhesive of wherein the tackifier is selected from the group consisting of C5 resins claim 4 , petroleum distillates claim 4 , hydrogenated hydrocarbons claim 4 , C5/C9 claim 4 , polyterpenes claim 4 , rosin claim 4 , hydrogenated rosin claim 4 , and rosin esters and mixtures thereof.8. The hot melt adhesive of further comprising a crystalline wax which has a melting point greater than 60° C.9. The hot melt adhesive of wherein the crystalline wax is selected from the group consisting of Fischer-Tropsch wax claim 8 , petroleum based wax claim 8 , conventional wax claim 8 , natural-based wax claim 8 , functionalized wax claim 8 , polyolefin copolymers and mixtures thereof.10. The hot melt adhesive of which is essentially free of wax and/or plasticizer.11. The hot melt adhesive of ...

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27-06-2013 дата публикации

POLYOLEFIN COMPOSITIONS HAVING IMPROVED SEALABILITY

Номер: US20130165591A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

Polyolefin compositions comprising, all percentages being by weight: A) from 70 to 97% of a copolymer of propylene with hexene-1 containing from 3 to 9% by weight of recurring units derived from hexene-1, said copolymer having a melting temperature from 125° C. to 143° C.; B) from 3 to 30% of a butene-1 homopolymer or copolymer. 1. Polyolefin compositions comprising , all percentages being by weight:A) from 70 to 97% of a copolymer of propylene with hexene-1 containing from 3 to 9% by weight of recurring units derived from hexene-1, said copolymer having a melting temperature from 125° C. to 143° C.;B) from 3 to 30% of a butene-1 homopolymer or copolymer.2. The polyolefin composition of claim 1 , wherein component A) has a MFR value claim 1 , measured according to ISO 1133 claim 1 , 230° C./2.16 kg claim 1 , from 0.1 to 10 g/10 min.3. The polyolefin compositions of claim 1 , wherein component A) has a fusion enthalpy of 65 J/g or more.4. The polyolefin compositions of claim 1 , having MFR equal to or greater than 0.5 g/10 min.5. The polyolefin compositions of claim 1 , wherein component B) is selected from butene-1 homopolymers and butene-1 copolymers containing up to 15% by weight of comonomer(s).6. The polyolefin composition of claim 1 , wherein component B) has a flexural modulus of 80 MPa or higher.7. Mono- or multilayer films or sheets claim 1 , wherein at least one layer comprises the compositions of .8. The films of claim 7 , in form of bioriented films. The present invention relates to polyolefin compositions comprising propylene copolymers and butene-1 polymers, particularly useful in the preparation of heat-sealable films, and to the sheets and films thereof.Crystalline copolymers of propylene with other olefins (mainly ethylene, butene-1 or both), or mixtures of such copolymers with other olefin polymers are known in the prior art as heat-sealable materials.These crystalline copolymers are obtained by polymerizing propylene with minor amounts of other ...

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18-07-2013 дата публикации

ADHESIVE FILM FOR ORGANIC ELECTROLYTE-TYPE ENERGY STORAGE DEVICE

Номер: US20130183519A1
Автор: MAEDA Kouichirou
Принадлежит: ZEON CORPORATION

An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer and an elastomer, and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on the substrate film is provided. 1. An adhesive film for organic electrolyte-type energy storage device having a substrate film comprised of a resin composition which contains a cross-linked cyclic olefin polymer , and an elastomer and having an adhesive layer comprised of an acrylic-based adhesive agent which is formed on said substrate film.2. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said elastomer is an olefin-based elastomer.3. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 2 , wherein said olefin-based elastomer is at least one type of elastomer which is selected from an ethylene-α-olefin copolymer elastomer and an ethylene-propylene-diene copolymer elastomer.4. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film has a thickness of 1 to 500 μm.5. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , wherein said substrate film is comprised of a resin composition which is obtained by bulk polymerization of a polymerizable composition which contains a cyclic olefin monomer claim 1 , elastomer claim 1 , and polymerization catalyst.6. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for fastening a wound battery element.7. The adhesive film for organic electrolyte-type energy storage device as set forth in claim 1 , which is adhesive film for insulation use of a tab part for input/output of electric power to the energy storage element.8. The adhesive film for organic electrolyte-type energy storage ...

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08-08-2013 дата публикации

PRESSURE SENSITIVE ADHESIVE WITH BUTENE-1 COPOLYMERS

Номер: US20130202836A1
Принадлежит: Basell Poliolefine Italia S.r.I.

Pressure sensitive adhesive composition and multilayer easy peel re-closable structures thereof, comprising a butene-1 (co)polymer (A) having a content of butene-1 derived units of 80 wt % or more; a flexural modulus (MEF) of 80 MPa or less; a melting temperature DSC (TmI) lower than 110° C., and optionally a tackifier (B). 1. Pressure-sensitive adhesive comprising a content of butene-1 derived units of 80 wt % or more,', 'a flexural modulus (MEF) of 80 MPa or less,', 'a melting temperature DSC (TmI) lower than 110° C.; and optionally, 'A) a butene-1 (co)polymer havingB) a tackifier.2. Pressure-sensitive adhesive according to comprising:60-95 wt % of the butene-1 (co)polymer (A)5-40% of a tackifier (B)3. Pressure-sensitive adhesive according to wherein the butene-1 (co)polymer (A) has crystallinity of less than 40% measured via X-ray.4. Pressure-sensitive adhesive according to wherein the butene-1 (co)polymer has hardness shore A lower than 90.5. Pressure-sensitive adhesive according to claiml wherein the tackifier is a “Hydrogenated Hydrocarbon Resin”6. Pressure-sensitive adhesive according to claiml wherein the butene-1 (co)polymer (A) is selected from the group consisting of: 'percentage of isotactic pentads (mmmm %) from 10% to 50%, and', '(A1) a butene-1 homopolymer or copolymer having 'distribution of molecular weights (Mw/Mn) measured by GPC lower than 3.', '(A2) a butene-1 homo or copolymer, in particular a butene-1/ethylene copolymer or a butene-1/ethylene/propylene terpolymer having7. Use of a butene-1 (co)polymer (A) having:a content of butene-1 derived units of 80 wt % or morea flexural modulus (MEF) of 80 MPa or lessa melting temperature DSC (TmI) lower than 110° C.,for the preparation of a pressure sensitive adhesive.8. A multilayer easy peel reclosable film structure for heat seal application wherein at least an inner layer is made of or substantially consisting of the pressure sensitive adhesive according to .9. A multilayer easy peel reclosable film ...

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08-08-2013 дата публикации

STRETCH FILM LAMINATION ADHESIVE

Номер: US20130202902A1
Принадлежит: Henkel Corporation

The invention provides stretch film laminant adhesives, methods of using the adhesives to bond substrates together, and to articles of manufacture comprising the adhesives. It has been discovered that a stretch film lamination adhesive, which comprises a metallocene catalyzed polyolefin copolymer with a density greater or equal to 0.870 g/cmand a peak melting point greater than 100° C., a plasticizer having a number average molecular weight greater than 1,000 g/mol, and a tackifier with a softening point greater than 110° C., has high creep resistance and low plasticizer migration and bleed-through making them particularly well suited for disposable personal care garments. 1. A stretch film lamination adhesive comprising:{'sup': '3', 'a) metallocene catalyzed polyolefin copolymer which has a density greater or equal to 0.870 g/cmand a peak melting point greater than 100° C.;'}b) a plasticizer which has a number average molecular weight greater than 1000 g/mol; andc) a tackifier with a softening point greater than 110° C.;wherein the adhesive is essentially free of plasticizers with molecular weight less than 1000 g/mol.2. The stretch film lamination adhesive of wherein the copolymer comprises an ethylene or propylene base comonomer.3. The stretch film lamination adhesive of wherein the copolymer further comprises a C-Calpha olefin comonomer.4. The stretch film lamination adhesive of wherein the C-Calpha olefin comonomer is an ethylene-octene comonomer and mixtures thereof.5. The stretch film lamination adhesive of further comprising a polymer selected from the group consisting of a metallocene polyolefin claim 1 , amorphous poly-α-olefin claim 1 , styrene block copolymer and mixture thereof.6. The stretch film lamination adhesive of wherein the plasticizer has a molecular weight greater than 1300 g/mol.7. The stretch film lamination adhesive of wherein the plasticizer is a polybutene.8. The stretch film lamination adhesive of wherein the tackifier has a softening ...

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26-12-2013 дата публикации

HOT MELT ADHESIVE

Номер: US20130345355A1
Автор: Takamori Ai
Принадлежит: Henkel AG & Co. KGaa

The present invention provides a hot melt adhesive which is less likely to cause stringing, is excellent in heat resistance and thermal stability, and has excellent adhesive strength in a wide temperature range. Moreover, the present invention provides a paper product produced by using the hot melt adhesive. 1. A hot melt adhesive comprising:(A) a copolymer of ethylene/olefin having 3-20 carbons and the amount of the copolymer of ethylene/carboxylic acid ester (B) is from 13 to 35 parts by weight based on 100 parts by weight in total of the components (A) and (B),', 'wherein the adhesive has an appearance of granular shape when discharged from a nozzle at the rate of 0.4 MPa without any stringing., '(B) a copolymer of ethylene/carboxylic acid ester, wherein'}2. The hot melt adhesive according to claim 1 , whereinthe copolymer of ethylene/olefin having 3-20 carbons (A) includes (A1) a copolymer of ethylene with octene, andthe copolymer of ethylene/carboxylic acid ester (B) includes (B1) a copolymer of ethylene with methyl methacrylate.3. The hot melt adhesive according to claim 2 , whereinthe copolymer of ethylene/carboxylic acid ester (B) further includes (B2) a copolymer of ethylene with ethyl acrylate.4. The hot melt adhesive according to claim 1 , wherein the hot melt adhesive further includes (C) Fischer-Tropsch wax.5. A paper product produced by using the hot melt adhesive according to . The present invention relates to a hot melt adhesive. Furthermore, the present invention relates to a paper product obtained using the hot melt adhesive.A hot melt adhesive is a solvent-free adhesive and has features enabling of instant bonding and high-speed bonding since adhesion of the adhesive is exhibited after the adhesive is heated and melted, coated to an adherend and then solidified by being cooled. For example, the hot melt adhesive is now widely used in paper processing, woodworking, sanitary material and electronic fields.There have been used commonly, as a base ...

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27-03-2014 дата публикации

PERMEABLE PRESSURE SENSITIVE ADHESIVE

Номер: US20140087183A1
Принадлежит: COLOPLAST A/S

The present invention relates to a pressure sensitive, hot melt processable adhesive composition comprising a polar plasticising oil, a polar polyethylene copolymer and polyisobutylene and a layered adhesive construction and a medical device comprising the adhesive composition according to the invention. 1. A pressure sensitive , hot melt processable adhesive composition comprising a polar plasticising oil or a combination of polar plasticising oils in the content of above 10% (w/w) of the final adhesive , and at least one polar polyethylene copolymer , and polyisobutylene , wherein the content of the polyethylene copolymer is 5.50% (w/w) of the final adhesive , the polyethylene copolymer has a melt flow index below 2 g/10 min (190° C./21.1N).2. A pressure sensitive , hot melt processable adhesive composition produced by mixing a polar plasticising oil or a combination of polar plasticising oils in the content of above 10% (w/w) of the final adhesive , and at least one polar polyethylene copolymer , and polyisobutylene , wherein the content of the polyethylene copolymer is 5-50% (w/w) of the final adhesive , the polyethylene copolymer has a melt flow index below 2 g/10 min (190° C./21.1N).3. The pressure sensitive adhesive composition according to claim 1 , wherein the final adhesive in continuous form exhibits a moisture vapour transmission rate of at least 100 g/m2/day for a 150 ?m adhesive sheet when measured according to MVTR Test Method.4. The pressure sensitive adhesive composition according to claim 1 , wherein the polar polyethylene copolymer is selected from the group consisting of ethylene vinyl acetate claim 1 , ethylene vinyl acetate carbon monoxide claim 1 , ethylene butyl acetate claim 1 , ethylene vinyl alcohol claim 1 , ethylene butyl acrylate claim 1 , ethylene butyl acrylate carbon monoxide claim 1 , and combinations thereof.5. The pressure sensitive adhesive composition according to claim 4 , wherein the polar polyethylene copolymer is ethylene ...

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14-01-2021 дата публикации

ADHESIVE COMPOSITION, AND ADHESIVE LAYER-EQUIPPED LAYERED PRODUCT USING SAME

Номер: US20210009865A1
Принадлежит:

Provided is an adhesive composition that is characterized by containing a modified polypropylene-based resin (A), an epoxy resin (B) and an unmodified polypropylene-based resin (C), with the modified polypropylene-based resin (A) being a resin obtained by graft modifying an unmodified polypropylene-based resin (D) with a modifying agent that contains an α,β-unsaturated carboxylic acid or a derivative thereof, the content of the modified polypropylene-based resin (A) being 10 mass % or more in terms of solid content, and the content of the unmodified polypropylene-based resin (C) being 1-90 mass % in terms of solid content. The adhesive composition exhibits good adhesion to a copper foil or a base material film comprising a polyimide resin or the like, and exhibits improved dielectric properties. 1. An adhesive composition , which comprises a modified polypropylene-based resin (A) , an epoxy resin (B) , and an unmodified polypropylene-based resin (C) ,in which the modified polypropylene-based resin (A) is a resin resulting from graft-modification of an unmodified polypropylene-based resin (D) with a modifying agent comprising an α,β-unsaturated carboxylic acid or derivative thereof, andwhich has a content of the modified polypropylene-based resin (A) of 10 parts by mass or more relative to 100 parts by mass of solid content of the adhesive composition, andwhich has a content of the unmodified polypropylene-based resin (C) of 1 part by mass or more and 90 parts by mass or less relative to 100 parts by mass of solid content of the adhesive composition.2. The adhesive composition according to claim 1 , wherein the derivative of the α claim 1 ,β-unsaturated carboxylic acid is at least one selected from the group consisting of itaconic anhydride claim 1 , maleic anhydride claim 1 , aconitic anhydride claim 1 , and citraconic anhydride.3. The adhesive composition according to claim 1 , wherein the grafted portions derived from the α claim 1 ,β-unsaturated carboxylic acid ...

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09-01-2020 дата публикации

Hot-melt Adhesives Processable with High Speed Processes

Номер: US20200010742A1
Принадлежит: Savare' IC Srl

A new hot-melt adhesive formulations having improved processability and that are easily processable even with processes at high speed and in particular with Spraying or Fiberization processes. Said hot-melt adhesive formulations comprise, as their main polymer component, at least one isotactic metallocene butene-1 polymer composition, that has a low viscosity, and that has a substantially bimodal composition, directly obtained during polymerization, in two consecutive and separate reaction steps, where the first polymer (polymer A) of said compositionally bimodal polymer composition is an isotactic butene-1 homopolymer or an isotactic butene-1 copolymer with another olefin, while the second polymer (polymer B) is an isotactic copolymer of butene-1, with another olefin, with a chemical composition obviously different from A, qualitatively and/or quantitatively; said hot-melts further comprising a viscosity modifier that is not solid at room temperature.

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16-01-2020 дата публикации

ADHESIVE COMPOSITION

Номер: US20200017731A1
Автор: TAKAHASHI Yuzuru
Принадлежит:

The present invention relates to an adhesive composition comprising an α-olefin homopolymer, an α-olefin copolymer having a melting point of 90° C. or higher, a tackifier resin, a wax, and a liquid softener, wherein a complex shear modulus (I) measured immediately after heating the adhesive composition to 180° C. and cooling the same to 20° C. is 1 MPa or less. 1. An adhesive composition comprising:an α-olefin homopolymer;an α-olefin copolymer having a melting point of 90° C. or higher;a tackifier resin;a wax; anda liquid softener,wherein a complex shear modulus (I) measured immediately after heating the adhesive composition to 180° C. and cooling the same to 20° C. is 1 MPa or less.2. The adhesive composition according to claim 1 , wherein the α-olefin homopolymer contains at least one of a 1-butene homopolymer and a propylene homopolymer.3. The adhesive composition according to claim 1 , wherein the α-olefin copolymer contains at least one of a 1-butene/α-olefin copolymer and a propylene/α-olefin copolymer.4. The adhesive composition according to claim 1 , wherein the tackifier resin contains at least one selected from the group consisting of a terpene phenol resin claim 1 , a hydrogenated terpene resin claim 1 , and a hydrogenated petroleum resin.5. The adhesive composition according to claim 1 , wherein the wax contains a polypropylene-based wax.6. The adhesive composition according to having a melt viscosity of 100 Pa·s or less at 180° C.7. The adhesive composition according to claim 1 , wherein a peeling length is 10 mm or less when performing a thermal creep resistance test with a load of 100 g for 24 hours in an atmosphere of 80° C. after bonding adherends via the adhesive composition with an open time of 45 seconds. The present invention relates to a solvent-free non-reactive adhesive composition for automotive interior, which is used when bonding a molded product made of polyolefin or the like and a covering material such as a fabric lined with a ...

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23-01-2020 дата публикации

HYDROCARBON-BASED POLYMERS BEARING TWO ALKOXYSILANE END GROUPS

Номер: US20200024385A1
Принадлежит: BOSTIK SA

Hydrocarbon-based polymer of formula (1) bearing alkoxysilane end groups: 2. The hydrocarbon-based polymer comprising two alkoxysilane end groups as claimed in claim 1 , said polymer being such that the group of formula —[Z]—Si(R)(OR′)is chosen from —Si(OCH); —SiCH(OCH); —CHSi(OCH); —CHSiCH(OCH); —CO—O—(CH)Si(OCH)); and —CO—O—(CH)SiCH(OCH)).9. The preparation process as claimed in claim 8 , such that the chain-transfer agent has the formula CH═CH—[Z]—Si(R)(OR′)in which:R and R′, which may be identical or different, each represent a linear or branched alkyl group comprising from 1 to 4 carbon atoms,Z is a divalent group chosen from alkylene groups, optionally interrupted with an ester function, and comprising from 1 to 22 carbon atoms,q is an integer equal to 0 or 1, andr is an integer equal to 0, 1 or 2.10. The preparation process as claimed in claim 8 , such that the chain-transfer agent is chosen from: CH═CH—Si(OCH); CH═CH—SiCH(OCH); CH═CH—CHSi(OCH); CH═CH—CHSiCH(OCH); CH═CH—CO—O—(CH)Si(OCH); and CH═CH—CO—O—(CH)SiCH(OCH).11. The preparation process as claimed in claim 8 , said process being such that the mole ratio of the CTA to the compound comprising at least one hydrocarbon-based ring is within a range from 1 to 10 mol %.12. The preparation process as claimed in claim 8 , said process also comprising at least one additional hydrogenation of double bonds.13. The preparation process as claimed in claim 12 , such that the additional hydrogenation is performed by catalytic hydrogenation claim 12 , under hydrogen pressure and in the presence of a hydrogenation catalyst.14. An adhesive composition comprising at least one polymer as claimed in and from 0.01% to 3% by weight of at least one crosslinking catalyst.15. A process for bonding by assembly of two substrates claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00014', 'claim 14'}, 'the coating of an adhesive composition as claimed in , in liquid form, preferably in the form of a layer with a thickness in a range ...

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02-02-2017 дата публикации

POLYOLEFIN BASED HOT MELT ADHESIVE COMPOSITION

Номер: US20170029670A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

The present disclosure generally relates to a hot melt adhesive polyolefin composition comprising a high melt flow, butene-1 copolymer suitable to be used as a glue in the paper and packaging industry, in furniture manufacturing, e.g. for edgebands, square edges and softforming, for paneling in high moisture environments, and as a glue in tufted or needle punched carpets. 1. A hot melt adhesive polyolefin composition comprising:(A) a high melt flow butene-1 copolymer containing from 2 to 6% by weight of derived units of ethylene, having a melt flow rate (MFR) measured according to ISO 1133 (190° C., 2.16 kg) ranging from 200 to 1500 g/10′;(B) optionally at least one additional polymer component, selected from the group consisting of amorphous poly-alpha-olefins, thermoplastic polyurethanes, ethylene/(meth)acrylate copolymers, and ethylene/vinyl acetate copolymers and mixtures thereof;(C) optionally at least one additional resin material selected from aliphatic hydrocarbon resin, terpene/phenolic resin, polyterpenes, rosin, rosin esters, derivatives thereof and mixtures thereof;(D) optionally at least a material selected from waxes, oils or mixture thereof.2. A hot melt adhesive polyolefin composition according to claim 1 , wherein the butene-1 copolymer component (A) has a molecular weight distribution (Mw/Mn) lower than 4.3. A hot melt adhesive polyolefin composition according to claim 1 , comprising in percent by weight of the hot melt adhesive composition:from 5 to 85% of component (A);from 0.001-30% of component (B);from 10 to 75% of component (C); andfrom 0.001 to 50% of component (D).4. A hot melt adhesive polyolefin composition according to having viscosity of from 7000 to less than 500000 mPa·sec claim 1 , according to ASTM D 3236-73 claim 1 , at 190° C.5. A packaging industry or furniture items claim 1 , comprising the hot melt adhesive polyolefin composition according to .6. A tufted or needle punched carpets claim 1 , comprising the hot melt adhesive ...

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04-02-2016 дата публикации

LOW APPLICATION TEMPERATURE AMORPHOUS POLY-a-OLEFIN ADHESIVE

Номер: US20160032153A1
Принадлежит:

It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles. 1wherein the hot melt adhesive has a viscosity of less than about 6,000 cP at 150° C.. A hot melt adhesive comprising at least 45 wt %, based on the adhesive, of an amorphous polybutene copolymer having (a) greater than about 50 wt % of 1-butene monomer; (b) comonomers of ethylene, hexene or octene; (c) a softening point of from about 70 to about 105° C.; (d) a viscosity of less than about 1,900 cP at 190° C., and (e) a tan δ value greater than 30 at 140° C. The invention relates to a low application temperature amorphous poly-α-olefin adhesive used on nonwoven articles. The adhesive is particularly useful in the construction of nonwoven articles, e.g., disposable absorbent articles such as diapers, feminine hygiene articles, adult incontinence devices, underpads, bed pads, industrial pads and the like.Hot melt adhesives are applied to a substrate while in a molten state and cooled to harden the adhesive layer. Such adhesives are widely used for various commercial and industrial applications such as product assembly and packaging, and have been widely used in the nonwoven industry to make nonwoven articles. In these applications, adhesive is applied to at least one substrate for binding the substrate to a second similar or different substrate.In a hot melt adhesive, base polymer provides cohesive strength and elasticity. The use of high molecular weight polymer or high polymer content usually promotes cohesive strength and adhesion; however, it also results in significant melt viscosity increase. A hot melt adhesive with high viscosity may require very high processing temperature, at which polymers are susceptible to degradation, charring, gelling and loss of ...

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30-01-2020 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20200030152A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. An ostomy skin barrier comprising:a first adhesive that includes a high molecular weight polymeric buffer composition; anda second adhesive, that does not contain a high molecular weight polymeric buffer composition.2. The ostomy skin barrier of claim 1 , wherein the second adhesive has a lower absorptive capacity than the first adhesive.3. The ostomy skin barrier of claim 1 , wherein the second adhesive includes a hydrocolloid.4. The ostomy skin barrier of claim 1 , wherein the non-neutralized high molecular weight polymeric acid is high molecular weight polyacrylic acid and the partially neutralized high molecular weight polymeric acid is partially neutralized high molecular weight polyacrylic acid.5. The ostomy skin barrier of claim 1 , wherein the first adhesive includes 40 wt. % of polyisobutylene claim 1 , 16 wt. % of styrene-isoprene-styrene copolymer claim 1 , 5 wt. % of liquid PIB claim 1 , 4 wt. % of polyethelyene fibers claim 1 , 20 wt. % of cross linked polyacrylic acid claim 1 , and 15 wt. % of cross linked partially neutralized polyacrylic acid.6. The ostomy skin barrier of claim 1 , wherein the second adhesive includes 55.5 wt. % polyisobutylene claim 1 , 14.5 wt. % of styrene-isoprene-styrene copolymer claim 1 , 5 wt. % of polyethylene fibers claim 1 , 8.3 wt. % of pectin claim 1 , and 16.7 wt. % of CMC.7. The ostomy skin barrier of claim 1 , wherein the first adhesive includes 40 wt. % of polyisobutylene claim 1 , 16 wt. % of styrene-isoprene-styrene copolymer claim 1 , 5 wt. % of liquid PIB claim 1 , 4 wt. % of polyethelyene fibers claim 1 , 20 wt. % of cross linked polyacrylic acid claim 1 , and 15 wt. % of cross linked partially neutralized polyacrylic acid and the second ...

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05-02-2015 дата публикации

ADHESIVE SHEET

Номер: US20150037596A1
Принадлежит:

An adhesive sheet comprising a hot-melt adhesive layer. The hot-melt type adhesive layer comprises a modified polymer (A) to which a cross-linkable group is bonded and a polyolefin (B). The adhesive sheet can adhere to various adherends and the adhesive becomes less likely to squeeze out from an adherend in thermal fusion bonding and sealing of the adherend. In a laminate comprising the adhesive sheet the adhesive layer does not squeeze out from the adherend without being affected by the material of the adherend. 1. An adhesive sheet comprising a hot-melt type adhesive layer , wherein the hot-melt type adhesive layer comprises a modified polymer (A) to which a cross-linkable group is given and a polyolefin (B).2. The adhesive sheet according to claim 1 , wherein the modified polymer (A) comprises a functional group containing silicon.3. The adhesive sheet according to claim 1 , wherein the modified polymer (A) comprises an olefin based modified polymer.4. The adhesive sheet according to claim 1 , wherein the modified polymer (A) comprises a modified polymer based on a copolymer of ethylene with at least one different olefin.5. The adhesive sheet according to claim 1 , wherein the polyolefin (B) has a chemical structure derived from propylene.6. The adhesive sheet according to claim 1 , wherein the adhesive layer is bonded to an adherend through an adhesive auxiliary layer.7. A laminate comprising the adhesive sheet of . The present invention relates to an adhesive sheet, and particularly to an adhesive sheet which is used for electric instruments. As used herein, “electric instrument” means an instrument which converts the other energy into electric energy (electricity), an instrument which converts electric energy into another energy, and an instrument which stores electric energy as electric energy or another energy. Specific examples of the electric instrument include: chemical batteries, such as an alkali dry battery and a lithium ion battery; and, physical ...

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12-02-2015 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20150045711A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings, ostomy skin barriers, and ostomy barrier rings incorporating the compositions. 1. An adhesive composition for a skin-adhering medical device comprising a high molecular weight polymeric buffer composition which provides both pH buffering and fluid absorption and which comprises a non-neutralized high molecular weight polymeric acid and a partially neutralized high molecular weight polymeric acid.2. The adhesive composition of wherein the non-neutralized high molecular weight polymeric acid and the partially neutralized high molecular weight polymeric acid are each independently selected from the group consisting of polyacrylic acid claim 1 , poly(2-alkyl acrylic acid) claim 1 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers claim 1 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers with maleic acid claim 1 , and olefinic polymers substituted with side chains containing free carboxylic acid groups claim 1 , wherein alkyl is from one to five carbons in length and may be straight chain or branched chain.3. The adhesive composition of which further comprises a pressure-sensitive adhesive selected from the group consisting of natural rubbers claim 1 , synthetic rubbers claim 1 , styrene block copolymers claim 1 , polyvinyl ethers claim 1 , poly(meth)acrylates (including both acrylates and methacrylates) claim 1 , polyolefins and silicones.4. The adhesive composition of wherein the pressure-sensitive adhesive is polyisobutylene.5. The adhesive composition of which further comprises styrene-isoprene-styrene block copolymer6. The adhesive composition of which further comprises fibers selected from the group consisting of cotton fibers claim 1 , polyethylene fibers claim 1 , and polypropylene fibers.7. The adhesive composition of wherein ...

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25-02-2016 дата публикации

Production method for laminate film, laminate film, and production method for semiconductor device employing same

Номер: US20160053137A1
Автор: Eiji Hayashishita
Принадлежит: Mitsui Chemicals Tohcello Inc

Provided is a manufacture method of a laminate film accurately precut into a desired shape. The manufactured laminate film comprises an elongated release film having thereon a plurality of insular adhesive films (A) and (B) mutually adjacent in the lengthwise direction, and the method includes: obtaining an elongated laminate having a release film and an adhesive film; precutting the adhesive film to obtain a first peeling part; and peeling off the first peeling part from the release film. The first peeling part includes peripheral parts (A 1 ) and (B 2 ) of insular adhesive films (A) and (B) respectively positioned at one and the other widthwise end side of the release film; and connection part (C) connecting peripheral parts (A 1 ) and (B 2 ), but not including peripheral parts (A 2 ) and (B 1 ) of insular adhesive films (A) and (B) respectively positioned at the other and the one widthwise end side of the release film.

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26-02-2015 дата публикации

CURABLE ENCAPSULANTS AND USE THEREOF

Номер: US20150056757A1
Принадлежит:

The present invention relates to curable barrier encapsulants or sealants for electronic devices that have pressure sensitive adhesive properties. The encapsulants are especially suitable for organic electronic devices that require lower laminating temperature profiles. The encapsulant protects active organic/polymeric components within an organic electronic device from environmental elements, such as moisture and oxygen. 1. A curable encapsulant comprising:a) a polyisobutylene having a Mw of from about 1,000 to about 95,000 Da;b) a functionalized polyisobutylene having (i) a Mw of from about 1,000 to about 95,000 Da and (ii) greater than one free-radical reactive functional group per polymer chain, wherein the free-radical reactive functional group is selected from the group consisting of terminal (meth)acrylates, pendant (meth)acrylates, terminal acrylates, and/or pendant acrylates; andc) a free radical initiator;wherein the curable encapsulant is (i) essentially free of an acrylic monomer with Mw less than about 1,000 Da or volatile organic compound with Mw less than about 1,000 Da; and (ii) essentially free of a tackifier.2. A curable encapsulant comprising:a) a polyisobutylene having a Mw of from about 1,000 to about 95,000 Da;b) a functionalized polyolefin having (i) a Mw of from about 1,000 to about 95,000 Da and (ii) greater than one free-radical reactive functional group per polymer chain, wherein the free-radical reactive functional group is selected from the group consisting of terminal (meth)acrylates, pendant (meth)acrylates, terminal acrylates, and/or pendant acrylates; andc) a free radical initiator;wherein the curable encapsulant is (i) essentially free of an acrylic monomer with Mw less than about 1,000 Da or volatile organic compound with Mw less than about 1,000 Da; and (ii) essentially free of a tackifier.3. A curable encapsulant comprising:a) an amorphous polyalphaolefin having a Brookfield viscosity less than 8,000 cps at 190° C.;b) a ...

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22-05-2014 дата публикации

Adhesive composition and adhesive sheet

Номер: US20140141271A1
Принадлежит: Lintec Corp

Provided is an adhesive sheet having an adhesive layer formed of an adhesive composition that contains 100 parts by mass of a polyisobutylene-based resin (A) having a weight-average molecular weight of from 270,000 to 480,000, from 5 to 55 parts by mass of a polyisobutylene-based resin (B) having a weight-average molecular weight of from 100,000 to 250,000, and from 10 to 55 parts by mass of a hydrogenated petroleum resin (C) having a softening point of from 90 to 135° C.; and provided is an adhesive sheet having at least one adhesive layer wherein the probe tack of the adhesive layer, as measured at a peel rate of 600 mm/min according to JIS-Z0237 (1991), has two maximum values and wherein the first maximum value P1 detected first is at least 4.0 N and the ratio of the second maximum value P2 detected secondarily to the first maximum value P1 [P2/P1] is from 0.25 to 1.50. The adhesive sheets have excellent adhesion force and retention force, can prevent occurrence of zipping, have a low moisture vapor transmission rate, are excellent in transparency and can retard outgas generation.

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12-03-2015 дата публикации

ADHESIVES COMPRISING REACTION PRODUCT OF HALOGENATED POLY(ISOBUTYLENE) COPOLYMERS AND POLYAMINES

Номер: US20150072143A1
Принадлежит:

Adhesive composition are described comprising the reaction product of at least one halogenated copolymer of isobutylene wherein halogen atoms of the copolymer are replaced by a polyamine having a melting point greater than 25° C., thereby crosslinking the copolymer. The isobutylene copolymer comprises halogenated repeat units derived from isoprene, butadiene, para-alkyl styrene, or a combination thereof. The adhesive composition comprises a copolymer of isobutylene repeat units and second repeat units selected from alkene repeat units, para-methyl styrene repeat units, or a combination thereof wherein at least a portion of the second repeat units are directly bonded to one another with a polyamine crosslinker having a melting point greater than 25° C. Also described are adhesive articles, such as tapes, comprising such adhesives. 1. An adhesive composition comprising the reaction product of at least one halogenatedcopolymer of isobutylene wherein halogen atoms of the copolymer are replaced by a cyclic aliphatic polyamine having a melting point greater than 25° C., thereby crosslinking the copolymer.23-. (canceled)4. The adhesive composition of wherein the polyamine crosslinker has a melting point of at least 100° C.5. The adhesive composition of comprising greater than 0% by weight but less than 10% by weight of isobutylene copolymer units bonded to each other.6. The adhesive composition of wherein the isobutylene copolymer comprises halogenated repeat units derived from isoprene claim 1 , butadiene claim 1 , para-alkyl styrene claim 1 , or a combination thereof.9. The adhesive composition of wherein the halogenated copolymer has a molecular weight (Mw) of 50 claim 1 ,000 to 5 claim 1 ,000 claim 1 ,000.10. The adhesive composition of wherein the halogenated copolymer has a molecular weight no greater than 1 claim 9 ,000 claim 9 ,000 g/mole or 500 claim 9 ,000 g/mole.11. The adhesive composition of further comprising 5 to 50 wt.-% of tackifier.12. The adhesive ...

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11-03-2021 дата публикации

Polyisobutylene adhesive comprising polyolefin copolymer additive

Номер: US20210071041A1
Принадлежит: 3M Innovative Properties Co

An adhesive composition are articles are described. The adhesive composition comprises a polyisobutylene polymer component; up to 20 wt.-% of a polyolefin copolymer comprising polymerized units of an acidic monomer; and optionally, at least one tackifier. The polyolefin copolymer typically comprises C 2 -C 4 alkylene units. The polyolefin copolymer comprises polymerized units of a carboxylic acid, or unsaturated derivative thereof. In some embodiments, the polyolefin copolymer has a melting temperature ranging from 50 to 150° C. In some embodiments, the polyolefin copolymer has an acid number of less than 40, 35, 30, or 25 mgKOH/g.

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29-05-2014 дата публикации

ADHESIVES AND USE THEREOF

Номер: US20140147669A1
Принадлежит: HENKEL US IP LLC

The invention provides adhesives and methods of using the adhesives to bond substrates together, and to articles of manufacture comprising the adhesives. It has been discovered that an adhesive with a polymer content greater than 70 weight percent can be formulated with a blend of (i) a metallocene catalyzed polypropylene polymer that has a density range of about 0.70 to about 0.91 g/cmand a melt viscosity less than 50,000 cP at 190° C. and (ii) a Ziegler-Natta catalyzed amorphous polybutene and/or polypropylene copolymer. Such adhesives have high creep resistance making them particularly well suited for disposable personal care garments. 2. The adhesive of wherein the adhesive comprises less than about 25 wt % of a tackifier and/or diluent.3. The adhesive of wherein the metallocene catalyzed polypropylene polymer further comprises a C-Cα-olefin comonomer.4. The adhesive of wherein the metallocene catalyzed polypropylene polymer is an isotatic polypropylene.5. The adhesive of wherein the metallocene catalyzed polypropylene polymer is an atactic polypropylene.6. The adhesive of wherein the viscosity of the Ziegler-Natta catalyzed amorphous polymer ranges from about 500 cP to about 3 claim 1 ,000 cP at 190° C.7. The adhesive of wherein the Ziegler-Natta catalyzed amorphous polymer is the polybutene copolymer claim 1 , which comprises a C-C claim 1 , C-Cα-olefin comonomer.8. The adhesive of wherein the Ziegler-Natta catalyzed amorphous polymer is the polypropylene copolymer claim 1 , which comprises a C claim 1 , C-Cα-olefin comonomer.9. The adhesive of wherein the ratio of (i) the metallocene catalyzed polypropylene polymer to (ii) the Ziegler-Natta catalyzed amorphous polymer ranges from about 1:10 to about 1:1.10. The adhesive of wherein the tackifier is selected from the group consisting of natural and modified polyterpenes claim 1 , cyclic or acyclic Cresins claim 1 , cyclic or acyclic Cresins claim 1 , aliphatic and aromatic petroleum hydrocarbon resins claim 1 , ...

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15-03-2018 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20180071150A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. An ostomy skin barrier comprising:a first adhesive that includes a high molecular weight polymeric buffer composition having a high molecular weight polymeric acid present in non-neutralized form and a high molecular weight polymeric acid present in partially neutralized form; anda second adhesive having a composition different from the composition of the first adhesive.2. The ostomy skin barrier of claim 1 , wherein the second adhesive does not contain a high molecular weight polymeric buffer.3. The ostomy skin barrier of claim 1 , wherein the second adhesive has a lower absorptive capacity than the first adhesive.4. The ostomy skin barrier of claim 1 , wherein the second adhesive includes a hydrocolloid.5. The ostomy skin barrier of claim 1 , wherein the non-neutralized high molecular weight polymeric acid is high molecular weight polyacrylic acid and the partially neutralized high molecular weight polymeric acid is partially neutralized high molecular weight polyacrylic acid.6. The ostomy skin barrier of claim 1 , wherein the first adhesive includes 40 wt. % of polyisobutylene claim 1 , 16 wt. % of styrene-isoprene-styrene copolymer claim 1 , 5 wt. % of liquid PIS claim 1 , 4 wt. % of polyethelyene fibers claim 1 , 20 wt. % of cross linked polyacrylic acid claim 1 , and 15 wt. % of cross linked partially neutralized polyacrylic acid.7. The ostomy skin barrier of claim 1 , wherein the second adhesive includes 55.5 wt. % polyisobutylene claim 1 , 14.5 wt. % of styrene-isoprene-styrene copolymer claim 1 , 5 wt. % of polyethylene fibers claim 1 , 8.3 wt. % of pectin claim 1 , and 16.7 wt. % of CMC.8. The ostomy skin barrier of claim 1 , wherein the first adhesive includes 40 wt. % of polyisobutylene ...

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22-03-2018 дата публикации

HOT MELT ADHESIVE

Номер: US20180078425A1
Автор: Bunnelle William L.
Принадлежит:

A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a compatible amorphous polymer. 1. An absorbent article comprising a liquid permeable interior layer , a liquid impervious exterior layer , and an absorbent layer therebetween; (i) 90% by weight of an amorphous polyolefin composition comprising a copolymer having more than 40 mole % 1-butene; and', {'sub': 'n', '(ii) a second amorphous polymer comprising at least one butene monomer, the polymer having a molecular weight (MW) of at least 1000 wherein the polymer is compatible with the polyolefin;'}], 'further comprising a hot melt adhesive composition consisting essentially ofwherein the interior layer comprises a nonwoven;wherein the absorbent layer comprises a super absorbent material;wherein the exterior layer comprises a multilayer structure comprising a polymer film; andwherein the article comprises an adhesive bond between the interior layer comprising a nonwoven and the exterior layer comprising a multi-layer structure comprising a polymer film.2. The absorbent article of claim 1 , comprising another exterior layer comprising a nonwoven layer.3. The absorbent article of claim 1 , wherein the hot melt adhesive bonds the interior layer and the exterior layer.4. The absorbent article of claim 1 , wherein the adhesive may be coated claim 1 , applied claim 1 , or sprayed onto either a nonwoven or polymer film layer of the article.5. The absorbent article of claim 1 , wherein the article is selected from the group consisting of infant diapers claim 1 , adult diapers claim 1 , and feminine care pads.6. The absorbent article of claim 1 , wherein the adhesive is substantially free of a tackifier.7. The absorbent article of claim 1 , wherein the second amorphous polymer comprises a viscous liquid with molecular weight of 1000-20 claim 1 ,000 and a Saybolt Universal seconds (SUS ...

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05-03-2020 дата публикации

POLYMERIC FILMS AND DISPLAY DEVICES CONTAINING SUCH FILMS

Номер: US20200075894A1
Принадлежит:

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index ni; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein ni is different than n. 1. A polymeric film comprising: [{'sub': '1', 'a first polymeric matrix having a refractive index n; and'}, {'sub': '2', 'particles having a refractive index nuniformly dispersed within the first polymeric matrix;'}, 'wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nm to 3000 nm; and', {'sub': 1', '2, 'wherein nis different than n;'}], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises a clarity of at least 80%;', 'a visible light transmission of at least 85%;', 'a bulk haze of 15% to 80%; and', 'a normalized micro-haze non-uniformity of not more than 12% across the polymeric film., 'wherein the polymeric film has2. The polymeric film of further comprising a second polymeric layer disposed on one major surface of the first polymeric layer; wherein the second polymeric layer comprises a second polymeric matrix having a refractive index n; wherein the first polymeric matrix and the second polymeric matrix are the same or different; and wherein at least one of the first polymeric matrix and the second polymeric matrix is an adhesive matrix.3. The polymeric film of wherein the first polymeric matrix and the second polymeric matrix each comprises an ...

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26-03-2015 дата публикации

Hot Melt Adhesive With Functionalized Metallocene Catalyzed Polyolefins

Номер: US20150087760A1
Принадлежит: BOSTIK, INC.

A hot melt adhesive composition containing a functionalized polymer, namely, a metallocene catalyzed polyolefin elastomer grafted with maleic anhydride, together with a non-functionalized secondary polymer, namely, a metallocene catalyzed random or block polyolefin elastomer having a melt index equal to or greater than 15, a first tackifying resin having a softening point of at least 95° C., and a wax. The composition may optionally include an aromatic reinforcing resin having a softening point equal to or higher than 115° C., and a plasticizer. These hot melts provide superior hot tack, excellent adhesion, flexibility, and heat resistance above 150° F. in applications such as rigid packaging, hot fill packaging, and bottle labeling. 2. The composition of further including about 1% to about 25% by weight of an auxiliary polymer selected from the group consisting of metallocene catalyzed polyolefin elastomers claim 1 , propylene based copolymers claim 1 , ethylene-based copolymers claim 1 , ethylene/alpha-olefin copolymers claim 1 , olefin block copolymers claim 1 , ethylene vinyl acetate (EVA) claim 1 , ethylene n-butyl acrylate copolymers claim 1 , and styrenic block copolymers.3. The composition of wherein said wax is selected from the group consisting of paraffin wax claim 1 , microcrystalline wax claim 1 , and synthetic waxes claim 1 , specifically but not limited to chemically modified waxes claim 1 , polymerized alpha olefin claim 1 , Fisher-Tropsch claim 1 , and other Polyethylene (PE) wax.4. The composition of wherein said first tackifying resin has a softening point of from about 95° C. to about 140° C.5. The composition of wherein said composition has a viscosity equal to or less than 10 claim 1 ,000 centipoise at 163° C.6. The composition of comprising about 1% to about 10% of said aromatic reinforcing resin claim 1 , wherein the said aromatic reinforcing resin is a product from pure monomer polymerization and has a softening point of from about 115° C. ...

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19-06-2014 дата публикации

LOW APPLICATION TEMPERATURE HOT MELT ADHESIVE

Номер: US20140171586A1
Принадлежит:

The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles. 1. A process for bonding a first substrate to a second substrate with a low application temperature hot melt adhesive comprising the steps of:(1) applying to at least a portion of the first substrate a low application temperature hot melt adhesive;(2) bringing the second substrate in contact with the adhesive present on the first substrate, and (3) allowing the adhesive to solidify, whereby the first substrate is bonded to the second substrate; (a) at least about 5 wt % of an olefin copolymer, wherein the olefin copolymer has an average Melt Index range of greater than 5 and less than about 35 g/10 minutes at 190° C.;', '(b) from about 40 to about 70 wt % of a tackifier;', '(c) from about 0.5 to about 5 wt % a wax;', '(d) from about 1 to about 30 wt % of a plasticizer diluent; and', '(e) from 0 to about 5 wt % of an optional component, 'wherein the adhesive compriseswherein the sum of the total wt % of the adhesive equals to 100; andwherein the adhesive has a viscosity of below about 11,000 centipoises at 120° C., a yield stress (12 in/min extensional rate) range of from about 7 to about 50 psi at 25° C., a cube flow of less than about 200% at 60° C., and a cross-over temperature (when G″=G′) greater than about 70° C.2. The process of wherein the at least one of the substrate is a liquid-permeable substrate and the other substrate is a liquid-impermeable substrate.3. The process of wherein the adhesive is applied to the first substrate at and/or below about 120° C.4. An article manufactured with a low application hot melt adhesive comprising:(a) at least about 5 wt % of an olefin copolymer, wherein the olefin copolymer has an average ...

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06-04-2017 дата публикации

ARTICLE WITH TACKIFIER-FREE ADHESIVE

Номер: US20170095588A1
Принадлежит:

Disposable absorbent articles assembled from a collection of components using an adhesive comprising an amorphous polyolefin composition and a heterophase polyolefin composition comprising amorphous character and crystalline blocks. 1. A disposable absorbent article having a longitudinal centerline and a lateral centerline , a front waist region with a front waist edge , a rear waist region with a rear waist edge , a crotch region disposed between said front and rear waist regions and two spaced apart longitudinal side edges joining said front waist edge to said rear waist edge and comprising an assembly of components including:a) a topsheet;b) a backsheet underlying said topsheet;c) an absorbent core disposed between said topsheet and said backsheet, wherein said absorbent core comprises at least one of a core cover, a dusting layer, an acquisition layer, a distribution layer and a storage member; i) a fastening system for joining said front waist region to said rear waist region when said absorbent article is worn;', 'ii) barrier cuffs lying adjacent and inboard one of said longitudinal side edges;', 'iii) gasketing cuffs lying between said longitudinal side edge and said barrier cuff;', 'iv) front ears disposed in said front waist region;', 'v) back ears disposed in said rear waist region; and', 'vi) a receiving member; and, 'd) at least one additional component selected from the group consisting of (i) about 90-10 wt. % of an amorphous polyolefin composition comprising at least about 40 wt. % of 1-butene monomer units; and', '(ii) about 10-90 wt. % of a heterophase polyolefin propylene copolymer composition comprising propene comonomer units and a comonomer unit selected from the group consisting of ethylene, 1-hexene, 1-octene, and amorphous blocks and crystalline blocks., 'e) a hot melt adhesive composition joining at least two absorbent article components together, wherein said adhesive composition comprises2. The absorbent article of claim 1 , wherein said ...

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21-04-2016 дата публикации

SOLUTION POLYMERIZATION PROCESS

Номер: US20160108221A1
Принадлежит: NOVA CHEMICALS (INTERNATIONAL) S.A.

This disclosure relates to a continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a single site catalyst formulation are injected into a first reactor forming a first ethylene interpolymer. Process solvent, ethylene, optional comonomers, optional hydrogen and a heterogeneous catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. Optionally, a third ethylene interpolymer is formed in an optional third reactor, wherein an optional heterogeneous catalyst formulation may be employed. In a solution phase, the first, second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is passivated and following a phase separation process an ethylene interpolymer product is recovered. 1. A continuous solution polymerization process comprising:i) injecting ethylene, a process solvent, a single site catalyst formulation, optionally one or more α-olefins and optionally hydrogen into a first reactor to produce a first exit stream containing a first ethylene interpolymer in said process solvent;ii) passing said first exit stream into a second reactor and injecting into said second reactor, ethylene, said process solvent, a first heterogeneous catalyst formulation, optionally one or more α-olefins and optionally hydrogen to produce a second exit stream containing a second ethylene interpolymer and said first ethylene interpolymer in said process solvent;iii) passing said second exit stream into a third reactor and optionally injecting into said third reactor, ethylene, process solvent, one or more α-olefins, hydrogen and a second heterogeneous catalyst formulation to produce a third exit stream containing an optional third ethylene interpolymer, said second ethylene interpolymer and said first ethylene interpolymer in ...

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21-04-2016 дата публикации

ETHYLENE INTERPOLYMERS HAVING IMPROVED COLOR

Номер: US20160108222A1
Принадлежит: NOVA CHEMICALS (INTERNATIONAL) S.A.

This disclosure relates to a continuous solution polymerization process where ethylene interpolymer products having an improved color index; for example, products having higher whiteness (Whiteness Index (WI)) and lower yellowness (Yellowness Index (YI)). Product color was improved by adjusting selected solution polymerization reaction conditions. The disclosed ethylene interpolymer products have improved color relative to comparative polyethylene compositions. 1. A continuous solution polymerization process to provide an ethylene interpolymer product having improved color comprising:i) selecting a desired color index value;ii) preparing a single site catalyst formulation in a first catalyst solution having a first catalyst solution temperature (CST-1);iii) adjusting said CST-1;iv) injecting said first catalyst solution, ethylene, a process solvent, optionally one or more α-olefins and optionally hydrogen into a first reactor to produce a first exit stream containing a first ethylene interpolymer in said process solvent;v) preparing a first heterogeneous catalyst formulation in a second catalyst solution having a second catalyst solution temperature (CST-2);vi) adjusting said CST-2;vii) passing said first exit stream into a second reactor and injecting into said second reactor, said second catalyst solution, ethylene, said process solvent, optionally one or more α-olefins and optionally hydrogen to produce a second exit stream containing a second ethylene interpolymer and said first ethylene interpolymer in said process solvent;viii) optionally preparing a second heterogeneous catalyst formulation in a third catalyst solution having a third catalyst solution temperature (CST-3);ix) optionally adjusting said CST-3;x) passing said second exit stream into a third reactor and optionally injecting into said third reactor, said third catalyst solution, ethylene, said process solvent, one or more α-olefins and hydrogen to produce a third exit stream containing an optional ...

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23-04-2015 дата публикации

HOT MELT ADHESIVE

Номер: US20150112012A1
Автор: Takamori Ai
Принадлежит:

Disclosed is a hot melt adhesive comprising: (A) a copolymer of ethylene/olefin having 3-20 carbons; and (B) a polyester polyol. The hot melt adhesive can be applied at low temperature and has a suitably long open time. Particularly, the hot melt adhesive is excellent in adhesion to a paper and is useful as a hot melt adhesive for papers. 1. A hot melt adhesive comprising:(A) a copolymer of ethylene/olefin having 3-20 carbons; and(B) a polyester polyol.2. The hot melt adhesive according to claim 1 , wherein the copolymer of ethylene/olefin having 3-20 carbons (A) includes a copolymer of ethylene with octene.3. The hot melt adhesive according to claim 1 , wherein the polyester polyol (B) has a glass transition temperature of 30° C. or lower.4. The hot melt adhesive according to claim 1 , wherein the polyester polyol (B) has at least one chemical structure selected from chemical structures derived from phthalic acids and chemical structures derived from adipic acid.5. The hot melt adhesive according to claim 4 , wherein the least one chemical structure selected from chemical structures derived from phthalic acids is selected from the group consisting of phthalic acid claim 4 , terephthalic acid claim 4 , isophthalic acid claim 4 , and phthalic anhydride; and adipic acids such as adipic acid claim 4 , 2-methyladipic acid claim 4 , 3-methyladipic acid claim 4 , and mixtures thereof.6. A hot melt adhesive comprising:(A) an ethylene with octene; and wherein the polyol is selected from ethylene glycol, neopentyl glycol or hexanediol; and', 'wherein the phthalic acids derivative is selected from the group consisting of phthalic acid, terephthalic acid, isophthalic acid, and phthalic anhydride; and adipic acids such as adipic acid, 2-methyladipic acid, 3-methyladipic acid, and mixtures thereof, '(B) a polyester polyol that has a glass transition temperature of 30° C. or lower, and is reaction product of polyol and a phthalic acid derivative;'}7. An article comprising the ...

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02-04-2020 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20200100946A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. An ostomy skin barrier comprising:a first adhesive;a second adhesive, the second adhesive including a hydrocolloid; anda buffer composition.2. The ostomy skin barrier of claim 1 , further comprising:a first barrier surface containing the first adhesive; anda second barrier surface containing the second adhesive.3. The ostomy skin barrier of claim 2 , wherein the first barrier surface is an inner layer formed from the first adhesive and the second barrier surface is a backing layer formed from the second adhesive claim 2 , wherein the backing layer extends over and beyond the inner layer to form an edge portion of the barrier.4. The ostomy skin barrier of claim 2 , wherein the first barrier surface is configured to contact a peristomal area that is immediately adjacent to a wearer's stoma.5. The ostomy skin barrier of claim 1 , wherein the second adhesive has a lower absorptive capacity than the first adhesive.6. The ostomy skin barrier of claim 1 , wherein the buffer composition includes a non-neutralized high molecular weight polymeric acid and a partially neutralized high molecular weight polymeric acid.7. The ostomy skin barrier of claim 6 , wherein the non-neutralized high molecular weight polymeric acid is high molecular weight polyacrylic acid and the partially neutralized high molecular weight polymeric acid is partially neutralized high molecular weight polyacrylic acid.8. The ostomy skin barrier of claim 1 , wherein the buffer composition includes 20 wt. % of cross linked polyacrylic acid and 15 wt. % of cross linked partially neutralized polyacrylic acid.9. The ostomy skin barrier of claim 1 , wherein the second adhesive includes 55.5 wt. % polyisobutylene claim 1 , 14.5 wt. % of styrene- ...

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30-04-2015 дата публикации

Hot melt adhesive

Номер: US20150114583A1
Автор: Ai Takamori
Принадлежит: Henkel AG and Co KGaA

Disclosed is a hot melt adhesive comprising: (A) an ethylene-based copolymer; (B) a polyester polyol; and (C) a wax, wherein the wax (C) includes both (C1) a Fischer-Tropsch wax and (C2) a petroleum wax. The hot melt adhesive can be applied at a low temperature, and also has a suitably long open time and is excellent in adhesion to a paper. The hot melt adhesive can be used preferably for producing a paper product. A paper product obtainable by using the hot melt adhesive is also provided.

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09-06-2022 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20220175587A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. An ostomy skin barrier comprising:a first barrier surface containing a water insoluble first adhesive;a second barrier surface containing a water insoluble second adhesive that includes a hydrocolloid; anda buffer composition that includes a non-neutralized cross-linked polyacrylic acid and a partially neutralized cross-linked polyacrylic acid.2. The ostomy skin barrier of further comprising an optional ingredient that includes an antioxidant claim 1 , an antibiotic claim 1 , an antimicrobial agent claim 1 , an anti-inflammatory agent claim 1 , a skin protective agent claim 1 , and/or an active ingredient.3. The ostomy skin barrier of claim 1 , wherein the second adhesive has a lower absorptive capacity than the first adhesive.4. The ostomy skin barrier of claim 1 , wherein the first adhesive includes polyisobutylene claim 1 , a styrene-isoprene-styrene copolymer claim 1 , and polyethylene fibers.5. The ostomy skin barrier of claim 1 , wherein the second adhesive includes polyisobutylene claim 1 , a styrene-isoprene-styrene copolymer claim 1 , polyethylene fibers claim 1 , pectin claim 1 , and CMC.6. The ostomy skin barrier of claim 1 , wherein the first barrier surface is an inner layer formed from the first adhesive and the second barrier surface is a backing layer formed from the second adhesive claim 1 , wherein the backing layer extends over and beyond the inner layer to form an edge portion of the barrier.7. The ostomy skin barrier of claim 6 , wherein the first barrier surface is configured to contact a peristomal area that is immediately adjacent to a wearer's stoma.8. The ostomy skin barrier of claim 6 , wherein the first barrier surface includes a release layer.9. A wound dressing ...

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27-04-2017 дата публикации

ADHESIVE AGENT COMPOSITION FOR SKIN AND PATCH MATERIAL FOR SKIN

Номер: US20170112958A1
Принадлежит:

The present invention provides a dermatological adhesive composition having an enhanced skin protective effect. The present invention provides a dermatological adhesive composition comprising a resin component for forming an adhesive and a lamellar structure formed of a lipid composition; a dermatological adhesive composition comprising a resin component for forming an adhesive, and a lipid composition containing at least one selected from the group consisting of sphingolipids and sterols and at least one selected from the group consisting of higher alcohols and surfactants; and a dermatological patch including a base sheet, and an adhesive layer formed of the dermatological adhesive composition and disposed on the base sheet. 1. A dermatological adhesive composition comprising:a resin component, anda lamellar structure comprising a lipid composition.2. The dermatological adhesive composition according to claim 1 ,wherein the lamellar structure comprises a lipid composition comprising a sphingolipid and/or a sterol.3. The dermatological adhesive composition according to claim 1 ,wherein the lamellar structure comprises a lipid composition comprising at least one selected from the group consisting of sphingolipids, sterols, and surfactants; and higher alcohol.4. The dermatological adhesive composition according to claim 1 ,wherein the lamellar structure comprises a lipid composition comprising a glycerol fatty acid ester, and an acylated lactic acid and/or a salt thereof.5. The dermatological adhesive composition according to claim 1 ,wherein the lamellar structure comprises a lipid composition comprising polyoxyalkylene alkyl ether or polyoxyalkylene glycol fatty acid ester as a surfactant.6. The dermatological adhesive composition according to claim 1 ,wherein the lamellar structure comprises the lipid composition comprising at least one selected from the group consisting of the sphingolipids, the sterols, and the surfactants in a total amount of 5 to 80 mass %, ...

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27-04-2017 дата публикации

METHOD FOR IMPROVING THE OPERABILITY OF AN OLEFIN POLYMERIZATION REACTOR

Номер: US20170114254A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield. 1. A polyolefin-based composition comprising:(A) a first polymer composition comprising a polyolefin grafted with an unsaturated monomer;(B) a second polymer composition comprising a polyethylene; and [{'sub': '1', '(i) a first polyisobutylene having a Viscosity Average Molecular Weight (VAMW); and'}, {'sub': '2', '(ii) a second polyisobutylene having a Viscosity Average Molecular Weight (VAMW);'}, {'sub': 1', '2, 'wherein VAMW≠VAMW.'}], '(C) a third polymer composition comprising2. The polyolefin-based composition of claim 1 , further comprising an additives composition having one or more additives.3. The polyolefin-based composition of claim 1 , wherein the polyolefin grafted with an unsaturated monomer is a polyethylene grafted with maleic anhydride.4. The polyolefin-based composition of claim 1 , wherein the polyethylene is a high density polyethylene.5. The polyolefin-based composition of claim 1 , wherein the first polyisobutylene and the second polyisobutylene are present in an about 50:50 ratio.6. The polyolefin-based composition of claim 1 , wherein{'sub': '1', 'sup': 4', '5, '(A) VAMWis from about 3*10to about 1*10grams per mole; and'}{'sub': '2', 'sup': 5', '6, '(B) VAMWis from about 2*10to about 5*10grams per mole.'}7. The polyolefin-based composition of claim 1 , wherein{'br': None, 'sub': 1', '2, '(5*VAMW) Подробнее

02-05-2019 дата публикации

LAMINATING ADHESIVE, LAMINATE USING THE SAME, AND SECONDARY BATTERY

Номер: US20190131595A1
Принадлежит: DIC CORPORATION

An object of the present invention is to provide a laminating adhesive composition for a laminate, the composition having excellent adhesion between a metal layer and a plastic layer of a laminate, electrolyte solution resistance even after low-temperature aging, and a high retention percentage of the resistance, and allowing no delamination between layers to occur over time; a method for producing the laminating adhesive composition; a laminate using the adhesive; and a secondary battery. The object is achieved by providing a laminating adhesive containing a polyolefin resin (A) and an epoxy compound (B). The polyolefin resin (A) is a polymer in which propylene and 1-butene are the main monomers and has a crystallization peak temperature within the range of 28° C. to 38° C. 1. A laminating adhesive comprising a polyolefin resin (A) and an epoxy compound (B) ,wherein the polyolefin resin (A) is a polymer in which propylene and 1-butene are main monomers and has a crystallization peak temperature within a range of 28° C. to 38° C.2. The laminating adhesive according to claim 1 , wherein the polyolefin resin (A) contains a modified polyolefin resin having an acid value of 1 to 200 mgKOH/g and/or a modified polyolefin resin having a hydroxyl value of 1 to 200 mgKOH/g.3. The laminating adhesive according to claim 1 , wherein an essential component of the epoxy compound (B) is an epoxy compound that has two or more epoxy groups per molecule and one or more hydroxyl groups per molecule and that has a weight-average molecular weight of 3000 or less.4. The laminating adhesive according to claim 1 , wherein 0.01 to 30 parts by mass of the epoxy compound (B) is blended relative to 100 parts by mass of the polyolefin resin (A).5. The laminating adhesive according to claim 1 , further comprising a thermoplastic elastomer claim 1 , a tackifier claim 1 , a catalyst claim 1 , a phosphate compound claim 1 , a melamine resin claim 1 , a silane coupling agent claim 1 , or a reactive ...

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07-08-2014 дата публикации

OLEFIN-BASED POLYMER COMPOSITIONS AND ARTICLES PREPARED THEREFROM

Номер: US20140221559A1
Автор: Weeks Ronald J.
Принадлежит: Dow Global Technologies LLC

The invention provides a composition comprising at least the following: A) an ethylene/a-olefin interpolymer with a density ≦0.90 g/cc, and an I2 greater than 10; B) a functionalized olefin-based polymer; and C) an olefin-based polymer with a density greater than 0.90 g/cc, and selected from the group consisting of the following: a) an ethylene homopolymer, b) an ethylene/α-olefin interpolymer, c) a propylene/ethylene interpolymer, and d) a propylene/α-olefin interpolymer; and wherein the [density (C)−density (A)] is greater than, or equal to, 0.017; and wherein the weight ratio of [(A+C)/B] is greater than, or equal to, 3.0. 2. The composition of claim 1 , wherein weight ratio of “component A to component C” is greater than claim 1 , or equal to claim 1 , 1.3. The composition of claim 1 , wherein the wherein weight ratio of “component A to component C” is from 1 to 5.4. The composition of claim 1 , wherein component B is present in an amount less than claim 1 , or equal to claim 1 , 4 weight percent claim 1 , based on the weight of the composition.5. The composition of claim 1 , wherein the α-olefin of the ethylene/α-olefin interpolymer of component A is a C3-C10 α-olefin.6. The composition of claim 1 , wherein the ethylene/α-olefin interpolymer of component A has a melt index (I2) greater than claim 1 , or equal to claim 1 , 15 g/10 min.7. The composition of claim 1 , wherein the ethylene/α-olefin interpolymer of component A has a melt index (I2) from greater than 10 to 200 g/10 min8. The composition of claim 1 , wherein the weight ratio of [(A+C)/B] is greater than claim 1 , or equal to claim 1 , 5.0.9. The composition of claim 1 , wherein the composition has a density less than claim 1 , or equal to claim 1 , 0.900 g/cc.10. The composition of claim 1 , wherein the composition has a melt index (I2) greater than 10 g/10 min.11. The composition of claim 1 , further comprising one or more additives.12. The composition of claim 11 , wherein the one or more additives ...

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28-05-2015 дата публикации

APAO-based hot melt adhesives

Номер: US20150148473A1
Принадлежит:

Ethylene-co-propylene-co-butene-1 terpolymers, made either with or without an in-reactor-added organosilicon external donor, are used in the formulation of improved-performance, APAO-based, hot melt adhesives. 1. A hot-melt adhesive comprising:a) an APAO terpolymer;b) a tackifier;c) a wax component;d) a component selected from the group consisting of maleic anhydride grafted polyethylene waxes, maleic anhydride grafted polypropylene waxes, and low molecular weight polymers; and,e) a liquid plasticizer.2. The hot-melt adhesive recited in wherein the terpolymer has a melt viscosity of about 1000 cps to about 10 claim 1 ,000 cps.3. The hot-melt adhesive recited in wherein the tackifier comprises a partially hydrogenated synthetic hydrocarbon tackifier.4. The hot-melt adhesive recited in wherein the tackifier comprises a fully hydrogenated synthetic hydrocarbon tackifier.5. The hot-melt adhesive recited in wherein the low molecular weight polymers are grafted with maleic anhydride.6. The hot-melt adhesive recited in wherein the wax component comprises a paraffinic wax.7. The hot-melt adhesive recited in wherein the wax component comprises a metallocene wax.8. The hot-melt adhesive recited in where in the liquid plasticizer comprises a mineral oil.9. The hot-melt adhesive recited in where in the liquid plasticizer comprises paraffinic oil.10. The hot-melt adhesive recited in wherein the APAO terpolymer is made in the presence of an externally-added organosilicon donor.11. The hot-melt adhesive recited in wherein the externally-added organosilicon donor is cyclohexylmethyl dimethoxy silane.12. The hot-melt adhesive recited in wherein the externally-added organosilicon donor is phenyl triethoxysilane.13. The hot-melt adhesive recited in wherein the APAO terpolymer comprises at least one ethylene-co-propylene-co-butene-1 terpolymer.14. The hot-melt adhesive recited in wherein the APAO terpolymer has a 1-butene content of between about 10% and about 25% by weight.15. The hot ...

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31-05-2018 дата публикации

LOW APPLICATION TEMPERATURE HOT MELT ADHESIVE

Номер: US20180148615A1
Принадлежит:

The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles. 2. The low application temperature hot melt adhesive of claim 1 , further comprising up to about 50 wt % of an additional polymer claim 1 , wherein the additional polymer is selected from the group consisting of hydrogenated styrene block copolymers claim 1 , amorphous poly-α-olefins and olefin copolymer with an average Melt Index of greater than about 35 g/10 minutes at 190° C.3. The low application temperature hot melt adhesive of claim 1 , wherein the olefin block copolymer is an ethyelen and at least one C3 to C20 alpha-olefin comonomer.4. The low application temperature hot melt adhesive of claim 3 , wherein the alpha-olefin comonomer propylene claim 3 , butene or octane.5. The low application temperature hot melt adhesive of claim 1 , wherein the tackifier is selected from polyterpenes claim 1 , aliphatic resins claim 1 , cycloaliphatic resins claim 1 , aliphatic/aromatic claim 1 , cycloaliphatic/aromatic claim 1 , natural and modified rosin esters claim 1 , and mixtures thereof.6. The low application temperature hot melt adhesive of claim 1 , wherein the optional component is selected from an antioxidant claim 1 , a filler claim 1 , a pigment claim 1 , a flow modifier claim 1 , a dyestuff and mixtures thereof.8. The low application temperature hot melt adhesive of claim 7 , further comprising up to about 50 wt % of an additional polymer claim 7 , wherein the additional polymer is selected from the group consisting of hydrogenated styrene block copolymers claim 7 , amorphous poly-α-olefins and olefin copolymer with an average Melt Index of greater than about 35 g/10 minutes at 190° C.9. The low application temperature hot melt ...

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07-06-2018 дата публикации

PNEUMATIC TIRE FOR A MOTORCYCLE

Номер: US20180154706A1
Принадлежит: SUMITOMO RUBBER INDUSTRIES, LTD.

The pneumatic tire for a motorcycle comprises a tread portion comprising a belt layer , an inner liner layer made of air impermeable rubber and arranged radially inside the belt layer , and a sealant layer attached to a radially inner surface () of the inner liner layer . The sealant layer comprises a crown portion A arranged at a center thereof in a tire axial direction and a pair of shoulder portions B arranged on both sides of the crown portion A in the tire axial direction. Viscosity μ of the shoulder portions B is larger than viscosity μ of the crown portion A. 2. The pneumatic tire for a motorcycle according to . whereinthe viscosity of the crown portion at 90 degrees Celsius is not smaller than 1 kPa·s and smaller than 10 kPa·s, andthe viscosity of the shoulder portions at 90 degrees Celsius is in a range of from 4 to 10 kPa·s.3. The pneumatic tire for a motorcycle according to claim 1 , whereinthe belt layer comprises a crown region arranged radially outside the crown portion, anda distance in the tire radial direction between an axially outer end of the crown region and an radially outer end of the crown region is not greater than 12 mm.4. The pneumatic tire for a motorcycle according to claim 1 , whereinthe sealant layer is made of a composition including butyl rubber and polybutene, andthe composition contains the polybutene in a range of from 100 to 400 parts by mass with respect to 100 parts by mass of the butyl rubber.5. The pneumatic tire for a motorcycle according to claim 4 , whereinan average molecular weight of the polybutene is in a range of from 1000 to 4000.6. The pneumatic tire for a motorcycle according to claim 1 , whereinan axial width of the sealant layer is in a range of from 23% to 86% of an axial width of the belt layer. The present invention relates to a pneumatic tire for a motorcycle having excellent puncture sealing performance and steering stability.conventionally, a pneumatic tire for a motorcycle has been known in which a viscous ...

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08-06-2017 дата публикации

STRETCHABLE LAMINATE, AND ARTICLE INCLUDING SAME

Номер: US20170157888A1
Принадлежит: NITTO DENKO CORPORATION

Provided is a stretchable laminate including an elastomer layer and a non-woven fabric layer arranged on at least one side of the elastomer layer, in which interlayer delamination does not occur between the elastomer layer and the non-woven fabric layer even when a load is applied onto a surface, on which the elastomer layer and the non-woven fabric layer are bonded onto each other, in a substantially perpendicular direction. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate further including a hot-melt pressure-sensitive adhesive between the elastomer layer and the non-woven fabric layer, the hot-melt pressure-sensitive adhesive containing an olefin component. 1. A stretchable laminate , comprising:an elastomer layer; anda non-woven fabric layer arranged on at least one side of the elastomer layer,the stretchable laminate further comprising a hot-melt pressure-sensitive adhesive between the elastomer layer and the non-woven fabric layer,the hot-melt pressure-sensitive adhesive containing an olefin component.2. The stretchable laminate according to claim 1 , wherein the olefin component comprises an olefin-based polymer.3. The stretchable laminate according to claim 2 , wherein a content of the olefin-based polymer in the hot-melt pressure-sensitive adhesive is from 20 wt % to 70 wt %.4. The stretchable laminate according to claim 3 , wherein the content of the olefin-based polymer in the hot-melt pressure-sensitive adhesive is from 35 wt % to 60 wt %.5. The stretchable laminate according to claim 2 , wherein the olefin-based polymer comprises at least one kind selected from an olefin-based elastomer and a 1-butene copolymer.6. The stretchable laminate according to claim 5 , wherein the olefin-based polymer comprises the 1-butene copolymer as an essential component.7 ...

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18-06-2015 дата публикации

LOW APPLICATION TEMPERATURE AMORPHOUS POLY-a-OLEFIN ADHESIVE

Номер: US20150166851A1
Принадлежит: Henkel IP and Holding GmbH

It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles.

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24-06-2021 дата публикации

FOAM FABRIC

Номер: US20210187800A1
Автор: Lung Andrew
Принадлежит: Taikone Technologies Inc.

The present invention is related to a foam fabric and method of making it. 1. A foam fabric comprised of:foam particles;a foaming agent comprising azodicarbonamide, thiazinyl triazine, ethanolamine, aluminum potassium sulfate;an antibacterial agent comprised of 2,4,4-trichloro-2′-hydroxydiphenyl ether and ethylene oxide;a filler selected from the group consisting of titanium dioxide, iron oxide, mica powder and combinations thereofa glue comprising a rosin resin and an epoxy composite resin, wherein the epoxy composite resin is comprised of an epoxy resin, a terpene resin, aluminum oxide, polybutene and an emulsifier and a solvent.2. The foam fabric of claim 1 , wherein the terpene resin is GT-3-A liquid terpene resin claim 1 , the epoxy resin is CYD-118 bisphenol claim 1 , the rosin resin is KL1000W liquid rosin resin claim 1 , the emulsifier is OP-10 and the solvent is comprised of cyclohexane claim 1 , diethyl ether and acetone.3. The foam fabric of claim 1 , wherein the foam fabric is comprised of from about 8 to about 13% glue claim 1 , from about 62 to about 80% foam claim 1 , from about 4 to about 8% color agent claim 1 , from about 3 to about 8% antibacterial agent claim 1 , from about 8 to about 12% foaming surfactant agent and from about 10 to about 20% of a filler.4. The foam fabric of claim 1 , wherein the foam particles are foam scraps and fragments remaining from the manufacture of other products.5. A method of making a foam fabric comprising the steps of:1) forming foam into particles of different sizes;2) evenly dispersing the different sized foam particles and then adding to them a foaming surfactant agent, an antibacterial agent, a filler, and optionally a color agent;3) stirring the ingredients from step 2 to obtain a mixture;4) adding a glue comprised of a rosin resin and an epoxy composite resin into the mixture of step 3 and then stirring the mixture and the glue together, wherein the epoxy composite resin is comprised of an epoxy resin, a ...

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25-06-2015 дата публикации

Article with tackifier-free adhesive

Номер: US20150173958A1
Принадлежит: IFS Industries Inc, Procter and Gamble Co

Disposable absorbent articles assembled from a collection of components using an adhesive consisting essentially of an amorphous polyolefin composition comprising more than 40% 1-butene and a second amorphous polymer comprising at least one butane monomer, the polymer having a molecular weight (MW n ) of at least 1000, wherein the polymer is compatible with the polyolefin.

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25-06-2015 дата публикации

HOT MELT ADHESIVE

Номер: US20150174286A1
Автор: Bunnelle William L.
Принадлежит:

A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a compatible amorphous polymer. 1. A hot melt adhesive composition consisting essentially of:(i) an amorphous polyolefin copolymer composition comprising more than 40 mole % 1-butene; and{'sub': 'n', '(ii) a second amorphous polymer comprising at least one butene monomer, the polymer having a molecular weight (MW) of at least 1000 wherein the polymer is compatible with the polyolefin.'}2. The adhesive of wherein the adhesive is substantially free of a tackifier.3. The adhesive of wherein the second amorphous polymer comprises a viscous liquid with molecular weight of about 200-20 claim 1 ,000 and a Saybolt Universal seconds (SUS) viscosity at 100° C. of about 100 to 20 claim 1 ,000.4. (canceled)5. The adhesive of wherein the second amorphous polymer comprises a polyisobutylene with a molecular weight of 1500 to 6000.6. The adhesive of wherein the adhesive there is about 50 to 90 wt. % of the amorphous polymer and about 10 to 50 wt. % of the polyisobutylene.7. The adhesive of wherein the density of the adhesive is less than 0.9 g-cm.8. The adhesive of wherein the density of the adhesive is less than 0.87 g-cm.9. A hot melt adhesive composition comprising:(i) about 90 to 10 wt. % or more of an amorphous polyolefin composition comprising a copolymer having more than 40 mole % 1- butene;(ii) the balance comprises a polyisobutylene; wherein the adhesive is substantially free of a tackifier.10. (canceled)11. The adhesive of wherein the polyisobutylene has a molecular weight of about 2000 to 3000.12. The adhesive of wherein the density of the adhesive is less than 0.9 g-cm.13. The adhesive of wherein the density of the adhesive is less than 0.87 g-cm.14. A disposable article comprising a substrate combined with a film claim 1 , fiber claim 1 , cellulose sheet or non-woven having ...

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05-07-2018 дата публикации

LLDPE-CONTAINING IMPACT MODIFIER POLYOLEFIN COMPOSITION

Номер: US20180186987A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

Polyolefin compositions made from or containing: 1. A polyolefin composition comprising:{'sub': A', 'A, '(A) from about 5 to about 35% by weight of a propylene-based polymer containing about 90% by weight or more of propylene units and containing about 10% by weight or less of a fraction soluble in xylene at 25° C. (XS), both the amount of propylene units and of the fraction XSbeing referred to the weight of (A);'}{'sub': 3', '8', 'B', 'B, '(B) from about 25 to about 50% by weight, of a copolymer of ethylene and a C-Calpha-olefin containing from about 0.1% to about 20% by weight of alpha-olefin units and containing about 75% by weight or less of a fraction soluble in xylene at 25° C. (XS), both the amount of ethylene units and of the fraction XSbeing referred to the weight of (B); and'}{'sub': C', 'C, '(C) from about 30 to about 60% by weight, of a copolymer of ethylene and propylene containing from about 25% to about 75% by weight of ethylene units and containing from about 55% to about 95% by weight, of a fraction soluble in xylene at 25° C. (XS), both the amount of ethylene units and of the fraction XSbeing referred to the weight of (C);'}the amounts of (A), (B) and (C) being referred to the total weight of (A)+(B)+(C), wherein, following a progressive fractionation having a first, a second, and a third dissolution temperature (77° C., 100° C., and 130° C.) and the fraction collected at the second dissolution temperature corresponds to the second fractionation step and fraction 2, the composition has about 20% by weight or less of a fraction obtained in the second fractionation step (fraction 2).2. The polyolefin composition according to claim 1 , wherein the propylene-based polymer (A) is present in amount of about 15 to about 25% by weight claim 1 , referred to the total weight of (A)+(B)+(C).3. The polyolefin composition according to claim 1 , wherein the propylene-based polymer (A) is a homopolymer and contains about 5% by weight or less of a fraction soluble ...

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12-07-2018 дата публикации

ABSORBENT ARTICLE WITH TACKIFIER-FREE ADHESIVE

Номер: US20180193516A1
Принадлежит:

Disposable absorbent articles assembled from a collection of components using an adhesive comprising an amorphous polyolefin composition and a heterophase polyolefin composition comprising amorphous character and crystalline blocks. 1. A disposable absorbent article having a longitudinal centerline and a lateral centerline , a front waist region with a front waist edge , a rear waist region with a rear waist edge , a crotch region disposed between the front and rear waist regions and two spaced apart longitudinal side edges joining the front waist edge to the rear waist edge and comprising an assembly of components , wherein the assembly of components comprises:a) a topsheet;b) a backsheet underlying the topsheet;c) an absorbent core disposed between the topsheet and the backsheet, wherein the absorbent core comprises at least one of a core cover, a dusting layer, an acquisition layer, a distribution layer, and a storage member; (i) a fastening system for joining the front waist region to the rear waist region when the disposable absorbent article is worn;', '(ii) barrier cuffs lying adjacent and inboard one of the longitudinal side edges;', '(iii) gasketing cuffs lying between the longitudinal side edge and the barrier cuff;', '(iv) front ears disposed in the front waist region;', '(v) back ears disposed in the rear waist region; and', '(vi) a receiving member; and, 'd) at least one additional component selected from the group consisting of (i) at least 10 wt. % of an amorphous polyolefin copolymer comprising (a) from about 30 mole % to about 70 mole % of 1-butene monomer units; and (b) from about 30 mole % to about 70 mole % of monomer units selected from the group consisting of ethylene, propene, 1-hexene, 1-octene, and mixtures thereof;', '(ii) from about 10 wt. % to about 90 wt. % of a heterophase polyolefin propylene copolymer composition comprising propene comonomer units and a comonomer unit selected from the group consisting of ethylene, 1-hexene, 1-octene, ...

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13-07-2017 дата публикации

Ionically Crosslinkable Poly(isobutylene) Adhesive Polymers

Номер: US20170198178A1
Принадлежит:

Adhesive (co)polymers of this disclosure comprise: a) an isobutylene copolymer having pendent succinate groups and optionally a tackifier. The pendent succinic acid groups ionically crosslinks the isobutylene copolymer by hydrogen bonding with adjacent pendent succinic acid groups. 1. An adhesive composition comprising isobutylene copolymer having pendent succinic acid groups that is ionically crosslinked through the pendent succinic acid groups.2. The adhesive composition according to wherein the isobutylene copolymer is crosslinked only through the pendent succinic acid groups.3. The adhesive composition according to comprising no bi- or polyvalent alcohol or amine crosslinking agents.4. The adhesive composition of wherein said isobutylene copolymer comprises greater than 0% by weight but less than 20% by weight of polymerized monomer units having pendent succinic acid groups.6. The adhesive composition of wherein “b” and “c” or “d” are chosen such that the copolymer comprises 1 to 20 wt.% of the respective monomer units.7. The adhesive composition of wherein b*+c*+d* is 1 to 5 percent of the repeat units of the isobutylene copolymer.8. The adhesive composition of comprising greater than 0 to 150 parts by weight of tackifier per 100 parts by weight of said copolymer.9. The adhesive composition of comprising 10 to 100 parts by weight of said tackifier per 100 parts by weight of said copolymer.12. The adhesive composition of wherein 1 to 5 percent of the repeat units of the isobutylene copolymer will be substituted by succinic acid groups.13. An article comprising:a substrate; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the pressure-sensitive adhesive of coated on at least one surface of the substrate.'}14. The article of wherein the substrate in a polymer film substrate.15. The article of wherein the substrate in a nonwoven substrate.16. The adhesive of wherein said isobutylene copolymer having pendent succinic acid groups is prepared by free-radical ...

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20-07-2017 дата публикации

Hot Melt Adhesive

Номер: US20170204307A1
Автор: Bunnelle William L.
Принадлежит:

A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a heterophase polymer having crystallinity into an adhesive composition. 1(i) an amorphous polyolefin 1-butene copolymer composition;(ii) a heterophase polyolefin propylene copolymer composition comprising amorphous character in amorphous blocks and crystalline character in crystalline blocks.. A hot melt adhesive composition comprising: This application is a continuation of U.S. patent application Ser. No. 14/942,186 filed Nov. 16, 2015, which is a divisional of U.S. patent application Ser. No. 14/169,343 filed Jan. 31, 2014 (now U.S. Pat. No. 9,187,679 issued on Nov. 17, 2015), which is a continuation U.S. patent application Ser. No. 13/836,385, filed Mar. 15, 2013 (now U.S. Pat. No. 8,865,824 issued Oct. 21, 2014), which claims the benefit of U.S. Provisional Application No. 61/702,950, filed Sep. 19, 2012, which applications are incorporated herein by reference.Disclosed is a general purpose hot melt adhesive material that can be applied to substrates such as cellulosic materials, film, fiber or nonwovens in the construction of articles. The adhesive composition is manufactured to obtain melt viscosity, cohesion and adhesion sufficient to assemble an article and obtain a mechanically stable product. The adhesive typically comprises a blend of polymer materials combined at proportions that obtain the desired and useful construction properties useful in the manufacture of articles. One embodiment is the hot melt adhesive. A second embodiment is an article manufactured using the construction properties and aspects of the hot melt adhesive.Common hot melt adhesives are made by combining polymer and additive components in a substantially uniform thermoplastic blend. Improved materials are needed for use in improved application equipment and in current and updated article ...

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04-08-2016 дата публикации

Performance APAO hot melt adhesives containing high melt flow rate hydrogenated styrene block copolymers

Номер: US20160222258A1
Принадлежит:

Adding a compatible high melt flow rate (MFR), low melt viscosity, hydrogenated styrene block copolymer to amorphous poly alpha-olefins (APAOs) results in adhesives that show acceptably high elongation and tensile strength, and which, when applied by different hot melt application methods onto elastic strands, result in personal hygiene article components that perform comparably to such components assembled using just styrene block copolymer components formulated with compatible tackifiers, processing oils and other additives. 1. A hot-melt adhesive comprising:at least one amorphous poly alpha-olefin; and,a high melt flow rate (MFR), low melt viscosity, hydrogenated styrene block copolymer that is compatible with the amorphous poly alpha-olefin.2. The hot-melt adhesive recited in wherein the high melt flow rate (MFR) claim 1 , low melt viscosity claim 1 , hydrogenated styrene block copolymer is high melt flow rate hydrogenated styrene-butadiene-styrene.3. The hot-melt adhesive recited in wherein the amorphous poly alpha-olefin is a propylene-butene-1 APAO copolymer.4. The hot-melt adhesive recited in wherein the amorphous poly alpha-olefin is an ethylene-propylene-butene-1 terpolymer.5. The hot-melt adhesive recited in wherein the MFR of the hydrogenated styrene block copolymer is higher than 1 dg/min.6. The hot-melt adhesive recited in wherein the MFR of the hydrogenated styrene block copolymer is higher than 25 dg/min.7. The hot-melt adhesive recited in wherein the MFR of the hydrogenated styrene block copolymer is higher than 100 dg/min.8. The hot-melt adhesive recited in wherein the MFR of the hydrogenated styrene block copolymer is about 250 dg/min.9. A method for producing a hot melt adhesive comprising:melting a high 1-butene/propylene APAO in a mixer heated to about 375° F. (190° C.);adding about 3000 ppm of a binary blend of a hindered phenol-type antioxidant and a phosphite stabilizer;adding a styrene block copolymer;mixing the components; and,adding a ...

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16-07-2020 дата публикации

BELTED STRUCTURE WITH TACKIFIER-FREE ADHESIVE

Номер: US20200222251A1
Автор: Turner Robert Haines
Принадлежит:

Pull-on disposable absorbent articles with elastomeric belts are provided. The elastomeric belts include an outer nonwoven, an inner nonwoven, and elastic strands disposed therebetween. The elastomeric belts further have a front belt portion having a front waist edge, and front left and right side edges, and a rear belt portion having a rear waist edge and rear left and right side edges. An adhesive bonds at least one of the group consisting of the belt structure to the central chassis; the belt structure outer nonwoven to the belt structure inner nonwoven; the elastic strands to the belt structure nonwovens; and the respective front and rear left side edges and the front and rear right side edges. The adhesive is substantially tackifier-free. 1. An absorbent article having a front region , a rear region , and a crotch region disposed therebetween; and comprising:a liquid permeable topsheet; a backsheet, and an absorbent core disposed between the topsheet and the backsheet;a central chassis occupying the crotch region;a belt structure disposed about the central chassis, the belt structure overlaying the backsheet to the outside thereof in the front and rear regions, the belt structure overlapping and extending laterally and longitudinally outward from the chassis;wherein the belt structure comprises an outer nonwoven and an inner nonwoven and elastic strands therebetween;the belt structure further having a front belt portion having a front waist edge, and front left and right side edges; and a rear belt portion having a rear waist edge and rear left and right side edges;wherein respective front and rear left side edges and the respective front and rear right side edges are joined, forming a waist opening and left and right leg openings;wherein an adhesive bonds at least one of the group consisting of the belt structure to the central chassis; the belt structure outer nonwoven to the belt structure inner nonwoven; the elastic strands to the belt structure nonwovens; ...

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23-07-2020 дата публикации

ABSORBENT ARTICLE WITH TACKIFIER-FREE ADHESIVE

Номер: US20200229984A1
Принадлежит:

A method of assembling an absorbent article having the steps of: a) providing a hot melt adhesive composition, wherein the adhesive has an amorphous polyolefin composition with more than 40% 1-butene and from about 10 wt. % to about 50 wt. % of a second amorphous polymer, and wherein the hot melt adhesive composition comprises less than 5% of a tackifier; b) providing a plurality of absorbent article components; and c) joining at least one of the absorbent article components to another of the absorbent article components using the adhesive so as to assemble the absorbent article. 1. A method of assembling an absorbent article comprising the steps of: (i) from about 50 wt. % to about 90 wt. % of an amorphous polyolefin composition comprising more than 40% 1-butene; and', 'wherein the hot melt adhesive composition comprises less than 5% of a tackifier;', '(ii) from about 10 wt. % to about 50 wt. % of a second amorphous polymer comprising a polyisobutylene with a molecular weight of 1500 to 6000;'}], 'a) providing a hot melt adhesive composition wherein the adhesive comprisesb) providing a plurality of absorbent article components; andc) joining at least one of the absorbent article components to another of the absorbent article components using the adhesive so as to assemble the absorbent article.2. The method of claim 1 , wherein step c comprises the step of joining a topsheet to an underlying nonwoven layer.3. The method of claim 1 , wherein step c comprises the step of joining an elastic material to a nonwoven and backsheet materials.4. The method of claim 1 , wherein step c comprises the step of joining an acquisition layer to a core layer.5. The method of claim 1 , wherein step c comprises the step of joining a distribution layer to a core layer.6. The method of claim 1 , wherein step c comprises the step of joining a topsheet to a backsheet adjacent a longitudinal edge of the absorbent article.7. The method of claim 1 , wherein step c comprises the step of ...

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09-09-2021 дата публикации

PROPYLENE RANDOM COPOLYMER BASED HOT MELT ADHESIVE COMPOSITION

Номер: US20210277290A1
Принадлежит:

The present application relates to an adhesive composition comprising a polypropylene resin, a tackifying resin and a plasticizer resin having a superior balance of properties in regard of Brookfield viscosity and maximum probe tack. It further relates to an article comprising the adhesive composition and to a process for producing said article. The application also relates to the use of the adhesive composition in the preparation of an article. 115-. (canceled)16. An adhesive composition comprising:{'sub': 4', '10', '2, '(A) a polypropylene resin comprising a multimodal propylene random copolymer (R-PP), being a multimodal random copolymer of propylene and one or more comonomer(s) selected from ethylene and C-Calpha olefins, with a melt flow rate MFRof at least 50 g/10 min, determined according to ISO 1133 at a temperature of 230° C. and a load of 2.16 kg, and a propylene copolymer (PC) which is different from the multimodal propylene random copolymer, wherein the weight ratio of the multimodal propylene random copolymer (R-PP) and the propylene copolymer (PC) in the polypropylene resin is from 1:2 to 5:1,'}{'sub': 5', '10, '(B) a tackifying resin selected from polyterpene resins, C-Caliphatic hydrocarbon resins, aromatic modified aliphatic resins, or mixtures thereof, and'}(C) a plasticizer resin selected from microcrystalline waxes, paraffin waxes, ionomer waxes, Fischer-Tropsch waxes, montan-based waxes, and mineral or petroleum based oils and mixtures thereof,wherein the adhesive composition has a Brookfield viscosity at 160° C. of less than 60,000 mPa▪ as measured according to ASTM D-3236 and a maximum probe tack of at least 150 kPa as measured according to probe tack test protocol.17. The adhesive composition according to claim 16 , having a T-peel strength of at least 5 N/m claim 16 , when the adhesive composition is in direct contact with substrate that is an untreated polypropylene film.18. The adhesive composition according to claim 16 , having a T-peel ...

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30-08-2018 дата публикации

HOT MELT ADHESIVE WITH FUNCTIONALIZED METALLOCENE CATALYZED POLYOLEFINS

Номер: US20180244962A1
Принадлежит:

A hot melt adhesive composition containing a functionalized polymer, namely, a metallocene catalyzed polyolefin elastomer grafted with maleic anhydride, together with a non-functionalized secondary polymer, namely, a metallocene catalyzed random or block polyolefin elastomer having a melt index equal to or greater than 15, a first tackifying resin having a softening point of at least 95° C., and a wax. The composition may optionally include an aromatic reinforcing resin having a softening point equal to or higher than 115° C., and a plasticizer. These hot melts provide superior hot tack, excellent adhesion, flexibility, and heat resistance above 150° F. in applications such as rigid packaging, hot fill packaging, and bottle labeling. 1. A hot melt adhesive composition , comprising:about 5% to about 50% by weight of a functionalized polymer comprising a metallocene catalyzed random polyolefin elastomer grafted with maleic anhydride;about 5% to about 70% by weight of a non-functionalized polymer comprising a metallocene catalyzed random or block polyolefin elastomer as a secondary polymer with melt index equal or greater than 15 MI;a solid or liquid plasticizer in an amount up about 30%;about 5% to about 30% by weight of a wax;about 20% to about 70% by weight of a first tackifying resin having a softening point of at least about 95° C.;about 0% to about 20% by weight of an aromatic reinforcing resin having a softening point equal to or higher than 115° C.;about 0.1% to about 5% by weight of a stabilizer; andabout 0% to about 3% by weight of auxiliary additives;wherein the viscosity of the composition is equal to or less than about 20,000 centipoise at 163° C. and the composition has an initial average peel force equal to or greater than 200 grams at room temperature using hard to bond clear label films selected from the group consisting of clear polypropylene, polyethylene, polypropylene/polyethylene, and metalized oriented polypropylene label films.2. The composition ...

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08-09-2016 дата публикации

PROCESS FOR PREPARING FLOWABLE AMORPHOUS POLY-ALPHA OLEFIN ADHESIVE PELLETS

Номер: US20160257028A1
Принадлежит:

The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets. 1. A plurality of adhesive pellets manufactured by the process comprising the steps of:{'b': '1', 'a) extruding an adhesive through an orifice of a die plate immersed in a cooling fluid, which has a temperature T;'}b) cutting the adhesive into a plurality of pellets in the cooling fluid;{'b': '2', 'c) solidifying the pellets in a recrystallization fluid at temperature T for at least 30 minutes and up to 24 hours;'}d) separating the pellets from the recrystallization fluid and drying the pellets;{'b': 1', '2', '1, 'wherein the T is less than about 45° F. and the T is higher than T by at least 30° F.;'}wherein the adhesive comprises an amorphous poly-alpha-olefin polymer having a cold crystallization temperature;wherein the adhesive has a needle penetration number of (i) 8 to 50 dmm after 1 hour conditioning at 77° F., (ii) 10 to 45 dmm after 4 hour conditioning at 77° F., and (iii) 10 to 40 dmm after 24 hour conditioning at 77° F.; and{'sub': 0', '1', '0', '0', '1, 'wherein the pellets have an average percent deformation, (d-d)/d×100%, less than 40%, where dis an initial diameter and dis a diameter measured after applying a weight of 70 g for one minute.'}2. The adhesive pellets of wherein the pellets are hot melt adhesive pellets.3. The adhesive pellets of wherein the amorphous poly-alpha-olefin polymer comprises a comonomer of ethylene claim 1 , propylene claim 1 , ...

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20-11-2014 дата публикации

4-METHYL-1-PENTENE (CO)POLYMER COMPOSITION, AND FILM AND HOLLOW MOLDED PRODUCT COMPOSED OF THE COMPOSITION

Номер: US20140342111A1
Принадлежит:

To provide a 4-methyl-1-pentene/olefin (co)polymer composition which is excellent in transparency and heat resistance and is excellent also in elongation and toughness and to provide a molded product composed of the composition, a film composed of the composition, which is excellent in transparency, heat resistance and dimensional stability and has been uniformly stretched, and a hollow molded product composed of the composition, which is excellent in transparency, heat resistance and toughness and is excellent also in dimensional stability. The 4-methyl-1-pentene (co)polymer composition of the present invention comprises a specific 4-methyl-1-pentene (co)polymer (A) and a specific 4-methyl-1-pentene/α-olefin copolymer (B) in a specific ratio. 1. A 4-methyl-1-pentene (co)polymer composition which is:(X1) a composition comprising a 4-methyl-1-pentene (co)polymer (A) satisfying the following requirements (A-a) to (A-e) in an amount of 10 to 90 parts by weight and a 4-methyl-1-pentene copolymer (B1) satisfying the following requirements (B1-a) to (B1-e) in an amount of 90 to 10 parts by weight of (with the proviso that the total amount of (A) and (B1) is 100 parts by weight), or '4-methyl-1-pentene (co)polymer (A):', '(X3) a composition comprising the 4-methyl-1-pentene (co)polymer (A) in an amount of 10 to 90 parts by weight, and the 4-methyl-1-pentene copolymer (B1) and a 4-methyl-1-pentene copolymer (B2) satisfying the following requirements (B2-a) to (B2-e) in the total amount of 90 to 10 parts by weight (with the proviso that the total amount of (A), (B1) and (B2) is 100 parts by weight, and the mixing ratio ((B1)/(B2)) of (B1) to (B2) is 99/1 to 1/99);'}(A-a) the amount (U1) of constituent units derived from 4-methyl-1-pentene is 100 to 90% by mol, and the total amount (U2) of constituent units derived from α-olefins of 2 to 20 carbon atoms (except 4-methyl-1-pentene) is 0 to 10% by mol (with the proviso that the total amount of U1 and U2 is 100% by mol),(A-b) ...

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15-08-2019 дата публикации

ADHESIVE COMPOSITION

Номер: US20190249042A1
Автор: Uno Atsushi
Принадлежит:

The present invention provides a hot-melt adhesive having a sufficiently long usable time and exhibiting good strength and good heat resistance. The present invention relates to a hot-melt adhesive composition comprising a hydrocarbon cyclic polymer (A), an α-olefin polymer (C), and a tackifying resin (D). 1. A hot-melt adhesive composition comprising a hydrocarbon cyclic polymer (A) , an α-olefin polymer (C) , and a tackifying resin (D).2. The hot-melt adhesive composition according to claim 1 , wherein the hydrocarbon cyclic polymer (A) has a weight-average molecular weight of 200 to 3 claim 1 ,000.3. The hot-melt adhesive composition according to claim 2 , wherein the content of the hydrocarbon cyclic polymer (A) is within the range of 0.02 to 5% by weight claim 2 , based on the total weight of the composition.4. The hot-melt adhesive composition according to claim 1 , wherein the hydrocarbon cyclic polymer (A) is a cyclic trans-polyoctenemer.5. The hot-melt adhesive composition according to comprising the hydrocarbon cyclic polymer (A) as a mixture with a linear polymer (B) formed from the same monomer as the monomer constituting the hydrocarbon cyclic polymer (A).6. The hot-melt adhesive composition according to claim 5 , wherein the mixture of the hydrocarbon cyclic polymer (A) and the linear polymer (B) has a weight-average molecular weight of 10 claim 5 ,000 to 500 claim 5 ,000.7. The hot-melt adhesive composition according to claim 5 , wherein the mixture of the hydrocarbon cyclic polymer (A) and the linear polymer (B) has a melting point of 30 to 160° C.8. The hot-melt adhesive composition according to claim 1 , wherein the α-olefin polymer (C) is at least one selected from the group consisting of a homopolymer having an α-olefin unit claim 1 , a copolymer having an α-olefin unit claim 1 , and a mixture thereof.9. The hot-melt adhesive composition according to comprising 2 to 20% by weight of the hydrocarbon cyclic polymer (A) claim 1 , 30 to 70% by weight ...

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01-10-2015 дата публикации

POLYOLEFIN, ADHESIVE COMPOSITION CONTAINING SAME, AND ADHESIVE TAPE USING SAID ADHESIVE COMPOSITION

Номер: US20150275054A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided are an adhesive composition which has high holding strength and leaves no residual glue by using a polyolefinic polymer, and an adhesive tape using the same. A polyolefin which satisfies the following conditions (a-1), (b1), and (b2):(a-1) the relationship between the limiting viscosity and the stereoregularity is represented by the formula (i): −20×η+56≦mmmm≦−20×η+64 (wherein η represents the limiting viscosity measured in tetralin at 135° C., and mmmm represents the meso pentad fraction (mol %)); (b1) the meso pentad fraction (mmmm) is from 20 to 60 mol %; and (b2) the limiting viscosity [η] measured in tetralin at 135° C. is from 0.01 to 2.0 dL/g. 2. The polyolefin according to claim 1 , wherein the polyolefin has a melting point of 20° C. or higher and 160° C. or lower claim 1 , and a ΔH of 5 J/g or more and 100 J/g or less.3. The polyolefin according to claim 1 , which is a propylene homopolymer.4. An adhesive composition claim 1 , comprising the polyolefin according to claim 1 , whereinthe storage elastic modulus of the composition at 25° C. obtained from the solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, and the storage elastic modulus thereof at 50° C. is 1 MPa or more and 100 MPa or less.5. An adhesive composition claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '95 to 5% by mass of the polyolefin according to ; and'}5 to 95% by mass of a polyolefin having a melting point which is lower than 20° C. or is not observed by a differential scanning calorimeter (DSC) and having a ΔH of less than 5 J/g, whereinthe storage elastic modulus of the composition at 25° C. obtained from the solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, and the storage elastic modulus thereof at 50° C. is 1 MPa or more and 100 MPa or less.6. The adhesive composition according to claim 4 , further comprising a tackifier.7. An adhesive tape claim 4 , wherein the adhesive ...

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04-12-2014 дата публикации

POLYOLEFIN ADHESIVE MATERIAL FOR USE IN SOLAR MODULES

Номер: US20140357780A1
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

This disclosure generally relates to films capable of use in electronic device modules and to electronic device modules including such films. The disclosure also generally relates to materials for use in such films. 2. (canceled)3. The film of claim 1 , wherein the plasticizer is selected from a group consisting essentially of ethylene/α-olefin copolymers and C4-C10 polyolefin homopolymers.4. The film of claim 1 , wherein the plasticizer has a Tg<−50° C.5. (canceled)6. (canceled)7. The film of claim 1 , wherein the polyolefin is an ethylene/α-olefin copolymer.8. (canceled)9. The film of claim 1 , wherein the ethylene/α-olefin copolymer is a low crystalline ethylene/α-olefin copolymer.10. The film of claim 9 , wherein the low crystalline ethylene/α-olefin copolymer has a DSC peak melting point of less than or equal to 50° C.11. The film of claim 9 , wherein the low crystalline ethylene/α-olefin copolymer is a butene α-olefin.12. (canceled)13. The film of claim 1 , wherein the silane is an unsaturated alkoxysilane.14. The film of claim 1 , wherein the unsaturated alkoxysilane is an acrylic alkoxysilane.15. The film of claim 1 , wherein the one or more cross-linking agents are one of a thermal curative and a photo-curative.16. The film of claim 15 , wherein the thermal curative is a peroxide.17. (canceled)18. The film of claim 1 , further comprising an additional resin.19. The film of claim 18 , wherein the additional resin is an additional low crystalline ethylene/α-olefin copolymer.20. (canceled)21. (canceled)22. The film of claim 1 , further comprising an ultraviolet absorber with a ultraviolet cutoff selected from a group consisting essentially of 320 claim 1 , 330 claim 1 , 340 claim 1 , 350 claim 1 , 360 claim 1 , 370 claim 1 , and 380 nm.23. The film of claim 1 , wherein the average % transmittance of the film is at least 90% over a wavelength range of 400-1100 nm after exposure to an 85/85 durability test for 1000 hrs.24. The film of claim 1 , wherein a machine ...

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22-08-2019 дата публикации

BUTENE-1 POLYMER COMPOSITION HAVING A HIGH MELT FLOW RATE

Номер: US20190256747A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing 1. A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min. , measured according to ISO 1133 at 190° C. with a load of 2.16 kg , comprising:{'sub': 'A', 'A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content (C) of up to 5% by mole; and'}{'sub': 'B', 'B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content (C) of from 6% to 25% by mole ;'}wherein the composition having a total copolymerized comonomer content from 5% to 18% by mole referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 65% by weight or more determined on the total weight of A) and B).2. The butene-1 polymer composition of claim 1 , comprising:from 10% to 40% by weight, preferably from 15% to 35% by weight of A) andfrom 90% to 60% by weight, preferably from 85% to 65% by weight of B),referred to the total weight of A) and B).3. The butene-1 polymer composition of claim 1 , having DH TmII values of from 3 to 15 J/g claim 1 , measured with a scanning speed corresponding to 10° C./min.4. The butene-1 polymer composition of claim 1 , having a Brookfield viscosity of from 5 claim 1 ,000 to 50 claim 1 ,000 mPa·sec claim 1 , measured at 180° C. and a deformation rate of 100 s.5. The butene-1 polymer composition of claim 1 , having a Mw/Mn value claim 1 , where Mw is the weight average molar mass and Mn is the number average molar mass claim 1 , both measured by GPC claim 1 , equal to or lower than 4.6. The butene-1 polymer composition of claim 1 , having a Mw value equal to or greater than 30 claim 1 ,000.7. The butene-1 polymer composition of claim 1 , ...

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11-12-2014 дата публикации

HIGH FREQUENCY WELDABLE POLYOLEFIN COMPOSITIONS INCLUDING POLAR POLYMERS

Номер: US20140364572A1
Принадлежит: Dow Global Technologies LLC

A polyolefin-based composition showing improved weldability using high frequency (HF) includes (1) a base polymer selected from (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer; (b) a homogeneously branched propylene/α-olefin copolymer; or (c) a combination thereof; and (2) at least one secondary component selected from (a) an ethylene vinyl acetate copolymer having from 5 to 40 wt % vinyl acetate; (b) an ethylene-ethyl acrylate having from 5 to 25 wt % ethyl acrylate; and (c) a combination thereof. The combination of the specified polyolefin with the specified secondary component, which is a polar polymer, makes these formulations HF weldable, with a cohesive welding failure, a weld strength for 10 mil thick film greater than 7 lb/in (1.23 N/mm) at a weld time of less than or equal to 6 seconds. The formulations may also exhibit good calendering processability and mechanical properties. 1. A dielectrically weldable polyolefin formulation comprising (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer having a density from 0.865 to 0.905 grams per cubic centimeter and a melt index (measured at 190° C. at 2.16 kilograms) from 0.5 to 30 grams per 10 minutes;', '(b) a homogeneously branched propylene/α-olefin copolymer having a density from 0.863 to 0.885 grams per cubic centimeter and a melt flow rate (measured at 230° C. at 2.16 kilograms) from 2 to 30 grams per 10 minutes; and', '(c) combinations thereof;', 'and, '(1) at least one base polymer selected from'} (a) ethylene vinyl acetate having a vinyl acetate content ranging from 5 to 40 weight percent, based on the weight of the ethylene vinyl acetate;', 'b) ethylene-ethyl acrylate having an ethyl acrylate content ranging from 5 to 25 weight percent, based on the weight of the ethylene-ethyl acrylate; and', '(c) combinations thereof., '(2) from 10 percent to 40 percent, based on the weight of the formulation as a whole, of at least one ...

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06-10-2016 дата публикации

APAO hot melt adhesives containing a low molecular weight, functionalized, isotactic polypropylene

Номер: US20160289511A1
Принадлежит: REXTAC LLC

Adding a low molecular weight (or alternatively, high melt flow rate), functionalized, isotactic polypropylene (iPP) to a hot melt adhesive (HMA), composition containing a propylene-butene-1, and/or a propylene-ethylene amorphous poly alpha olefin (APAO) copolymer, in addition to other co-adjuvants (such as a tackifier or a plasticizer), results in an APAO-based HMA that shows improved tensile strength and bonding properties, over an HMA that contains only the propylene-butene-1 and/or the propylene-ethylene APAO copolymer (with or without a tackifier and/or a plasticizer).

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22-10-2015 дата публикации

PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES

Номер: US20150299445A1
Принадлежит:

A polyolefin composition comprising: 1. A polyolefin composition comprising: (i) the content of 1-hexene derived units ranges from 1 to 5 wt. %, based upon the total weight of the terpolymer;', '(ii) the content of ethylene derived units is between 0.5 and 10 wt. %, based upon the total weight of the terpolymer; and', '(iii) the melting temperature of the terpolymer ranges from 130° C. to 145° C.;, 'A) from 85.0 to 99.5 wt. %, based upon the total weight of the polyolefin composition, of a terpolymer, wherein the terpolymer contains propylene, ethylene and 1-hexene derived units, and whereinB) from 0.5 to 15 wt. %, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and one monomer selected from 1-butene, 1-hexene or 1-octene;wherein the polyolefin composition has a melt flow rate (230° C./5 kg. ISO 1133) ranging from 0.2 g/10 min to 4.0 g/10 min, andwherein the combined weight of the terpolymer and the copolymer of ethylene equals 100.2. The polyolefin composition according to wherein the content of 1-hexene derived units in component A) ranges from 1.0 wt % to 4.5 and the content of ethylene derived units is higher than 1.5 wt % and fulfils the following relation (1):{'br': None, 'i': C', 'C, '2<6−0.2\u2003\u2003(1)'}wherein C2 is the content of ethylene derived units wt % and C6 is the content of 1-hexene derived units wt %.3. The polyolefin composition according to wherein the melt flow rate (MFR) (ISO 1133 230° C. claim 1 , 2.16 kg) ranges from 0.2 to 4 g/10 min.4. An article comprising the composition of claim 1 , wherein the article is a pipe system or a sheet.5. The article of claim 1 , wherein the pipe system comprises a monolayer pipe or a multilayer pipe; or wherein the sheet comprises a monolayer sheet or a multilayer sheet claim 1 , and wherein at least one layer of the pipe or the sheet comprises the polyolefin composition according to . The present invention relates to a composition comprising a propylene/ethylene/1- ...

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22-10-2015 дата публикации

Adhesive agent composition, adhesive sheet, and electronic device

Номер: US20150299518A1
Принадлежит: Lintec Corp

The present invention provides an adhesive composition comprising a diene-based rubber (A) that includes a carboxylic acid-based functional group, and a crosslinking agent (B), an adhesive layer having a thickness of 60 μm that is obtained by crosslinking the adhesive composition having a water vapor transmission rate at a temperature of 40° C. and a relative humidity of 90% of 60 g/(m 2 ·day) or less; an adhesive sheet comprising an adhesive layer that is formed using the adhesive composition; and an electronic device comprising a sealing material, the sealing material being formed using the adhesive composition, or the adhesive sheet. According to the present invention, provided are; an adhesive composition that is useful as a material for forming an adhesive layer that exhibits an excellent water barrier capability, and exhibits adhesion and holding power in a well-balanced manner; an adhesive sheet that includes an adhesive layer that is formed using the adhesive composition; and an electronic device that includes a sealing material that is formed using the adhesive composition or the adhesive sheet.

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22-10-2015 дата публикации

ADHESIVE COMPOSITION AND ADHESIVE TAPE USING SAME

Номер: US20150299527A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided are an adhesive composition which has high adhesive strength and holding strength and leaves no residual glue by using a polyolefinic polymer, and an adhesive tape using the same. The adhesive composition contains (1) 5 to 95% by mass of a polyolefin having a melting point which is lower than 20° C. or is not observed by a differential scanning calorimeter (DSC) and having a ΔH of less than 5 J/g, and (2) 5 to 95% by mass of a polyolefin having a melting point of 20° C. or higher and 160° C. or lower and having a ΔH of 5 J/g or more and 100 J/g or less, wherein the storage elastic modulus of the composition at 25° C. obtained from the solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, and the storage elastic modulus thereof at 50° C. is 1 MPa or more and 100 MPa or less. 1. An adhesive composition , comprising:(1) 5 to 95% by mass of a polyolefin having a melting point which is lower than 20° C. or is not observed by a differential scanning calorimeter (DSC) and having a ΔH of less than 5 J/g; and(2) 95 to 5% by mass of a polyolefin having a melting point of 20° C. or higher and 160° C. or lower and having a ΔH of 5 J/g or more and 100 J/g or less, whereina storage elastic modulus of the composition at 25° C. obtained from a solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, and a storage elastic modulus thereof at 50° C. is 1 MPa or more and 100 MPa or less.2. An adhesive composition , comprising:(1) 5 to 95% by mass of a polyolefin having a melting point which is lower than 20° C. or is not observed by a differential scanning calorimeter (DSC) and having a ΔH of less than 5 J/g; and(3) 95 to 5% by mass of a thermoplastic elastomer having a glass transition temperature of 50° C. or higher and 150° C. or lower, whereina storage elastic modulus of the composition at 25° C. obtained from the solid viscoelasticity measurement of the composition is 1 MPa or more and 200 MPa or less, ...

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11-10-2018 дата публикации

FUNCTIONALIZED RESIN HAVING A POLAR LINKER

Номер: US20180291125A1
Принадлежит:

Polar silane linkers are provided that attach to resins to form silane-functionalized resins. The functionalized resins can be bound to hydroxyl groups on the surface of silica particles to improve the dispersibility of the silica particles in rubber mixtures. Further disclosed are synthetic routes to provide the silane-functionalized resins, as well as various uses and end products that benefit from the unexpected properties of the silane-functionalized resins. Silane-functionalized resins impart remarkable properties on various rubber compositions, such as tires, belts, hoses, brakes, and the like. Automobile tires incorporating the silane-functionalized resins are shown to possess excellent results in balancing the properties of rolling resistance, tire wear, and wet braking performance. 1. A composition , comprising:about 10 to about 90 weight percent of at least one polymer,about 4 to about 70 weight percent of at least one functionalized resin,about 0 to about 70 weight percent of at least one thermoplastic tackifying resin,about 0 to about 50 weight percent of at least one wax,about 0 to about 60 weight percent of at least one oil or plasticizer,about 0.5 to about 3 weight percent of at least one stabilizer, andabout 0 to about 70 weight percent of at least one filler,wherein the composition is non-vulcanized, {'br': None, 'sub': k', 'n', '2', 'm', 'p', 'q, 'sup': 1', '2, 'resin-[Z—X—R—(CH)—Si(R)]\u2003\u2003(I)'}, 'wherein the functionalized resin comprises Formula Iwherein Z is an aromatic group or an aliphatic group, optionally comprising a heteroatom;wherein X is a linker comprising a heteroatom selected from sulfur, oxygen, nitrogen, a carbonyl group, or a combination thereof;{'sup': '1', 'sub': 1', '18, 'wherein Rcomprises one or more of an aliphatic Cto Cand/or a linkage group comprising a heteroatom;'}{'sup': 2', '2, 'sub': 1', '18', '1', '18, 'wherein each Ris the same or different and is independently selected from a Cto Calkoxy, aryloxy, alkyl, ...

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19-09-2019 дата публикации

FILLED POLYOLEFIN COMPOSITION

Номер: US20190284384A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A polyolefin composition made from or containing: 1. A polyolefin composition comprising:(A) from 97.0 to 45.0 wt % of a propylene-1-hexene random copolymer,(B) from 2.0 to 50.0 wt % of fibers, and(Q) from 0.3 wt % to 5.0 wt % of a compatibilizer,the sum (A)+(B)+(Q) being 100,wherein(i) the copolymer has a content of 1-hexene derived units ranging from 0.6 wt % to 3.0 wt % with respect to the copolymer,(ii) the copolymer has the melt flow rate (MFR) measured according to the method ISO 1133 (230° C., 2.16 kg) ranging from 0.2 up to 40 g/10 min,(iii) the fibers are selected from the group consisting of glass fibers, carbon fibers, metal fibers, mineral fibers and ceramic fibers.2. The polyolefin composition according to claim 1 , wherein the compatibilizer (Q) is a propylene polymer grafted with maleic anhydride with grafting level from 0.3 to 1.5 wt %.3. The polyolefin composition according to claim 1 , wherein the fibers are glass fibers.4. The polyolefin composition according to further comprising:5 wt % with respect to the sum (A)+(B)+(Q) of a polypropylene homopolymer.5. The polyolefin composition according to claim 1 , wherein the content of 1-hexene derived units ranges from 0.6 wt % to 2.0 wt % with respect to the copolymer.6. The polyolefin composition according to claim 5 , wherein the content of 1-hexene derived units ranges from 0.8 wt % to 1.8 wt % with respect to the copolymer.7. The polyolefin composition according to claim 1 , wherein (A) is from 95.0 to 50.0 wt % claim 1 , (B) is from 4.0 to 48.0 wt % and (Q) is from 0.5 to 4.0 wt % claim 1 , the sum (A)+(B)+(Q) being 100.8. The polyolefin composition according to claim 1 , wherein the melt flow rate (MFR) of the copolymer measured according to the method ISO 1133 (230° C. claim 1 , 2.16 kg) ranges from 0.4 g/10 min to 30 g/10 min.9. The polyolefin composition according to claim 1 , wherein the melt flow rate (MFR) of the copolymer measured according to the method ISO 1133 (230° C. claim 1 , 2.16 kg) ...

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25-10-2018 дата публикации

OLEFIN-ACRYLATE COPOLYMERS WITH PENDANT HYDROXYL FUNCTIONALITY AND USE THEREOF

Номер: US20180305480A1
Принадлежит:

Copolymers prepared by a reaction of (1) an unactivated olefin, (2) an activated olefin, and (3) a hydroxyl functional activated olefin and/or a hydroxyl functional unactivated olefin are described. The copolymers have a backbone of polar vinyl monomers and non-polar alkene monomers, with pendant hydroxyl functional groups. The copolymers are well suited for optically clear, pressure sensitive, polyurethane and/or barrier adhesives. 1. A copolymer prepared by the reaction of:(A) 10-90 mol % of an unactivated olefin;(B) 10-90 mol % of an activated olefin; and wherein the total mol % is 100%;', 'wherein the copolymer comprises a plurality of pendant hydroxyl groups; and', 'wherein the weight average molecular weight (Mw) is from about 500 to about 2,000,000., '(C) 1-50 mol % of a hydroxyl functional activated olefin and/or a hydroxyl functional unactivated olefin;'}2. The copolymer of claim 1 , wherein the hydroxyl functional activated olefin selected from the group consisting of 2-hydroxyethyl (meth)acrylate claim 1 , 4-hydroxybutyl (meth)acrylate claim 1 , 2-hydroxypropyl (meth)acrylate claim 1 , and 3-hydroxypropyl (meth)acrylate.3. The copolymer of claim 1 , wherein the hydroxyl functional unactivated olefin selected from the group consisting of 4-penten-1-ol claim 1 , 5-hexene-1-ol claim 1 , allyl alcohol claim 1 , 3-butene-1-ol claim 1 , 9-decene-1-ol claim 1 , 10-undecene-1-ol.4. The copolymer of claim 1 , wherein the unactivated olefin is selected from the group consisting of an unsubstituted alkene claim 1 , monosubstituted alkene claim 1 , disubstituted alkene claim 1 , and trisubstituted alkene.5. The copolymer of claim 1 , wherein the unactivated olefin is selected from the group consisting of ethylene claim 1 , propylene claim 1 , 1-butene claim 1 , 1-pentene claim 1 , 1-hexene claim 1 , 1-heptene claim 1 , 1-octene claim 1 , 1-nonene claim 1 , 2-methyl-pentene claim 1 , 3-methyl-1-butene claim 1 , isobutylene claim 1 , diisobutylene claim 1 , 2-methyl-1- ...

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03-11-2016 дата публикации

ADHESIVE TAPE

Номер: US20160319163A1
Принадлежит: HITACHI MAXELL, LTD.

An adhesive tape includes: a sheet-like base; an undercoat layer that is laminated on the base and contains an acid modified compound; and an adhesive agent layer that is laminated on the undercoat layer and contains butyl rubber, an alicyclic saturated hydrocarbon resin and a multifunctional epoxy-based compound. 1. An adhesive tape comprising:a sheet-like base;an undercoat layer that is laminated on the base and contains an acid modified compound; andan adhesive agent layer that is laminated on the undercoat layer and contains butyl rubber, an alicyclic saturated hydrocarbon resin and a multifunctional epoxy-based compound.2. The adhesive tape according to claim 1 , whereinthe base is composed of a polyolefin-based polymer.3. The adhesive tape according to claim 1 , whereinthe adhesive agent layer further contains polyisobutylene.4. The adhesive tape according to claim 1 , whereinthe undercoat layer contains an acid modified polyolefin compound as the acid modified compound.5. The adhesive tape according to claim 1 , whereinlinear light transmittance of the adhesive tape is 85% or more to any light in a range of wavelength from 340 nm or more to 800 nm or less.6. The adhesive tape according to claim 1 , whereinthe adhesive agent layer has solubility of 3% or less in each of acetonitrile, dimethyl sulfoxide and methanol.7. The adhesive tape according to claim 1 , whereinthe adhesive agent layer has an adhesive force of 3N/10 mm or more with respect to each of polypropylene, polystyrene, polycarbonate, a cycloolefin polymer and a cycloolefin copolymer under a temperature from 0° C. to 40° C. This application is based on and claims priority under 35 USC §119 from Japanese Patent Application No. 2015-093474 filed Apr. 30, 2015.1. Technical FieldThe present invention relates to an adhesive tape.2. Related ArtConventionally, to close wells formed in a microplate used in analysis of a sample by a high performance liquid chromatography, an adhesive tape has been used.For ...

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19-11-2015 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Номер: US20150329747A1
Принадлежит: LG CHEM, LTD.

The present invention relates to a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film including the same, and provides a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film which may prevent damage to an element from moisture contained in the composition, ionic substances, and other foreign substances, and effectively block electrochemical corrosion, thereby improving a lifetime and durability of an organic electronic device.

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19-11-2015 дата публикации

RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING SAME

Номер: US20150329750A1
Принадлежит: ZEON CORPORATION

A resin composition including an alkoxysilyl group-containing hydrogenated block copolymer [3], and a hydrocarbon-based polymer [4] having a number average molecular weight of 300 to 5000, the resin composition including the hydrocarbon-based polymer [4] in an amount of 1 to 50 parts by weight based on 100 parts by weight of the alkoxysilyl group-containing hydrogenated block copolymer [3], the alkoxysilyl group-containing hydrogenated block copolymer [3] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [2] that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [1] that includes at least two polymer blocks [A] and at least one polymer block [B], and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer [1] to a weight fraction wB of the polymer block [B] in the block copolymer [1] being 30:70 to 65:35.

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24-10-2019 дата публикации

BUTENE-1 POLYMER COMPOSITION HAVING A HIGH MELT FLOW RATE

Номер: US20190322779A1
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing 2. The butene-1 polymer composition of claim 1 , comprising:from 35% to 65% by weight of A) andfrom 35% to 65% by weight of B),referred to the total weight of A) and B).3. The butene-1 polymer composition of claim 1 , having DH TmII values of from 9 to 20 J/g claim 1 , measured with a scanning speed corresponding to 10° C./min.4. The butene-1 polymer composition of claim 1 , having a Brookfield viscosity of from 5 claim 1 ,000 to 50 claim 1 ,000 mPa·sec claim 1 , measured at 180° C. and a deformation rate of 100 s.5. The butene-1 polymer composition of claim 1 , having a Mw/Mn value claim 1 , where Mw is the weight average molar mass and Mn is the number average molar mass claim 1 , both measured by GPC claim 1 , equal to or lower than 4.6. The butene-1 polymer composition of claim 1 , having a Mw value equal to or greater than 30.000.7. The butene-1 polymer composition of claim 1 , having a glass transition temperature of −22° C. or less.8. The butene-1 polymer composition of claim 1 , having a yellowness index lower than 0.9. A process for preparing the butene-1 polymer composition of claim 1 , comprising:at least two sequential stages, carried out in two or more reactors connected in series,wherein components A) and B) are prepared in separate subsequent stages, operating in each stage, except the first stage, in the presence of the polymer formed and the catalyst used in the preceding stage.10. The process of claim 9 , carried out in the presence of a metallocene catalyst obtainable by contacting:a stereorigid metallocene compound;an alumoxane or a compound capable of forming an alkyl metallocene cation; and, optionally,an organo aluminum compound.11. A hot-melt adhesive composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the butene-1 polymer composition of .'} In general, ...

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24-10-2019 дата публикации

Adhesive composition for absorbent articles

Номер: US20190322909A1
Принадлежит: Procter and Gamble Co

Described herein is an adhesive composition including (a) from about 70 wt. % to about 90 wt. % of one or more copolymers, and (b) from about 10 wt. % to about 30 wt. % of one or more heterophase copolymers. The one or more copolymers include (i) from about 30 mole % to about 70 mole % of monomer units selected from the group consisting of ethylene, 1-butene, and mixtures thereof; and (ii) from about 30 mole % to about 70 mole % of propene monomer units. The adhesive composition is free of polyisobutylene. The adhesive composition has a viscosity of from about 2,000 mPa·s to about 11,500 mPa·s at 150° C. The one or more heterophase copolymers includes a first heterophase copolymer and a second heterophase copolymer.

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30-11-2017 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20170340487A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. A composition having a high molecular weight polymeric buffer for a skin-adhering medical device comprising:an adhesive that includes a high molecular weight polymeric acid present in non-neutralized form and a high molecular weight polymeric acid present in partially neutralized form; andwherein the high molecular weight polymeric acids are not pectin and provide both pH buffering and fluid absorption.2. The composition of further comprising:a hydrocolloid selected from CMC or pectin.3. The composition of claim 1 , wherein the adhesive is a continuous phase.4. The composition of claim 3 , wherein the non-neutralized and partially neutralized high molecular weight polymeric acids are a discontinuous phase within the continuous phase.5. The composition of claim 1 , wherein the non-neutralized high molecular weight polymeric acid and the partially neutralized high molecular weight polymeric acid are each independently selected from the group consisting of polyacrylic acid claim 1 , poly(2-alkyl acrylic acid) claim 1 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers claim 1 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers with maleic acid claim 1 , and olefinic polymers substituted with side chains containing free carboxylic acid groups; wherein alkyl is from one to five carbons in length and may be straight chain or branched chain.6. The composition of claim 1 , wherein the adhesive is selected from the group consisting of natural rubbers claim 1 , synthetic rubbers claim 1 , styrene block copolymers claim 1 , polyvinyl ethers claim 1 , poly(meth) acrylates (including both acrylates and methacrylates) claim 1 , polyolefins and silicones.7. The composition of claim 6 , ...

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19-12-2019 дата публикации

BUFFERED ADHESIVE COMPOSITIONS FOR SKIN-ADHERING MEDICAL PRODUCTS

Номер: US20190380882A1
Принадлежит: HOLLISTER INCORPORATED

Provided are buffered adhesive compositions comprising a high molecular weight non-neutralized polymeric acid and a high molecular weight partially neutralized polymeric acid and products such as wound dressings and ostomy skin barriers incorporating the compositions. 1. A composition comprising:a water insoluble adhesive that includes a plurality of high molecular weight polymeric acids dispersed as dry particles in the adhesive; andwherein the high molecular weight polymeric acids provide both pH buffering and fluid absorption.2. The composition of further comprising:a hydrocolloid selected from CMC or pectin.3. The composition of claim 1 , wherein the plurality of acids include a non-neutralized high molecular weight polymeric acid and a partially neutralized high molecular weight polymeric acid.4. The composition of claim 3 , wherein the non-neutralized high molecular weight polymeric acid and the partially neutralized high molecular weight polymeric acid are each independently selected from the group consisting of polyacrylic acid claim 3 , poly(2-alkyl acrylic acid) claim 3 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers claim 3 , copolymers of acrylic acid and 2-alkyl acrylic acid monomers with maleic acid claim 3 , and olefinic polymers substituted with side chains containing free carboxylic acid groups; wherein alkyl is from one to five carbons in length and may be straight chain or branched chain.5. The composition of claim 1 , wherein the water insoluble adhesive is selected from the group consisting of natural rubbers claim 1 , synthetic rubbers claim 1 , styrene block copolymers claim 1 , polyvinyl ethers claim 1 , poly(meth) acrylates (including both acrylates and methacrylates) claim 1 , polyolefins and silicones.6. The composition of claim 5 , wherein the water insoluble adhesive is polyisobutylene.7. The composition of claim 1 , further comprising styrene-isoprene-styrene block copolymer.8. The composition of claim 1 , further ...

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19-12-2019 дата публикации

FOAM BODY, POLYOLEFIN-BASED FOAM SHEET, AND COMPLEX

Номер: US20190382572A1
Принадлежит: Mitsui Chemicals, Inc.

A foam body constituted of a 4-methyl-1-pentene-based polymer, in which one or more temperatures showing a maximum value of loss tangent (tan δ) of dynamic viscoelasticity, which is obtained by dynamic viscoelasticity measurement conducted under the conditions of a temperature increase rate of 4° C./min, a frequency of 1.59 Hz, and a distortion of 0.1%, exist in at least a range of 10° C. or higher and 100° C. or lower, and the maximum value of the loss tangent is 0.5 or more and 3.5 or less. Another aspect relates to a polyolefin-based foam sheet constituted of a 4-methyl-1-pentene-based polymer, in which the difference in Shore A hardness of at least one surface at different times is defined. A further aspect relates to a complex including a foam body constituted of a 4-methyl-1-pentene-based polymer and a member which is bonded to the foam body and is different from the foam body. 1. A foam body comprising:a 4-methyl-1-pentene-based polymer,wherein one or more temperatures showing a maximum value of loss tangent (tan δ), which is obtained by dynamic viscoelasticity measurement conducted under conditions of a temperature increase rate of 4° C./min, a frequency of 1.59 Hz, and a distortion of 0.1%, exist in at least a range of 10° C. or higher and 100° C. or lower, and the maximum value of the loss tangent is 0.5 or more and 3.5 or less.2. The foam body according to claim 1 ,{'sup': 3', '3, 'wherein a density of the foam body is 0.10 g/cmor more and 0.80 g/cmor less.'}3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. The foam body according to claim 1 , which is used for a member that may come into direct or indirect contact with a human body surface when used.8. (canceled)9. (canceled)10. The foam body according to claim 1 , further comprising:a vent hole.11. (canceled)12. (canceled)13. (canceled)14. A polyolefin-based foam sheet comprising:a 4-methyl-1-pentene-based polymer,{'sub': 0', '1, 'wherein when a Shore A hardness of at least one surface of the ...

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19-12-2019 дата публикации

MOLDED PRODUCT AND METHOD FOR PRODUCING THE SAME

Номер: US20190382573A1
Принадлежит: Mitsui Chemicals, Inc.

A molded product formed of a plurality of portions containing 4-methyl-1-pentene polymers in contact with each other and to provide a method for producing the molded product. A molded product according to the present invention includes a composition containing a particular 4-methyl-1-pentene (co)polymer (A) having a melting point (Tm) measured by DSC of within the range of 200 to 250° C. and a particular 4-methyl-1-pentene copolymer (B) having no observed melting point (Tm) or having a melting point (Tm) of within the range of 100 to 199° C., the melting point (Tm) being measured by DSC, wherein a content of the (co)polymer (A) is 60 to 95 parts by mass of based on a total of 100 parts by mass of the (co)polymer (A) and the copolymer (B), and a portion (2) that contains the 4-methyl-1-pentene (co)polymer (A) and is formed in contact with the portion (1). 1. A molded product comprising:a portion (1) formed of a composition (X) comprising a 4-methyl-1-pentene (co)polymer (A) satisfying requirements (A-a) to (A-e) below and a 4-methyl-1-pentene copolymer (B) satisfying requirements (B-a) to (B-e) below, wherein a content of the(co)polymer (A) is 60 to 95 parts by mass based on a total of 100 parts by mass of the (co)polymer (A) and the copolymer (B); and (A-a) having a content percentage of a constituent unit (P) derived from 4-methyl-1-pentene of 100 to 90 mol %, and a content percentage of a constituent unit (AQ) derived from an α-olefin having 2 to 20 carbon atoms (other than 4-methyl-1-pentene) of 0 to 10 mol %;', '(A-b) having an intrinsic viscosity [η] measured in decalin at 135° C. of 1.0 to 4.0 dl/g;', '(A-c) having a melting point (Tm) measured by DSC of within the range of 200 to 250° C.;', '(A-d) having a crystallization temperature (Tc) measured by DSC of within the range of 150 to 220° C.;', {'sup': '3', '(A-e) having a density of 820 to 850 kg/m;'}, '(B-a) having a content percentage of the constituent unit (P) derived from 4-methyl-1-pentene of 65 mol % ...

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19-12-2019 дата публикации

PRESSURE-SENSITIVE ADHESIVE COMPOSITION

Номер: US20190382632A1
Принадлежит:

The present invention relates to a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film including the same, and provides a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film which may prevent damage to an element from moisture contained in the composition, ionic substances, and other foreign substances, and effectively block electrochemical corrosion, thereby improving a lifetime and durability of an organic electronic device. 1. A pressure-sensitive adhesive composition , comprising a pressure-sensitive adhesive resin and satisfying the following Equations 1 and 2:{'br': None, 'X≤1000 ppm\u2003\u2003[Equation 1]'}{'br': None, 'Y≤250 ppm,\u2003\u2003[Equation 2]'}wherein X in Equation 1 is an amount of volatile organic compounds which is measured by preparing a film with the composition, maintaining 50 mg of the film sample at 80° C. for 30 minutes, and using purge and trap-gas chromatography/mass spectrometry, andY in Equation 2 is an amount of ionic substances contained in the composition, which is obtained by preparing a film with the composition, and measuring 50 mg of the film sample according to ASTM D 7359:2008.2. The pressure-sensitive adhesive composition of claim 1 , wherein a moisture content of a film sample formed of the pressure-sensitive adhesive composition is 0.01 wt % or more claim 1 , and the moisture content of the film sample is measured according to ASTM D3451-06 (2012) after preparing a film with the pressure-sensitive adhesive composition claim 1 , and maintaining 50 mg of the film sample under conditions of 25° C. and a relative humidity of 50% for 24 hours.3. The pressure-sensitive adhesive composition of claim 1 , wherein the ionic substance is halogen ions.4. The pressure-sensitive adhesive composition of claim 1 , wherein the pressure-sensitive adhesive resin is a styrene-based resin claim 1 , a polyolefin-based resin claim 1 , a thermoplastic elastomer claim 1 , a polyoxyalkylene- ...

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31-12-2020 дата публикации

POLYMERIC FILMS AND DISPLAY DEVICES CONTAINING SUCH FILMS

Номер: US20200411801A1
Принадлежит:

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein nis different than n. 1. A polymeric film comprising: [{'sub': '1', 'a first polymeric matrix having a refractive index n; and'}, {'sub': '2', 'particles having a refractive index nuniformly dispersed within the first polymeric matrix;'}, 'wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nm to 3000 nm; and', {'sub': 1', '2, 'wherein nis different than n;'}], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises a clarity of at least 80%;', 'a visible light transmission of at least 85%; and', 'a normalized micro-haze non-uniformity of not more than 12% across the polymeric film., 'wherein the polymeric film has2. The polymeric film of further comprising a second polymeric layer disposed on one major surface of the first polymeric layer; wherein the second polymeric layer comprises a second polymeric matrix having a refractive index n; wherein the first polymeric matrix and the second polymeric matrix are the same or different; and wherein at least one of the first polymeric matrix and the second polymeric matrix is an adhesive matrix.3. The polymeric film of wherein the first polymeric matrix and the second polymeric matrix each comprises an adhesive matrix.4. The polymeric film ...

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04-03-2015 дата публикации

Method for improving the operability of an olefin polymerization reactor

Номер: EP2842912A1
Принадлежит: Basell Poliolefine Italia SpA

Feeding a supported antistatic compound that does not comprise a transition-metal-based catalyst component to an olefin polymerization reactor allows avoiding the formation of polymer agglomerates in the reactor while at the same time minimizing negative effects on catalyst yield.

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09-11-2004 дата публикации

Pressure sensitive adhesive formulation including enhanced polyisobutylene modifier

Номер: US6815504B2
Автор: Betty L. Gipson
Принадлежит: Texas Petrochemicals Corp

An improved pressure sensitive adhesive includes a base polymer and a PIB modifier that is made up of a homopolymer of isobutylene wherein a predominant portion of the double bonds are in either an alpha position or a beta position. The modifier may function as a plasticizer, a tackifier extender or a combination plasticizer and tackifier extender for the pressure sensitive adhesive.

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10-04-2015 дата публикации

Adhesives and use thereof

Номер: KR101510240B1

본 발명은 접착제 및 기재들을 서로 결합시키기 위한 접착제의 사용 방법, 및 접착제를 포함하는 제조용품을 제공한다. 70 중량 퍼센트 초과의 중합체 함량을 갖는 접착제가 (i) 약 0.70 내지 약 0.91 g/cm 3 범위의 밀도 및 190 ℃에서 50,000 cP 미만의 용융 점도를 갖는 메탈로센 촉매된 폴리프로필렌 중합체, 및 (ii) 지글러-나타 촉매된 무정형 폴리부텐 및/또는 폴리프로필렌 공중합체의 블렌드로 배합될 수 있음을 발견하였다. 이러한 접착제는, 이것을 특히 일회용 개인 위생 의류에 매우 적합하게 만드는 높은 크립 저항성을 갖는다. The present invention provides a method of using an adhesive for bonding the adhesive and the substrates together, and a manufacturing article comprising the adhesive. (I) a metallocene-catalyzed polypropylene polymer having a density in the range of about 0.70 to about 0.91 g / cm &lt; 3 &gt; and a melt viscosity at 190 DEG C of less than 50,000 cP, and (ii) ) &Lt; / RTI &gt; Ziegler-Natta catalysted amorphous polybutene and / or polypropylene copolymer. Such adhesives have a high creep resistance which makes them particularly well suited for disposable personal hygiene garments.

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25-09-2003 дата публикации

Adhesives

Номер: US20030181554A1
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to an adhesive including (a) a copolymer including butene, at least 40 mol % propylene, and from 0 to 30 mol % of a termonomer selected from ethylene and C 5 to C 20 linear, branched or cyclic alpha olefins, wherein the copolymer has (i) a weight average molecular weight of 100,000 or less; (ii) a number average molecular weight of 20,000 or less; (iii) an Mw/Mn of 5 or more; and (iv) a viscosity of 8000 mPa·sec or less at 190° C.; and (b) a hydrocarbon resin, and/or (c) a polypropylene having at least 30% crystallinity having a viscosity of 1500 mPa·s or less at 190° C., or a tactic polypropylene having a viscosity of 1500 mPa·s or less at 190° C., provided that if the tactic polypropylene is not present, then the hydrocarbon resin is a cyclopentadiene-based hydrocarbon resin. This invention also relates to blends of the copolymer described above and isotactic polypropylene without hydrocarbon resin.

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31-01-2006 дата публикации

Adhesives

Номер: US6992131B2
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to an adhesive including (a) a copolymer including butene, at least 40 mol % propylene, and from 0 to 30 mol % of a termonomer selected from ethylene and C 5 to C 20 linear, branched or cyclic alpha olefins, wherein the copolymer has (i) a weight average molecular weight of 100,000 or less; (ii) a number average molecular weight of 20,000 or less; (iii) an Mw/Mn of 5 or more; and (iv) a viscosity of 8000 mPa.sec or less at 190° C.; and (b) a hydrocarbon resin, and/or (c) a polypropylene having at least 30% crystallinity having a viscosity of 1500 mPa.s or less at 190° C., or a tactic polypropylene having a viscosity of 1500 mPa.s or less at 190° C., provided that if the tactic polypropylene is not present, then the hydrocarbon resin is a cyclopentadiene-based hydrocarbon resin. This invention also relates to blends of the copolymer described above and isotactic polypropylene without hydrocarbon resin.

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24-10-2017 дата публикации

聚烯烃、含有其的粘接剂组合物和使用其的粘接胶带

Номер: CN104768981B
Принадлежит: Idemitsu Kosan Co Ltd

使用聚烯烃系聚合物,提供保持力高并且没有粘接剂残留的粘接剂组合物和使用其的粘接胶带。聚烯烃,其满足下述(a‑1)、(b1)和(b2)的要件。(a‑1)特性粘度与立构规整性的关系由式(i)所示:‑20×η+56≤mmmm≤‑20×η+64 ・・・式(i) (式中,η表示在四氢化萘中在135℃测定的特性粘度,mmmm表示内消旋五元组分数(摩尔%)。) (b1)内消旋五元组分数(mmmm)为20~60摩尔%。(b2)在四氢化萘中在135℃测定的特性粘度[η]为0.01~2.0分升/g。

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02-12-2020 дата публикации

Adhesive composition and adhesive tape using same

Номер: EP2915858B1
Принадлежит: Idemitsu Kosan Co Ltd

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09-04-2002 дата публикации

Polyolefin microspheres

Номер: US6368708B1
Принадлежит: 3M Innovative Properties Co

Microspheres comprise a polymer or copolymer including one or more of 1) a plurality of C 3 or larger alpha-olefin units wherein the polymer has an average number of branch points less than one per monomer unit, and 2) a plurality of C 2 alpha-olefin units wherein the polymer has an average number of branch points greater than 0.01 per monomer unit, the microspheres having an average diameter in the range of 1 to 300 micrometers. Optionally, the polymer of the microspheres can be crosslinked. The microspheres can be prepared by suspension or dispersion polymerization processes using aqueous or organic reaction media.

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17-01-2012 дата публикации

Compositions of 1-butene based polymers

Номер: US8097679B2
Принадлежит: Basell Poliolefine Italia SpA

A 1-butene polymer composition comprising: a) from 10% to 90% by weight of an isotactic 1-butene polymer having the following features: i) isotactic pentad (mmmm) measured by 13C-NMR, higher than 90%; ii) melting point (TmII) higher than 90° C.; and iii) intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135° C. comprised between 0.5 dl/g and 5.0 dl/g. b) from 90% to 10% by weight of a copolymer of 1-butene and at least a C8-C12 alpha-olefin derived units, containing from 0% to 10% by mole of propylene or pentene derived units, and/or containing from 0% to 5% by mole of ethylene derived units having a content of C8-C12 alpha-olefin derived units higher than 4.0% by mol and lower than 20.0% by mol; endowed with the following features: i) isotactic pentad mmmm higher than or equal to 90%; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable by C NMR. ii) intrinsic viscosity (IV) measured in tetrahydronaphthalene at 135° C. comprised between 0.8 and 5.0 dL/g; iii) the melting point measured by DSC (TmI) and the C8-C12 alpha-olefin content fulfil the following relationship: TmI<130×C−0.3 wherein C is the molar content of C8-C12 alpha-olefin derived units and TmI is the highest melting peak in the first melting transition; otherwise the melting point TmI is not detectable.

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24-12-1997 дата публикации

Polyolefin microspheres

Номер: WO1997048740A1

Microspheres comprise a polymer including one or more of 1) a plurality of C3 or larger alpha-olefin units wherein the C3 or larger alpha-olefin units are incorporated into the polymer so as to give an average number of less than one branch point per C3 or larger alpha-olefin unit, 2) a plurality of C2 alpha-olefin units wherein the C2 alpha-olefin units are incorporated so as to give an average number of branch points greater than 0.01 per C2 alpha-olefin unit, and 3) cyclopentene or substituted cyclopentene, the microspheres having an average diameter in the range of 1 to 300 micrometers. Optionally, the polymer of the microspheres can be cross-linked. The microspheres can be prepared by suspension or dispersion polymerization processes using aqueous or organic reaction media. Powder coatings can be prepared from the microspheres.

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11-09-2001 дата публикации

Polyolefin microspheres

Номер: US6288189B1
Принадлежит: 3M Innovative Properties Co

Microspheres comprise a polymer including one or more of 1) a plurality of C 3 or larger alpha-olefin units wherein the C 3 or larger alpha-olefin units are incorporated into the polymer so as to give an average number of less than one branch point per C 3 or larger alpha-olefin unit, 2) a plurality of C 2 alpha-olefin units wherein the C 2 alpha-olefin units are incorporated so as to give an average number of branch points greater than 0.01 per C 2 alpha-olefin unit, and 3) cyclopentene or substituted cyclopentene, the microspheres having an average diameter in the range of 1 to 300 micrometers. Optionally, the polymer of the microspheres can be crosslinked. The microspheres can be prepared by suspension or dispersion polymerization processes using aqueous or organic reaction media. Powder coatings can be prepared from the microspheres.

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31-01-2019 дата публикации

封装组合物及应用,及包含其的封装胶膜及其制备方法

Номер: WO2019019988A1
Автор: 傅智盛, 吴安洋, 徐涛
Принадлежит: 杭州星庐科技有限公司

本发明公开了一种封装组合物及应用,及包含其的封装胶膜及其制备方法,封装组合物的聚合物基体包含高度支化聚乙烯,其为支化度不低于40个支链/1000个碳的乙烯均聚物。本发明提供的封装组合物具有良好的体积电阻率、耐老化性、加工性能和较低的成本。

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30-07-2009 дата публикации

Polyolefine mit Ataktischen Strukturelementen, Verfahren zu deren Herstellung und deren Verwendung

Номер: DE102008005947A1
Принадлежит: EVONIK DEGUSSA GmbH

Die vorliegende Erfindung betrifft Polyolefine mit ataktischen Strukturelementen, Verfahren zu deren Herstellung sowie deren Verwendung, insbesondere als Klebstoff bzw. als Bestandteil von Klebstoffen.

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05-01-2011 дата публикации

Modified polyolefins with a particular property profile, process for their preparation and their use

Номер: DE102009027445A1
Принадлежит: EVONIK DEGUSSA GmbH

Die vorliegende Erfindung betrifft modifizierte Polyolefine mit isotaktischen Strukturelementen, Verfahren zu deren Herstellung sowie deren Verwendung, insbesondere als Klebstoff bzw. als Bestandteil von Klebstoffen. The present invention relates to modified polyolefins with isotactic structural elements, processes for their production and their use, in particular as an adhesive or as a component of adhesives.

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13-05-1969 дата публикации

Polymer blend

Номер: US3444117A
Принадлежит: Exxon Research and Engineering Co

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24-09-2009 дата публикации

Compositions of 1-butene based polymers

Номер: WO2009115400A1
Принадлежит: Basell Polyolefine Italia S.R.L

A 1-butene polymer composition comprising: a) from 10% to 90% by weight of an isotactic 1-butene polymer having the following features: i) isotactic pentad (mmmm) measured by 13 C-NMR, higher than 90%; ii) melting point (TmII) higher than 90°C; and iii) intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135°C comprised between 0.5 dl/g and 5.0 dl/g. b) from 90% to 10% by weight of a copolymer of 1-butene and at least a C 8 -C 12 alpha- olefin derived units, containing from 0% to 10% by mole of propylene or pentene derived units, and/or containing from 0% to 5% by mole of ethylene derived units having a content of C 8 -C 12 alpha-olefin derived units higher than 4.0% by mol and lower than 20.0% by mol; endowed with the following features: i) isotactic pentad mmmm higher than or equal to 90 %; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable by C NMR. ii) intrinsic viscosity (IV) measured in tetrahydronaphthalene at 135°C comprised between 0.8 and 5.0 dL/g; iii) the melting point measured by DSC (TmI) and the C 8 -C 12 alpha-olefin content fulfil the following relationship: TmI < 130xC -0.3 wherein C is the molar content of C 8 -C 12 alpha-olefin derived units and TmI is the highest melting peak in the first melting transition; otherwise the melting point TmI is not detectable;

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15-03-2016 дата публикации

Pressure sensitive adhesive with butene-1 copolymers

Номер: US9284475B2
Принадлежит: Basell Poliolefine Italia SpA

Pressure sensitive adhesive composition and multilayer easy peel re-closable structures thereof, comprising a butene-1 (co)polymer (A) having a content of butene-1 derived units of 80 wt % or more; a flexural modulus (MEF) of 80 MPa or less; a melting temperature DSC (TmI) lower than 110° C., and optionally a tackifier (B).

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