ТЕРМОПЛАВКИЙ КЛЕЙ И ОДНОРАЗОВОЕ ИЗДЕЛИЕ

Изобретение относится к термоплавкому клею, более конкретно к термоплавкому клею, который используется в области одноразовых изделий, типичными примерами которых являются бумажный подгузник и салфетка. Термоплавкий клей содержит: (А) термопластический блок-сополимер, который представляет собой блок-сополимер ароматического углеводорода на основе стирола и сопряженного диенового соединения; и (В) аморфный воск, модифицированный карбоновой кислотой и/или ангидридом карбоновой кислоты. При этом аморфный воск содержится в составе термоплавкого клея в количестве от 2 до 7 мас.ч. в расчете на 100 мас.ч. полной массы термопластического блок-сополимера (А) и аморфного воска (В). Данный термоплавкий клей может использоваться соответственно таким образом, чтобы производить одноразовое изделие. Термоплавкий клей является превосходным по применимости при низкой температуре в интервале от приблизительно 140°С до приблизительно 150°С и превосходным по сопротивлению ползучести во влажном состоянии, может ...

ОДНОКОМПОНЕНТНАЯ ОТВЕРЖДАЕМАЯ ВЛАГОЙ КОМПОЗИЦИЯ ГОРЯЧЕГО РАСПЛАВА ГЕРМЕТИКА ИЗ ПОЛИ-АЛЬФА-ОЛЕФИНА ССИЛАНОВОЙ ФУНКЦИОНАЛЬНОЙ ГРУППОЙ

Изобретение относится к отверждаемым влагой композициям герметика, включающим поли-альфа-олефиновый полимер с силановой функциональной группой. Техническая задача - разработка композиции герметика, пригодной для соединения стекла с различными субстратами. Предложена отверждаемая влагой композиция герметика, которая содержит (в мас.%): аморфный поли-альфа-олефиновый полимер с силановой функциональной группой (5-80), термопластичный эластомер (10-75) и клеящий агент (5-60), а также варианты пакетов изолирующего стекла с использованием заявленного герметика. 3 н. и 9 з.п. ф-лы, 1 табл.

ТЕРМОУСАЖИВАЕМЫЙ ТРУБЧАТЫЙ УЗЕЛ И АДГЕЗИОННАЯ КОМПОЗИЦИЯ ДЛЯ ТЕРМОУСАЖИВАЕМОГО ТРУБЧАТОГО УЗЛА

Настоящее изобретение направлено на способ присоединения портативного соединительного устройства, трубчатые узлы, и адгезив и адгезионные композиции внутри трубчатых узлов. Заявленный трубчатый узел содержит: стеклянное волокно, термовосстановленную термоусаживаемую трубку, окружающую по меньшей мере часть стеклянного волокна и адгезив, который адгезивным образом соединяет термовосстановленную термоусаживаемую трубку со стеклянным волокном, при этом адгезив, имеющий адгезионную композицию, содержащую смолу на основе модифицированного малеиновым ангидридом линейного полиэтилена низкой плотности и привитый малеиновым ангидридом полипропиленовый сополимер. Технический результат заключается в обеспечении способа применения термоусаживаемой трубки и адгезива для присоединения оптического волокна к коннектору оптоволокна без применения ферула. 13 з.п. ф-лы, 2 ил.

КЛЕЙ-РАСПЛАВ НА ОСНОВЕ РЕАКЦИОННОСПОСОБНОГО ПОЛИОЛЕФИНА, ОБЛАДАЮЩИЙ НИЗКОЙ АДГЕЗИЕЙ К АЛЮМИНИЕВЫМ ИНСТРУМЕНТАМ БЕЗ ПОКРЫТИЯ, И ПРИМЕНЕНИЕ УКАЗАННОГО КЛЕЯ В КАЧЕСТВЕ КЛЕЯ-РАСПЛАВА ДЛЯ ЛАМИНИРОВАНИЯ

Настоящее изобретение относится к композициям клеев-расплавов, содержащим по меньшей мере один термопластичный поли-α-олефин, содержащий силановую группу и являющийся твердым при 25°С, и по меньшей мере один парафиновый воск. По сравнению с известными аналогами указанные композиции клеев-расплавов характеризуются лишь небольшой адгезией к поверхностям алюминиевых инструментов без покрытия, обладая при этом высокими значениями конечной прочности и термической стабильности, сопоставимыми с традиционными клеями, а также хорошей стойкостью к воздействию окружающей среды. Клеи-расплавы согласно настоящему изобретению особенно подходят в качестве ламинирующих клеев для ламинирования пленок, изготовленных из термопластичных олефинов, которые обладают достаточной стабильностью для последующего ламинирования методом глубокой вытяжки. 5 н. и 13 з.п. ф-лы, 2 табл., 4 пр.

СПОСОБЫ ПОЛУЧЕНИЯ КОМПОЗИЦИЙ АДГЕЗИВА, СКЛЕИВАЮЩЕГО ПРИ НАДАВЛИВАНИИ

Изобретение относится к способу получения полимера путем эмульсионной полимеризации. Способ заключается в диспергировании первой смеси мономеров, поверхностно-активного вещества и инициатора в водной среде при температуре от 88 до 90°С, при этом первая смесь мономеров содержит бутилакрилат и метилметакрилат с последующим добавлением второй смеси мономеров в реакционную смесь во время полимеризации и после полного диспергирования указанной первой смеси мономеров, при этом вторая смесь мономеров содержит метилметакрилат, бутилметакрилат и изобрнил(мет)акрилат и добавлением третьей смеси мономеров в реакционную смесь после полного диспергирования указанной второй смеси мономеров и поддержании температуры от 74 до 76°С, при этом третья смесь мономеров содержит бутилакрилат и бутилметакрилат. Полученный полимер охлаждают до температуры ниже 35°С. Описан также адгезив, склеивающий при надавливании, содержащий полимер, полученный способом эмульсионной полимеризации. Адгезив, склеивающий при надавливании ...

ТЕРМОКЛЕЙ С ХОРОШЕЙ АДГЕЗИЕЙ К ПОЛИОЛЕФИНАМ

... 1. Композиция термоклея, включающая, ! по меньшей мере, один твердый при 25оС термопластичный полиолефин (П), ! по меньшей мере, один твердый при 25оС термопластичный сложный полиэфир (TПЭ), ! по меньшей мере, один амид (A) формулы (I) или (II) ! , ! причем R1 обозначает H, C1-C4-алкильную группу или бензильную группу, ! R2 обозначает насыщенную или ненасыщенную C8-C22-алкильную группу. ! 2. Композиция термоклея по п.1, отличающаяся тем, что термопластичный полиолефин (П) является атактическим поли-α-олефином (АПАО) (П1). ! 3. Композиция термоклея по п.1, отличающаяся тем, что термопластичный полиолефин (П) является силан-привитым поли-α-олефином (П2). ! 4. Композиция термоклея по одному из вышеприведенных пунктов, отличающаяся тем, что R2 обозначает ненасыщенный C8-C20-алкильный остаток, в особенности Cn-C2n-1-алкильный остаток или Cn-C2n-3-алкильный остаток, или Cn-C2n-5-алкильный остаток с n=8-20, предпочтительно олефиновый ненасыщенный алкильный остаток. ! 5. Композиция термоклея по ...

СОСТАВЫ НА ОСНОВЕ ПОЛИОЛЕФИНА, КЛЕЙКИЕ ВЕЩЕСТВА И ПОЛУЧАЕМЫЕ МНОГОСЛОЙНЫЕ СТРУКТУРЫ

Группа изобретений относится к клеевой промышленности. Клейкий состав на основе полиолефина содержит: (А) первый состав полимера, включающий полиолефин, привитый на ненасыщенный мономер; (В) второй состав полимера, включающий полиэтилен; (C) третий состав полимера, содержащий: (i) первый полиизобутилен и (ii) второй полиизобутилен. Первый полиизобутилен обладает средневязкостным молекулярным весом (VAMW), а второй полиизобутилен обладает средневязкостным молекулярным весом (VAMW), причем VAMW≠ VAMW. Клейкий состав на основе полиолефина применяется для прослойки для многослойных структур. Состав применяется в качестве клейкого вещества для приклейки металлического слоя. Обеспечивается увеличение адгезии клейкого состава к металлам. 3 н. и 9 з.п. ф-лы, 1 табл., 6 пр.

ТЕРМОПЛАВКИЕ АДГЕЗИВНЫЕ КОМПОЗИЦИИ, ОБЛАДАЮЩИЕ ХОРОШЕЙ АДГЕЗИЕЙ К ПОЛЯРНЫМ И НЕПОЛЯРНЫМ СУБСТРАТАМ

... 1. Термоплавкая адгезивная композиция, содержащаяa) по меньшей мере один термопластичный привитый силаном поли-α-олефин (P), который является твердым веществом при 25°C;b) по меньшей мере один продукт реакции (RP) полиизоцианата и способного взаимодействовать с изоцианатом силана (S);где способный взаимодействовать с изоцианатом силан (S) содержит ровно одну способную взаимодействовать с изоцианатом группу, выбранную из группы, состоящей из гидроксильной группы, меркаптогруппы и аминогруппы, и где указанный продукт реакции имеет молекулярную массу Mменее 1500 г/моль.2. Термоплавкая адгезивная композиция по п.1, характеризующаяся тем, что привитый силаном поли-α-олефин (P) имеет температуру размягчения, составляющую от 60°C до 160°C, в частности от 80°C до 140°C, предпочтительно от 90°C до 120°C.3. Термоплавкая адгезивная композиция по п.п.1 или 2, характеризующаяся тем, что привитый силаном поли-α-олефин (P) представляет собой привитый силаном сополимер или терполимер, состоящий по меньшей ...

АДГЕЗИОННАЯ КОМПОЗИЦИЯ ДЛЯ УПЛОТНЕНИЯ НА ПОДЛОЖКЕ И ИСПОЛЬЗУЮЩИЕ ЕЕ ВОССТАНАВЛИВАЕМОЕ ПРИ НАГРЕВАНИИ ИЗДЕЛИЕ И УЗЕЛ

Адгезионная композиция, пригодная для уплотнения на полипропилен. Это соединение содержит от 10% до 90% по весу полимера этилена, например, гомополимер этилена, такой, как полиэтилен или сополимер этилена, от 10% до 90% по весу модифицированного полипропилена, от 0% до 30% по весу резины и от 0% до 25% по весу вещества, придающего клейкость. Это соединение полезно, когда оно составляет часть восстанавливаемого при нагревании изделия, используемого для создания защитного покрытия на покрытом полипропиленом стальном трубопроводе, особенно на месте соединения или сварном шве в трубе.

VERBESSERTER, SCHMELZVERARBEITBARER, DURCH FEUCHTIGKEIT VERNETZBARER, HEISSSCHMELZKLEBER AUS ETHYLEN-COPOLYMEREN

KLEBENDE PROPYLENPOLYMERE FÜR BESCHICHTUNGEN

BENZINTANK AUS ZINNFREIEM (MIT CHROM ODER CHROMOXID ELEKTROPLATTIERTEM) STAHL, DER MIT EINEM MALEINSÄUREANHYDRIDMODIFIZIERTEN POLYPROPYLEN BESCHICHTET IST.

ADHESIVE AND METHOD OF JOINTING ARTICLES OF POLYOLEFIN USING THE SAME

USE OF ETHYLENE-VINYL ACETATE GRAFT COPOLYMERS AS HOT MELT ADHESIVES

Mehrphasige Polymerzusammensetzung

Die vorliegende Erfindung betrifft eine mehrphasige Polymerzusammensetzung, umfassend ein Kammcopolymer (A), das eine kontinuierliche Acrylatphase und eine diskontinuierliche Kohlenwasserstoffphase ausbildet, sowie wenigstens eine in der Kohlenwasserstoffphase des Kammcopolymers (A) lösliche Kohlenwasserstoffverbindung (B). Die Erfindung betrifft ferner Haftklebmassen, umfassend die erfindungsgemäße mehrphasige Polymerzusammensetzung sowie die Verwendung der Haftklebmassen zur Verklebung von Gegenstanden, insbesondere von Gegenständen mit unpolaren Oberflächen.

NICHTKORROSIVE, DRUCKEMPFINDLICHE KLEBSTOFFE MIT NIEDRIGEM GEHALT AN FLÜCHTIGEN SUBSTANZEN

POLYOLEFINHYBRIDPOLYMER UND HERSTELLUNGSVERFAHREN DAFÜR

METAL CONTAINERS

COMPOSITE STRUCTURES OF POLYPROPYLENE AND POLAR SUBSTRATES

COEXTRUDABLE ADHESIVES

ADHESIVE COMPOSITIONS

SYNERGISTICALLY ADHESIVE BLENDS OF GRAFT COPOLYMERS AND ETHYLENE-ESTER COPOLYMER RESINS

PROCEDURE FOR THE PRODUCTION OF POLYPROPYLENEN MODIFIED BY MALEIC ACID ANHYDRIDE

ADHESIVE AND THUS MANUFACTURE LAYER PROPERTY

VERFAHREN ZUM VERKLEBEN ODER BESCHICHTEN VON METALLEN

BY A CHLORSULFONIERTES POLYMER ACRYLATE /METHACRYLATKLEBSTOFFE ONE INITIATED

PROCEDURE FOR STICKING TOGETHER OR COATING METALS

PROCEDURE FOR THE PRODUCTION OF CARBOXYLIERTER ETHYLENPOLYMERBLENDS

PROCEDURE FOR THE PRODUCTION OF MODIFIED BUTEN-1-POLYMER AND THEREAFTER RECEIVED BUTEN-1-POLYMER

COEXTRUSIONSFAEHIGER ADHESIVE FOR STYRENE POLYMERS AND THEREBY MANUFACTURED ARTICLES.

PEROXIDE-FREE GRAFTING OF HOMO AND/OR COPOLYMERS OF THE ETHYLENS WITH DENSITIES OF SMALL AS 0.930 G/CM3 AND USE THAT GRAFTING COPOLYMERS FOR THE PRODUCTION OF IONOMEREN OR ADHESION MEDIATORS.

PROCEDURE FOR THE PRODUCTION OF WASHCASH, DRYING AND FLEXIBLE ARTICLES

SOLVABLE ADHESIVES FOR CONNECTING SUBSTRATES

GRAFTING COPOLYMER MIXTURE WITH IMPROVED CHARACTERISTICS AND THEIR USE AS ADHESION MEDIATORS

Hot melt adhesive compositions

Acrylate/methacrylate adhesives initiated by chlorosulfonated polymer

Adhesive compositions containing modified ethylene-based polymers and compatible tackifiers

The invention provides a composition comprising the following components: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177C) less than, or equal to, 50,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) a tackifier selected from the following: a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20C, b) a rosin ester tackifier with an acid number of less than 25, c) a terpene tackifier, or d) a combination thereof.

Primer compositions for pretreatment or fitting of coatings and processes for treating them

Adhesive resin composition and laminate made using the same as adhesive layer

Polyisobutylene copolymers having reactive silyl grafts

CHEMICALLY MODIFIED POLYOLEFIN

ADHESIVE BLENDS AND COMPOSITE STRUCTURES

WATER-BASED ADHESIVE FOR LAMINATION OF POLYMERS TO METAL SUBSTRATES

What is disclosed is a water-based adhesive composition that is an aqueous dispersion or emulsion of a polymer component having functional groups that are inactive in a reversible manner in the adhesive composition as prepared; and a water-soluble, or water emulsion, or dispersion of a cross linker component having functional groups wherein the functional groups are inactive in a reversible manner in the adhesive composition as prepared. Preferably the adhesive composition has a pH of from 7 to 11 and a volatile stabilizing base component is used to inactivate the functional groups and to provide the pH. The functional groups in the polymer component and the cross linker component are activated when the volatile base is removed during lamination heat treatment. The adhesive composition can be used to adhere a variety of plastic films to metal substrates without reliance on non-water-based adhesives.

ADHESIVE AGENT FOR APPLICATION ON A SANITARY OBJECT

The invention relates to an agent for use in the sanitary sector, such as a toilet bowl, which agent can be applied directly on the sanitary object, adhere there and can be flushed away only after a relatively large number of flushing operations, where the agent comprises fillers from a group of surfactants and also an adhesion promoter, the adhesion promoter being selected from the group of hydrogenated polystyrene derivatives and olefin homopolymers and copolymers of two or more olefins, where the olefin homopolymers and copolymers may also be partially hydrogenated, the viscosity of the agent being at least 30 Pas, measured using a Haake viscometer, plate/plate system, plate diameter 10 mm, at a shear gradient of 2.62 s-1 and 20°C, the agent being sufficiently sticky that it can serve to attach the agent in the toilet bowl, wherein the concentration of the surfactants in the case of an adhesion promoter from the group of polyalkyleneimines is between 7 and 60% by weight.

COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF

La présente demande concerne un procédé de fabrication d'un polymère du propylène comprenant les étapes suivantes : a) fermentation de matières premières renouvelables, et éventuellement purification, pour produire un alcool ou un mélange d' alcools, ledit alcool ou mélange d' alcools comprenant au moins de l' isopropanol et/ou au moins un mélange d' éthanol et de 1-butanol, b) déshydratation de l' alcool ou du mélange d'alcools obtenus en vue de produire, dans une première série de réacteurs, un alcène ou un mélange d'alcènes, ledit alcène ou mélange d' alcènes comprenant au moins du propylène et, éventuellement purification du mélange d' alcènes pour obtenir du propylène; c) polymérisation, dans un second réacteur, du propylène, éventuellement en présence d'un comonomère, pour produire un polymère du propylène d) isolation du polymère du propylène obtenu à l'issue de l' étape c), e) greffage du polymère du propylène obtenu à l'issue de l' étape d). Elle concerne aussi le polymère du propylène ...

ADHESIVE AND METHOD OF JOINTING ARTICLES OF POLYOLEFIN USING THE SAME

An adhesive, suitable for jointing cured polyolefin articles, comprising a water curable polyolefin having a melt index of from 0.1 to 20, and a method of jointing cured polyolefin articles, especially cured polyethylene pipes, comprising a step to apply the above adhesive to the surfaces of the articles and a step to joint both of the surfaces to each other with the melt of adhesive.

GRAFT COPOLYMER PRESSURE-SENSITIVE ADHESIVES, THEIR MANUFACTURE AND USE

The invention relates to pressure-sensitive adhesive which contain preferably from 60% to 85% by weight of graft copolymers for use as polymeric pressure-sensitive adhesives, and from 15% to 40% by weight of plasticizers such as phthalate or phosphate plasticizers. The graft copolymer for use as polymeric pressure-sensitive adhesive consists of from 5% to 30% by weight of a graft base and from 70% to 95% by weight of grafted-on monomer units. The graft base is a copolymer with from 40% to 85% by weight of ethylene units and from 15% to 60% by weight of vinyl acetate units and optionally up to 10% by weight of monomer units of other unsaturated compounds. It may be replaced wholly or partially by other graft bases. The grafted-on monomer units consists of from 30% to 80% by weight of units of vinyl esters of short-chained carboxylic acids, especially vinyl acetate, from 20% to 70% by weight of units of vinyl esters of relatively long-chained carboxylic acids, for example vinyl laurate, and ...

BINDER RESIN SOLUTION COMPOSITION HAVING SATISFACTORY SOLUTION PROPERTY

A binder resin solution for coating materials, primers, printing inks, or adhesives which contains a carboxylated chlorinated polyolefin and has satisfactory adhesion to polyolefins and excellent solvent resistance while retaining intact low-temperature flowability and long-term viscosity stability. The binder resin solution composition, which is excellent in low- temperature flowability and long-term viscosity stability, is obtained by dissolving a carboxylated chlorinated polyolefin having a chlorine content of 12 to 26 wt.% in either a mixed solvent comprising an alicyclic hydrocarbon and a polar solvent or a mixed solvent comprising an alicyclic hydrocarbon, a polar solvent, and an aromatic hydrocarbon in a solid concentration of 10 to 40 wt.%.

MODIFIED POLYOLEFIN RESIN, AND USE AND PRODUCTION METHOD OF SAME

The present invention addresses the problem of providing a modified polyolefin resin which shows improved removability when the inside of an applicator is cleaned with a water-containing cleaning solvent or providing a modified polyolefin resin having an excellent balance between heat resistance and solution stability. The modified polyolefin resin is a resin obtained by modifying (I) a polyolefin resin with (II) an a,ß-unsaturated carboxylic acid or a derivative thereof and with (III) an amino alcohol having a primary or secondary amino group.

THERMOPLASTIC ADHESIVE FILM

The objective of the present invention is to provide a thermoplastic adhesive film capable of, in a thermobonding step of a laminated body of different materials used particularly in automobile members, electronic members, construction members, etc., such as a polypropylene resin material, a polyamide resin material, and a metal material such as aluminum or steel plates, preventing deformation of the resin material and peeling due to thermal history after molding. Provided as a solution is a thermoplastic adhesive film comprising a resin composition (D) which contains a thermoplastic olefin elastomer resin (A), an acid-modified polypropylene resin (B) and a nucleating agent (C).

COATING COMPOSITIONS AND PROCESSES FOR MAKING THE SAME

The present invention relates to coating compositions, processes for making them, and methods of application of the coating compositions. Further, the present invention relates to a process and apparatus for coating a metal substrate, for example an elongated metal tubular substrate such as a pipe. Most particularly, the coating can be used as an anti-corrosion coating on a pipe for use in oil, gas and water pipeline applications.

HEAT-RECOVERABLE COMPOSITION AND ARTICLE

Disclosed is an adhesive composition suitable for bonding to a polymeric material and steel. The composition comprises specified proportions of a maleic anhydride-modified propylene-ethylene copolymer resin, a maleic anhydride-modified polyethylene, a polyisobutylene, a terpolymer comprising ethylene, propylene and a non-conjugated diene, and a hydrocarbon resin tackifier. The composition is useful in preparing a heat-recoverable article that is used to provide a protective coating on the joints of a steel pipeline. Also provided is a single sleeve or two-sleeve system for application to the joints of a coated steel pipeline operating at temperatures up to 120~C ...

WATER BASE RESIN COMPOSITION, PROCESS FOR PRODUCING THE SAME, PAINT, INK, ADHESIVE, SEALANT AND PRIMER

... ²²² The present invention provides an aqueous resin ²composition for paints, inks, adhesives, sealants, and primers, ²the composition having good adhesion to polyolefin substrates and ²good compatibility with various polar resins, and containing no ²organic solvent.² Specifically, the present invention provides an aqueous ²resin composition obtained by dissolving 100 parts by mass of ²acid-modified polyolefin and 5 to 60 parts by mass of surfactant ²in 15 to 1900 parts by mass of polymerizable monomer, adding ²water in the presence of basic compound to perform phase ²inversion emulsification, and then polymerizing the polymerizable ²monomer;²an aqueous resin composition obtained by dissolving 100 ²parts by mass of acid-modified polyolefin and 5 to 60 parts by ²mass of surfactant in a first polymerizable monomer, adding water ²in the presence of basic compound to perform phase inversion ²emulsification, polymerizing the first polymerizable monomer to ²form a resin composition, adding a second ...

POLYOLEFIN-BASED COMPOSITIONS, ADHESIVES, AND RELATED MULTI-LAYERED STRUCTURES PREPARED THEREFROM

A polyolefin-based composition made from or containing (A) a first polymer composition made from or containing a polyolefin grafted with an unsaturated monomer, (B) a second polymer composition made from or containing a polyethylene, and (C) a third polymer composition made from or containing (i) a first polyisobutylene and (ii) a second polyisobutylene. The first polyisobutylene has a Viscosity Average Molecular Weight (VAMWi), and the second polyisobutylene has a Viscosity Average Molecular Weight (VAMW2), wherein VAMWi ? VAMW2. The polyolefin-based composition is useful as an adhesives or a tie-layer adhesive composition for multi-layered structures. In particular, the composition is useful as an adhesive to bind a metal layer to a dissimilar substrate.

HOT MELT ADHESIVE AND DISPOSABLE PRODUCT

Disclosed is a hot melt adhesive comprising: (A) a thermoplastic block copolymer which is a block copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound; and (B) an amorphous wax modified with a carboxylic acid and/or a carboxylic anhydride. The hot melt adhesive is excellent in applicability at a low temperature near from about 140°C to about 150°C and excellent in creep resistance in a wet state, can reduce odor, is excellent in initial adhesive force, and is excellent in adhesive property (peel strength) to an olefin substrate. This hot melt adhesive can be used suitably so as to produce a disposable product.

EXTRUDABLE AND PRIMERLESS ADHESIVES AND PRODUCTS THEREFROM

IMPROVED EXTRUDABLE AND PRIMERLESS ADHESIVES AND PRODUCTS THEREFROM An extrudable bonding resin composition of (a) 65 to 99 percent of an ethylene copolymer portion of a copolymer of ethylene and 20 to 50 percent comonomer of acids, esters, and the like, and grafted sidechains of comonomer units selected from carboxylic acid, anhydride, salt, or half ester functionality, and optionally a compatible non-grafted ethylene copolymer, and (b) 1 to 35 percent by weight of a tackifying resin exhibits good adhesion properties without the need for a primer.

POLYPROPYLENE-BASED HOT-MELT ADHESIVE

An adhesive composition comprising a melt blend of: (a) 50-95 % by weight of polypropylene that has been grafted with 0-5 %, especially at least 0.1 % by weight, of at least one ethylenically-unsaturated carboxylic acid or anhydride, or derivative thereof; and (b) 5-50 % by weight of at least one copolymer of ethylene and at least one comonomer selected from carbon monoxide, vinyl acetate, alkyl acrylates, alkyl methacrylates, in which the alkyl group has 1-4 carbon atoms, acrylic acid and methacrylic acid, and ethylene/propylene/diene copolymers, said copolymer having been grafted with 0-5 % by weight of at least one ethylenically-unsaturated carboxylic acid or anhydride, or derivative thereof. The adhesive composition has a melt viscosity suitable for use as a hot melt adhesive.

USE OF AQUEOUS DISPERSION AS HEAT-SEALING LACQUER

A method for heat-sealing substrates is described, which comprises coating a substrate with an aqueous dispersion comprising an ethylene polymer A), with at least 20 % by weight of ethylene and at least 5 % by weight of an ethylenically unsaturated acid, and a free-radically polymerized polymer B), and pressing the coated substrate with a second substrate at elevated temperature.

POLYETHYLENE BASED HOT MELT ADHESIVE

Hot-melt adhesive compositions useful for packaging are disclosed. These hot-melt adhesive compositions are based on modified polyethylene and contain a linear, low density copolymer or terpolymer of ethylene and another alpha-olefin, a polyethylene graft copolymer, a tackifying resin, and a high-melting low viscosity wax. The hot-melt adhesive compositions disclosed herein produce very good adhesive bonds, even at high speed packaging conditions under a broad range of ambient packaging temperatures. These inventive adhesive compositions have a novel combination of good hot tack and good adhesive bond properties, even at extreme conditions.

Compositions de primaires pour le pretraitement de revatements et procedes pour les traiter.

Process for gluing or coating of metals

Primer compositions for pretreating [...] and methods for treating them.

КЛЕЕВАЯ ПОЛИМЕРНАЯ КОМПОЗИЦИЯ

Настоящее изобретение относится к клеевой полимерной композиции, содержащей а) неэластомерный полиэтилен в количестве от 40 до 97 мас.% от общей массы композиции и b) эластомер, содержащий эластомерный этиленовый сополимер с группами полярного сомономера, где компонент а) получен по способу с использованием катализатора с одним активным центром, и компонент а) либо компоненты а) и b) подвергнуты прививке с использованием агента для прививки кислоты. Кроме этого, изобретение относится к изделию, в частности, к многослойной трубе, включающей клеевой слой, который содержит упомянутую клеевую полимерную композицию, и к использованию упомянутой клеевой полимерной композиции для получения клеевого слоя, в частности, клеевого слоя на трубе.

ADHESION COMPOSITION BASED ON GRAFTED POLYETHYLENE

POLYPROPYLENE COMPOSITION, SUITABLE FOR APPLICATION OF COATINGS BY EXTRUSION

Adhesive article with a barrier layer

鞋子中用于鞋底制造的涂有胶粘剂的平板

... 一种用于形成鞋子用鞋底的平板材料，所述材料包括具有上表面的未模制的鞋底材料，与鞋底材料的上表面邻接的内部乙烯共聚物基胶粘剂，以及与内部胶粘剂邻接的外部热塑性聚氨酯基胶粘剂。外部胶粘剂选自热塑性聚氨酯、丙烯酸改性的聚氨酯和丙烯酸酯改性的聚氨酯。 ...

Adhesives films

This invention comprises a film useful as an adhesive, a composition useful to make the film, and a laminate comprising the film contiguous with at least one metal substrate, at least one foam substrate or combination thereof. The composition comprises (a) at least one anhydride grafted olefin polymer, (b) at least one high density polyethylene, and (c) at least one elastomer which preferably has a tensile elongation at break of at least about 585%, a density of at most about 0.900 g/cm3 or a combination thereof. The anhydride grafted olefin polymer or combination thereof is preferably present in an amount of from about 20 to about 40 weight percent, the high density polyethylene or combination thereof is preferably present in an amount of from about 40 to about 60 weight percent, and the elastomer or combination thereof is preferably present in an amount of from about 17 to about 30 weight percent. Each anhydride grafted olefin polymer is independently most preferably a maleic anhydride ...

Integrated textile leather section

Polyolefin packaging film used for solar cell modules

Functionalized olefin interpolymers, compositions and articles prepared therefrom, and methods for making the same

Isotropic conductive adhesive and adhesive film using the same

Adhesive compsn. contg. ethylene copolymer or atactic polyolefin - grafted with unsatd. mono- or di:carboxylic acids or derivs., vinyl cpds., etc., and having improved heat resistance

MELANGE ADHESIF POLYETHYLENIQUE ET STRUCTURE COMPOSITE COMPRENANT LEDIT MELANGE

L'INVENTION A TRAIT A DES MELANGES ADHESIFS ET A DES STRUCTURES COMPOSITES. ELLE CONCERNE DES MELANGES DE RESINES QUI ADHERENT AVEC FORCE A DIVERS SUBSTRATS, NOTAMMENT DES SUBSTRATS POLAIRES. CES MELANGES COMPRENNENT: A. UN COPOLYMERE GREFFE COMPRENANT UN SQUELETTE POLYETHYLENIQUE SUR LEQUEL EST GREFFE AU MOINS UN MONOMERE CHOISI ENTRE DES ACIDES OU DERIVES D'ACIDES CARBOXYLIQUES A NON-SATURATION ETHYLENIQUE POLYMERISABLES TELS QUE DES ANHYDRIDES, DES ESTERS, DES SELS, DES AMIDES, DES IMIDES, ETC.; B. UN PEBD OU UN COPOLYMERE ETHYLENE-ESTER NON SATURE; ET C. UNE POLY(A-OLEFINE). APPLICATION A LA REALISATION DE STRUCTURES COMPOSITES COMPRENANT UN OU PLUSIEURS SUBSTRATS ET UN MELANGE DU TYPE DEFINI CI-DESSUS COMME ADHESIF AU CONTACT DU OU DES SUBSTRATS.

METAL SURFACES COATED WITH FLUORINATED POLYMERS

COMPOSITION THERMOCOLLANTE, USE OF THIS ONE AND STOPPER Of OBTURATIONFABRIQUE FROM THIS COMPOSITION

PROCEDE DE GREFFAGE DE COMPOSES INSATURES SUR DES COPOLYMERES D'ETHYLENE ET D'ESTERS VINYLIQUES OU ACRYLIQUES, ET APPLICATION DES COPOLYMERES GREFFES RESULTANTS, ENTRE AUTRES, COMME CONSTITUANTS DE COMPOSITIONS ADHESIVES

PROCEDE DE GREFFAGE DE COMPOSES INSATURES POLYMERISABLES PAR VOIE RADICALAIRE SUR DES COPOLYMERES D'ETHYLENE ET D'ESTERS VINYLIQUES OU ACRYLIQUES. CE PROCEDE CONSISTE A MAINTENIR A UNE TEMPERATURE COMPRISE ENTRE 60 ET 150C, UNE SUSPENSION AQUEUSE DU COPOLYMERE D'ETHYLENE ET D'ESTER VINYLIQUE OU ACRYLIQUE, NOTAMMENT COPOLYMERE EVA, A LAQUELLE ON A INCORPORE UN OU PLUSIEURS DES COMPOSES INSATURES A GREFFER AINSI QU'UN GENERATEUR CHIMIQUE DE RADICAUX LIBRES. LES COPOLYMERES GREFFES OBTENUS PEUVENT CONVENIR COMME CONSTITUANTS DE COMPOSITIONS ADHESIVES UTILISABLES POUR LE REVETEMENT OUET LE COLLAGE DE SUBSTRATS DIVERS.

Adhésif à utiliser entre une couche de polypropylène et une couche de copolymère éthylène-alcool vinylique dans des matériaux d'emballage

L'invention concerne un adhésif destiné à être utilisé entre une couche de polypropylène et une couche de copolymère éthylène-alcool vinylique. L'adhésif selon l'invention comprend A) 98,9 à 59,9 % en poids d'un polypropylène modifié partiellement ou totalement greffé avec un acide carboxylique insaturé ou son dérivé, B) 1,0 à 40 % en poids d'un copolymère éthylène-alpha-oléfine ayant une densité de 0,915 à 0,940 g/cm**3 et un point de fusion de 115 à 130degre(s)C et C) 0,1 % en poids ou plus, mais moins de 3 % en poids, d'un élastomère synthétique du type hydrocarbure Applications : fabrication de bouteilles multicouches constituées d'une couche de polypropylène et d'une couche de copolymère éthanol-alcool vinylique.

BINDING CONTAINING POLYETHYLENE GRAFTS AND OF POLYSTYRENE SHOCK OR CRYSTAL RUPTURECOHESIVE HAS

L'invention concerne un liant comprenant un mélange de polyéthylène (abrégé PE) greffé, de polystyrène (abrégé PS) choc ou cristal greffé ou non greffé et éventuellement du PE non greffé. De préférence, le PE greffé est composé de deux PE différents cogreffés. Ce liant est utile pour fabriquer des structures multicouches destinées au domaine du Bâtiment Travaux Publics (BTP), plus particulièrement au domaines des panneaux d'aluminium, des tubes multicouches, mais aussi au domaine de l'emballage.

ADHESIVE MIXTURES CONTAINING POLYOLEFINS MODIFIEES

MATERIAL Of PACKING INCLUDING/UNDERSTANDING an OXIDE COATING SILICON AND a LAYER OF POLYOLEFIN

L'invention concerne un matériau comprenant un film recouvert d'oxyde de silicium et un film de polyoléfine, tel que le liant disposé entre l'oxyde de silicium et le film de polyoléfine est choisi parmi :- les polyoléfines greffées avec des alcoxysilanes insaturés ;ou- les polyoléfines greffées avec des epoxydes insaturés.ou- les copolymères de l'éthylène et d'au moins un epoxyde insaturé.Ce matériau est particulièrement utile pour fabriquer des emballages alimentaires.

MIX POLYOLEFINS USEFUL LIKE ADHESIVES

BINDER FOR MULTILAYER STRUCTURE

La présente invention se rapporte à un liant pour structures multicouches, comprenant : - de 60% à 95%, en poids de la composition, d'une matrice en polyéthylène choisi parmi les polyéthylènes radicalaires basse densité (PEBD), - de 5% à 40%, en poids de la composition, d'un mélange de deux polyéthylènes, le premier polyéthylène consistant en un polyéthylène métallocène, cogreffé par un acide carboxylique insaturé, monomère de greffage, les greffons d'acide carboxylique insaturé représentant plus de 0,5% en poids du mélange, caractérisée en ce que le second polyéthylène consiste en un polyéthylène radicalaire basse densité (PEBD) et en ce que le MFI ou indice d'écoulement à l'état fondu (norme ASTM D 1238, à 190°C, sous 2,16 kg) est compris entre 4 et 15 g/10 min.. Elle concerne également une structure multicouche incorporant le liant et un procédé de fabrication de cette structure multicouche.

MIX ADHESIVE CONTAINING LINEAR POLYETHYLENE LOW DENSITY COGREFFE WITH AN UNSATURATED CARBOXYLIC ACID AND POSSIBLY WITH AN UNSATURATED ESTER AND COMPOSITE STRUCTURES USING THE AFOREMENTIONED ADHESIVE

접착제 조성물 및 그것을 이용한 열융착성 부재

... 본 발명은 본래 다른 부재와의 접착성이 떨어지는 폴리올레핀 수지 성형체의 접착에 이용하였을 때, 충분한 접착 강도가 얻어지는 접착제 조성물을 제공하는 것을 목적으로 한다. 또한, 폴리올레핀 수지 성형체와 다른 부재의 접합체에 있어서, 접착부에서의 내열성(내열접착성) 등이 우수한 접착제 조성물을 제공하는 것을 목적으로 한다. 본 발명의 접착제 조성물은, 유기 용제, 이 유기 용제에 용해되어 있으며 130℃에서 측정한 용융 유속이 5 내지 40g/10min인 카르복실기를 갖는 폴리올레핀 수지, 및 다관능 이소시아네이트 화합물을 함유한다. 본 발명의 접착제 조성물은 융점이 120℃ 내지 170℃인 카르복실기를 갖는 폴리올레핀 수지를 더 포함할 수 있다.

화상 표시 장치 구성용 적층체의 제조 방법

... 실온 상태에서는, 시트 형상의 형상을 유지할 수 있고, 박리 가능한 정도의 부착성을 구비할 수 있고, 핫 멜트에 의해 유동성을 가지게 되고, 최종적으로는 가교하여 화상 표시 장치 구성 부재끼리를 강고하게 접착할 수 있는 새로운 화상 표시 장치 구성용 적층체의 제조 방법을 제공한다. 적어도 다음의 (1)∼(3)의 공정을 가지는 것을 특징으로 하는 화상 표시 장치 구성용 적층체의 제조 방법을 제안한다. (1) 가지 성분으로서 매크로 모노머를 구비한 그래프트 공중합체로 이루어지는 아크릴계 공중합체 (A)와, 가교제 (B)와, 광중합 개시제 (C)를 함유하는 점착제 수지 조성물을 제작하여, 당해 점착제 수지 조성물로 이루어지는 점착층을 구비한 단층 또는 다층의 투명 양면 점착재를 시트 형상으로 성형하는 공정. (2) 상기 투명 양면 점착재를 개재하여 2개의 화상 표시 장치 구성 부재를 부착하여 적층하는 공정. (3) 적어도 일방의 화상 표시 장치 구성 부재의 외측으로부터, 활성 에너지선을 투명 양면 점착재의 상기 점착층에 조사하고, 당해 점착층을 가교시켜, 2개의 화상 표시 장치 구성 부재를 접착시키는 공정.

변성 폴리올레핀 함유 수성 분산체 조성물

... 접착성, 내수성이 양호하고, 수성 분산체 조성물의 점도가 500 m㎩·s 이하의 범위로 일정한 변성 폴리올레핀 함유 수성 분산체 조성물을 제공하는 것이다. 변성 폴리올레핀(A) 및 염기성 물질(B)을 함유하고, 산가가 150∼500 ㎎KOH/g-수지인 음이온성기 함유 수용성 고분자(C) 및 전해질(D) 중 적어도 한쪽을 더 함유하는 수성 분산체 조성물.

ANISOTROPIC ADHESIVE EMPLOYING INSULATING ADHESIVE COMPONENT CONTAINING CROSSLINKABLE RUBBERY RESIN

PURPOSE: An anisotropic adhesive is provided to minimize the contraction of an anisotropic conductive adhesive during polymerization or curing process, thereby preventing the shortage due to the separation of an adhesive or the movement of an electrode. CONSTITUTION: The anisotropic adhesive comprises an insulating adhesive component, and a plurality of conductive particles dispersed in the insulating adhesive component, wherein the insulating adhesive component contains a crosslinkable rubbery resin. Preferably the crosslinkable rubbery resin comprises at least one selected from the group consisting of olefin resin, butadiene resin, acrylonitrile-butadiene copolymer, styrene-butadiene-styrene copolymer, isobutylene-isoprene copolymer, nitrile-butadiene rubbery resin, chloroprene rubbery resin, vinyl-butyral resin and silicone rubbery resin. © KIPO 2006 ...

ADHESIVE COMPOSITION AND THERMALLY ADHESIVE MEMBER USING SAME

composições de adesivos termofundíveis tendo boa aderência sobre substratos polares e não polares

composição e artigo

Adhesive composition, adhesive sheet, laminate, and printed wiring board

To provide an adhesive composition that has excellent adhesiveness with respect to both metal substrates and various resin substrates such as those made of polyimides, and that also has exceptional solder heat resistance, low dielectric characteristics, and flame-retardance or tack resistance. An adhesive composition containing an acid-modified polyolefin (a), an oligophenylene ether (b) that has a number-average molecular weight of 3000 or less, an epoxy resin (c), and a polycarbodiimide (2), the adhesive composition furthermore containing a flame retarder (e) and/or an inorganic filler (f).

OPTICAL STACK COMPRISING ADHESIVE

Presently described are optical stacks comprising a first optical film comprising a plurality of structures comprising an optically active portion designed primarily to provide optical gain and optionally an optically in-active bonding portion disposed on a first surface bonded to a second optical film with a light-transmissive adhesive layer such that a portion of the structures penetrate the adhesive layer and a separation is provided between the adhesive layer and the first surface. In one embodiment, the optical stacks exhibit a combination of high peel strength and high retained brightness, particularly after aging. The adhesive layer preferably comprises an interpenetrating network of the reaction product of a polyacrylate component and a polymerizable monomer and the adhesive layer has an elastic modulus ranging from 100 to 2000 MPa at 25°C.

POLYPROPYLENE COMPOSITION SUITABLE FOR EXTRUSION COATING

Polypropylene composition comprising a polypropylene base resin whereby the polypropylene base resin has a MFR (2.16 kg, 230 °C, ISO 1133) of 8 to 24 g/10min and a LAOS-NLF > 2.8 whereby LAOS - NLF = |G'1/G'3| where G'1 - first order Fourier Coefficient, G'3 - third order Fourier Coefficient.

HOT MELT ADHESIVE COMPOSITIONS HAVING GOOD ADHESION ON BOTH POLAR AND NONPOLAR SUBSTRATES

The present invention relates to hot melt adhesive compositions comprising a) at least one thermoplastic silane grafted poly-α-olefin (P) that is solid at 25°C; and b) at least one reaction product (RP) of a polyisocyanate having an isocyanate-reactive silane (S), wherein the isocyanate-reactive silane (S) comprises exactly one group reactive to an isocyanate group, selected from the group consisting of a hydroxyl group, a mercapto group, and an amino group, and wherein the reaction product comprises a molecular weight Mw of less than 1500 g/mol. Said hot melt adhesives adhere well to both polar and nonpolar substrates, comprise an extended working life even in thin layers, but nevertheless rapidly develop high early adhesion and retain in particular good adhesion, primarily in warm and humid storage areas over a longer period of time.

HOT-MELT ADHESIVES HAVING LENGTHENED OPEN TIME

The present invention relates to hot-melt adhesive compositions, which have at least one thermoplastic silane-grafted poly-α-olefin, which is solid at 25°C, and at least one soft resin having a melting point or softening point between -10°C and 40°C. Said hot-melt adhesive compositions are suitable in particular as laminating adhesives and have a lengthened open time even in thin layers, but nonetheless rapidly build up a great early strength and result in a heat-stable adhesive bond.

A SYNTHETIC BASED SELF SEAL ADHESIVE SYSTEM FOR PACKAGING

The present invention provides a waterbased self seal adhesive system utilizing a self seal adhesive gontaining no natural rubber. The self seal adhesive system is comprised of a transfer adhesive disposed on a transfer web and an anchor adhesive disposed on an anchor web with the two adhesives forming the seal for the package. The self seal adhesives bond to themselves when pressure is applied to close or seal the packaging material. When peeled apart, the adhesive splits, adhesively fails from either or both the front web or the back web, or destroys one or both of the substrates of the package. Primer coatings may also be used to enhance performance of the self seal adhesive.

Sealing material for solar cell and solar cell module including same

A sealing material for a solar cell and a solar cell including the same, and the sealing material includes a polymer resin having a vicat softening point at 100° C. or 130° C. or between 100° C. and 130° C.

Multistage preparation of aqueous pressure-sensitive adhesive dispersions for producing self-adhesive articles

Described is a process for preparing an aqueous pressure-sensitive adhesive dispersion from ethylenically unsaturated, free-radically polymerizable monomers. In a first stage, a first polymer is prepared by free-radical emulsion polymerization. In a second stage, an aqueous polymer dispersion is prepared in the presence of the first polymer, where the glass transition temperature calculated for a polymer prepared from the monomers of the second stage is less than −20° C. The monomers of the first stage comprise monomers with acid groups. The polymerization of the first stage takes place at a low pH of less than 5. The acid groups of the first polymer are neutralized during, or before and during, the polymerization of the second stage to an extent such that the pH of the polymer dispersion at the end of the second stage is greater than 5. The aqueous pressure-sensitive adhesive dispersions can be used for producing self-adhesive articles, especially self-adhesive labels and adhesive tapes.

Hot-melt adhesive material for induction heating

The present invention provides a laminate in which a formed article as an adherend is adhered without impairing the external designability and touch of the formed article, and a hot-melt adhesive material which is suitable for dielectric heating that does not cause thermal damage directly to a formed article. Having reached the idea that a configuration might be useful, in which an adhesive having satisfactory adhesiveness to both metal and resin materials is laminated on a metal layer for selectively heating a hot-melt adhesive layer by dielectric heating, the present inventor has made extensive studies and found that an adhesive material in which a layer of an adhesive including a modified polyolefin resin is laminated on a metal layer, is capable of adhesion without impairing the designability of an adherend by induction heating.

ADHESIVE RESIN COMPOSITION AND MOLDED PRODUCTS

An adhesive resin composition, including: a base resin which comprises (A) 30-90 parts by weight of a modified ethylene-olefin copolymer, and (B) 70-10 parts by weight of a styrene thermoplastic elastomer, provided that (A)+(B) equals 100 parts by weight; and (C) a tackifier in an amount of 30-60 parts by weight per 100 parts by weight of the base resin, the modified ethylene-olefin copolymer being one which has been graft-modified with (a) an unsaturated carboxylic acid or a derivative thereof and (b) an aromatic vinyl monomer, comprises 0.1%-5% by weight of (a) the unsaturated carboxylic acid or the derivative thereof, and has a melting point peak in a range of 100-150° C. with an enthalpy of crystal fusion of 0.5-10 J/g as determined by DSC. 1. An adhesive resin composition , essentially comprising: (A) 30 to 90 parts by weight of a modified ethylene-olefin copolymer, and', '(B) 70 to 10 parts by weight of a styrene thermoplastic elastomer, provided that (A)+(B) equals 100 parts by weight; and', '(C) a tackifier in an amount of 30 to 60 parts by weight per 100 parts by weight of the base resin,, 'a base resin which comprises'}the modified ethylene-olefin copolymer being one which has been graft-modified with (a) an unsaturated carboxylic acid or a derivative thereof and (b) an aromatic vinyl monomer, comprises 0.1% to 5% by weight of (a) the unsaturated carboxylic acid or the derivative thereof, and has a melting point peak in a range of 100 to 150° C. with an enthalpy of crystal fusion of 0.5 to 10 J/g as determined by DSC.2. The adhesive resin composition according to claim 1 ,{'sup': 3', '3, 'wherein the modified ethylene-α-olefin copolymer is obtained by modification of an ethylene-α-olefin copolymer having a density of 0.85 g/cmto 0.87 g/cm.'}3. The adhesive resin composition according to claim 2 ,wherein the ethylene-α-olefin copolymer to be graft-modified is an ethylene-propylene copolymer.4. The adhesive resin composition according to claim 3 ,wherein the ...

Isobutylene Copolymer with Grafted Polymer Groups

Disclosed are copolymers which comprise: a) an isobutylene copolymer having grafted polymer groups, b) optionally a tackifier, and c) optionally a non-functionalized poly(isobutylene) polymer. The compositions are useful in adhesives and coatings.

ADHESIVE COMPOSITION AND THERMALLY ADHESIVE MEMBER USING SAME

The purpose of the present invention is to provide an adhesive composition leading to sufficient adhesive strength when used for bonding to a polyolefin resin molded article that bonds poorly with other members. Another purpose of the present invention is to provide an adhesive composition having excellent heat resistance (heat resistant adhesion) in the bonded part of a composite body obtained by joining a polyolefin resin-formed body and other member. This adhesive composition contains an organic solvent, a carboxyl group-containing polyolefin resin which is dissolved in this organic solvent and which has a melt flow rate of 5 to 40 g/10 min when measured at 130° C., and a polyfunctional isocyanate compound. This adhesive composition may further contain a carboxyl group-containing polyolefin resin having a melting point of 120° C. to 170° C. 1. An adhesive composition , comprising:an organic solvent,a polyolefin resin A that is dissolved in the organic solvent, anda polyfunctional isocyanate compound,wherein the polyolefin resin A has a melt flow rate measured at 130° C. of 5 to 40 g/10 min, and comprises a carboxyl group.2. The adhesive composition according to claim 1 , wherein a content of the carboxyl group in the polyolefin resin A is in a range of from 0.01 to 2.0 mmol based on 1 g of the polyolefin resin A.3. The adhesive composition according to claim 2 , further comprising a polyolefin resin B that has a melting point of from 120° C. to 170° C. claim 2 , and comprises a carboxyl group.4. The adhesive composition according to claim 3 , wherein a content of the carboxyl group in the polyolefin resin B is in a range of from 0.01 to 2.0 mmol based on 1 g of the polyolefin resin B.5. The adhesive composition according to claim 1 , further comprising a polyolefin resin B that has a melting point of from 120° C. to 170° C. claim 1 , and comprises a carboxyl group.6. The adhesive composition according to claim 5 , wherein a content of the carboxyl group in the ...

HOT-MELT ADHESIVE RESIN FILM AND PRODUCTION METHOD THEREOF

The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof. 1. A hot-melt adhesive resin film comprising a first surface layer , a first intermediate layer , a substrate layer having heat resistance , a second intermediate layer , and a second surface layer , which are laminated in this order ,wherein said first intermediate layer and said second intermediate layer consist of a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid,said first surface layer and said second surface layer include a composition having an acid-modified polyolefin resin (A),a resin constituting said substrate layer includes at least one selected from the group consisting of a polyester resin, a cyclic olefin polymer and a methylpentene polymer, andsaid polyester resin is polyethylene naphthalate, polyethylene terephthalate, or polybutylene terephthalate.2. The hot-melt adhesive resin film according to claim 1 , wherein said first surface layer and said second surface layer contain 80 parts by mass to 99.9 parts by mass of the acid-modified polyolefin resin (A) claim 1 , and 0.1 parts by mass to 20 parts by mass of an epoxy group-containing polyolefin-based resin (B) having a main chain which is obtained by copolymerizing an olefin compound and an epoxy group-containing vinyl monomer and a side chain bound to said main chain claim 1 , ...

COMPOSITION AND PROCEDURE FOR OBTAINING A FILM OF MICRO POROUS THERMOPLASTIC POLYMER THAT IS ESPECIALLY SUITED TO THE PRODUCTION OF PERSONAL HYGIENE ARTICLES SUCH AS DIAPERS AND SANITARY TOWELS

The present invention consists in a method and a composition for obtaining films of a thermoplastic polymer, preferably polyethylene, that are non-breathable and heavily charged with treated mineral particles in order to leave hollow spaces in the structure thereof, resulting in a significant reduction in density. 1. A method to obtain a non-breathable film having a micro-porous structure comprising a base polymer loaded with mineral particles covered by a fatty acid partially adhered to the base polymer by means of a co-polymer adhesive , the method comprising:a stage of dispersion of the particles of mineral load with the polymer; anda film forming stage.2. The method according to claim 1 , wherein the stage of dispersion of the polymer with the mineral load is carried out apart from the extrusion line of the film by mixers with arms claim 1 , turbo-mixers for powder or single or multiple screw extruders-mixers claim 1 , preferably double screw co-rotating extruders with gas removal assisted by a vacuum pump.3. The method according to claim 1 , wherein the stage of dispersion of the polymer with the mineral load is carried out directly in the film extrusion line claim 1 , through a simple or double screw extruder-mixer claim 1 , preferably a double screw co-rotating extruder with gas removal assisted by a vacuum pump.411. The method according to claim claim 1 , wherein claim 1 , in the film forming stage claim 1 , the film is only subject to hot stretching between the extrusion nozzle and the solidification of the film between 20/1 and 60/1 and no subsequent stretching. On the market there are two different types of outer covering for disposable diapers and sanitary towels, the first type consists of a matt polyethylene film, 18-22 microns thick, the second is obtained by lamination or co-extrusion of a 10-22 micron thick polyethylene film with an unwoven polypropylene fabric to give it a more textile appearance.Both Types may be breathable or non-breathable. ...

POLYOLEFIN RESIN COMPOSITION FOR HOT MELT ADHESIVE, HOT MELT ADHESIVE FILM, AND LAMINATE

A polyolefin resin composition for hot melt adhesives includes 5 to 95% by weight of (A) an ethylene-α-olefin copolymer having a melting point of at least 100° C. but not more than 140° C.; and 5 to 95% by weight of (B) an ethylene-α-olefin copolymer having a melting point of at least 70° C. but less than 100° C. 1. A polyolefin resin composition for hot melt adhesives , comprising:5 to 95% by weight of (A) an ethylene-α-olefin copolymer having a melting point of at least 100° C. but not more than 140° C.; and5 to 95% by weight of (B) an ethylene-α-olefin copolymer having a melting point of at least 70° C. but less than 100° C.2. The polyolefin resin composition for hot melt adhesives according to claim 1 , further comprising 1 to 60 parts by weight of (C) a styrenic thermoplastic elastomer per 100 parts by weight of the combined amount of the copolymers (A) and (B).3. The polyolefin resin composition for hot melt adhesives according to claim 1 , further comprising 1 to 80 parts by weight of (D) a tackifier per 100 parts by weight of the combined amount of the copolymers (A) and (B).4. The polyolefin resin composition for hot melt adhesives according to claim 1 , wherein the polyolefin resin composition has a storage elastic modulus at 80° C. claim 1 , G′(80) claim 1 , of 0.8 MPa or more as measured in a shear mode at a frequency of 10 Hz claim 1 , and a storage elastic modulus at 110° C. claim 1 , G′(110) claim 1 , of less than 0.8 MPa as measured in a shear mode at a frequency of 10 Hz.5. The polyolefin resin composition for hot melt adhesives according to claim 1 , wherein the ethylene-α-olefin copolymer (A) has a tensile elastic modulus of at least 300 MPa but not more than 700 MPa claim 1 , and the ethylene-α-olefin copolymer (B) has a tensile elastic modulus of at least 50 MPa but less than 300 MPa.6. The polyolefin resin composition for hot melt adhesives according to claim 1 , wherein at least one of the ethylene-α-olefin copolymer (A) or the ethylene-α- ...

ADHESIVE COMPOSITION

The present invention relates to an adhesive composition comprising a. a polyethylene resin (A) which has been grafted with an acid grafting agent and b. an epoxy resin (B) in an amount of 0.01 to 15 wt. % of the adhesive total composition, wherein the adhesive composition is having a MFRof 0.1 to 12 g/10 min. Furthermore, the invention relates to an article, in particular a multilayer pipe, comprising an adhesive layer which comprises said adhesive composition and the use of said adhesive composition for the production of an adhesive layer, in particular of an adhesive layer of a pipe. 1. An adhesive composition comprisinga. a polyethylene resin (A) which has been grafted with an acid grafting agent andb. an epoxy resin (B) in an amount of 0.01 to 15 wt. % of the adhesive total composition,wherein the adhesive composition is having a MFR5 of 0.1 to 12 g/10 min.2. The adhesive composition according to wherein the adhesive composition has a density of 910 to 990 kg/m3.3. The adhesive composition according to wherein the adhesive composition further comprises an elastomeric resin (C).4. The adhesive composition according to wherein the elastomeric resin (C) is present in an amount of 2 to 60 wt. % claim 1 , of the total composition.5. The adhesive composition according to wherein the polyethylene resin (A) has a MFR2 of 0.5 to 20 g/10 min.6. The adhesive composition according to wherein the polyethylene resin (A) has a density of 920 to 970 kg/m3.7. The adhesive composition according to wherein the acid grafting agent is selected from unsaturated carboxylic acids and derivatives thereof.8. The adhesive composition according to wherein the amount of said acid grafting agent is from 0.01 to 3.0 wt. % claim 1 , of the overall composition.9. The adhesive composition according to wherein the epoxy resin (B) is present in an amount of 0.05 to 20 wt. % of the total composition.10. The adhesive composition according to wherein the epoxy resin (B) is a Bisphenol A resin.11. An ...

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

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 ...

Articles, Compositions, Systems, and Methods Using Selectively Detackified Adhesives

Adhesive compositions are described which can be selectively detackified or deadened. Articles using such adhesive compositions are also described. Also described are techniques in which select regions of adhesive layers in the articles are detackified. Also described are systems and methods using the various articles and adhesive compositions. And particular label constructions are described. 1. A method for allowing relatively thin labels to be used in a label dispensing operation in which a release liner is separated from an adhesive face of the label and the label is applied to an article to be labeled , the method comprising:prior to separating the release liner from the adhesive and label, irradiating at least a portion of the adhesive with radiant energy, whereby the irradiated adhesive undergoes a reduction in tack and a reduced peel force is obtained upon separating the release liner from the adhesive and label.2. The method of wherein the release liner is separated from the adhesive and the label using a peel plate.3. The method of wherein the irradiating is performed upon adhesive disposed along a leading edge of the label. The present application is a continuation of U.S. patent application Ser. No. 15/837,222 filed Dec. 11, 2017, which is a continuation of U.S. patent application Ser. No. 15/597,764 filed May 17, 2017, now U.S. Pat. No. 9,963,618, which is a continuation of U.S. patent application Ser. No. 15/271,426 filed Sep. 21, 2016, now U.S. Pat. No. 9,683,136, which is a continuation of U.S. patent application Ser. No. 14/585,365 filed Dec. 30, 2014, now U.S. Pat. No. 9,458,358, which claims the benefit of U.S. Provisional Patent Application Nos. 61/924,900 filed Jan. 8, 2014, and 62/063,131 filed Oct. 13, 2014, all of which are incorporated herein by reference in their entireties.The present subject matter relates to techniques for detackifying an adhesive. These techniques and associated aspects can be used in a wide range of applications ...

OPTICAL STACK COMPRISING ADHESIVE

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

BACKSHEET FOR PHOTOVOLTAIC MODULES COMPRISING AN ALIPHATIC POLYAMIDE

The present invention relates to a backsheet for photovoltaic modules comprising a polymeric layer comprising an aliphatic polyamide comprising 1,10-decanedioic acid. Examples of such aliphatic polyamides are polyamide 4,10, polyamide 5,10 or polyamide 6,10. Preferably polyamide 4,10 is present in the rear layer of the backsheet. A polyolefin layer is preferably present in the core layer of the backsheet. It is however also possible that the polyamide is present in the core layer and polyolefin is present in the rear layer of the backsheet. The polyolefin is preferably chosen from the group consisting of polyethylene, polypropylene or ethylene-propylene copolymers. More preferably the polyolefin is polypropylene. The backsheet preferably comprises at least a further polymeric layer comprising a polymer selected from the group consisting of an optionally functionalized polyolefin such as a maleic anhydride functionalized polypropylene homo or copolymer. The present invention further relates to a photovoltaic module containing essentially, in order of position from the front-sun facing side to the back non-sun-facing side, a transparent pane, a front encapsulant layer, a solar cell layer comprised of one or more electrically interconnected solar cells, a back encapsulant layer and the back-sheet according to the present invention. 1. Backsheet for photovoltaic modules comprising a core and/or rear layer comprising an aliphatic polyamide containing monomer units of an aliphatic linear dicarboxylic acid with at least 8 carbon atoms.2. Backsheet according to whereby the aliphatic linear dicarboxylic acid is chosen from the group of 1 claim 1 ,10-decanedioic acid claim 1 , 1 claim 1 ,11-undecandioic acid claim 1 , 1 claim 1 ,12-dodecanedioic acid claim 1 , 1 claim 1 ,13-tridecanedioic acid claim 1 , 1 claim 1 ,14-tetradecanedioic acid claim 1 , 1 claim 1 ,15-pentadecanedioic acid claim 1 , 1 claim 1 ,16-hexadecanedioic acid claim 1 , 1 claim 1 ,17-heptadecanedioic acid ...

Hot melt adhesive and disposable product

Disclosed is a hot melt adhesive comprising: (A) a thermoplastic block copolymer which is a block copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound; and (B) an amorphous wax modified with a carboxylic acid and/or a carboxylic anhydride. The hot melt adhesive is excellent in applicability at a low temperature near from about 140° C. to about 150° C. and excellent in creep resistance in a wet state, can reduce odor, is excellent in initial adhesive force, and is excellent in adhesive property (peel strength) to an olefin substrate. This hot melt adhesive can be used suitably so as to produce a disposable product.

Heat recoverable tube assembly and adhesive composition for heat recoverable tube assembly

A tube assembly includes glass fiber, a heat-recovered heat recoverable tube surrounding at least a portion of the glass fiber, an adhesive having an adhesive composition comprising a reactive polyethylene and a reactive propylene copolymer. The adhesive adhesively couples the heat-recovered heat recoverable tube to the glass fiber. The adhesive composition includes a reactive polyethylene, such as, a maleic anhydride modified linear low density polyethylene resin, and a reactive propylene copolymer, such as, a maleic anhydride grafted polypropylene copolymer. The adhesive composition is capable of adhering to glass fiber with an axial load of 5 N at 70° C. for a period of at least 60 seconds.

Surface-treated metal plate for polyolefin bonding, composite member, and method for manufacturing composite member

A surface-treated metal sheet for adhesion to polyolefin includes a metal sheet, and a resin layer provided on at least one surface of the metal sheet. The resin layer contains an acid-modified polyolefin, the acid-modified polyolefin contains a first acid-modified polyolefin having an acid value of 5 mgKOH/g or less and a second acid-modified polyolefin having an acid value of 20 mgKOH/g or more and a melting point of higher than 90° C., and a difference between a melting point of the first acid-modified polyolefin and the melting point of the second acid-modified polyolefin is 0° C. or more and less than 40° C.

POLYMER COMPOSITIONS FOR UV CURABLE PRIMERS

Polymer compositions for UV curable primer formulations, as described herein. The primer formulations contain a modifier selected from the following: at least one modifier selected from a) through d) below: a) R1R2C═CR3-(CO)—Z (Formula A), as described herein, b) an acrylate-containing oligomer that has a Mn≤1500 g/mol, and an acid value from 50 to 500 mg KOH/g; c) a random terpolymer comprising, in polymerized form, vinyl chloride, vinyl acetate, and at least one of the following: a hydroxyl-containing alkyl acrylate, a hydroxyl-containing alkyl meth-acrylate, or a combination thereof or d) any combination of a) through c). Such primer formulations are useful for the binding of olefin-based polymer foams. 2. The composition of claim 1 , wherein the composition further comprises at least one photoinitiator.3. The composition of claim 1 , wherein the weight ratio of component A to the sum weight of components B claim 1 , C and D claim 1 , A/(B+C+D) claim 1 , is from 0.10 to 0.75.4. The composition of claim 1 , wherein the component A is present in an amount from 5 to 35 wt % claim 1 , based on the weight of the composition.5. The composition of claim 1 , wherein the component A is a random terpolymer (subcomponent c) that comprises the following properties: i) Mw from 10 claim 1 ,000 to 100 claim 1 ,000 g/mole; ii) from 70 to 95 wt % vinyl chloride claim 1 , based on the weight of the terpolymer claim 1 , iii) from 5 to 15 wt % vinyl acetate claim 1 , based on the weight of the terpolymer; and iv) from greater than zero to 15 wt % claim 1 , based on the weight of the terpolymer claim 1 , of a hydroxyl-containing alkyl acrylate claim 1 , where alkyl group comprises 1 to 6 carbons claim 1 , or a hydroxyl-containing alkyl methacrylate where the alkyl group comprises 1 to 6 carbons.7. The composition according to claim 1 , wherein component D) is selected from the group consisting of the following: 1 claim 1 ,6 Hexanediol diacrylate (HDDA) claim 1 , tri propylene glycol ...

Cross-linkable adhesive compound

Pressure sensitive adhesive (PSA) compositions and methods are provided and may comprise a) at least one crosslinkable polymer constructed at least of (i) at least two monomers selected from monomer A, monomer B, and monomer C, wherein each monomer, independently of one another, comprises an olefinically unsaturated aliphatic or cycloaliphatic hydrocarbon, and (ii) at least one comonomer D comprising an olefinically unsaturated monomer having at least one carboxylic acid group and/or carboxylic anhydride group. The PSA compositions and methods may also comprise b) at least one organosilane and c) at least one tackifier resin.

IMPROVED ADHESIVE POLYMER COMPOSITION

An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 to 95% by weight, based on the adhesive polymer composition, has a weight average molecular weight Mw of from 50 000 to 80 000 g/mol, molecular weight distribution Mw/Mn of 2.0 to 5.5, density of from 0.925 to 0.945 g/cm, and at most 0.1 vinyl groups/1000 carbon atoms. The non-elastomeric copolymer or the non-elastomeric copolymer and the elastomer have been grafted with an acid rafting agent. 1. An adhesive polymer composition comprising{'sup': '3', 'a) a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, which non-elastomeric copolymer is present in an amount of 60 to 95% by weight, based on the adhesive polymer composition, has a weight average molecular weight Mw of from 50 000 to 80 000 g/mol, molecular weight distribution Mw/Mn of 2.0 to 5.5, density of from 0.925 to 0.945 g/cm, and at most 0.1 vinyl groups/ 1000 carbon atoms, and'}b) an elastomer,wherein the non-elastomeric copolymer or the non-elastomeric copolymer and the elastomer have been grafted with an acid grafting agent.2. The adhesive polymer composition according to claim 1 , wherein the non-elastomeric copolymer is present in an amount of 70 to 90% by weight based on the adhesive polymer composition.3. The adhesive polymer composition according to claim 1 , wherein the non-elastomeric copolymer has an MFRof from 1 to 20 g/10 min claim 1 , more preferably from 1 to 10 g/10 min.4. The adhesive polymer composition according to claim 1 , wherein said component a) has a density of from 0.930 to 0.942 g/cm5. The adhesive polymer composition according to claim 1 , wherein the non-elastomeric copolymer is a polyethylene with unimodal molecular weight distribution.6. The adhesive polymer composition according to claim 1 , wherein ...

PHOTOCURABLE RESIN COMPOSITION, FUEL CELL USING SAME, AND SEALING METHOD

The present invention aims to provide a photocurable resin composition which rapidly cures by irradiation with active energy rays such as ultraviolet rays and is excellent in adhesion to an electrolyte membrane which is a hard-to-bond material. A photocurable resin composition includes the following ingredients (A) to (C): ingredient (A): a polymer having one or more (meth)acryloyl groups and having a polyisobutylene skeleton containing a —[CHC(CH)]— unit, ingredient (B): a photoradical polymerization initiator, and ingredient (C): a compound having a (meth)acryloyl group and a cationic polymerizable functional group in one molecule. 1. A photocurable resin composition comprising the following ingredients (A) to (C):{'sub': 2', '3', '2, 'ingredient (A): a polymer having one or more (meth)acryloyl groups and having a polyisobutylene skeleton containing a —[CHC(CH)]— unit,'}ingredient (B): a photoradical polymerization initiator, andingredient (C): a compound having a radical polymerizable functional group and a cationic polymerizable functional group in one molecule.2. The photocurable resin composition according to claim 1 , wherein the radical polymerizable functional group of the ingredient (C) is a (meth)acryloyl group.3. The photocurable resin composition according to claim 1 , wherein the cationic polymerizable functional group of the ingredient (C) is a compound having a glycidyl group or a vinyl ether group.5. The photocurable resin composition according to claim 1 , further comprising a (meth)acrylate monomer as an ingredient (D).6. The photocurable resin composition according to claim 5 , wherein the ingredient (D) is a (meth)acrylate monomer which has an alkyl group having 5 to 30 carbon atoms or an alicyclic group having 5 to 30 carbon atoms.7. The photocurable resin composition according to claim 1 , wherein the ingredient (C) is contained at 0.1 to 100 parts by mass relative to 100 parts by mass of the ingredient (A).8. A photocurable sealing agent for ...

ADHESIVE COMPOSITIONS AND MULTILAYERED STRUCTURES COMPRISING FUNCTIONALIZED POLYPROPYLENE

Provided are functionalized polypropylene adhesive compositions having a desirable range of melt flow rate. These compositions are obtained by grafting at least one impact polypropylene copolymer or by co-grafting a blend containing at least one impact polypropylene copolymer and at least one random polypropylene copolymer. The polypropylene copolymer(s) are grafted with one or more ethylenically unsaturated carboxylic acids or derivatives of these acids, such as anhydrides. Maleic anhydride is a preferred grafting monomer. Also provided is a multilayer film or sheet structure containing at least one barrier layer and at least one adhesive layer produced from the functionalized polypropylene adhesive composition. The multilayer film or sheet structure may also contain at least one predominantly polypropylene-based layer. In addition, a multilayer film or sheet structure is provided in which a barrier layer or a primer layer is adjacent to at least one layer that is produced from a dry blend or a melt blend of the functionalized polypropylene adhesive composition with a polypropylene matrix polymer. 1. A polypropylene composition comprising a co-grafted blend of at least one impact co-PP and at least one random co-PP , wherein the impact co-PP and the random co-PP are co-grafted with a grafting monomer selected from the group consisting of ethylenically unsaturated carboxylic acids and derivatives of ethylenically unsaturated carboxylic acids.2. The polypropylene composition of claim 1 , wherein the at least one impact co-PP comprises about 10 wt % or more claim 1 , and preferably between 10 and 25 wt % claim 1 , of copolymerized units of ethylene claim 1 , based on the total weight of the impact co-PP prior to co-grafting; or wherein the at least one random co-PP comprises 10 wt % or less of copolymerized units of ethylene claim 1 , based on the total weight of the random co-PP prior to co-grafting.3. The polypropylene composition of claim 1 , wherein the co-grafted ...

One part, fast-setting, aqueous adhesive emulsions

The present disclosure relates to acrylic adhesive emulsions comprising a core-shell polymeric component comprising an inner core and an outer shell containing at least one pendent functional group; a polyfunctional component capable of reacting with at least one of the pendent functional groups on the outer shell; wherein the inner core is free of functional groups reactive with the pendent functional groups on the outer shell; and wherein the pH of the emulsion is 6.5 or less; and wherein the emulsion is a fast-setting, one part, aqueous, adhesive. Bonded articles made therefrom, and methods of bonding articles using these emulsions are also disclosed.

ADHESIVE SHEET FOR SEALING METAL TERMINALS OF FLAT ELECTROCHEMICAL CELL

In a packaging body provided with at least an inner layer composed of a thermal-adhesive polyolefin based resin and a barrier layer composed of a metal foil, in which metal terminals are sealed by the thermal-adhesive resin with unconnected ends of the metal terminals protruding outside, an adhesive sheet for sealing metal terminals of a flat electrochemical cell which is not only able to prevent a short circuit between the barrier layer and the metal terminals but high in a layer-to-layer adhesive strength and a low possibility of a reduction in battery performance to be caused due to invasion of moisture is provided. In the adhesive sheet for sealing a metal terminal part of a flat electrochemical cell according to the invention, a fibrous sheet or a porous sheet is covered by the inner layer and an acid-modified polyolefin based resin layer having adhesive properties. 1. An adhesive sheet for sealing metal terminals of a flat electrochemical cell , [ an inner layer formed of a polyolefin based thermal-adhesive resin and', 'a barrier layer formed of a metal foil,, 'a packaging material provided with, at least,'}, 'an electrochemical device provided with a positive electrode and a negative electrode, and', 'metal terminals connected to the positive electrode and the negative electrode, respectively,', 'the electrochemical device being enclosed in the packaging material and sealed therein by the thermal-adhesive resin at edges of the packaging material,', 'the metal terminals being held between edges of the packaging material, with unconnected ends of the metal terminals protruding outside,, 'the flat electrochemical cell including'}the adhesive sheet being interposed between the inner layer and the metal terminals where the metal terminals protrude out through the packaging material,whereinthe adhesive sheet is a fibrous sheet or a porous sheet coated on both sides with an acid-modified polyolefin based resin layer adhesive to the inner layer and the metal ...

Adhesive resin compositions and laminates

An adhesive resin composition including a propylene polymer (A), an ethylene polymer (B), and a thermoplastic resin (C) including a copolymer containing not less than 60 mol % and not more than 99 mol % of structural units derived from 4-methyl-1-pentene, and not less than 1 mol % and not more than 40 mol % of structural units derived from a C2-C20 α-olefin other than 4-methyl-1-pentene, these structural units representing total 100 mol % of the copolymer, the thermoplastic resin (C) showing a melting point Tm of not more than 199° C. or showing substantially no melting point as analyzed with a differential scanning calorimeter (DSC). The total of the components (A), (B) and (C) includes 45 to 75 parts by mass of the component (A), 5 to 20 parts by mass of the component (B), and 15 to 45 parts by mass of the component (C).

Maleic Anhydride Grafted LLDPE Having High Melt Index

Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index. 1. A linear low-density polyethylene (LLDPE) grafted with maleic anhydride (MAH-g-LLDPE) ,wherein the MAH-g-LLDPE has a melt index (MI) of 250 to 800 g/10 minutes measured according to ASTM D1238, Condition 190/2.16,wherein the MAH-g-LLDPE comprises 0.01 to 3 weight percent of maleic anhydride, based on the total weight of the MAH-g-LLDPE, andwherein the LLDPE has an MI of 0.5 to 10 g/10 minutes before grafting.2. The MAH-g-LLDPE according to claim 1 , which comprises 0.1 to 2 weight percent of maleic anhydride.3. The MAH-g-LLDPE according to claim 1 , which comprises 0.5 to 1.5 weight percent of maleic anhydride.4. The MAH-g-LLDPE according to claim 1 , wherein the LLDPE has a density of 0.890 to 0.925 g/cm.5. The MAH-g-LLDPE according to claim 1 , wherein the LLDPE is a copolymer of ethylene and 1-butene claim 1 , 1-hexene claim 1 , 1-octene claim 1 , or mixtures thereof.6. The MAH-g-LLDPE according to claim 1 , which has an MI of 300 to 800 g/10 minutes.7. The MAH-g-LLDPE according to claim 1 , which has an MI of 350 to 800 g/10 minutes.8. A hot melt adhesive comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(a) the MAH-g-LLDPE according to ;'}(b) a tackifier resin; and(c) a wax.9. The hot melt adhesive according to claim 8 , wherein the MAH-g-LLDPE comprises 0.5 to 1.5 weight percent of maleic anhydride.10. The hot melt adhesive according to claim 8 , wherein the LLDPE has a density of 0.890 to 0.925 g/cm.11. The hot melt adhesive according to claim 8 , wherein the LLDPE is a copolymer of ethylene and 1-butene claim 8 , 1-hexene claim 8 , 1-octene claim 8 , or mixtures thereof.12. The hot melt adhesive according to claim 8 , which has an MI of 350 to 800 g/10 minutes.13. The hot melt adhesive according to claim 8 , which comprises from 30 to 60% by weight of ...

POLYOLEFIN-BASED COMPOSITION, ADHESIVES, AND RELATED MULTI-LAYERED STRUCTURES PREPARED THEREFROM

A polyolefin-based composition made from or containing (A) a first polymer composition made from or containing a polyolefin grafted with an unsaturated monomer, (B) a second polymer composition made from or containing a polyethylene, and (C) a third polymer composition made from or containing (i) a first polyisobutylene and (ii) a second polyisobutylene. The first polyisobutylene has a Viscosity Average Molecular Weight (VAMW), and the second polyisobutylene has a Viscosity Average Molecular Weight (VAMW), wherein VAMW≠VAMW. The polyolefin-based composition is useful as an adhesives or a tie-layer adhesive composition for multi-layered structures. In particular, the composition is useful as an adhesive to bind a metal layer to a dissimilar substrate. 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, 'sup': 4', '5', '5', '6, 'wherein VAMW≠VAMW; the first polyisobutylene and the second polyisobutylene are present in an about 50:50 ratio; VAMW1 is from about 3*10to about 1*10grams per mole; and VAMW2 is from about 2*10to about 5*10grams per mole.'}], '(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.56-. (canceled)7. The polyolefin-based composition of claim 1 , wherein{'br': None, 'sub': 1', '2, '(5*VAMW)≦VAMW.'}8. The polyolefin-based ...

POLYMER COMPOSITION

The present invention relates to a polymer composition comprising (A) from 60 to 90 wt % of a non-elastomeric polyethylene; (B) from 9.0 to 38 wt % of an elastomer; wherein onto component (A) or components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the polymer composition, and wherein the polymer composition has two distinct peaks and a valley between said peaks in the GPC curve and a Z value, determined from the areas below the two peaks of the GPC curve, of at least −0.3, wherein the Z-value is determined according to formula (I) Z=s/Abs(B−A) (I) wherein Abs(B−A) is the absolute value of (B−A); A=the area, between the tangent parallel to the MW axis going through log M (Min) and the LS15 signal, from log M of 5.1 to log M value where the LS signal is minimum log M (Min), in the log M range between 5.1 and 6; B=the area, between the tangent parallel to the MW axis going through log M (Min) and the LS 15 signal, from log M(Min) to the point where the LS signal is crossed again; and s is the slope between the two peaks of the GPC curve, defined at log M of 5.1 and 6, wherein the GPC curve is defined as the concentration normalized LS 15 signal along the molecular weight of conventional GPC, obtained from the GPC-VISC-LS analysis, a multi-layer structure such as a coated metal pipe, comprising one layer comprising said polymer composition and the use of said polymer composition as adhesive polymer composition and for the production of a multi-layer structure. 1. A polymer composition comprising(A)from 60 to 90 wt % of a non-elastomeric polyethylene;(B) from 9.0 to 38 wt % of an elastomer;wherein onto component (A) or components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the polymer composition, and {'br': None, 'i': Z=s', 'B−A, '/Abs()\u2003\u2003(I)'}, 'wherein the polymer composition has two ...

ADHESIVE COMPOSITION, AND COVERLAY FILM, BONDING SHEET, COPPER-CLAD LAMINATE AND ELECTROMAGNETIC SHIELDING MATERIAL, EACH USING SAID ADHESIVE COMPOSITION

The present invention is an adhesive composition that is characterized by containing (A) a modified polyolefin resin and (B) an epoxy compound, and is also characterized in that: the modified polyolefin resin (A) is obtained by graft modifying a polyolefin resin with use of a modifying agent that contains an α,β-unsaturated carboxylic acid or a derivative thereof; the content of the epoxy compound (B) is 1-20 parts by mass relative to 100 parts by mass of the modified polyolefin resin (A); and the epoxy compound is composed of two or more types of epoxy compounds. 1. An adhesive composition , comprising:(A) a modified polyolefin-based resin; and(B) an epoxy resin,wherein the modified polyolefin-based resin (A) is a resin in which a polyolefin resin is graft-modified with a modifier comprising an α, β-unsaturated carboxylic acid or a derivative thereof,a content of the epoxy resin (B) is in a range of from 1 to 20 parts by mass based on 100 parts by mass of the modified polyolefin-based resin (A), andthe epoxy resin (B) comprises two or more types of epoxy resins.2. The adhesive composition of claim 1 , wherein the epoxy resin (B) comprises a novolak type epoxy resin.3. The adhesive composition of claim 2 , wherein the epoxy resin (B) comprises a bisphenol A novolak type epoxy resin.4. The adhesive composition of claim 1 , wherein the epoxy resin (B) comprises an epoxy resin having an alicyclic skeleton.5. The adhesive composition of claim 1 , wherein the modified polyolefin-based resin (A) comprises a modified polypropylene resin.6. The adhesive composition of claim 1 , wherein the derivative of the α claim 1 , β-unsaturated carboxylic acid is at least one compound selected from the group consisting of an itaconic anhydride claim 1 , a maleic anhydride claim 1 , an aconitic anhydride and a citraconic anhydride.7. The adhesive composition of claim 1 , wherein a content proportion of a graft portion derived from the α claim 1 ,β-unsaturated carboxylic acid or the ...

METHODS AND FORMULATIONS FOR BONDING DISSIMILAR MATERIALS

The present disclosure is directed to a formulations of cements and methods for bonding dissimilar materials. The formulations and methods can bond a Non-polyvinyl chloride (PVC) containing first polyolefin that is amorphous or has low crystallinity to a second material that is a rigid material or a hard PVC. The methods and formulations can work by co-dissolution at an interface, or activation of a one of the materials prior to bonding. 1. A method of bonding a first material to a second material with a bonding agent , the first and second materials being dissimilar , whereinthe first material comprises a non-polyvinyl chloride (Non-PVC) polyolefin polymer, wherein the Non-PVC polyolefin polymer is amorphous or has a degree of crystallinity in the range of about 0.1% to about 50% crystallinity;the second material comprises a rigid amorphous material having a tensile modulus in the range of about 1800 to about 3000 MPa, a PVC having a Shore A hardness in the range of about 70 to about 85, or a combination thereof; andthe bonding agent comprises an ethylene vinyl acetate copolymer, a polyolefin elastomer, a tackifer and a solvent;the method comprising applying the bonding agent to form a bond between the first material and the second material.2. The method of claim 1 , wherein the Non-PVC polyolefin polymer is a styrenic based thermoplastice elastomer (TPE) or a styrenic based thermoplastic olefin (TPO).3. The method of claim 1 , further comprising after application of the bonding agent claim 1 , sterilizing the first and second material at a temperature in the range of about 40° C. to about 60° C.4. The method of claim 1 , wherein the rigid amorphous material comprises a polycarbonate or a copolymer thereof or a polyacrylate or copolymers thereof.5. A method of bonding a first material to a second material claim 1 , the first and second materials being dissimilar claim 1 , whereinthe first material comprises a non-polyvinyl chloride (Non-PVC) polyolefin polymer, ...

Articles with an Adhesive Layer

The present disclosure provides an article. The article includes an adhesive layer with two opposing surfaces. The adhesive layer includes (i) a functionalized ethylene-based polymer having a melt index from 0.1 g/10 min to 300 g/10 min; (ii) from 0.01 wt % to 45 wt % of a functionalized hydrocarbon; (iii) a tackifier; and (iv) optionally, a crosslinking agent. 1. An article comprising: (i) a functionalized ethylene-based polymer having a melt index from 0.1 g/10 min to 300 g/10 min;', '(ii) from 0.01 wt % to 45 wt % of a functionalized hydrocarbon;', '(iii) a tackifier; and', '(iv) a crosslinking agent., 'an adhesive layer having two opposing surfaces, the adhesive layer comprising'}2. The article of further comprising a first layer in direct contact with a first surface of the adhesive layer claim 1 , the first layer comprising a fabric.3. The article of wherein the adhesive layer is crosslinked to the first layer.4. The article of further comprising a second layer in direct contact with a second surface of the adhesive layer claim 1 , the second layer comprising an ethylene-based polymer selected from the group consisting of an ethylene/α-olefin multi-block copolymer claim 1 , an ethylene/propylene/diene terpolymer claim 1 , and combinations thereof.5. The article of wherein the adhesive layer is crosslinked to the second layer.6. The article of comprising:a first layer in direct contact with a first surface of the adhesive layer, the first layer comprising a fabric comprising fiber selected from the group consisting of polyester fiber, polyamide fiber, cellulose fiber, and combinations thereof; anda second layer in direct contact with a second surface of the adhesive layer, the second layer comprising an ethylene-based polymer selected from the group consisting of an ethylene/α-olefin multi-block copolymer, an ethylene/propylene/diene terpolymer, and combinations thereof.7. The article of claim 6 , wherein the adhesive layer is crosslinked and the article has a ...

Articles, Compositions, Systems, and Methods Using Selectively Detackified Adhesives

Adhesive compositions are described which can be selectively detackified or deadened. Articles using such adhesive compositions are also described. Also described are techniques in which select regions of adhesive layers in the articles are detackified. Also described are systems and methods using the various articles and adhesive compositions. And particular label constructions are described. 1. A layered adhesive assembly comprising:a face layer defining an outer edge;an adhesive layer disposed on the face layer, the adhesive undergoing a reduction in tack upon sufficient exposure to radiant energy, the adhesive layer defining one or more regions of deadened adhesive adjacent to at least a portion of the outer edge.2. The layered adhesive assembly of wherein the one or more regions of deadened adhesive extend along a top portion of the outer edge.3. The layered adhesive assembly of wherein the one or more regions of deadened adhesive extend along a side portion of the outer edge.4. The layered adhesive assembly of wherein the one or more regions of deadened adhesive extend along a bottom portion of the outer edge.5. The layered adhesive assembly of wherein the face layer is at least substantially transparent.6. The layered adhesive assembly of wherein the adhesive comprises an effective amount of functionalized emulsion polymer.7. The layered adhesive assembly of wherein the functionalized emulsion polymer is prepared by treating an emulsion polymer having carboxylic acid functional monomers with at least one ethylenically unsaturated monomer including an epoxy group in the presence of a suitable catalyst.8. The layered adhesive assembly of wherein the carboxylic acid functionalized monomers are selected from the group consisting of acrylic acid claim 7 , methacrylic acid claim 7 , itaconic acid claim 7 , citraconic acid claim 7 , acryloxypropionic acid claim 7 , maleic acid claim 7 , methacryloxyisopropyl acid phthalate claim 7 , methacryloxyethyl acid phthalate ...

A COATED SUBSTRATE AND ARTICLES MADE THEREFROM

A coated substrate which includes a) a fabric substrate layer; b) an adhesive layer which is formed from a first composition comprising a thermoplastic elastomer and an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 1 to 20 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer and the thermoplastic elastomer; and c) a non-polar olefin-based layer formed from a second composition comprising at least one non-polar olefin-based polymer is provided. Also provided are an adhesive composition and articles comprising the coated substrate. 1. A coated substrate comprising:a) a fabric substrate layer;b) an adhesive layer which is formed from a first composition comprising a thermoplastic elastomer and an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 1 to 20 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer and the thermoplastic elastomer; andc) a non-polar olefin-based layer formed from a second composition comprising at least one non-polar olefin-based polymer.2. A coated substrate comprising:a) a fabric substrate layer;b) an adhesive layer which is formed from a first composition comprising a thermoplastic elastomer and an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer that has a chlorine content from 10 to 35 wt %, based on the total weight of the anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer; andc) a non-polar olefin-based layer formed from a second composition comprising at least one non-polar olefin-based polymer.3. The coated substrate of wherein the fabric substrate layer is a woven polymeric material.4. The coated substrate of wherein the adhesive layer is formed from a first composition which further comprises a non-aromatic ...

METHOD FOR IMPROVING THE OPERABILITY OF AN OLEFIN POLYMERIZATION REACTOR

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

PHOTOCURABLE ADHESIVE SHEET, LAMINATE FOR IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY DEVICE

To provide a photocurable adhesive sheet having both followability to steps and dimensional stability, also having durability after being bonded to a member to be bonded and capable of preventing flowing or foaming even when the member to be bonded has light shielded portions such as printed portions. A photocurable adhesive sheet formed from a photocurable adhesive composition containing a (meth)acrylic copolymer (A), a cross-linking agent (B) other than a photo-crosslinking agent, a photo-crosslinking agent (C) and a photoinitiator (D), wherein the photocurable adhesive sheet has a loss tangent (Tan δ) at a temperature of 90° C. of 0.9 or more. 1. A photocurable adhesive sheet , comprising:a photocurable adhesive composition comprising a (meth)acrylic copolymer (A),a cross-linking agent (B) other than a photo-crosslinking agent,a photo-crosslinking agent (C), anda photoinitiator (D),wherein the photocurable adhesive sheet has a loss tangent (Tan δ) at a temperature of 90° C. of 0.9 or more.2. The photocurable adhesive sheet according to claim 1 , having a physically and/or chemically cross-linked structure.3. The photocurable adhesive sheet according to claim 1 , having a cross-linked structure formed by a reaction of the (meth)acrylic copolymer (A) and the cross-linking agent (B) claim 1 , a cross-linked structure formed by a reaction of the cross-linking agent (B) and the photo-crosslinking agent (C) claim 1 , or both.4. The photocurable adhesive sheet according to claim 1 , wherein the (meth)acrylic copolymer (A) is a copolymer of a monomer component comprising a hydrophilic (meth)acrylate monomer.5. The photocurable adhesive sheet according to claim 1 , wherein the (meth)acrylic copolymer (A) has at least one functional group selected from the group consisting of a hydroxyl group claim 1 , a carboxyl group and an amino group claim 1 , and in the adhesive sheet claim 1 , the at least one functional group forms a chemical bond with a functional group in the ...

ADHESIVE COMPOSITIONS CONTAINING FUNCTIONALIZED ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS AND ROSIN-BASED TACKIFIERS

The invention provides a composition comprising the following components: 2. The composition of claim 1 , wherein the tackifier is selected from the following:ii) a fully hydrogenated pentaerythritol ester;iii) a fully hydrogenated glycerol ester;iv) a non-hydrogenated ester with a Tg from 30° C. to 50° C.; orv) a combination thereof.3. The composition of claim 1 , wherein the anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer of component A has a molecular weight distribution (MWD) from 1.5 to 5.0.4. The composition of claim 1 , wherein component A is present in an amount from 30 to 60 weight percent claim 1 , based on the weight of the composition.5. The composition of claim 1 , wherein the weight ratio of component A to component B (A/B) is from 0.50 to 2.00.6. The composition of claim 1 , wherein the compositioncomprises ≧70 wt % of the sum weight of component A and component B, based on the weight of the composition.7. The composition of claim 1 , wherein the composition further comprises component C) an ethylene/α-olefin interpolymer.8. The composition of claim 7 , wherein the ethylene/α-olefin interpolymer of component C has a density from 0.855 to 0.885 g/cc.9. The composition of claim 1 , wherein the composition has a melt viscosity (at 177° C.) from 100 to 2000 mPa·s.10. An article comprising at least one component formed from the composition of .11. The article of claim 10 , further comprising a substrate.12. The article of claim 11 , wherein the substrate is selected from the group consisting of the following: a coated substrate claim 11 , a recycled paper claim 11 , and combinations thereof.13. The article of claim 11 , wherein the substrate is selected from the group consisting of the following: a wax coated Kraft or carton claim 11 , a polyethylene coated Kraft or carton claim 11 , a BOPP film laminated Kraft or carton claim 11 , a polypropylene (PP) film laminated Kraft or carton claim 11 , a PET film laminated Kraft ...

Adhesive resin composition, method for bonding adherends, and adhesive resin film

The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film. More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.5 parts by mass or more and less than 50 parts by mass in a solid content of an epoxy resin having a novolac structure, and an organic solvent; a method for bonding adherends including forming an adhesive layer on a first adherend by applying the adhesive resin composition and drying, and then bonding a second adherend to the adhesive layer by laminating the second adherend on the adhesive layer; and an adhesive resin film including a first adhesive layer, a substrate layer, and a second adhesive layer in that order, in which any one or both of the first adhesive layer and the second adhesive layer include(s) the adhesive resin composition.

ADHESIVE COMPOSITION AND HEAT-FUSIBLE MEMBER USING SAME

An adhesive composition having high room-temperature peel strength, high hot peel strength, and excellent adhesion, as well as excellent electrolyte resistance even when used for packaging materials for lithium ion batteries is provided, which contains an organic solvent, a polyolefin (A) that has an acidic group and/or an acid anhydride group and is soluble in the organic solvent, and an isocyanate compound, wherein the isocyanate compound comprises (B) a diisocyanate compound having a C4-7 hydrocarbon group and/or a derivative thereof, and (C) a diisocyanate compound having a C8-14 hydrocarbon group and/or a derivative thereof; and a heat-fusible member using the adhesive composition is also provided. 2. The adhesive composition according to claim 1 , wherein the diisocyanate compound having a hydrocarbon group with 4 to 7 carbon atoms is hexamethylene diisocyanate.3. The adhesive composition according to claim 1 , wherein the diisocyanate compound having a hydrocarbon group with 8 to 14 carbon atoms is a diisocyanate compound having at least one secondary isocyanate group.4. The adhesive composition according to claim 1 , herein the diisocyanate compound having a hydrocarbon group with 8 to 14 carbon atoms is isophorone diisocyanate.5. The adhesive composition according to claim 1 , wherein the derivative of the diisocyanate compound having a hydrocarbon group with 4 to 7 carbon atoms and/or the derivative of the diisocyanate compound having a hydrocarbon group with 8 to 14 carbon atoms comprise at least one bond selected from the group consisting of an isocyanurate bond claim 1 , a biuret bond claim 1 , a urethane bond and an allophanate bond.6. The adhesive composition according to claim 1 , wherein the component (A) is a polyolefin graft-modified with an acidic group-containing monomer and/or an acid anhydride group-containing monomer claim 1 , and an graft amount thereof is 0.10 to 30 wt %.7. The adhesive composition according to claim 1 , wherein the ...

FIELD JOINT COATING MATERIAL AND A PROCESS FOR MAKING A FIELD JOINT

The invention relates to a field joint coating material based on a fast curable olefin liquid formulation and a process of making a field joint wherein this coating material is used. 110-. (canceled)11. A process of making a field joint comprising the following steps:(i) abrading or sand blasting a bare metal surface of a steel pipe;(ii-1) applying a corrosion protective layer consisting of an epoxy primer, an epoxy phenol primer, or a fusion bonded epoxy on the bare metal surface, then applying an adhesive layer of a first olefin type adhesive on the corrosion protective layer, wherein the first olefin type adhesive is a modified linear low-density polyethylene resin or a modified polypropylene resin, having from 0.2% to 10% by mass of a maleic anhydride graft content, or(ii-2) applying an adhesive layer of a second olefin type adhesive on the bare metal surface, wherein the second olefin type adhesive is a modified linear low-density polyethylene resin or modified polypropylene resin, having more than 4% by mass of a maleic anhydride graft content;(iii) abrading and cleaning end cuts of factory applied parent coating resins;(iv) placing a mould around the steel pipe in an area of the field joint to define a cavity between an internal surface of the mould and the field joint;(v) injecting a field joint coating material based on a curable olefin liquid formulation in the cavity;wherein the field joint coating material comprises:(a) at least one olefin monomer or at least one oligomer able to undergo polymerization and optionally crosslinking, and(b) one catalytic system able to activate the polymerization and optionally the crosslinking of the at least one olefin monomer or the at least one oligomer.12. The process according to wherein olefin monomer is a norbornene-type cycloolefin monomer.13. The process according to claim 11 , wherein the catalytic system is adapted to activate ring opening metathesis polymerization of a norbornene-type cycloolefin monomer.14. ...

CROSS-COPOLYMER AND METHOD FOR PRODUCING SAME

The purpose of the present invention is to provide: a cross-copolymer in which a residual catalyst component remains in a reduced amount and which has improved transparency, applicability to medical materials and yellowish discoloration resistance; and a method for producing the cross-copolymer. According to the present invention, a cross-copolymer is provided, wherein the cross-copolymer is produced through a coordination polymerization step of carrying out copolymerization of an olefin monomer, an aromatic vinyl compound monomer and an aromatic polyene using a single-site coordination polymerization catalyst to synthesize an olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and a subsequent anionic polymerization step of carrying out polymerization in the co-presence of the olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and an aromatic vinyl compound monomer using an anionic polymerization initiator, the cross-copolymer being characterized in that the total mass of aluminum and lithium, which are residual catalyst components, contained in the cross-copolymer is 200 ppm or less. 1. A cross-copolymer which is produced through a coordination polymerization step of carrying out copolymerization of an olefin monomer , an aromatic vinyl compound monomer and an aromatic polyene using a single-site coordination polymerization catalyst to synthesize an olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and a subsequent anionic polymerization step of carrying out polymerization in a co-presence of the olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and an aromatic vinyl compound monomer using an anionic polymerization initiator ,wherein a total mass of aluminum and lithium, which are residual catalyst components, contained in the cross-copolymer is 200 ppm or less.2. The cross-copolymer according to claim 1 , wherein all the following conditions (1) to (4) are met:(1) in the coordination polymerization step, the single ...

ADHESIVES COMPRISING GRAFTED ISOBUTYLENE COPOLYMER

An adhesive composition is described comprising a tackifier and at least one grafted isobutylene copolymer. The grafted isobutylene copolymer has the formula: R—(R—Z) wherein Rrepresents an isobutylene copolymer, Ris a covalent bond or multivalent alkylene or arylene, and Z is a grafted polymer. Z is typically a homopolymer of copolymer comprising alkene repeat units, aralkylene repeat units, or a combination thereof. Also described are adhesive coated articles, methods of making adhesive coated articles, and grafted isobutylene polymers. 1. An adhesive composition comprising a tackifier and at least one grafted isobutylene copolymer having the formula:{'br': None, 'sup': 1', '2, 'R—(R—Z)'}{'sup': 1', '2, 'where Rrepresents an isobutylene copolymer having at least 20 repeat units, Ris a covalent bond or multivalent alkylene or arylene, and'}Z is a grafted polymer.2. The adhesive of wherein Z comprises alkene repeat units claim 1 , aralkylene repeat units claim 1 , or a combination thereof.3. The adhesive composition of wherein Z is a grafted homopolymer.4. The adhesive composition of wherein Z is a grafted copolymer.5. The adhesive composition of wherein Z comprises aralkylene repeat units and Z physically crosslinks.6. The adhesive composition of wherein Z comprises alkene repeat units and unsaturations of the alkene repeat units crosslink the grafted polymer.7. The adhesive composition of wherein the alkene repeat units of Z are derived from C-Calkene monomers comprising at least two carbon-carbon double bonds.8. The adhesive composition of wherein the isobutylene copolymer claim 1 , R claim 1 , comprises unsaturated comonomer repeat units.9. The adhesive composition of wherein the unsaturated comonomer repeat units are selected from butene claim 8 , pentene claim 8 , repeat units comprising pendent styrene claim 8 , or a combination thereof.10. The adhesive composition of wherein 0.01 to 40 wt.-% of the comonomer repeat units comprise the grafted polymer Z.12. ...

COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF

A method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). A grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer.

Resin composition, pellet, composite molded article, method for manufacturing composite molded article and tank

To provide a resin composition, a pellet, a composite molded article, a method for manufacturing a composite molded article and a tank, all capable of enabling tight joining and integration of the polyacetal resin molded article and the polyethylene resin molded article, and of suppressing formaldehyde emission and occurrence of mold deposit. The resin composition contains a resin ingredient and melamine, the resin ingredient containing a polyacetal resin and a maleic anhydride-modified polyethylene resin, the polyacetal resin and the maleic anhydride-modified polyethylene resin following a mass proportion of (20 to 49):(80 to 51), and molar concentration of the maleic anhydride group capable of reacting with amino group of melamine contained in the resin composition being 5 to 25 μmol/g.

FUNCTIONALIZED ETHYLENE/ALPHA-OLEFININTERPOLYMERS WITH HIGH GRAFT LEVELS

A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain≥1.80, and B) melt viscosity (at 177° C.)≤50,000 mPa·s. 1. A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties:A) number of grafts per polymer chain≥1.80, andB) melt viscosity (at 177° C.)≤50,000 mPa·s.2. The composition of claim 1 , wherein the acid and/or anhydride grafted ethylene/alpha-olefin interpolymer is an acid and/or anhydride grafted ethylene/alpha-olefin copolymer.3. The composition of claim 1 , wherein the acid and/or anhydride grafted ethylene/alpha-olefin interpolymer has a density from 0.855 to 0.900 g/cc.4. The composition of claim 1 , wherein the acid and/or anhydride grafted ethylene/alpha-olefin interpolymer has a melt viscosity (177° C.) from 5 claim 1 ,000 to 30 claim 1 ,000 mPa·s.5. The composition of claim 1 , wherein the acid and/or anhydride grafted ethylene/alpha-olefin interpolymer is a maleic anhydride grafted ethylene/alpha-olefin interpolymer.6. The composition of claim 1 , wherein the acid and/or anhydride grafted ethylene/alpha-olefin interpolymer is present in an amount from 5 wt % to 60 wt % based on the weight of the composition.7. The composition of claim 1 , further comprising a tackifier and a wax.8. The composition of claim 1 , wherein the composition has a Heat Stress≥40° C. when bonded to a UV varnished substrate or a dense corrugated cardboard.9. The composition of claim 1 , wherein the composition has a Fiber Tear≥80% claim 1 , in the range from −20° C. to 60° C. claim 1 , when bonded to a UV varnished substrate or a dense corrugated cardboard.10. An article comprising at least one component formed from the composition of . The demand for surface treated and coated packaging has increased. Surface treated and coated cardboards have become more common in the packaging industry ...

Adhesive composition

The present invention relates to an adhesive composition and an organic electronic device comprising the same, and provides an adhesive composition which can form a encapsulating structure capable of effectively blocking moisture or oxygen introduced from the outside into the organic electronic device, thereby securing the lifetime of the organic electronic device, and can improve processability by being easily applied in the process of forming the encapsulating structure of the organic electronic device, thereby preventing problems that air bubbles flow into the inside of the encapsulating structure or application nozzles are clogged, and an organic electronic device comprising the same.

ADHESIVE RESIN LAMINATE, LAMINATE, AND METHOD OF PRODUCING SAME

Provided are an adhesive resin laminate having an excellent adhesive force to two adherends, a laminate in which this adhesive resin laminate is laminated with two adherends, and a method of producing them. An adhesive resin laminate having at least a first adhesive layer and a second adhesive layer, in which the first adhesive layer includes a base resin and a crosslinking agent, the base resin is a modified polyolefin resin, the crosslinking agent is an epoxy-based compound, the second adhesive layer includes a polyolefin-based resin, and the first adhesive layer has a viscoelastic modulus measurement value E (150) at 150° C. of 1.0×10Pa or more and 1.0×10Pa or less. 1. A method of producing an adhesive resin laminate having at least a first adhesive layer and a second adhesive layer ,{'sup': 4', '8, 'wherein said first adhesive layer comprises a base resin and a crosslinking agent, said base resin is a modified polyolefin resin and said crosslinking agent is an epoxy-based compound, said second adhesive layer comprises a polyolefin-based resin, and said first adhesive layer has a viscoelastic modulus measurement value E (150) at 150° C. of 1.0×10Pa or more and 1.0×10Pa or less,'}the method comprising:(1) a step of dissolving said modified polyolefin resin and said epoxy-based compound in a solvent to produce a coating liquid;(2) a step of coating said coating liquid on a substrate film and drying the coating liquid to produce said first adhesive layer;(3) a step of obtaining said second adhesive layer having a film shape by extrusion molding;(4) a step of laminating said first adhesive layer on said substrate film and said second adhesive layer; and(5) a step of peeling said substrate film to obtain said adhesive resin laminate, in this order.2. A method of producing a laminate comprising an adhesive resin laminate having at least a first adhesive layer and a second adhesive layer; and first and second adherends , said adhesive resin laminate and said first and ...

Adhesive for Binding Polyolefin Membrane to Glass Fibers

A composition comprising, in weight percent (wt %) based on the weight of the composition: (A) greater than zero to 39 wt % of at least one of a polar olefin polymer and a styrenic block copolymer; (B) greater than zero to 20 wt % of an epoxy or amine-functionalized silane; (C) 60 to 99 wt % of an organic solvent for a mixture of (1) the polar olefin polymer and/or styrenic block copolymer, and (2) the epoxy or amine-functionalized silane; and (D) zero to 10 wt % of a polyisocyanate crosslinking agent. 1. A composition comprising , in weight percent (wt %) based on the weight of the composition:(A) greater than zero to 39 wt % of at least one of a polar olefin polymer and a styrenic block copolymer;(B) greater than zero to 20 wt % of an epoxy or amine-functionalized silane;(C) 60 to 99 wt % of an organic solvent for a mixture of (1) the polar olefin polymer and/or styrenic block copolymer, and (2) the epoxy or amine-functionalized silane; and(D) zero to 10 wt % of a polyisocyanate crosslinking agent.2. The composition of in which the polar olefin polymer is a polyolefin copolymer.3. The composition of in which the polyolefin copolymer comprises a maleic anhydride graft.4. The composition of in which the styrenic block copolymer is a copolymer of styrene/ethylene/butylene/styrene (SEBS).5. The composition of in which the SEBS copolymer comprises a maleic anhydride graft.6. The composition of in which the organic solvent is a mixture of methylcyclohexane and cyclohexanone.7. The composition of in which the polyisocyanate crosslinking agent comprises at least one of (i) a solution of tris(p-isocyanatophenyl) thiophosphate in ethyl acetate claim 1 , (ii) a hexamethylene diisocyanate (HDI) based isocyanate claim 1 , (iii) an isophorone diisocyanate (IPDI) claim 1 , and (iv) a methylene diphenyldiisocyanate (MDI) or toluene diisocyanate (TDI) based isocyanate.8. A multilayer structure comprising:(a) A fabric layer comprising a polar yarn;(b) A membrane layer comprising a ...

PHOTOCURABLE RESIN COMPOSITION, FUEL CELL, AND SEALING METHOD

The present invention has an object to provide a photocurable resin composition which exhibits excellent surface curability and deep section curability when irradiated with active energy rays such as ultraviolet rays while maintaining sealability. Specifically, provided is a photocurable resin composition containing the following (A) to (C) ingredients: (A) ingredient: a polymer having a polyisobutylene backbone containing a —[CHC(CH)]— unit, the polymer having one or more (meth)acryloyl groups; (B) ingredient: a photo-radical polymerization initiator; and (C) ingredient: a triarylphosphine derivative or a xanthone derivative. 1. A photocurable resin composition comprising the following (A) to (C) ingredients:{'sub': 2', '3', '2, '(A) ingredient: a polymer having a polyisobutylene backbone containing a —[CHC(CH)]— unit, the polymer having one or more (meth)acryloyl groups;'}(B) ingredient: a photo-radical polymerization initiator; and(C) ingredient: triarylphosphine, a triarylphosphine derivative, xanthone, or a xanthone derivative.3. The photocurable resin composition according to claim 1 , further comprising a (meth)acrylate monomer as (D) ingredient.4. The photocurable resin composition according to claim 3 , wherein the (D) ingredient is a (meth)acrylate monomer containing an alkyl group having 5 to 30 carbon atoms or an alicyclic group having 5 to 30 carbon atoms.5. The photocurable resin composition according to claim 1 , wherein a content of the (C) ingredient is 0.1 to 30 parts by mass relative to 100 parts by mass of the (A) ingredient.6. A photocurable sealing agent for a fuel cell claim 1 , the sealing agent comprising the photocurable resin composition according to .7. The sealing agent according to claim 6 , wherein the photocurable sealing agent for a fuel cell is a photocurable sealing agent for a fuel cell to be applied to a periphery of any member selected from the group consisting of a separator claim 6 , a frame claim 6 , an electrolyte claim 6 , ...

COATING COMPOSITIONS AND PROCESSES FOR MAKING THE SAME

The present invention relates to coating compositions, processes for making them, and methods of application of the coating compositions. Further, the present invention relates to a process and apparatus for coating a metal substrate, for example an elongated metal tubular substrate such as a pipe. Most particularly, the coating can be used as an anti-corrosion coating on a pipe for use in oil, gas and water pipeline applications. 1. A method for coating an elongate metallic tubular article having an exterior surface and an interior surface , comprising , in-line:(a) heating the elongate metallic tubular article;(b) powder coating the elongate metallic tubular article with a fusion bonded epoxy to form a fusion bonded epoxy coated article;(c) before the fusion bonded epoxy has fully set, applying onto the fusion bonded epoxy coated article a reactive polyolefin composition to form a first reactive polyolefin coating, preferably by powder coating or extrusion;(d) optionally applying a reinforcing mesh tape to the first reactive polyolefin coating, optionally before the first reactive polyolefin coating has set;(e) optionally, before the first reactive polyolefin coating has set, extruding a second reactive polyolefin coating onto the first reactive polyolefin coating;(f) optionally subjecting the resultant polyolefin coating to a source of energy, thereby partially or fully cross-linking said polyolefin coating, transforming said polyolefin coating into a cross-linked polyolefin coating; and(g) rapidly cooling said cross-linked polyolefin coating.28.-. (canceled)9. The method of wherein the first reactive polyolefin coating comprises: polyolefin claim 1 , preferably 93-94% polyethylene by weight; antioxidant claim 1 , preferably 0.2-0.5% antioxidant by weight; adhesive claim 1 , preferably 3-4% adhesive by weight; Wollastonite claim 1 , preferably-0.5-1.0% Wollastonite by weight; solid epoxy claim 1 , preferably 0.5-1.0% solid epoxy by weight; and optionally ...

Maleic Anhydride Grafted LLDPE Having High Melt Index

Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index. 1. A maleic anhydride grafted linear low-density polyethylene (MAH-g-LLDPE) , which:(a) has a maleic anhydride content of 0.5 to 1.5 weight percent, based on the total weight of the MAH-g-LLDPE;(b) has a melt index (MI) of 250 to 800 g/10 minutes measured according to ASTM D1238, Condition 190/2.16; and(c) is free of an added free radical initiator.2. The MAH-g-LLDPE according to claim 1 , wherein the linear low-density polyethylene (LLDPE) has a density of 0.890 to 0.930 g/cmbefore grafting.3. The MAH-g-LLDPE according to claim 1 , wherein the LLDPE has a density of 0.900 to 0.925 g/cmbefore grafting.4. The MAH-g-LLDPE according to claim 1 , wherein the LLDPE is a copolymer of ethylene and 1-butene claim 1 , 1-hexene claim 1 , 1-octene claim 1 , or mixtures thereof.5. The MAH-g-LLDPE according to claim 1 , wherein the LLDPE has an MI of 0.5 to 10 g/10 minutes before grafting.6. The MAH-g-LLDPE according to claim 1 , which has an MI of 300 to 800 g/10 minutes.7. A hot melt adhesive comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(a) the MAH-g-LLDPE according to ;'}(b) a tackifier resin; and(c) a wax.8. The hot melt adhesive according to claim 7 , wherein the LLDPE has a density of 0.890 to 0.930 g/cmbefore grafting.9. The hot melt adhesive according to claim 7 , wherein the LLDPE has a density of 0.900 to 0.925 g/cmbefore grafting.10. The hot melt adhesive according to claim 7 , wherein the MAH-g-LLDPE has an MI of 350 to 800 g/10 minutes.11. The hot melt adhesive according to claim 7 , which comprises from 0.5 to 90% by weight of the MAH-g-LLDPE claim 7 , based on the total weight of the hot melt adhesive.12. The hot melt adhesive according to claim 7 , which comprises from 30 to 90% by weight of the MAH-g-LLDPE claim 7 , based on the total weight of the hot ...

REACTIVE POLYOLEFIN HOT MELT ADHESIVE WITH LOW ADHESION TO UNCOATED ALUMINUM TOOLS AND USE THEREOF AS A LAMINATING HOT MELT

A hot melt adhesive composition is provided which contains at least one silane group-containing thermoplastic poly-α-olefin which is solid at 25° C. and at least one paraffin wax. The hot melt adhesive composition has only low adhesion to uncoated aluminum tool surfaces, wherein at the same time they have high final strengths and thermal stabilities comparable to conventional adhesives, as well as good resistance to environmental influences. The hot melt adhesive is suitable as a laminating adhesive for laminating films made of thermoplastic olefins, which have sufficient stability for subsequent deep-draw lamination. 1. A hot melt adhesive composition , comprising:a) at least one silane group-containing thermoplastic poly-α-olefin which is solid at 25° C., andb) at least one paraffin wax.2. The hot melt adhesive composition according to claim 1 , wherein the silane group-containing poly-α-olefin which is solid at 25° C. has a softening temperature from 70 to 150° C.3. The hot melt adhesive composition according to claim 1 , wherein the silane group-containing poly-α-olefin which is solid at 25° C. is a silane-grafted poly-α-olefin.4. The hot melt adhesive composition according to claim 1 , wherein the silane group-containing poly-α-olefin which is solid at 25° C. is a poly-α-olefin produced using a Ziegler-Natta catalyst claim 1 , to which silane groups have been grafted.5. The hot melt adhesive composition according to claim 1 , wherein the composition comprises at least two different silane group-containing solid poly-α-olefins.6. The hot melt adhesive composition according to claim 1 , wherein the composition contains at least 40% by weight claim 1 , relative to the hot melt adhesive composition claim 1 , of the at least one silane group-containing thermoplastic poly-α-olefin which is solid at 25° C.7. The hot melt adhesive composition according to claim 1 , wherein the paraffin wax has a melting or softening point in the range from 80 to 130° C.8. The hot melt ...

ADHESIVE AND METHOD OF BONDING TO RIGID SUBSTRATES

An adhesive and method for injection or compression bonding, where the adhesive is based on a grafted polypropylene resin and at least one of maleimide compound, phenolic resin, blocked isocyanate, functionalized silane, or an epoxy resin. 1. A method for bonding at least two substrates in an injection or compression molding process comprising:a) selecting a rigid substrate;b) selecting a liquid introduced substrate;c) providing a curable adhesive comprising a grafted polypropylene and at least one other resin material;d) coating the rigid substrate with the curable adhesive and allowing the curable adhesive to dry;e) inserting the coated rigid substrate into an injection or compression molding machine;f) inserting the liquid introduced substrate into the compression molding machine; and,g) heating the substrates and adhesive for a period of time and at a temperature sufficient to cure the adhesive and bond the liquid introduced substrate to the rigid substrate.2. The method of claim 1 , wherein the grafted polypropylene comprises a maleic anhydride grafted polypropylene.3. The method of claim 1 , wherein the at least one other resin material comprises at least one of a benzoxazine resin claim 1 , maleimide compound claim 1 , phenolic resin claim 1 , blocked isocyanate claim 1 , functionalized silane claim 1 , or an epoxy resin.4. The method of claim 3 , wherein the benzoxazine comprises a bisphenol-based or diamine-based benzoxazine.5. The method of claim 3 , wherein the epoxy resin comprises a bisphenol A based epoxy resin.6. The method of claim 5 , wherein the adhesive further comprises an imidazole catalyst.7. The method of claim 1 , wherein the at least one other resin material comprises a functional silane.8. The method of claim 1 , wherein the functional silane component comprises at least one of an amino claim 1 , polyamino claim 1 , amido claim 1 , aldehyde claim 1 , acrylate claim 1 , anhydride claim 1 , aromatic claim 1 , carboxylate claim 1 , isocyanato ...

Articles, Compositions, Systems, and Methods Using Selectively Detackified Adhesives

Adhesive compositions are described which can be selectively detackified or deadened. Articles using such adhesive compositions are also described. Also described are techniques in which select regions of adhesive layers in the articles are detackified. Also described are systems and methods using the various articles and adhesive compositions. And particular label constructions are described.

DIRECTLY ATTACHING, HALOGEN-FREE, FAST-DRYING, HEAT-SEALING BINDER FOR SEALING POLYESTER FILMS TO POLYSTYRENE, POLYESTER OR PVC

The present invention comprises a single-component binder for heat-sealing applications which can be used for the sealing of polyester foils, in particular of polyethylene terephthalate foils (PET foils) with respect to containers made of polystyrene, of PVC, and of polyester. These polyesters can in particular be polyethylene terephthalate (PET) or polylactic acid (PLA). The binders here feature not only good seal seam strengths but also in particular good transparency and excellent application properties. A substantive aspect of the invention is that the sealing can be achieved without addition of adhesion promoters, in particular without addition of adhesion promoters based on polyvinyl chloride (PVC) or on polyester, and that barrier properties and sealing properties achieved in respect of containers made of PS and of PET are nevertheless at least comparable with, and sometimes better than, those achieved with heat-sealing systems already marketed. 1: A heat-sealable coating system suitable for the sealing of a substrate , the coating system comprising a film-forming dispersion , wherein the dispersion comprisesfrom 10% to 60% by weight of a polyester or a polyester mixture as a polymer type A,from 10% to 60% by weight of a poly(meth)acrylate as a polymer type B,from 1% to 20% by weight of a graft copolymer comprising the polymer type A and the polymer type B as a polymer type AB,from 1% to 30% by weight of a polyolefin as a polymer type C, andfrom 1 to 35% by weight of a graft copolymer as a polymer type CD, comprising the polymer type C and a poly(meth)acrylate as a polymer type D,based on the total mass of the polymer types A, B, C, AB, and CD,wherein the total amount of the polymer type C, inclusive of the amount of the polymer type C comprising the polymer type CD, based on the total mass of the polymer types A, B, C, AB, and CD, is from 5 to 40% by weight,wherein from 10% to 40% of the carbon atoms of the main chain of the polymer type C are tertiary ...

Adhesive agent for application on a sanitary object

Agent for sanitary facilities that can be applied directly on the sanitary object, adheres, and is flushable only after a large number of flushes. The agent comprises fillers from the group of surfactants and a bonding agent, wherein the bonding agent is selected from the group of polyalkylene derivatives, hydrogentated polystyrol derivatives, copolymers from the group of monoalkyl esters of poly(methyl vinyl ether/carbonic acid anhydrides, olefin homopolymers, and copolymers of two or more olefins, wherein the olefin homopolymers and copolymers can also be partially hydrogenated, partially oxidized, or further functionalized by graft molecules, and from the group of polyalkyleneimines, including in alkoxylized form, polyetheramines (alkoxylized amines) and polyglycerin polyether alkyl carbonic acids, polymers or derivatives comprising said polymer groups. The viscosity of the agent is at least 30 Pa s, measured using a Haake viscometer, plate/plate system, plate diameter 10 mm, at a shear rate of 2.62 s − at 20° C.

ONE PART, FAST-SETTING, AQUEOUS ADHESIVE EMULSIONS

The present disclosure relates to acrylic adhesive emulsions comprising a core-shell polymeric component comprising an inner core and an outer shell containing at least one pendent functional group; a polyfunctional component capable of reacting with at least one of the pendent functional groups on the outer shell; wherein the inner core is free of functional groups reactive with the pendent functional groups on the outer shell; and wherein the pH of the emulsion is 6.5 or less; and wherein the emulsion is a fast-setting, one part, aqueous, adhesive. Bonded articles made therefrom, and methods of bonding articles using these emulsions are also disclosed.

MODIFIED PROPYLENE-(a-OLEFIN) COPOLYMER, METHOD FOR PRODUCING SAME, COATING MATERIAL COMPRISING SAME, RESIN COMPOSITION FOR MOLDING USE, AND HOT-MELT COMPOSITION

The purpose of the present invention is to provide a polar-group-containing propylene-type wax having excellent properties including a low melting point. A modified propylene-(α-olefin) copolymer (A) according to the present invention is produced by grafting at least one compound selected from an unsaturated carboxylic acid, a derivative of the unsaturated carboxylic acid and an unsaturated sulfonic acid salt onto a propylene-(α-olefin) copolymer (A) and has an acid value of 1 to 100 KOHmg/g, wherein the propylene-(α-olefin) copolymer (A) comprises 60 to 95 mol % of a propylene-derived constituent unit (a) and 5 to 40 mol % of a constituent unit (b) derived from an α-olefin having 4 or more carbon atoms, and satisfies the specific requirements (i) to (iii). 1. A modified propylene-α-olefin copolymer (A) having an acid value of 0.5 to 100 KOHmg/g obtained by grafting at least one selected from unsaturated carboxylic acids and derivatives thereof and unsaturated sulfonic acids and salts thereof onto a propylene-α-olefin copolymer (A1) , the propylene-α-olefin copolymer (A1) containing 60 to 95 mol % of a propylene-derived constitutional unit (a) and 5 to 40 mol % of a C α-olefin-derived constitutional unit (b) , wherein a total amount of the constitutional unit (a) and the constitutional unit (b) is 100 mol % , and satisfying all of requirements below (i) to (iv):(i) a weight average molecular weight (Mw) measured by GPC of 3,000 to 40,000;(ii) a melting point (Tm) measured by DSC of 60 to 110° C.;(iii) a half width of a crystalline melting point peak measured by the DSC of 1 to 20° C.; and{'sup': '1', '(iv) a number of vinylidene groups per 1,000 carbon atoms measured by H-NMR of 0.5 to 5.'}2. The modified propylene-α-olefin copolymer (A) according to claim 1 , wherein the propylene-α-olefin copolymer (A1) is obtained by thermally decomposing a propylene-C α-olefin copolymer (A2).3. The modified propylene-α-olefin copolymer (A) according to claim 2 , wherein the ...

Method of incorporating ethylene copolymers into latex

Provided is a method for preparing a latex composition, comprising providing an ethylene copolymer comprising copolymerized units of ethylene and copolymerized units of at least one polar comonomer; dissolving the ethylene copolymer with one or more latex monomers to prepare a solution; mixing the solution with water; optionally adding a surfactant or protectant colloid to form an aqueous emulsion; and polymerizing the latex monomer in the emulsion to form a latex composition comprising the ethylene copolymer and a latex polymer. Further provided are the emulsion polymerization product and the mini-emulsion polymerization product of at least one ethylene copolymer substantially dissolved in at least one latex monomer, such as an acrylic, styrene or vinyl monomer. Finally, formulated products comprising or produced from the emulsion or mini-emulsion polymerization product and articles comprising or produced from the formulated products are provided.

RESIN COMPOSITION AND USES THEREOF

Provided is a resin composition having a large proportion of polyolefin components, allowing preparation of a solution having a high solid content, having a good solution property after long-term storage, having good pigment dispersibility, and including a modified product of component (A): polyolefin resin with component (B): (meth)acrylic acid and/or (meth)acrylic acid ester, in which the weight ratio of the component (A) to the component (B) ((A)/(B)) is 90/10 to 30/70, and the component (B) contains 20% by weight or more of component (B1): an alkoxy (poly)alkylene glycol mono(meth)acrylic acid ester. 1. A resin composition , comprising a modified product of component (A): polyolefin resin with component (B): (meth)acrylic acid and/or (meth)acrylic acid ester , whereina weight ratio of the component (A) to the component (B) ((A)/(B)) is from 90/10 to 30/70, and {'br': None, 'sub': 2', '2', '2', 'n, 'sup': 1', '2, 'CH═C(R)COO—(CH—CH—O—)—R\u2003\u2003(I)'}, 'the component (B) comprises 20% by weight or more of component (B1): an alkoxy (poly)alkylene glycol mono(meth)acrylic acid ester of formula (I){'sup': 1', '2, 'wherein Rrepresents a hydrogen atom or a methyl group, Rrepresents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 1 to 18, and'}{'sup': '2', 'Ris a hydrogen atom, n is an integer of 2 or more.'}2. The resin composition according to claim 1 , wherein the resin composition has a weight average molecular weight of from 10 claim 1 ,000 to 200 claim 1 ,000.3. The resin composition according to claim 1 , wherein the component (A) is an acid-modified polyolefin resin.4. The resin composition according to claim 1 , wherein the component (A) is a chlorinated polyolefin resin or acid-modified chlorinated polyolefin resin.5. The resin composition according to claim 1 , further comprising an organic solvent.6. A primer coating material claim 1 , comprising the resin composition according to .7. A binder claim 1 , ...

MULTI-PHASE POLYMER COMPOSITION

Multi-phase polymer composition comprising a comb polymer (A) which forms a continuous acrylate phase and a discontinuous hydrocarbon phase, and at least one hydrocarbon compound (B) which is soluble in the hydrocarbon phase of the comb polymer (A), an adhesive mass comprising the multi-phase polymer composition. 1. A multiphase polymer composition comprising30-64 parts by weight of a comb-type graft copolymer (A) which is obtainable by polymerizing a comonomer mixture in the presence of at least one macromer selected from the group consisting of polymerizable ethylene-butylene, ethylene-propylene, ethylene-butylene-propylene and isobutylene macromers, and which forms a continuous acrylate phase and a discontinuous hydrocarbon phase Kw; and36-70 parts by weight of at least two hydrocarbon compounds (B-1) and (B-2) soluble in said hydrocarbon phase Kw of said comb-type graft copolymer (A);wherein the comonomer mixture comprises: 2-7 weight percent, based on the combined weight of the comonomer mixture and of the at least one macromer, of at least one comonomer selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, itaconic anhydride, maleic acid, maleic anhydride and further monomers whose homopolymers have a static glass transition temperature (Tg), as measured by the DSC method, of more than 40° C.; and 43-97 weight percent, based on the combined weight of the comonomer mixture and of the at least one macromer, of at least two (meth)acrylate comonomers selected from the group consisting of monomers whose homopolymers have a static glass transition temperature (Tg), as measured by the DSC method of 40° C. or less; andwherein the at least two hydrocarbon compounds comprise a hydrocarbon resin (B-1) having a softening point of at least 70° C. and a hydrocarbon resin (B-2) having a softening point of at most 20° C.2. The polymer composition as claimed in claim 1 , wherein said comb-type graft copolymer (A) is obtainable via polymerization ...

ADHESIVE COMPOSITIONS CONTAINING MODIFIED ETHYLENE-BASED POLYMERS AND COMPATIBLE TACKIFIERS

The invention provides a composition comprising the following components: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177 C) less than, or equal to, 50,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) a tackifier selected from the following: a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20 C, b) a rosin ester tackifier with an acid number of less than 25, c) a terpene tackifier, or d) a combination thereof. 1. A composition comprising the following components: i) a melt viscosity (177° C.) less than, or equal to, 50,000 cP,', 'ii) a density from 0.855 to 0.900 g/cc;, 'A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20° C.,', 'b) a rosin ester tackifier with an acid number of less than 25,', 'c) a terpene tackifier, or', 'd) a combination thereof., 'B) a tackifier selected from the following2. The composition of claim 1 , wherein the tackifier is selected from the following:a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20° C.,b) a rosin ester tackifier with an acid number of less than 25, ord) a combination thereof.3. The composition of claim 1 , wherein the tackifier is selected from the following:a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20° C.,c) a terpene tackifier, ord) a combination thereof.4. The composition of claim 1 , wherein the tackifier is selected from the following:b) a rosin ester tackifier with an acid number of less than 25,c) a terpene tackifier, ord) a combination thereof.5. The composition of claim 1 , wherein the tackifier is selected from the following: a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater ...

ADHESIVE COMPOSITION FOR OPTICAL USE, METHOD FOR PREPARING ADHESIVE COMPOSITION FOR OPTICAL USE, AND ADHESIVE FILM FOR OPTICAL USE

The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices. 1. An adhesive composition for optical use , comprising:an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof;a photoinitiator; anda tackifier.2. The adhesive composition of claim 1 , wherein a content of an isoprene unit of the isobutylene-isoprene rubber is 1 mol % or more and 30 mol % or less based on a total mole number of an isobutylene unit and an isoprene unit.3. The adhesive composition of claim 1 , wherein the acrylic acid ester-based functional group is grafted to the isoprene unit of the isobutylene-isoprene rubber.4. The adhesive composition of claim 1 , wherein the isobutylene-isoprene rubber having the acrylic acid ester-based functional group in the main chain thereof has a weight average molecular weight (Mw) of 100 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.5. The adhesive composition of claim 1 , wherein the acrylic acid ester-based functional group comprises one selected from a group consisting of an alkyl (meth) ...

Maleic Anhydride Grafted LLDPE Having High Melt Index

Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index.

Tile Containing Primer Coated Substrates with Good Adhesion

A tile comprising the following components: A) a first film formed from a first composition comprising the following: i) a functionalized olefin-based polymer comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride, and, optionally, c) an amino or an amine; and ii) a functionalized styrenic block copolymer, comprising, in polymerized form, styrene, and ethylene and/or at least one alpha-olefin, and comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride; and B) a substrate comprising at least one layer formed from a second composition comprising a propylene-based polymer; and wherein the first film covers at least one surface of the substrate. 1. A tile comprising the following components: i) a functionalized olefin-based polymer comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride, and, optionally, c) an amino or an amine; and', 'ii) a functionalized styrenic block copolymer, comprising, in polymerized form, styrene, and ethylene and/or at least one alpha-olefin, and comprising one or more chemical groups selected from the following: a) a carboxylic acid, and/or b) an anhydride; and, 'A) a first film formed from a first composition comprising the followingB) a substrate comprising at least one layer formed from a second composition comprising a propylene-based polymer; andwherein the first film covers at least one surface of the substrate.2. The tile of claim 1 , further comprising:C) a UV-curable urethane-acrylate top coat layer applied onto and in contact with the first film.3. The tile of claim 1 , wherein the functionalized olefin-based polymer is a functionalized ethylene-based polymer.4. The tile of claim 1 , wherein the functionalized olefin-based polymer is a functionalized ethylene/α-olefin interpolymer claim 1 , selected from the group consisting of the following: an anhydride- ...

CROSS-COPOLYMER AND METHOD FOR PRODUCING SAME

The purpose of the present invention is to provide: a cross-copolymer in which a residual catalyst component remains in a reduced amount and which has improved transparency, applicability to medical materials and yellowish discoloration resistance; and a method for producing the cross-copolymer. According to the present invention, a cross-copolymer is provided, wherein the cross-copolymer is produced through a coordination polymerization step of carrying out copolymerization of an olefin monomer, an aromatic vinyl compound monomer and an aromatic polyene using a single-site coordination polymerization catalyst to synthesize an olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and a subsequent anionic polymerization step of carrying out polymerization in the co-presence of the olefin-(aromatic vinyl compound)-(aromatic polyene) copolymer and an aromatic vinyl compound monomer using an anionic polymerization initiator, the cross-copolymer being characterized in that the total mass of aluminum and lithium, which are residual catalyst components, contained in the cross-copolymer is 200 ppm or less.

Encapsulant film

An encapsulant film and an optoelectronic device are provided. The encapsulant film having improved thermal resistance, and excellent adhesion, especially, long-term adhesive properties, to a front substrate and a back sheet can be provided. Also, the optoelectronic device capable of maintaining excellent workability and economic feasibility upon manufacture of the device without causing a negative influence on working environments and parts such as optoelectronic elements or wiring electrodes encapsulated by the encapsulant film can be provided.

Functionalized propylene copolymer adhesive composition

This invention relates to an adhesive composition comprising a functionalized random propylene polymer (FRPP) having at least 0.1 wt % of a functional group, a heat of fusion of between 0.5 and 70 J/g, and an mm triad tacticity index of at least 75%, where the adhesive has a T-Peel adhesion on a polar substrate at 20° C. of at least 175 N/m (1 lb/in) and a T-Peel adhesion on a non-polar substrate at 20° C. of at least 175 N/m (1 lb/in) where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate. Methods to produce the adhesive and articles comprising the adhesive are also disclosed.

Adhesive ethylenic polymer resin composition and laminate produced from the composition

The invention provides an adhesive composition comprising a specific grafted long-chain branched ethylene-α-olefin copolymer and either a tackifier or a specific ethylene-vinyl acetate copolymer, wherein the density, MFR, crystallinity and graft ratio thereof lie respectively within specific ranges. Such a composition containing a tackifier can give a laminate keeping an excellent adhesive strength even in a high-temperature atmosphere together with polystyrene resin, ABS resin, polyacrylonitrile resin or saponified ethylene-vinyl acetate copolymer resin, while such a composition containing an ethylene-vinyl acetate copolymer can give such a laminate together with polyester resin, polycarbonate resin, polyvinylidene chloride resin or saponified ethylene-vinyl acetate copolymer resin. The invention also provides another adhesive composition comprising a grafted long-chain ethylene-α-olefin copolymer and an olefinic elastomer. This composition can provide a film layer excellent in adhesion to metals or highly polar materials.

Functionalized propylene copolymer adhesive composition

This invention relates to an adhesive composition comprising a functionalized random propylene polymer (FRPP) having at least 0.1 wt % of a functional group, a heat of fusion of between 0.5 and 70 J/g, and an mm triad tacticity index of at least 75%, where the adhesive has a T-Peel adhesion on a polar substrate at 20° C. of at least 175 N/m (1 lb/in) and a T-Peel adhesion on a non-polar substrate at 20° C. of at least 175 N/m (1 lb/in) where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate. Methods to produce the adhesive and articles comprising the adhesive are also disclosed.

改善的粘合剂聚合物组合物

本发明涉及一种粘合剂聚合物组合物，其包含a)乙烯聚合物、b)乙烯‑丙烯酸丁酯共聚物和c)添加剂，基于粘合剂聚合物组合物的总重量，其中基于粘合剂聚合物组合物的总重量，乙烯‑丙烯酸丁酯共聚物含有3.0至5.5重量％的量的衍生自丙烯酸丁酯的单元，并且乙烯聚合物或乙烯聚合物和乙烯‑丙烯酸丁酯共聚物被酸接枝剂接枝。

Method for improving the operability of an olefin polymerization reactor

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.

Method for improving the operability of an olefin polymerization reactor

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.

Sposób krakowania wstępnego

Thermoplastic vulcanizates with advantageous adhesion to polar substrates

A thermoplastic vulcanizate comprising (i) a dynamically-cured rubber, and (ii) a thermoplastic polymer component, where the thermoplastic polymer component includes (a) a propylene-α-olefin thermoplastic copolymer characterized by including at least 5% by weight up to 35% by weight units deriving from α-olefins, and having a heat of fusion, as determined by DSC, of less than 80 J/g, (b) and a functionalized thermoplastic polymer.

Adhesive and laminate prepared using the adhesive

It is an object of the invention to provide a carbodiimide modified polyolefin adhesive having excellent adhesive strength in a room temperature atmosphere and excellent adhesive strength in a high temperature atmosphere even in continuously molding with a practical molding machine. An adhesive (D), i.e., a carbodiimide modified polyolefin adhesive of the present invention which can solve the above problem is obtainable by allowing a polyolefin (A) having a group capable of reacting with a carbodiimide group to react with a carbodiimide group-containing compound (B) in the presence of an unmodified polyolefin (C) and having a ratio of a peak intensity at 2130 to 2140 cm −1 to a peak intensity at 1470 cm −1 , as determined by infrared absorbance analysis, of not more than 60% and a density of 0.870 g/cm 3 to 0.920 g/cm 3 . Furthermore, the use of the adhesive provides a laminate of a polar resin (F) and a polyolefin (G) having excellent interlaminar adhesive force both under a room temperature atmosphere and under a high temperature atmosphere.

Adhesive polymer composition

A novel adhesive composition suitable for composing and multilayered coatings onto large, industrial equipement such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing mouldings, especially rotomoulded articles.

Improved adhesive polymer composition

An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 to 95 % by weight, based on the adhesive polymer composition, has a weight average molecular weight Mw of from 50 000 to 80 000 g/mol, molecular weight distribution Mw/Mn of 2.0 to 5.5, density of from 0.925 to 0.945 g/cm 3 , and at most 0.1 vinyl groups/ 1000 carbon atoms. The non-elastomeric copolymer or the non-elastomeric copolymer and the elastomer have been grafted with an acid grafting agent.

Adhesive polymer composition

A novel adhesive composition suitable for composing multilayered coatings onto large, industrial equipment such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing moldings, especially rotomoulded articles.

Polyethylene composition

New rotomouldings having superior FNCT are devised, based on the polyethylene suitably used. Further a novel subrange of polyethylene, suitable for such use and having optimum moulding behaviour, is devised.

Adhesive polymer composition

A novel adhesive composition suitable for composing multilayered coatings onto large, industrial equipment such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing mouldings, especially rotomoulded articles.

Improved adhesive polymer composition

An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 to 95 % by weight, based on the adhesive polymer composition, has a weight average molecular weight Mw of from 50 000 to 80 000 g/mol, molecular weight distribution Mw/Mn of 2.0 to 5.5, density of from 0.925 to 0.945 g/cm3, and at most 0.1 vinyl groups/ 1000 carbon atoms. The non- elastomeric copolymer or the non-elastomeric copolymer and the elastomer have been grafted with an acid grafting agent.

Adhesive composition

The present invention relates to an adhesive composition comprising a. a polyethylene resin (A) which has been grafted with an acid grafting agent and b. an epoxy resin (B) in an amount of 0.01 to 15 wt.% of the adhesive total composition, wherein the adhesive composition is having a MFR 5 of 0.1 to 12 g/10 min. Furthermore, the invention relates to an article, in particular a multilayer pipe, comprising an adhesive layer which comprises said adhesive composition and the use of said adhesive composition for the production of an adhesive layer, in particular of an adhesive layer of a pipe.

Hot-melt adhesives with longer firing time

Hot melt adhesive composition comprises: at least one thermoplastic, at 25[deg] C solid silane grafted poly-alpha -olefin; and at least one soft resin with a melting point or softening point of -10[deg] C to 40[deg] C. Independent claims are included for: (1) a composite body comprising: a first substrate (S1), which is a polyolefin film, a foam or a fabric; the hot melt adhesive composition or crosslinked hot melt adhesive composition; and a second substrate (S2), where the composition or the crosslinked hot melt adhesive composition are arranged between the first substrate (S1) and second substrate (S2); and (2) a process for producing the composite body, comprising: (i) melting the composition; (ii) applying the molten composition on a polyolefin film (S1); heating the polyolefin film; and (iv) contacting the second substrate (S2) with the molten hot melt adhesive composition.

Blend functionalized polyolefin adhesive

Disclosed herein is an adhesive composition comprising a blend functionalized with a functional group, wherein the blend comprises a C3 to C40 olefin polymer and an additive, the C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the C3 to C40 olefin polymer has: a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of 10,000 to 100,000; and a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000. A process of producing the adhesive composition, as well as methods of utilizing the adhesive composition are also disclosed.

Adhesive compositions containing modified ethylene-based polymers and compatible tackifiers

The invention provides a composition comprising the following components: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177C) less than, or equal to, 50,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) a tackifier selected from the following: a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20C, b) a rosin ester tackifier with an acid number of less than 25, c) a terpene tackifier, or d) a combination thereof.

Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides

This invention relates to an adhesive composition comprising a copolymer comprising units derived from one or more macromonomers and an unsaturated acid or an unsaturated anhydride wherein the weight average molecular weight of the copolymer is at least twice the weight average molecular weight of the macromonomer, the melt index of the copolymer is 1 dg/min or more, and wherein the macromonomer: (1) has a weight average molecular weight between 500 and 100,000; (2) has at least 30% terminal unsaturation; and (3) comprises a copolymer of ethylene and at least one α-olefin, and/or a copolymer of propylene and ethylene or an α-olefin.

Plasticized functionalized propylene copolymer adhesive composition

This invention relates to an adhesive composition comprising: a random propylene polymer component having a heat of fusion of between 1 and 70 J/g and an mm triad tacticity index of at least 75%; and a functionalized polymer component comprising a C2-C20 olefin comprising at least 0.1 wt% of a functional group; wherein the adhesive composition has a T-Peel adhesion on a polar substrate at 2O0C of at least 175 N/m (1 lb/in) and a T-Peel adhesion on a non- polar substrate at 200C of at least 175 N/m Pa (1 lb/in) and where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate, wherein functionalized syndiotactic rich polyolefm polymer is present at 5 wt% or less, based upon the weight of the composition. This invention further relates to methods to produce the adhesive and articles comprising the adhesive.

에틸렌·α-올레핀 공중합체 조성물 및 그 용도

본 발명의 목적은, 처짐 방지성, 안료 분산성, 내균열성 등이 개량된 조성물을 얻는 것에 있고, 본 발명은, 하기 요건(a-1)∼(a-3)을 만족시키는 에틸렌·α-올레핀 공중합체(A), 색재(D), 수지(E) 및 유지(F)의 3종으로부터 선택되는 1종 이상, 및 용제(C)를 함유하는 것을 특징으로 하는 에틸렌·α-올레핀 공중합체 조성물에 관한 것이다. (a-1) 1 H-NMR로부터 측정되는 메틸기 지표가 40∼60%의 범위에 있다. (a-2) 겔 퍼미에이션 크로마토그래피(GPC)에 의해 구해지는 중량 평균 분자량(Mw)이 3,000∼30,000의 범위에 있다. (a-3) -100℃∼150℃의 온도 범위에 있어서, 시차 주사 열량 분석(DSC)으로 측정되는 융해 피크가 관측되지 않는다.

Systems, methods and compositions for production of tie-layer adhesives

A tie layer adhesive composition for multilayer structures, wherein the tie layer is composed of a graft polyolefin and a hybrid polyolefin.

Heteromorphic polymer compositions

The subject invention pertains to heteromorphic polymer compositions characterized as comprising: (a) a homogeneous linear or substantially linear ethylene/α-olefin interpolymer backbone; and (b) a branch appending from the backbone, which branch comprises an ethylene homopolymer or ethylene/α-olefin interpolymer having a density which is at least 0.004 g/cm 3 greater than that of the backbone. At least one of the backbone polymer or the branch polymer may be optionally functionalized to promote adhesion to polar surfaces. The heteromorphic polymer compositions of the invention exhibit enhanced upper service temperature. Also disclosed is a process for preparing the heteromorphic polymer compositions of the invention.

Hot Melt Adhesives

A hot melt adhesive based on a functionalized metallocene polyethylene copolymer finds use in packaging applications where high heat resistance, as well as good cold tolerance, is required.

Copolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels

A copolymer comprising units of an unsaturated dicarboxylic monomer and an ethylene α-olefin macromer is disclosed. The macromer is an unsaturated ethylene α-olefin polymer comprising units of from ethylene and at least one α-olefin represented by the formula CH 2 ═CHR a , wherein R a is a C 1 to C 18 linear alkyl group or a C 3 to C 18 branched alkyl group; the ethylene α-olefin polymer has a number average molecular weight of from about 500 to about 100,000; and at least about 30% of the unsaturation in the ethylene α-olefin polymer is terminal vinylidene. The copolymer has a carbon-carbon backbone and contains succinic groups and hydrocarbyl groups. The copolymer can be derivatized by reaction with nucleophilic reactants including monoamines, polyamines, monoalcohols, polyols, amino alcohols, reactant metal compounds and mixtures thereof. The derivatized copolymers can be post-treated (e.g., borated) with one or more post-treating agents (e.g., boric acid). The copolymer, its derivatives, and post-treated derivatives are useful as additives (e.g., dispersants and viscosity index improvers) in fuels and in lubricating oils.

树脂分散体、涂料、层积体及其制造方法

本发明提供一种树脂的水分散体，其分散粒径细小，稳定，抑制了渗出，作为针对聚烯烃系基材的表面处理剂、粘结剂或者涂料等是有用的。本发明涉及树脂分散体以及使用了该树脂分散体的涂料、层积体，所述树脂分散体是在丙烯-α-烯烃共聚物(A)上结合有亲水性高分子(B)或者结合有酸性基团的聚合物(C)以50％粒径为0.5μm以下分散在水中得到的树脂分散体，所述丙烯-α-烯烃共聚物(A)是丙烯与丙烯以外的α-烯烃的共聚物，其中，所述共聚物(A)中丙烯含量为50摩尔％以上且小于100摩尔％，并且共聚物(A)的重均分子量Mw为10000以上、分子量分布Mw/Mn为3.5以下，相对于100重量份聚合物(C)，树脂分散体的表面活性剂的含量为15重量份以下。

Adhesive compositions containing modified ethylene-based polymers and compatible tackifiers

The invention provides a composition comprising the following components: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177C) less than, or equal to, 50,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) a tackifier selected from the following: a) a hydrocarbon tackifier that has a cloud point (DACP) temperature greater than, or equal to, 20C, b) a rosin ester tackifier with an acid number of less than 25, c) a terpene tackifier, or d) a combination thereof.

Adhesives for fluoropolymer films and structures containing same

Adhesives useful for adhering fluoropolymers are provided. The adhesives are a blend of linear low density polyethylene, ethylene polymer plastomer, polyolefin elastomer and modified polyolefin having acid or acid derivative functionality. Composite fluoropolymer/adhesive structures are also provided.

Adhesive blend powders

Powders of multi-component adhesive blends are provided. The powders are a blend of a polyolefin base resin component and acid or acid derivative functionalized polyolefin component with one or more optional components. The powders are produced by a dispersion process and have median particle sizes from 5 to 250 micrometers.

Microfine adhesive powders and process

Microfine powder adhesive blends are provided. The powders are comprised of a polyolefin base resin component and acid or acid derivative functionalized polyolefin component with one or more optional components. The microfine powders are produced from melt blended adhesive products using a dispersion process and have median particle sizes from 5 to 250 micrometers.

Process for producing multi-layer structures having improved metal adhesion

Extrusion and lamination processes are provided for producing multi-layer constructions wherein metal and polyolefin layers are bonded through a tie-layer comprising a base resin and two functionalized ethylene polymers.

Rheology-modified grafts and adhesive blends

Rheologically-modified functionalized polyolefins and tie-layer adhesive blends formulated therewith which exhibit improved adhesion in multi-layer barrier films are provided. Multi-layer barrier shrink films having improved adhesion are also disclosed.

Adhesives for fluoropolymer films and structures containing same

Adhesives useful for adhering fluoropolymers are provided. The adhesives are a blend of linear low density polyethylene, ethylene polymer plastomer, polyolefin elastomer and modified polyolefin having acid or acid derivative functionality. Composite fluoropolymer/adhesive structures are also provided.