Emulsionspolymerisation

ALLYLCARBAMAT ENTHALTENDE, WAESSRIGE VINYLESTERKLEBEMULSIONEN, SOWIE DEREN HERSTELLUNG UND VERWENDUNG

Durch Einwirkung von Luftfeuchtigkeit selbsthärtende Copolymere und Mischungen

Adhesive composition

A composition which forms an adhesive on mixing with water comprises a polyvinyl ester, a cellulose derivative, a cement and marble powder. The preferred composition comprises 0.1-2% methyl hydroxyethylcellulose, 2-20% polyvinyl acetate, 15-50% white Portland cement and 30-80% marble powder, by weight. 3 parts by weight of the above composition in powder form may be mixed with 1 to 1 1/4 parts of water to form an adhesive for ceramic or glass surfaces.

Manufacture of splinterless glass

... 349,283. Compound transparencies. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. May 13, 1930, No. 14721. Convention date, May 13, 1929. [Class 140.] Glass sheets are united by a layer of vinyl ester with or without a softening agent such as tributyl phosphate. Polyvinyl acetate, chloracetate, butyrate, &c., or vinyl chloracetate &c., or mixtures of these, may be used and applied either pulverized or in solution to the glass sheets at temperatures of 60-100‹ C. and united by gentle pressure. Specification 314,379, [Class 20 (iii), Doors &c.], is referred to.

Manufacture of splinterless glass

... 367,658. Compound glass. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. May 21, 1931, No. 15043. Convention date, May 21, 1930. Addition to 349,283. [Class 140.] Splinterless glass is made by interposing between sheets of glass layers of a mixture of a polymerization product of a compound containing the group CH2 = C#, for example polyvinyl esters such as polyvinyl acetate, polystyrene, and polyacrylic acid ester and a condensation product of maleic acid or its anhydride with unsaturated alcohols or their derivatives such as castor oil or with compounds for example polyhydric alcohols such as 1 : 3 butylene glycol, which yield unsaturated alcohols by splitting off water. Softening agents such as tributyl phosphate or aliphatic esters of phthalic acid may be added. The glass sheets are coated with a thin layer of the mixture in a soft or molten state or in solution in solvent such as acetone, alcohol, and benzene, superposed and hot pressed.

IMPROVED ADHÄSIV COMPOSITIONS FOR LAMINATES

DETENTION ADHESIVES FOR CARRIERS FROM SOFT PVC

FLOOR COVERING ADHESIVE ON BASIS OF WAESSRIGER POLYMER DISPERSIONS.

USE OF A DISPERSION FLOOR ADHESIVE

HYDROGENATED RESINS, FORMULATIONS OF ADHESIVE AND PROCEDURE FOR THE PRODUCTION OF RESINS

Building adhesive

PROCEDURE FOR THE REDUCTION OF THE ODOR EMISSION OF AQUEOUS VINYLAROMAT-1,3-DIEN-COPOLYMERISAT DISPERSIONS

USE OF IN WATER REDISPERGIERBAREN POLYMER POWDERS IN BUILDING ADHESIVE COMPOSITIONS

REDISPERGIERBARES DISPERSION POWDER

PROCEDURE FOR THE PRODUCTION OF INTERLACE-CASH BONDING AGENTS

FLOOR COVERING ADHESIVE BASED ON AQUEOUS POLYMER DISPERSIONS

Copolymers and blends which are self-curable under the action of atomospheric humidity

Agglomerates for the production of an aqueous binder system

High performance PVOH stabilised EVA adhesives

Laminating construction adhesive compositions with improved performance

AQUEOUS SYNTHETIC RESIN FORMULATIONS

O.Z. 0050/41620 Aqueous synthetic resin formulations essentially contain A) from 3 to 75% by weight of one or more synthetic resins which consist of a) from 50 to 99.85% by weight of one or more esters of .alpha.,.beta.-monoethylenically unsaturated carboxylic acids of 3 to 6 carbon atoms and alkanols of 1 to 18 carbon atoms or one or more vinyl esters of an aliphatic monocarboxylic acid of 2 to 8 carbon atoms or of a mixture of these monomers (monomer a), b) from 0.1 to 12% by weight of one or more .alpha.,.beta.monoethylenically unsaturated mono- or dibasic acids of 3 to 8 carbon atoms, of anhydrides thereof or of a mixture of these monomers (monomer b), c) from 0.05 to 10% by weight of one or more monoethylenically unsaturated monomers of 2 to 24 carbon atoms which are not an acetophenone or benzophenone derivative and have one or more aldehyde or keto groups or a mixture of both groups (monomer c), d) from 0 to 10% by weight of one or more monoethylenically unsaturated acetophenone ...

LAMINATING ADHESIVE COMPOSITION

A polymer emulsion includes from about 30 weight percent to about 70 weight percent solids dispersed in an aqueous medium. The solids of the emulsion include from about 10 weight percent to about 90 weight percent of a first polymer, said first polymer having first repeating units derived from a vinyl ester monomer and having a glass transition temperature of about - 40.degree.C to about 0.degree.C and from about 10 weight percent to about 90 weight percent a second polymer that includes first repeating units derived from a vinyl ester monomer and that has a glass transition temperature of about 5.degree.C to about 40.degree.C. An aqueous adhesive composition includes from about 30 weight percent to about 70 weight percent solids in an aqueous medium and the solids portion of the adhesive composition includes from about 15 weight percent to about 80 weight percent of the first polymer, from about 10 weight percent to about 60 weight percent the second polymer and from about 0.1 weight percent ...

CROSSLINKABLE DISPERSION POWDERS AS BINDERS FOR FIBRES

PRESSURE-SENSITIVE ADHESIVE TAPES FOR ELECTRONICS APPLICATIONS

There is provided a water-resistant, anti-static pressure-sensitive adhesive tape comprising a flexible substrate having opposing surfaces, at least one surface bearing thereon a removable, aziridine-crosslinked microparticulate adhesive comprised of microparticles comprising a polymer of monomers comprising at least one alkyl. (meth)acrylate or vinyl ester, said aziridine cross linking agent being present in an amount of from about 0.1 part to 2 parts per 100 part monomer, said microparticles having a surface bearing thereon an ionic conductive material formed from a polymer electrolyte base polymer selected from the group consisting of polyethylene oxide, polyphenylene oxide, polyphenylene sulfide, polyethylene sulfide, polyethyleneimine, polypropylene oxide, polybutylene oxide, polybutylene sulfide, and polybutylene imine, and at least one ionic salt selected from the group consisting of salts of alkali metals and salts of alkaline earth metals, wherein said microparticles have an average ...

WATER BORNE PRESSURE SENSITIVE ADHESIVE COMPOSITIONS DERIVED FROM COPOLYMERS OF HIGHER VINYL ESTERS

The present invention is directed to improved aqueous based pressure sensitive adhesive emulsion polymers. Conventional emulsion based pressure sensitive adhesives are comprised of a copolymer comprised of polymerized units of acrylic esters and ethylenically unsaturated monomers, the copolymer having a Tg of from -15 to -70.degree.C. The improvement in the aqueous based, emulsion polymerized pressur e sensitive adhesives resides in the incorporation of a vinyl C8-13 ester of a neo -acid into the copolymer present in the pressure sensitive adhesives. Such vinyl ester is f ormed from a mixture of propylene oligomers and such vinyl ester is represented by the chemical formula: C8-13H17-27C02GH=CH2 N:\RLB6P5499.apl ...

WOOD GLUE POWDER

A wood glue powder which is easily dispersible in water is provided having improved bond strength, thermal stability and rapid setting properties and is prepared by mixing aqueous dispersions, prepared by emulsion polymerization technique of: a) from 70 to 90% by weight of one or more vinyl ester homopolymers or Vinyl ester copolymers of vinyl esters of unbranched or branched alkylcarboxylic acids having 1 to 18 carbon atoms, with b) from 10 to 30% by weight of one or more fully hydrolyzed vinyl alcohol homopolymers or vinyl alcohol copolymers having a degree of hydrolysis of from 96 to 100 mol% and a Hoppler viscosity of from 2 to 15 mPa.s, measured in 4% strength aqueous solution, based in each case on the overall weight of the polymeric constituents a) and b), and if desired, with further additives and then spray drying the mixture.

TACKY MICROSPHERES PREPARED FROM VINYL ESTER MONOMERS

The invention provides tacky, polymeric, organic solvent-insoluble, elastomeric, pressure-sensitive adhesive microspheres prepared from vinyl ester monomers, to processes for their preparation, and to their use as pressure-sensitive adhesives.

DESICCANT DEPOSIT

An adhesive desiccant deposit comprising a hot melt adhesive and a desiccant dispersed within the hot melt adhesive. The hot melt adhesive has sufficient porosity to allow water molecules to pass into the hot melt adhesive and contact the desiccant. The hot melt adhesive may optionally contain an additive to increase the porosity of the hot melt adhesive. One particular application of the deposit involves an adhesive desiccant tape comprising a substrate, a first adhesive layer disposed on the bottom of the substrate, a removable liner disposed on the first adhesive layer on the side of the first adhesive layer away from the substrate, and an adhesive desiccant deposit disposed on the top of the substrate.

Verwendung einer Mischung aus Vinylester/Vinylphosphonsäureester-Copolymerisaten und Naturharzen und bzw. oder Kunstharzen als Haftkleber

Verfahren zum Verkleben von geformten Gebilden aus Polyolefinen

Procédé de collage du papier

Composition d'enduction à base de polymères vinyliques

Aqueous polymer dispersion and use thereof as ink anchorage primer

Compositions containing resin and of an olefin polymer, their employment for obtaining tight closings and products formed to leave of the aforesaid compositions

Safety glass

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

Aqueous polymer dispersions and polymer powders prepared therefrom by spray drying

Aqueous polymer dispersions containing, I as the disperse phase, a film-forming dispersion polymer and II in the aqueous phase, from 5 to 40% by weight, based on the total dry mass of I and II, of a completely or partially neutralized water-soluble copolymer of a) from 50 to 80 mol % of an olefinically unsaturated mono- or dicarboxylic acid, of an anhydride of these acids or of a mixture of these monomers, b) from 20 to 50 mol % of a C3-C12-alkene, of styrene or of a mixture of these monomers and c) from 0 to 10 mol % of further monomers which can be subjected to free radical polymerization, and the powders obtained by spray-drying these polymer dispersions are suitable as binders for water-resistant plastics renders and coatings and as adhesives or adhesive components.

Wood glue powder

PCT No. PCT/EP95/04829 Sec. 371 Date Jan. 22, 1997 Sec. 102(e) Date Jan. 22, 1997 PCT Filed Dec. 7, 1995 PCT Pub. No. WO96/17897 PCT Pub. Date Jun. 13, 1996A wood glue powder which is easily dispersible in water is provided having improved bond strength, thermal stability and rapid setting properties and is prepared by mixing aqueous dispersions, prepared by emulsion polymerization technique of: a) from 70 to 90% by weight of one or more vinyl ester homopolymers or vinyl ester copolymers of vinyl esters of unbranched or branched alkylcarboxylic acids having 1 to 18 carbon atoms, with b) from 10 to 30% by weight of one or more fully hydrolyzed vinyl alcohol homopolymers or vinyl alcohol copolymers having a degree of hydrolysis of from 96 to 100 mol % and a Hoppler viscosity of from 2 to 15 mPa.s, measured in 4% strength aqueous solution, based in each case on the overall weight of the polymeric constituents a) and b), and if desired, with further additives and then spray drying the mixture ...

Aqueous contact adhesion composition

Water-based contact adhesive preparation Contact adhesive preparation in the form of an aqueous dispersion (I), containing (a) a polymer with a Tg of -45 to 25 degrees C, (b) a water-dispersible polymer powder with a Tg of -25 to 90 degrees C based on at least one olefinic monomer and (c) a polyurethane (PUR) with a Tg of -50 to 10 degrees C. Also claimed is a process for the production of (I), by making a dispersion of (a), optionally adding a surfactant or dispersant, dispersing component (b) in the mixture, optionally adding a soft resin, adding component (c) in the form of a dispersion and optionally adding other ingredients.

CROSS-LINKABLE DISPERSION POWDER USEFUL AS BINDER FOR FIBERS

Cross-linkable, redispersible dispersion powders based on vinyl ester copolymers or (meth)acrylic acid ester copolymers are used as binders for dry-binding fibrous materials. The vinyl ester copolymers of one or several monomers from the group of the vinyl esters of branched or unbranched alkylcarboxylic acids with 1 to 15 C atoms, the (meth)acrylic acid ester copolymers of one or several monomers from the group of the methacrylic acid esters and acrylic acid esters of alcohols having 1 to 10 C atoms, and the vinyl ester or (meth)acrylic acid ester copolymers contain each 0.1 to 10 % by weight, in relation to the total weight of the copolymer, of one or several ethylenically unsaturated, cross-linking comonomers.

DISPERSION ADHESIVE FOR FLOOR COVERINGS

An aqueous composition substantially free from organic solvents and plasticisers with additional adhesive resins contains water, 20 to 99 % by weight of a polymer and 1 to 80 % by weight of a filler. The percentages by weight refer to the sum of the components of the aqueous composition, water excepted.

Aqueous synthetic resin composition

ADHESIVE FILM FOR SEMICONDUCTOR WAFER DICING, AND DICING OF SEMICONDUCTOR WAFER

PROBLEM TO BE SOLVED: To obtain the subject film capable of preventing the chip in dicing from causing dispersion, etc., by adjusting the subject film to have an adhesive layer containing a base polymer of a specific constitution and a crosslinking agent, and to have a specific sticking characteristic for the temperature change. SOLUTION: The objective adhesive film is the one having a sticker layer containing 100 pts.wt. base polymer obtained by copolymerizing (A) 40-98 wt.% at least one kind of monomer having a structure of the formula [R1 is H or CH3; X is COOR2 (R2 is a 10-50C aliphatic group), etc.], (B) 1-30 wt.% monomer having a functional group capable of reacting with a cross-linking agent, and (C) 1-59 wt.% monomer copolymerizable with the components A and B, and 0.1-5 pts.wt. crosslinking agent. The sticking power to the SUS 304-BA board is 150-2000 g/25 mm at A°C-40°C and 100 g/25 mm at B°C-C°C [0 Подробнее

ANTIMOLD RESIN AND ANTIMOLD PAINT OR ADHESIVE USING SAME

PROBLEM TO BE SOLVED: To provide a resin having strong antimold properties in itself and excellent in safety and antimold paint or antimold adhesive by using the resin. SOLUTION: This antimold resin is obtained by polymerizing a benzoic acid alkenyl ester expressed by the formula (R1 is a hydrogen atom, a hydroxyl residue, a halogen atom or a lower alkyl residue; R2 is a 2-3C alkenyl residue) or copolymerizing the benzoic acid alkenyl ester with other vinyl monomers. COPYRIGHT: (C)1999,JPO ...

СТАБИЛИЗИРОВАННЫЕ ПОЛИВИНИЛОВЫМ СПИРТОМ РЕДИСПЕРГИРУЕМЫЕ ПОРОШКИ С РАЗЖИЖАЮЩИМИ СВОЙСТВАМИ

Изобретение относится к стабилизированным поливиниловым спиртом редиспергируемым порошкам с разжижающими свойствами, а также к способу получения таких стабилизированных поливиниловым спиртом редиспергируемых порошков с разжижающими свойствами и к их применению в продуктах строительной химии, в производстве строительных клеев, составов для нанесения отделочных, выравнивающих и защитных покрытий, гидроизоляционных суспензий, растворов для расшивки швов и красок. Указанные порошки получают сушкой стабилизированных поливиниловыми спиртами водных дисперсий гомо- или сополимеров из одного или нескольких мономеров, выбранных из группы, включающей виниловые эфиры неразветвленных или разветвленных алкилкарбоновых кислот с 1-18 атомами углерода, эфиры акриловой кислоты или эфиры метакриловой кислоты и разветвленных или неразветвленных спиртов с 1-15 атомами углерода, диены, олефины, винилароматические соединения и винилгалогениды, в присутствии сополимера из: а) одного или нескольких мономеров, выбранных ...

ТЕРМОКЛЕЙ С УЛУЧШЕННОЙ АДГЕЗИЕЙ

Изобретение относится к клею-расплаву для склеивания упаковок и картонажа. Клей-расплав содержит по меньшей мере один сополимер этилена и/или пропилена и α-олефина, имеющих от 4 до 20 атомов углерода, который получают путем катализируемой металлоценами полимеризации, одной клеящей смолы, а также, по меньшей мере, одного тройного сополимера на основе α-олефинов, имеющих от 2 до 5 атомов углерода, и сложных эфиров (мет)акриловой кислоты, и присадки. Причем тройной сополимер на основе α-олефинов, имеющих от 2 до 5 атомов углерода, и сложных эфиров (мет)акриловой кислоты содержит карбоксильные или ангидридные группы, встроенные полимеризацией или радикальной прививкой, от 0,1 до 7,5 мас.% α,β-ненасыщенных мономеров, содержащих кислотные группы, или группы ангидридов. Клей обладает хорошим сцеплением, в частности пластмассовых, металлических и лакированных поверхностей, которое остается эластичным при низкой температуре, а в тепле показывает высокую стабильность. 7 з.п. ф-лы, 5 пр.

Способ получения сополимеров

Pressure-sensitive adhesive

A pressure-sensitive adhesive in the form of a melt which can be applied to substrates contains as essential constituents copolymers of 35-65% by wt. vinyl acetate and 65-35% by wt. vinyl laurate with a K-value of 35-65 measured in acetone at 20 degrees C, and 2-10% by wt. referred towt. of copolymer of vinyl acetae and vinyl laurate, of waxes. Compsns. may also contain a polymeric plasticiser.

Adhesive Compositions

... 1,171,185. Laminates. BADISCHE ANILIN & SODA-FABRIK A.G. 18 Jan., 1967 [19 Jan., 1966], No. 2576/67. Heading B5N. [Also in Divisions B6 and C3] Polyolefines, e.g. polyethylene, polypropylene, polybutylene - 1 or poly - 4 - methyl - pentene-1 are bonded to each other or to concrete, metal, wood, woven or non-woven fabrics or paper using an adhesive comprising a copolymer of ethylene with vinyl acetate and/or vinyl propionate and/or acrylic compounds, bitumen and expandible polystyrene. In an example, a polyethylene sheet is bonded to a sheet of bitumen and ethylene copolymer using an adhesive composition containing an ethylenevinyl acetate copolymer, bitumen and unexpanded and pre-expanded expandible polystyrene in a mould for roofing elements using the steam injection method.

IMPROVED ADHÄSIV COMPOSITION FOR LAMINATES

EMULSION BONDING ADHESIVES

POLYVINYL ALCOHOL-STABILIZED REDISPERSIONSPULVER WITH LIQUEFYING CHARACTERISTICS

ADHESIVE COMPOSITIONS FOR THE USE ON VINYLSUBSTRATEN.

PRESSURE-SENSITIVE ADHESIVE COMPOSITIONS FOR THE USE ON VINYL SUBSTRATES.

STORABLE SINGLE COMPONENT ADHESIVE

Procedure for the production of Vinylpolymerdispersionen with improved adhesion

VOC ARMS ADHESIVES

POLYVINYL ESTER ADHESIVE

A process for preparing laminates, and laminates so prepared

Emulsion adhesives

Cross-linkable dispersion powder useful as binder for fibers

ADHESIVE COMPOSITIONS FOR USE ON VINYL SUBSTRATES

A process for preparing laminates, and laminates so prepared

Ethylene acid copolymer with enhanced adhesion

ADHESIVE BLENDS

BINDERS FOR BUILDING ADHESIVES, TROWELING COMPOUNDS AND PLASTERS, BASED ON HALOGEN-FREE EMULSION COPOLYMERS OF MONOOLEFINICALLY UNSATURATED CARBOXYLATES

Binders for building adhesives, troweling compounds and plasters are based on emulsion copolymers comprising predominant amounts of vinyl propionate, as well as tert.-butyl acrylate and minor amounts of acrylic acid, with or without other monomers, and are used for bonding tiles and heat-insulating sheets.

EMULSION ADHESIVES

Aqueous emulsion adhesives having a pH from 2 to 6 which comprise homo- or copolymeric polyvinyl esters, polymeric protective colloids, water-soluble compounds which can be complexed with the polymeric protective colloids, and at least partially masked polyaldehydes having at least 3 carbon atoms from which aldehyde groups can be released in a controlled manner in acidic media are suitable for bonding porous and semiporous substrates.

PRESSURE-SENSITIVE ADHESIVE TAPES FOR ELECTRONICS APPLICATIONS

A water-resistant, anti-static pressure-sensitive adhesive tape suitable for use as a wafer dicing tape comprising a flexible substrate having opposing surfaces, at least one surface bearing thereon a removable, aziridinecrosslinked microparticulate adhesive comprised of microparticles having a surface bearing thereon an ionic conductive material formed from a polymer electrolyte base polymer, and at least one ionic salt selected from the group consisting of salts of alkali metals and salts of alkaline earth metals, wherein said microparticles have an average diameter of at least 1 micrometer, said adhesive having an adhesion to steel of from about 0.5 Newtons/100 mm (N/100 mm) to about 10 N/100 mm.

PROCESS FOR PREPARING ADHESIVES HAVING IMPROVED ADHESION

The invention provides a process for preparing adhesives having improved adhesion, in the form of their aqueous dispersions or water-redispersible dispersion powders, by emulsion polymerization in the presence of polyvinyl alcohol with or without drying of the dispersion obtainable by this process, which comprises polymerizing a comonomer mixture comprising a) one or more monomers from the group consisting of the vinyl esters of unbranched and branched carboxylic acids of 1 to 10 carbon atoms, the esters of acrylic acid and methacrylic acid with branched and unbranched alcohols of 1 to 12 carbon atoms, vinylaromatic compounds, vinyl halides and alpha-olefins, and b) from 0.01 to 50% by weight, based on the overall weight of the comonomers, of a vinyl ester of alpha-branched tertiary monocarboxylic acids of 11 carbon atoms, in the presence of c) from 0.1 to 15% by weight, based on the overall weight of the comonomers, of polyvinyl alcohol.

WOOD GLUE POWDER

The invention concerns wood glue powders which are re-dispersible in water, form solid blocks, have a minimum filming temperature of 0-5 ·C and contain: (a) 70-90 wt % one or more vinyl ester homopolymers or vinyl ester copolymers of vinyl esters of unbranched or branched alkyl carboxylic acids with 1-18 carbons; and (b) 10-30 wt % one or more fully saponified vinyl alcohol homopolymers or vinyl alcohol copolymers with a degree of hydrolysis of 96-100 mol % and a Hoeppler viscosity of 2-15 mPa/s, measured in a 4 % aqueous solution, the proportions in each case being expressed in terms of the total weight of polymer components (a) and (b). The proposed wood glue powders can be obtained by mixing aqueous dispersions of the vinyl ester polymers (a) produced by the emulsion polymerisation process with the vinyl alcohol polymers (b) and optionally other additives, followed by spray drying of the mixture. The wood glue powder is suitable for use in aqueous adhesive dispersions, the re-dispersible ...

AQUEOUS ADHESIVE EMULSIONS CONTAINING VINYL ESTER CONTAINING AN ALLYL CARBAMATE, THEIR MANUFACTORING PROCESS AND THEIR USE

Process of joining of objects worked out of polyolefins

Kontinuierliches polymerisationsverfahren

RADIATION CURABLE INKJETTABLE ADHESIVE

A radiation curable inkjettable adhesive composition combining the advantages of radical and cationic cure is described. The composition includes an acrylate ester of carboxylate acid ester, copolymerized with a di-functional component, which is preferably an aliphatic epoxy, utilizing both a photocation polymerization initiator and a free-radical photoinitiator. The adhesive composition is advantageously utilized in drop-on-demand printheads, resulting in a polymeric film having dark cure and excellent adhesion to multiple substrates.

POLYVINYLESTER AND POLY(METH)ACRYLATE SOLID RESINS HAVING HIGH POLYDISPERSITY

The invention relates to polyvinylester and poly(meth)acrylates in the form of solid resins thereof, obtained by means of radically initiated suspension polymerisation. The invention is characterised in that the solid resin has, for an average molecular weight Mw of < 300.000, a polydispersity PD of ≥ 5 and for an average molecular weight of 300.000 - 1.500.000, a polydispersity PD of ≥ 10.

Crosslinkable dispersion powders as binders for fibers

This invention covers the use of cross-linkable redispersible dispersion powders based on vinyl ester copolymers or (meth)acrylic acid ester copolymers as binders for the dry binding of fiber materials.

Formaldehyde-free crosslinking emulsion polymer systems based on vinyl ester dialkoxyhydroxyethyl acrylamide co- and terpolymers

Formaldehyde free crosslinking emulsion polymers are prepared by the addition of N-(2,2-dialkoxy-1-hydroxy)ethyl acrylamide to a vinyl ester based polymer. The resultant emulsions can be used as binders for nonwovens or fiberfill or as woodworking adhesives.

Wäßrige Kontaktkleberdispersionen, Verfahren zu deren Herstellung sowie deren Verwendung

Verbesserte Adhäsiv-Zusammensetzungen für Laminate

Verfahren zum Applizieren von Dispersionsklebstoffen

Gegenstand der Erfindung sind Verfahren zum Applizieren von Dispersionsklebstoffen enthaltend ein oder mehrere Polyvinylester und gegebenenfalls ein oder mehrere Zusatzstoffe, dadurch gekennzeichnet, dass ein oder mehrere Polyvinylester mittels radikalisch initiierter, kontinuierlicher Emulsionspolymerisation von a) einem oder mehreren Vinylestern und gegebenenfalls b) einem oder mehreren weiteren ethylenisch ungesättigten Monomeren hergestellt werden und die Dispersionsklebstoffe mittels maschineller Auftragsverfahren auf ein Substrat aufgetragen werden.

Klebemittel

Adhesive olefin polymer compositions

Compositions of matter having properties that make them strong adhesives to various substrates and especially to various polar substrates. These compositions comprise blends of graft copolymer of a linear low density polyethylene backbone grafted with at least one grafting monomer comprising one or more of polymerizable ethylenically unsaturated carboxylic acids or the anhydrides of such acids, blended with a blending polyolefin resin. The disclosure also includes composite structures comprising one or more substrates and a blend of the above as the adhesive in contact with the substrate or substrates. The disclosure also includes the process or method that uses these blends for combining one or moe substrates.

Manufacture of laminated glass

The non-brittle intermediate layer of compound glass comprises polyvinyl formate or an interpolymer of vinyl formate and, for example, vinyl acetate or propionate, maleic acid dimethyl or diethyl ester, methyl or ethyl acrylate, or ethyl methacrylate. In examples; (1) glass plates coated with polyvinyl formate dissolved with or without a softener such as diacetin or triacetin in acetone and/or methylene chloride are dried and united by heat and pressure, (2) a film of polyvinyl formate is adhesively secured between two glass plates, (3) glass plates are coated with a methylene chloride solution of an interpolymer of vinyl formate and vinyl acetate, dried, and pressed together.

ADHESIVES FOR BONDING METAL TO ORGANIC POLYMERIC MATERIALS

... 1357805 Laminates ESB Inc 29 July 1971 [14 Sept 1970] 35791/71 Heading B5N [Also in Division H1] A metal is bonded to an organic polymeric material by bringing the surfaces of the metal and organic polymeric material into intimate contact with an adhesive interposed between the surfaces, heating the adhesive mixture to a melt condition to wet the surfaces and allowing the adhesive mixture to cool in contact with the surfaces, the adhesive comprising 10-70% by weight of an olefinic interpolymer of ethylene or propylene and at least one comonomer which is a vinyl alkanoate or alkyl ester of acrylic or methacrylic acid, the comonomer constituting 15-50% by weight of the olefinic interpolymer, 25-50% by weight of a resin incorporating a carboxylic acid group and capable of fluxing the metal surface and 5-40% by weight of hydrocarbon wax or a fatty acid which has a melting point of 60-85‹ C. or oleic acid. The organic polymer to be bonded may be a polyethylene, polypropylene, polystyrene, polymethyl ...

Procedure for sticking together formed things from polyolefins

DISCOLORATION ARMS OF EMULSION BONDING ADHESIVES WITH EXTENDED POT LIFE

BONDING AGENT FOR BUILDING ADHESIVES, SCREEDING COMPOUNDS AND FINERY ON BASIS OF HALOGEN-FREE EMULSION COPOLYMERS OF MONOOLEFINISCH INSATIATED CARBONIC ACID ESTERS.

HETEROGENEOUS POLYVINYLESTER DISPERSIONS AND - POWDERS

EMULSION POLYMERIZATION

POWDERED ADHESIVE COMPOSITION

PRESSURE-SENSITIVE ADHESIVES FROM MORE TERPOLYMER OF ETHYLEN, AND DIOKTYLAPFELSAEUREESTER VINYLAZETAT.

LAGERSTABILES EINKOMPONENTEN-KLEBEMITTEL

STORABLE SINGLE COMPONENT ADHESIVE

FLOOR COVERING ADHESIVE BASED ON AQUEOUS POLYMER DISPERSIONS

Agglomerates for the production of an aqueous binder system,

Polymers Comprising Hydroxyl Groups And Ester Groups And Method For The Production Thereof

The invention relates to polymers comprising ester/hydroxyl groups, containing repetitive structural units of formulae (I) and (II) in blocks, alternating, or random sequence wherein D represents a direct bond between the polymer backbone and the hydroxyl group, a C- to C-alkylene group, a C- to C-arylene group, a oxyalkylene group of formula —O—R—, an ester group of formula —C(O)—O—R— or an amide group of formula —C(O)—N(R)R—, E represents a hydrocarbon group having 1 to 10 C-atoms, Rrepresents hydrogen, a hydrocarbon group having 1 to 50 C-atoms or an acyl group of formula —C(O)—R, Rrepresents a C- to C-alkylene group, Rrepresents hydrogen or a C- to C-alkyl group, which can have substituents, Rrepresents a hydrocarbon group having 1 to 50 C-atoms, A represents a C- to C-alkylene group, k represents a number between 1 and 100, n represents a number from 0 to 4999, m represents a number from 1 to 5000, n+m for a number from 10 to 5000, under the proviso that a) the molar fraction of the structural units (I) on the polymer is between 0 and 99.9 mol-%, and b) the molar fraction of the structural units (II) on the polymers between 0.1 and 100 mol-% of repetitive units. The invention also relates to a method for the production of said polymers by exposing a polymer reaction mixture containing hydroxyl groups and ether carbon esters to microwaves. 2. The process as claimed in claim 1 , in which the hydroxyl-bearing polymer further comprises claim 1 , as well as the structural units of the formula (I) claim 1 , structural units derived from further ethylenically unsaturated monomers.3. The process as claimed in claim 1 , in which the structural units of the formula (I) derive from vinyl alcohol.4. The process as claimed in claim 2 , in which the hydroxyl-bearing polymer further comprises claim 2 , as well as the structural units of the formula (I) claim 2 , structural units derived from vinyl acetate.5. The process as claimed in claim 1 , in which Ris a hydrocarbyl ...

Hydrophobic vinyl ester copolymer dispersions

An aqueous copolymer dispersion is obtained by emulsion polymerization of a monomer mixture comprising, as main monomers, 10 to 35 weight % of ethylene, 30 to 60 weight % of a vinyl ester of a carboxylic acid having 1 to 9 carbon atoms and 15 to 50 weight % of a vinyl ester of a branched carboxylic acid having 3 to 15 carbon atoms. The monomer mixture also contains 0.1 to 10 weight % of an ethylenically unsaturated monocarboxylic or dicarboxylic acid having 3 to 4 carbon atoms and 0.1 to 10 weight % of a methacrylic or acrylic acid ester modified with epoxide groups and/or hydroxyl groups. The dispersion is stabilized with 0.02 to 2 weight % of a protective colloid, 0.01 to 5 weight % of a non-ionic surfactant and 0.01 to 5 weight % of an anionic surfactant. All weight percentages are based on the total weight of the main monomers.

TIRE PUNCTURE SEALANT

An object of the present invention is to provide a tire puncture sealant having excellent sealing performance and low-temperature properties. The tire puncture sealant of the present invention contains a natural rubber latex (A) and a vinyl versatate copolymer resin emulsion (B) as an emulsion of a vinyl versatate copolymer resin (b1) containing vinyl versatate as a monomer unit; the proportion of the vinyl versatate with respect to all monomer units constituting the vinyl versatate copolymer resin (b1) being from 30 to 70 mass %. 1. A tire puncture sealant containing a natural rubber latex (A) and a vinyl versatate copolymer resin emulsion (B) as an emulsion of a vinyl versatate copolymer resin (b1) containing vinyl versatate as a monomer unit;a proportion of the vinyl versatate with respect to all monomer units constituting the vinyl versatate copolymer resin (b1) being from 30 to 70 mass %.2. The tire puncture sealant according to claim 1 , wherein the vinyl versatate copolymer resin emulsion (B) described above contains an emulsifier (b2) containing polyvinyl alcohol; anda content of the emulsifier (b2) is from 0.8 to 3.0 mass % with respect to a solid content of the vinyl versatate copolymer resin emulsion (B).3. The tire puncture sealant according to claim 1 , wherein the vinyl versatate copolymer resin (b1) is an ethylene-vinyl acetate-vinyl versatate copolymer resin.4. The tire puncture sealant according to claim 1 , further containing a propylene glycol (C) claim 1 , whereina mass ratio (B/C) of a solid content of the vinyl versatate copolymer resin emulsion (B) to the propylene glycol (C) is from 0.1 to 1.1.5. The tire puncture sealant according to claim 1 , wherein a mass ratio (A/B) of a solid content of the natural rubber latex (A) and a solid content of the vinyl versatate copolymer resin emulsion (B) is from 90/10 to 40/60.6. The tire puncture sealant according to claim 2 , wherein the vinyl versatate copolymer resin (b1) is an ethylene-vinyl acetate- ...

ADHESIVE COMPOSITIONS

An adhesive composition comprises a copolymer dispersion prepared by a free radical emulsion polymerization process, in which a first monomer composition comprising from 60 weight percent to 95 weight percent of at least one vinyl ester of a Cto Ccarboxylic acid, and from 5 weight percent to 40 weight percent ethylene is polymerized in a first stage to produce a first polymer phase having a glass transition temperature Tless or equal than 30° C. A second, different monomer composition comprising from 5 weight percent to 95 weight percent of at least one vinyl ester of a Cto Ccarboxylic acid and from 5 weight percent to 95 weight percent 2-ethylhexyl acrylate is then polymerized in a second stage, and in the presence of the first polymer phase, to produce a second polymer phase also having a glass transition temperature Tless than or equal to 30° C. 1. An adhesive composition comprising a copolymer dispersion prepared by a free radical emulsion polymerization process comprising:{'sub': 1', '18', 'g, '(a) polymerizing, in a first stage, a first monomer composition comprising from 60 weight percent to 95 weight percent of at least one vinyl ester of a Cto Ccarboxylic acid, and from 5 weight percent to 40 weight percent ethylene to produce a first polymer phase having a glass transition temperature Tof less or equal than 30° C.; and'}{'sub': 1', '18', 'g, '(b) polymerizing, in a second stage and in the presence of the first polymer phase, a second, different monomer composition comprising from 5 weight percent to 95 weight percent of at least one vinyl ester of a Cto Ccarboxylic acid, and from 5 weight percent to 95 weight percent 2-ethylhexyl acrylate such that the polymer phase produced by the second monomer composition has a glass transition temperature Tof less than or equal to 30° C.'}2. An adhesive composition according to claim 1 , wherein the first monomer composition comprises from 15 weight percent to 40 weight percent ethylene.3. An adhesive composition ...

AQUEOUS EMULSION AND ADHESIVE IN WHICH SAME IS USED

The present invention relates to an aqueous emulsion including an ethylenically unsaturated monomer unit-containing polymer as a dispersoid and a polyvinyl alcohol as a dispersant. The content of a free polyvinyl alcohol in the aqueous emulsion is 0.2 to 20 parts by mass relative to 100 parts by mass of the ethylenically unsaturated monomer unit-containing polymer. The free polyvinyl alcohol has a degree of saponification of 80.0 to 99.5 mol % and a viscosity-average degree of polymerization of 200 to 5000, and the free polyvinyl alcohol has a symmetry factor (W/2f) that satisfies the following expression (1) as determined by gradient high-performance liquid chromatography for reversed-phase separation using a water-acetone eluent according to JIS K 0124 (2011). 1: An aqueous emulsion comprising an ethylenically unsaturated monomer unit-containing polymer as a dispersoid and a polyvinyl alcohol as a dispersant ,whereinan amount of the polyvinyl alcohol is present in the form of a free polyvinyl alcohol in the aqueous emulsion,the content of the free polyvinyl alcohol is 0.2 to 20 parts by mass relative to 100 parts by mass of the ethylenically unsaturated monomer unit-containing polymer,the free polyvinyl alcohol has a degree of saponification of 80.0 to 99.5 mol % and a viscosity-average degree of polymerization of 200 to 5000, and{'sub': '0.05h', 'claim-text': {'br': None, 'i': W', 'f≦, 'sub': '0.05h', '0.85≦/21.30\u2003\u2003(1),'}, 'the free polyvinyl alcohol has a symmetry factor (W/2f) that satisfies the following expression (1) as determined by gradient high-performance liquid chromatography for reversed-phase separation using a water-acetone eluent according to JIS K 0124 (2011){'sub': '0.05h', 'where Wrepresents a peak width at 5% peak height and f represents a distance from a leading edge point a at 5% peak height to an intersection point b between a horizontal line passing through the leading edge point a and a vertical line passing through a peak top.'}2 ...

Ethylene-vinyl acetate emulsions with an improved balance of adhesive properties

A process for the preparation of emulsion polymers comprising 70 to 95% by weight of a vinyl ester and 5 to 30% by weight ethylene, the polymerization being carried out in the presence of 2 to 8% by weight of a protective colloid consisting of a blend of 1 to 3 percent by weight of 80% hydrolyzed polyvinyl alcohol, 0 to 2 percent by weight of 88% hydrolyzed polyvinyl alcohol and 1 to 3 percent by weight of 96% hydrolyzed polyvinyl alcohol, the blend having an average level of hydrolysis of 85 to 88%.

Radiation curable laminating adhesives based on cycloaliphatic carboxylic acid functional monomers

Provided are radiation-cured, laminated materials, radiation-curable adhesive compositions suitable for use in forming the laminated materials, and methods of making laminated materials. The radiation-curable composition includes the use of a cycloaliphatic carboxylic acid functional monomer

Aqueous dispersions of syntmetic materials, process for their preparation and their use

Die vorliegende Erfindung stellt wäßrige Kunststoffdispersionen auf Basis von Copolymerisaten olefinisch ungesättigter Verbindungen zur Verfügung, die sich besonders gut als Bindemittel für Farben und Lacke sowie als Klebstoffe eignen und sich durch eine gute Naßhaftung auszeichnen. Dies wird bewirkt durch die Einpolymerisation von 0.2 bis 7 Gew.%, bezogen auf das Gesamtgewicht der Monomeren, von Diacetylessigsäurevinyl- und/oder-allylester bei der Herstellung der erfindungsgemäßen Copolymerisate in wäßriger Emulsion. The present invention provides aqueous plastic dispersions based on copolymers of olefinically unsaturated compounds which are particularly suitable as binders for paints and varnishes and as adhesives and are distinguished by good wet adhesion. This is brought about by the polymerization of 0.2 to 7% by weight, based on the total weight of the monomers, of vinyl and / or allyl diacetoacetic acid in the preparation of the copolymers according to the invention in aqueous emulsion.

ホットメルトアクリル感圧接着剤の使用方法

Laminate

本発明の積層体（１０）は、熱可塑性ポリウレタン樹脂層（Ａ）と、アイオノマー樹脂層（Ｂ）と、熱可塑性ポリウレタン樹脂層（Ａ）とアイオノマー樹脂層（Ｂ）との間に設けられた接着性樹脂層（Ｃ）と、を備える。接着性樹脂層（Ｃ）は、エチレン・ビニルエステル共重合体およびエチレン・不飽和カルボン酸エステル共重合体から選択される少なくとも一種のエチレン・極性モノマー共重合体（Ｃ１）と、グリシジル基含有エチレン系共重合体（Ｃ２）（ただし、エチレン・極性モノマー共重合体（Ｃ１）を除く）と、を含む接着性樹脂組成物により構成される。 The laminate (10) of the present invention is provided between the thermoplastic polyurethane resin layer (A), the ionomer resin layer (B), the thermoplastic polyurethane resin layer (A), and the ionomer resin layer (B). It includes an adhesive resin layer (C). The adhesive resin layer (C) is composed of at least one ethylene / polar monomer copolymer (C1) selected from an ethylene / vinyl ester copolymer and an ethylene / unsaturated carboxylic acid ester copolymer, and a glycidyl group-containing ethylene. It is composed of an adhesive resin composition containing a system copolymer (C2) (excluding the ethylene / polar monomer copolymer (C1)).

Mending agent for tyre

本发明的目的在于，提供一种保存性能及低温特性优异的轮胎补胎剂。本发明的轮胎补胎剂包含天然橡胶胶乳(A)和叔碳酸乙烯酯共聚树脂乳液(B)，所述叔碳酸乙烯酯共聚树脂乳液(B)是以单体单元的形式含有叔碳酸乙烯酯的叔碳酸乙烯酯共聚树脂(b1)的乳液，上述叔碳酸乙烯酯相对于构成上述叔碳酸乙烯酯共聚树脂(b1)的全部单体单元的比例为30～70质量％。

Continuous manufacturing methods of polymer

본 발명은 스태틱 믹서를 포함하는 반응 장치를 구비한 제조 장치를 사용하여, 중합체를 연속적으로 제조하는 방법에 관한 것이다. 본 발명에서는 공급된 원료가 단순히 유체의 흐름에 의해 균일하게 혼합되는 스태틱 믹서를 포함하는 제조 장치를 사용하여 중합체, 특히 점착제 조성물에 포함될 수 있는 아크릴계 저분자량체를 효과적으로 연속 제조할 수 있다. 이에 따라 본 발명에서는 간단한 장치 및 낮은 비용으로 기존에 비해 낮은 온도 및 짧은 반응 시간의 조건 하에서 중합 불순물 등이 없는 고품질의 중합체를 제조할 수 있게 되는 이점이 있다. The present invention relates to a method for continuously producing a polymer using a production apparatus with a reaction apparatus comprising a static mixer. In the present invention, a production apparatus including a static mixer in which the supplied raw materials are simply mixed uniformly by the flow of a fluid may be used to continuously and continuously produce an acrylic low molecular weight body which may be included in a polymer, particularly an adhesive composition. Accordingly, the present invention has the advantage of being able to produce a high quality polymer free of polymerization impurities and the like under a condition of low temperature and a short reaction time with a simple device and low cost. 스태틱 믹서, 연속식 제조 장치, 아크릴계 중합체, 가열 장치, 원료 공급 장치 Static mixers, continuous manufacturing units, acrylic polymers, heating units, raw material feeders

Method for producing polyvinyl ester resin emulsion

높은 점도를 가지며, 양호한 내수 접착성, 내열 접착성, 내열수 접착성 및 보관 안정성, 특히 고온 보관 안정성을 가지며, 양호한 필름-형성능을 가지며, 투명 필름으로 용이하게 형성되는 폴리비닐 에스테르 수지 에멀젼이 제공된다. 이 에멀젼은 보호 콜로이드로서 작용하는 폴리비닐 알콜의 존재 하에, 그리고 수불용성 히드록실기-함유 화합물의 존재 하에 비닐 에스테르 단량체를 에멀젼 중합 방식으로 중합시키는 방법으로 제조된다. Provided is a polyvinyl ester resin emulsion that has a high viscosity, has good water resistance, heat resistance, heat resistance and storage stability, especially high temperature storage stability, has good film-forming ability, and is easily formed into a transparent film. do. This emulsion is prepared by the process of polymerizing vinyl ester monomers in an emulsion polymerization manner in the presence of polyvinyl alcohol which acts as a protective colloid and in the presence of a water insoluble hydroxyl group-containing compound.

Adhesive compositions for use on vinyl substrates

Adhesive compositions having a Tg of -45° to -25° C. suitable for application to plasticized polyvinyl chloride comprising 30-70% by weight of a vinyl ester of a alkenoic acid; 10-30% by weight ethylene; 20-40% by weight of a di-2-ethylhexyl maleate or di-n-octyl maleate or the corresponding fumarate; and 1 to 10% by weight of a mono-carboxylic acid.

Adhesive compositions for use on vinyl substrates

Adhesive compositions having a Tg of -45° to -25° C. suitable for application to plasticized polyvinyl chloride comprising 30-70% by weight of a vinyl ester of a alkenoic acid; 10-30% by weight ethylene; 20-40% by weight of a di-2-ethylhexyl maleate or di-n-octyl maleate or the corresponding fumarate; and 1 to 10% by weight of a mono-carboxylic acid.

Laminating adhesive for film/paper microwavable products

Wet laminating adhesives capable of withstanding the stresses encountered during heat sealing operations are prepared from emulsion copolymers consisting essentially of 45 to 80% by weight of a vinyl ester of an alkanoic acid, 10 to 30% ethylene, 5 to 30% of dialkyl maleate, 0.5 to 2% of an N-methylol containing comonomer and 0.5 to 4% of an ethylenically unsaturated mono- or di-carboxylic acid. These specific emulsion copolymers are prepared utilizing standard emulsion polymerization procedures with hydroxyethylcellulose or polyvinyl alcohol as a protective colloid. The emulsion polymers thus produced provide superior wet laminating adhesive properties for use in substrates which are to be formed into microwavable packages or bags.

Substrates coated with pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate polymers

Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate.

Pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate terpolymers

Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate.

Method for making a polymer

Low-emission adhesive based on an aqueous, protective colloid-free polymer dispersion of vinyl acetate-ethylene copolymers

Gegenstand der Erfindung sind emissionsarme Klebemittel auf Basis einer wässrigen, schutzkolloidfreien Polymerdispersion oder daraus erhältlichen, in Wasser redispergierbaren Dispersionspulvern von Vinylacetat-Ethylen-Mischpolymerisaten erhältlich durch radikalisch initiierte Emulsionspolymerisation, in wässrigem Medium und in Gegenwart von einem oder mehreren Emulgatoren, eines Comonomergemisches aus DOLLAR A a) 5 bis 50 Gew.-% Ethylen. DOLLAR A b) 20 bis 80 Gew.-% eines oder mehrerer Vinylester aus der Gruppe der Vinylester von unverzweigten oder verzweigten Carbonsäuren mit 1 bis 9 C-Atomen, deren Homopolymerisate eine Glasübergangstemperatur Tg > 0 C aufweisen, DOLLAR A c) 5 bis 70 Gew.-% eines oder mehrerer Vinylester aus der Gruppe der Vinylester von verzweigten Carbonsäuren mit 8 bis 13 C-Atomen, deren Homopolymerisate eine Glasübergangstemperatur Tg < 0 C aufweisen, DOLLAR A d) 0,5 bis 10 Gew.-% eine oder mehrere ethylenisch ungesättigte Mono- oder Dicarbonsäuren mit 3 bis 4 C-Atomen, DOLLAR A e) 0 bis 10 Gew.-% ein oder mehrere ethylenisch ungesättigte, hydroxyalkylfunktionellen Comonomere, DOLLAR A f) 0 bis 10 Gew.-% weitere einfach oder mehrfach ethylenisch ungesättigte Comonomere, DOLLAR A wobei die Angaben in Gew.-% jeweils auf das Gesamtgewicht der Comonomere bezogen sind und sich auf 100 Gew.-% aufaddieren und die damit erhaltene Dispersion gegebenenfalls getrocknet wird. The invention relates to low-emission adhesives based on an aqueous, protective colloid-free polymer dispersion or water-dispersible dispersion powders of vinyl acetate-ethylene copolymers obtainable therefrom, which can be obtained by radical-initiated emulsion polymerization, in an aqueous medium and in the presence of one or more emulsifiers, a comonomer mixture of DOLLAR A a) 5 to 50 wt .-% ethylene. DOLLAR A b) 20 to 80% by weight of one or more vinyl esters from the group of vinyl esters of unbranched or branched carboxylic acids having 1 to 9 C atoms, the homopolymers of ...

Contact adhesive dispersions, process for their preparation and their use

Low emission adhesives based on an aqueous polymer dispersion, not containing any protective colloid, of vinylacetate-ethylene copolymers

Low emission adhesives based on an aqueous polymer dispersion, not containing any protective colloid, of vinylacetate-ethylene copolymers

An adhesive composition having low emissions, comprises an aqueous, protective colloid free polymer dispersion prepared by radically initiated emulsion polymerization of ethylene, a mixture of vinylesters, an ethylenically unsaturated 3-4C mono- or di-carboxylic acid, an ethylenically unsaturated, hydroxyalkyl functionalized comonomer and other ethylenically unsaturated comonomers. An adhesive composition (I) having low emissions, comprises an aqueous, protective colloid free polymer dispersion or powder that is redispersible in water. (I) is based on a vinyl acetate-ethylene mixed polymer prepared by radically initiated emulsion polymerization in an aqueous medium and in the presence of an emulsifier of a comonomer mixture comprising (A) 5-50 wt.% ethylene (B) 2-80 wt.% of a vinyl ester of a 1-9C carboxylic acid, whose derived homopolymer has a Tg of greater than 0 degrees C, (C) 5-70 wt.% of a vinyl ester of a 8-13 C carboxylic acid, whose derived homopolymer has a Tg of less than 0 degrees C (D) 0.5-10 wt.% of an ethylenically unsaturated 3-4C mono- or dicarboxylic acid (E) 0-10 wt.% of an ethylenically unsaturated, hydroxyalkyl functionalized comonomer (F) 0-10 wt.% of other ethylenically unsaturated comonomers. The resulting polymer dispersion is optionally dried.

Radiation curable lamination adhesives based on alicyclic carboxylic acid functional monomers

Alkenyl ether-vinyl ester copolymer

체온 혹은 실온이라고 하는 낮은 온도 영역에서부터 80℃ 이상의 고온 영역까지의 폭넓은 온도 범위에 있어서, 임의의 LCST를 지니는 온도 응답성 중합체나, 이 중합체를 용이하게 얻는 방법을 제공하는 것. 하기 식 (1)로 표시되는 하이드록시기 함유 알켄일 에터 유래의 반복 단위와, 하기 식 (2)로 표시되는 비닐 에스터 유래의 반복 단위를 포함하고, 또한, 소정의 온도를 임계점으로 해서 친소수성이 변화되는 온도 응답성을 나타내는 알켄일 에터-비닐 에스터 공중합체 및 물에 대한 하한임계 용해온도가 1℃ 내지 99℃인 상기 알켄일 에터-비닐 에스터 공중합체: (식 중, R 1 , R 2 및 R 3 은 각각 독립적으로 수소 원자 또는 탄소수 1 내지 4의 알킬기를 나타내고, R 4 는 탄소수 2 내지 4의 직쇄 또는 분기 형상의 알킬렌기를 나타내며, R 5 는 탄소수 1 내지 20의 아실기를 나타내고, p는 1 내지 3의 정수를 나타낸다). A temperature responsive polymer having an arbitrary LCST in a wide temperature range from a low temperature region such as a body temperature or a room temperature to a high temperature region above 80 占 폚 and a method for easily obtaining the polymer. A recording material comprising a repeating unit derived from a hydroxyl group-containing alkenyl ether represented by the following formula (1) and a repeating unit derived from a vinyl ester represented by the following formula (2) and having a predetermined temperature as a critical point, The alkenyl ether-vinyl ester copolymer and the alkenyl ether-vinyl ester copolymer having a lower-limit critical dissolution temperature for water of 1 占 폚 to 99 占 폚, (Wherein, R 1, R 2 and R 3 each independently represents a hydrogen atom or an alkyl group having 1 to 4, R 4 represents an alkylene group of straight chain or branched shape of a carbon number of 2 to 4, R 5 are carbon atoms, 1 to 20 acyl groups, and p represents an integer of 1 to 3).

Process to produce polyvinyl-ester compositions with low residual monomer content

연속 중합 단계를 사용하여 수성 중합 에멀젼 중의 잔류 단량체의 양을 감소시키는 방법. 제1 단계는 라디칼 개시제 함유 물에 C1 내지 C18 알킬 카르복시산의 비닐 에스테르의 에멀젼을 첨가하는 것으로 이루어지고, 제2 단계는 추가로 알킬 아크릴레이트 및/또는 메타크릴레이트의 에멀젼을 첨가하는 것으로 이루어지며, 제3 단계는 c) 단계 a) 및 b)의 결과물인 중합체 에멀젼에 C 1 내지 C 12 알킬 사슬을 가진 순수 액체 아크릴레이트 또는 메타크릴레이트를 첨가하는 것으로 이루어진다. A method of reducing the amount of residual monomer in an aqueous polymerization emulsion using a continuous polymerization step. The first step consists in adding an emulsion of a vinyl ester of a C1 to C18 alkyl carboxylic acid to the radical initiator containing material and the second step further comprises adding an emulsion of alkyl acrylate and / or methacrylate, The third step consists in adding c) pure liquid acrylate or methacrylate having a C 1 to C 12 alkyl chain to the polymer emulsion resulting from steps a) and b).

Adhesives and their applications

Ternary alkylated polymers and copolymers of vinyl esters

Improvements in vinyl ester polymers

Prep. of polyvinyl ester resin emulsion

提供了一种聚乙烯酯树脂乳液，该乳液具有高粘度并且具有良好的耐水粘合性、耐热粘合性、耐热水粘合性和储存稳定性，特别是高温储存稳定性，并且具有良好的成膜能力并易于形成透明薄膜。该乳液是在作为保护胶体的聚乙烯醇存在下和在水不溶性含羟基化合物存在下以乳液聚合方式聚合乙烯基酯单体而生产的。

Aqueous dispersion adhesive based on polyvinyl ester, process for its preparation and its use

SOLUBLE AND HARDENABLE, FLUORINE COPOLYMERS

Copolymer dispersions

Radiation curable laminating adhesives based on cycloaliphatic carboxylic acid functional monomers

Method for making a polymer

A method for making a polymer is disclosed. The method comprises: adding a first portion of colloidal stabilizer to an aqueous medium ;adding a monomer mixture including a monomer charge comprising from 40 to 70 parts by weight of a vinyl ester monomer per 100 parts by weight monomer charge and from 30 to 60 parts by weight of a (C₁-C₁₂)alkyl (meth)acrylate monomer per 100 parts by weight monomer charge, and including a second portion of colloidal stabilizer; and polymerizing the monomers of the monomer charge to form an emulsion of the polymer in the aqueous medium.

Polyvinyl ester dispersion with metal salt hydrosols as seed base

Disclosed are polyvinyl dispersions containing a hydrosol of a complex salt of a group IV metal, the hydrosol containing a surface-active substance, with an organic alpha -hydroxy and/or alpha -oxy acid as precipitation basis. The proposed dispersions can be used as coating and adhesive agents.

Hot melt acrylic pressure sensitive adhesive and use thereof

The present invention provides a hot melt acrylic pressure sensitive adhesive (PSA) comprising an acrylic polymer having units derived from one or more C1-C20 alkyl esters of acrylic or methacrylic acid and units derived from one or more vinyl esters corresponding to the formula (I), wherein R1, R2 and R3 each independently represent an alkyl group and the total number of carbon atoms in the vinyl ester is from 7 to 18. The PSA is particularly suitable for sticking objects to a low surface energy substrate.

Copolymer mixture

The invention provides a polymer composition comprising (a) a copolymer comprising in polymerized form at least one vinyl ester (i) of a monocarboxylic acid having 2 to 4 carbon atoms and at least one vinyl ester (ii) of a monocarboxylic acid having at least 5 carbon atoms and (b) a copolymer different from copolymer (a) and comprising in polymerized form vinyl acetate and ethylene. In addition the invention concerns compositions comprising an inorganic hydraulic binding agent and said polymer composition; and uses of said polymer composition, especially in tile adhesives.

Cationic vinyl ester based polymer latices, their preparation and use as formaldehyde-free binders

CATIONIC VINYL ESTER BASED POLYMER LATICES, THEIR PREPARATION AND USE AS FORMALDEHYDE-FREE BINDERS Abstract of the Disclosure High solids, low viscosity, alkaline-curable, thermosetting cat-ionic vinyl ester based polymer latices, characterized by the high molecular weight of the polymer therein, are prepared by polymerizing at least 5% of selected vinyl esters (up to C6), 0.5-10% of a self-crosslinking cationic quaternary ammonium monomer, and optionally a vinyl polymerizable monomer such as butyl acrylate, ethylene, acrylamide, diallyl maleate, and/or 2-hydroxyethyl acrylate. The polymerization is carried out in the presence of water, a watersoluble cationic azo initiator, a water-soluble amino thiol salt chain transfer agent, and a cationic and/or nonionic surfactant. The latices are useful as formaldehyde-free binders for polyester nonwovens.

Tacky microspheres prepared from vinyl ester monomers

The invention provides tacky, polymeric, organic solvent-insoluble, elastomeric, pressure-sensitive adhesive microspheres prepared from vinyl ester monomers, to processes for their preparation, and to their use as pressure-sensitive adhesives.

Laminating adhesive compositions for packaging applications

Aqueous laminating adhesive compositions adapted to bond difficult-to-adhere substrates, the compositions incorporating vinyl ester/acrylic copolymers with a Tg from shout 10 C. to about -45 C., preferably from about -15 C. to about -35 C. are provided, which compositions exhibit good adhesion performance without requiring organic solvent.

Aqueous synthetic resin dispersion* its manufacture and bonding and tackifying agent thereof

Multipurpose high-grade strong binder

本发明属于建筑化工材料技术领域，公开了一种多用途高级强力粘结剂，该粘结剂包括水性聚合物树脂、增粘树脂乳液及助剂，其中，水性聚合物树脂和增粘树脂乳液的重量比例为70‑80：10‑20。本发明产品健康环保、粘结强度高、防水抗渗、耐候性好，从根本上解决贴面装饰中所存在的开裂、空鼓、脱落以及渗漏等弊病。

PROCESS FOR THE PREPARATION OF ADHESIVE AGENTS WITH IMPROVED ADHESION.

EL OBJETO DE LA INVENCION ES UN PROCEDIMIENTO PARA LA FABRICACION DE ADHESIVOS CON UNA ADHESION MEJORADA, EN FORMA DE SUS DISPERSIONES ACUOSAS O POLVO DE DISPERSION REDISPERSABLE EN AGUA, MEDIANTE POLIMERIZACION DE EMULSION EN PRESENCIA DE ALCOHOL POLIVINILICO Y OPCIONALMENTE SECADO DE LA DISPERSION OBTENIDA, CARACTERIZADO PORQUE SE POLIMERIZA UNA MEZCLA DE COMONOMEROS QUE CONTIENE A) UNO O VARIOS MONOMEROS DEL GRUPO DE LOS ESTERES VINILICOS DE ACIDOS CARBOXILICOS LINEALES Y RAMIFICADOS CON 1 A 10 ATOMOS DE C, DE LOS ESTERES DE ACIDO ACRILICO Y ACIDO METACRILICO CON ALCOHOLES RAMIFICADOS Y SIN RAMIFICAR CON 1 A 12 ATOMOS DE C, COMPUESTOS AROMATICOS DE VINILO, HALUROS DE VINILO Y ALFA - OLEFINAS, Y B) 0,01 A 50 % EN PESO, CON RELACION AL PESO TOTAL DE LOS COMONOMEROS, DE UN ESTER VINILICO DE ACIDOS MONOCARBOXILICOS TERCIARIOS RAMIFICADOS EN ALFA CON 11 ATOMOS DE C, EN PRESENCIA DE C) 0,1 HASTA 15 % EN PESO, CON RELACION AL PESO TOTAL DE LOS COMONOMEROS DE ALCOHOL DE POLIVINILO. THE OBJECT OF THE INVENTION IS A PROCEDURE FOR THE MANUFACTURE OF ADHESIVES WITH AN IMPROVED ADHESION, IN THE FORM OF ITS WATER DISPERSIONS OR REDISPERSABLE DISPERSION POWDER IN WATER, THROUGH EMULSION POLYMERIZATION IN THE PRESENCE OF OPTIONAL POLYSTYDING OPTIONAL POWDERED OPENING, BECAUSE A MIXTURE OF COMMONOMERS CONTAINS A) ONE OR VARIOUS MONOMERS OF THE GROUP OF THE VINYL ESTERS OF LINEAR CARBONYL ACIDS AND RAMIFIED WITH 1 TO 10 ATOMS OF C, OF THE ACRYLIC ACID ESTERS AND SYNCED RAMPED METRIC ACID WITH 1 TO 12 ATOMS OF C, VINYL AROMATIC COMPOUNDS, VINYL AND ALPHA HALURES - OLEFINS, AND B) 0.01 TO 50% BY WEIGHT, IN RELATION TO THE TOTAL WEIGHT OF THE COMMONOMEROS, OF A VINYL STERIAL OF RAMOCARBYLING MONOCARBOXYLIC ACIDS IN ALPHA WITH 11 ATOMOS OF C, IN THE PRESENCE OF C) 0.1 UP TO 15% BY WEIGHT, IN RELATION TO THE TOTAL WEIGHT OF THE COMMONOMEROS OF POLYLINYL ALCOHOL.

High performance pvoh stabilized eva adhesives

An emulsion adhesive composition comprising a polyvinyl alcohol stabilized polymer emulsion; the polymer comprising 40 to 94.5% by weight of a vinyl ester of an C1 - C13 alkanoic acid, 5 to 40% by weight ethylene and 0.5 to 10% by weight N-vinyl formamide or N-vinyl pyrrolidone, the adhesive being characterized by superior adhesion and heat resistance.

Radiatioin Curable Laminating Adhesives Based On Cycloalphatic Carboxylic Acid Functional Monomers

본 발명은 방사선 경화된 라미네이트된 물질, 라미네이트된 물질에 사용하기에 적합한 방사선 경화성 접착제 조성물 및 라미네이트된 물질의 제조방법에 관한 것이다. 상기 방사선 경화성 조성물은 사이클로알리파틱 카르복시산 관능성 모노머의 사용을 포함한다. 가요성 라미네이트 패키징 물질, 방사선 경화성 접착제 조성물

Laminating adhesive compositions for packaging applications

Aqueous laminating adhesive compositions adapted to bond difficult-to-adhere substrates, the compositions incorporating vinyl ester/acrylic copolymers with a Tg from shout 10 C. to about -45 C., preferably from about -15 C. to about -35 C. are provided, which compositions exhibit good adhesion performance without requiring organic solvent.

Tacky microspheres prepared from vinyl ester monomers

The invention provides tacky, polymeric, organic solvent-insoluble, elastomeric, pressure-sensitive adhesive microspheres prepared from vinyl ester monomers, to processes for their preparation, and to their use as pressure-sensitive adhesives.

Aqueous contact adhesive dispersions, processes for their preparation and their use

Coating and impregnating agents

Aq. dispersion useful as contact adhesive - contg. e.g. acrylic] copolymer and vinylidene] chloride copolymer

An aq. dispersion is claimed which consists of (i) at least one resin (A) of Tg -55 to -10 deg.C and wt. ave. mol. wt. 200,000-1 million; and (ii) at least one resin (B) of Tg 0-30 deg.C, the wt. ratio (A):(B) being 95:5-10:90. Resin (A) consists of (a) 65-97 wt.% of vinyl acetate, vinyl propionate and/or acrylic ester of a 2-10C alkanol; (b) 0-30 wt.% acrylonitrile, styrene and/or methacrylic ester of a 1-5C alkanol; and (c) 0-5 wt.% of one or more 3-5C alpha, beta-mono ethylenically unsatd. mono- or di-basic acids or anhydrides, mono- or di-amides, alkali metal salts or (in the case of dibasic acids) 1-8C alkanol semi-esters of the acids. Resin (B) consists of (a) 75-93 wt.% vinylidene chloride; (b) 7-25 wt.% acrylonitrile and/or (meth)acrylic esters of 1-8C alkanols, opt. with up to 10 wt.% of such monomers being replaced by hydroxyethyl- or hydroxypropyl-acrylate; and (c) 0-5 wt.% of one or more of 3-5C alpha, beta-monoethylenically unsatd mono- or di-carboxylic acids or their mono- or diamides as well as 2-acrylamido-2-Me-propanesulphonic acid (2-AM Claimed prepn. of the aq. dispersion is by bringing together at least one dispersion contg. (A) with at least one dispersion contg. (B). USE/ADVANTAGE - Use of the aq. dispersion is claimed as a contact adhesive. Such adhesives have higher strength than those of EP-185465.

Laminating adhesive composition

An aqueous laminating adhesive composition for wet lamination of substrates to form a laminated article includes 40 weight percent to 65 weight percent solids dispersed in an aqueous medium, wherein the solids include 20 weight percent to 80 weight percent of a polymer having a glass transition temperature from -15° to - 40°C and wherein the polymer is selected from the group consisting of acrylic polymers and vinyl ester polymers; 2 to 20 weight percent of a plasticizer compound; and 5 weight percent to 50 weight percent of a tackifier compound.

Hot melt acrylic pressure sensitive adhesive and use thereof

The present invention provides a hot melt acrylic pressure sensitive adhesive (PSA) comprising an acrylic polymer having units derived from one or more C 1 -C 20 alkyl esters of acrylic or methacrylic acid and units derived from one or more vinyl esters corresponding to the formula (I), wherein R 1 , R 2 and R 3 each independently represent an alkyl group and the total number of carbon atoms in the vinyl ester is from 7 to 18. The PSA is particularly suitable for sticking objects to a low surface energy substrate.

Adhesive compositions

Emulsion polymerization

Vinyl C 1 to C 3 alkanoate/C 2 to C 4 alkylene copolymer emulsions e.g. vinyl acetate/ethylene, are usable as wet adhesives and pressure sensitive adhesives for a number of applications. Their bonding to the surfaces of lower polarity, e.g. polyethylene, is improved by including vinyl esters of C 4 to C 18 primary carboxylic acids as a monomer.

Aqueous dispersion adhesive, producing thereof and use thereof

A találmány szerinti vizes diszperziós ragasztóanyag pH=2–6 értéketműtat, és hőmő- vagy kőpőlimer pőlivinil-észtert, pőlimervédőkőllőidőt, a pőlimer védőkőllőiddal kőmplexet képező vízbe őldódóvegyületet, és legalább részben maszkírőzőtt, legalább 3 szénatőmős éssavas közegben szabályőzható módőn aldehidcsőpőrtőkat leadópőlialdehidet tartalmaz. A találmány kiterjed a fenti ragasztóanyagelőállítására. ŕ

Soluble and curable fluorine-containing copolymer

Safety glass adhesive

Water-soluble copolymers of salts of monoalkyl esters of maleic acid

Patent DE3713538C2

Adhesive

An adhesive composition (I) with a low volatile organic compound (VOC) content is based on a polyvinyl alcohol stabilised aqueous vinylester-ethylene-copolymer with a solids content of 30-65 wt.% with (A) 100 pts. wt. polyvinyl ester (B) 10-100 pts. wt vinylester-ethylene copolymer (C) 1-10 pt. wt. of a partially or fully saponified polyvinyl alcohol (viscosity 40-120 mPa.s, 4% aqueous solution, DIN 53015) and a degree of hydrolysis of 85-100 mol.%. A process for the preparation of (I) is also claimed by radical, aqueous emulsion polymerisation in the presence of dispersants and radical initiators. 10-100 pts. wt. of a vinyl ester of a 1-18C carboxylic acid and 0-20 pts. wt. of an ethylenically unsaturated monomer are mixed in the presence of ethylene at 20-80 bar to at least 90 mol. % conversion followed by the polymerisation of 100 pts. wt. of a vinyl ester of a 1-18C carboxylic acid and 0-50 pts. wt. of an ethylenically unsaturated monomer. 1-10 pts. wt. of (C) is added during or after polymerisation.

Emulsion polymerisation

Vinyl C1 to C3 alkanoate/C2 to C4 alkylene copolymer emulsions eg vinyl acetate/ethylene, are usable as wet adhesives and pressure sensitive adhesives for a number of applications. Their bonding to the surfaces of lower polarity, eg polyethylene, is improved by including vinyl esters of C4 to C18 primary or secondary carboxylic acids as a monomer. As the results presented in Table I indicate, a particularly preferred balance of properties, especially increased adhesion to hydrophobic substrates with little or no reduction in cohesive strength, is achieved by the use of the 2-ethyl hexanoate monomer, in accordance with a preferred embodiment of the invention.

A kind of corrugated board bonding modified epoxy acrylic ester glue and preparation method thereof

本发明公开一种瓦楞纸板粘合用改性环氧丙烯酸酯胶水及其制备方法，包括以下百分比组分：阳离子玉米淀粉5‑10％、阳离子微晶纤维素5‑10％、酚化木质素1‑3％、酪朊酸钠1‑5％、马来酸酐改性松香甘油酯2‑5％、防霉剂1‑2％、叔碳酸乙烯酯共聚乳液25‑35％、硅氟共改性环氧丙烯酸酯乳液30‑60％；所述改性环氧丙烯酸酯乳液的制备方法如下：(1)甲基丙烯酸类单体与有机硅单体、含氟醇共同反应(2)所得硅氟共改性丙烯酸酯乳液继续与水性双酚A型环氧树脂发生聚合反应。本发明采用两步法合成硅氟共改性环氧丙烯酸酯乳液，方法简单、操作便捷，且反应速率高，产物聚合度高，生产出的瓦楞纸胶水耐磨性、耐候性、防水性、防污自洁性能、抗菌防霉性能优良。

Discoloration-fast dispersion adhesives having a prolonged potlife

The invention relates to water-resistant, aqueous dispersion adhesives having a prolonged potlife and good color consistancy of the adhesive joints. Said adhesives comprise homo- and/or copolymer polyvinylester, water soluble compounds which can be complexed with protective colloids and derivatives of glyoxal and polyaldehydes having at least 3 C-atoms wherefrom aldehyde groups can be released in acidic media. Said inventive dispersion adhesives are suitable for sticking porous and semi-porous substrates.

A process for preparing laminates, and laminates so prepared

A B S T R A C T A PROCESS FOR PREPARING LAMINATES, AND LAMINATES SO PREPARED The invention provides a process for preparing laminates of at least one layer of a polyolefin and at least one layer of polyurethane and/or polyisocyanurate, comprising applying an interpolymer coating on at least one side of said layer of the polyolefin, and preparing said layer of the polyurethane and/or polyisocyanurate on top of said interpolymer coating, wherein the interpolymer coating is composed of an interpolymer prepared by bulk, solution, suspension or emulsion polymerisation of a monomer mixture that has an average solubility parameter .delta. of less than 8.1, preferably less than 8.05.

Adhesive compositions for use on vinyl substrates

ABSTRACT Adhesive compositions having a Tg of -45 to -25°C suitable for application to plasticized polyvinyl chloride comprising 30-70% by weight of a vinyl ester of a alkenoic acid; 10-30-% by weight ethylene; 20-40% by weight di-2-ethylhexyl maleate or the corresponding fumarate; and 1 to 10% by weight of a mono-carboxylic acid.

Dispersion glues, method of obtaining them and their application

Laminated glass

Complex glass

Water soluble copolymers prepared from vinyl functional monomers

Polyvinyl ester dispersion with metal salt hydrosols

Pőlivinilészter-diszperziók, melyek a periódűsős rendszer 4.mellékcsőpőrtjába tartőzó valamely fém szerves a-hidrőxi- és/vagy a-őxősavval képzett kőmplexsójának felületaktív anyagőt tartalmazóhidrőszőlját tartalmazzák, a pőlivinilészter-diszperziók rétegező- ésragasztószerként alkalmazhatók. ŕ Polyvinyl ester dispersions containing a surfactant-containing hydrogel of a metallic α-hydroxide and / or α-acid acid embrittlement of the metallic α-hydroxide and / or α-amino acid resin of the periodic system are suitable for use as a coating and adhesive. ŕ

Binders for adhesives, surfacers and plasters based on emulsion copolymers of monoolefinically unsaturated carboxylic acid esters free from halogen

1. A binder for building adhesives, troweling mixes and plasters which is based on a halogen-free emulsion copolymer of monoolefinically unsaturated carboxylates, wherein the emulsion copolymer comprises (a) from 55 to 72 % by weight of vinyl propionate, (b) from 44,9 to 27,5 % by weight of tert.-butyl acrylate, (c) from 0.1 to 0.5 % by weight of acrylic acid or methacrylic acid, and (d) from 0 to 17.5 % by weight of a monoolefinically unsaturated carboxylate from the group comprising vinyl acetate, methyl acrylate and methacrylate, n- and isobutyl acrylate and methacrylate and dibutyl maleate, the percentages being based on the total amount of the monomers.

High Performance PVOH Stabilized EVA Adhesives

An emulsion adhesive composition comprising a polyvinyl alcohol stabilized polymer emulsion; the polymer comprising 40 to 94.5% by weight of a vinyl ester of an C1 - C13 alkanoic acid, 5 to 40% by weight ethylene and 0.5 to 10% by weight N-vinyl formamide or N-vinyl pyrrolidone, the adhesive being characterized by superior adhesion and heat resistance.

Process for the preparation of cationic vinyl ester based polymer latices and their use as formaldehyde-free binders.

High solids, low viscosity, alkaline-curable, thermosetting cationic vinyl ester based polymer latices, characterized by the high molecular weight of the polymer therein, are prepared by polymerizing at least 5% of selected vinyl esters (up to C 6 ), 0.5-10% of self-crosslinking cationic quaternary ammonium monomer, and optionally a vinyl polymerizable monomer such as butyl acrylate, ethylene, acrylamide, diallyl maleate, and/or 2-hydroxyethyl acrylate. The polymerization is carried out in the presence of water, a watersoluble cationic azo initiator, a water-soluble amino thiol salt chain transfer agent, and a cationic and/or nonionic surfactant. The latices are useful as formaldehyde-free binders for polyester nonwovens.

Laminated adhesive preparation suitable for packaging

Method for producing polyvinyl ester resin emulsion

Provided is a polyvinyl ester resin emulsion which has high viscosity and has good water resistant adhesiveness, heat-resistant adhesiveness, hot water-resistant adhesiveness and storage stability, especially high-temperature storage stability, and which has good film-forming ability and is readily formed into transparent films. The emulsion is produced in a method of polymerizing a vinyl ester monomer in a mode of emulsion polymerization in the presence of a polyvinyl alcohol serving as protective colloid and in the presence of a water-insoluble, hydroxyl group-containing compound.

PRESSURE SENSITIVE, MELT APPLICABLE ADHESIVES

Patent DE3437920C2

SOLUBLE AND CURABLE COPOLYMER CONTAINING FLUORINE

Emulsion polymerisation

Vinyl C1 to C3 alkanoate/C2 to C4 alkylene copolymer emulsions eg vinyl acetate/ethylene, are usable as wet adhesives and pressure sensitive adhesives for a number of applications. Their bonding to the surfaces of lower polarity, eg polyethylene, is improved by including vinyl esters of C4 to C18 primary or secondary carboxylic acids as a monomer. As the results presented in Table I indicate, a particularly preferred balance of properties, especially increased adhesion to hydrophobic substrates with little or no reduction in cohesive strength, is achieved by the use of the 2-ethyl hexanoate monomer, in accordance with a preferred embodiment of the invention.

Biaxyally oriented polyester thermal adhesive film

결정성 폴리에스터 및 무정형 공중합 폴리에스터를 포함하는 이축연신 폴리에스터 열접착 필름은, 종래보다 투명성, 내열성, 접착강도 등이 우수하므로, 전자레인지용 레토르트 식품 포장재의 실란트로서 활용될 수 있다. 폴리에스터, 실란트, 접착, 레토르트

Water soluble copolymers prepared from vinyl functional monomers

Compositions are disclosed which are useful in coating and ink applications. Such compositions comprise a copolymer of at least one vinyl ester monomer and at least one vinyl functional acid-containing monomer in which the vinyl group is separated by at least two atoms from the acid group, the copolymer more preferably having a number average molecular weight of less than 10,000 and being substantially water soluble in the neutralized state. A particularly useful vinyl functional, carboxylic acid-containing monomer is mono vinyl adipate.

COPOLYMER CONTAINING SOLUBLE AND HARDENABLE FLUORINE.

Hydrophobic polymer compositions and a method to prepare hydrophobic polymer compositions

Free-flowing beads of hydrophobic polymers having high chemical and optical purity are provided. The hydrophobic polymers are homopolymers or copolymers of monomers having a water solubility of less than 0.01 g/100g H 2 O. A method to prepare the hydrophobic polymer beads without use of surfactants or micelle forming agents is also provided.

Adhesive compositions for use on vinyl substrates

Adhesive compositions having a Tg of -45 to -25 DEG C suitable for application to plasticized polyvinyl chloride comprising 30-70% by weight of a vinyl ester of an alkanoic acid; 10-30% by weight ethylene; 20-40% by weight di-2-ethylhexyl maleate or the corresponding fumarate; and 1 to 10% by weight of a mono-carboxylic acid.

一种高耐水性食品级环保白乳胶及其制备方法

本申请涉及一种高耐水性食品级环保白乳胶及其制备方法，包括以下步骤：S1：将聚乙烯醇和水混合溶胀5~10min，然后在85~95℃的温度下，搅拌100~150min，然后加入丙烯酸‑2‑异氰酸乙酯搅拌10~15min并反应1~2h，得到改性聚乙烯醇水溶液；S2：将改性聚乙烯醇水溶液、过氧化氢溶液混合，搅拌15~30min，然后在60~80℃的温度下，边搅拌边滴加叔碳酸乙烯酯混合物，反应4~5h；S3：将步骤S2的所得物、碳酸钙、微晶纤维素、甲壳素‑魔芋粉聚合物混合，搅拌20~30min，得到白乳胶；S4：在0.005~0.015MPa的真空度下，对白乳胶进行真空汽提，维持30~45min，得到食品级的白乳胶，本申请制备方法制备的食品级的白乳胶满足FDA标准要求，绿色环保，并且具有较高的耐水性、粘合性和强度。

一种自固化聚合物在pbt塑料与硅橡胶的粘接中的应用

本发明涉及一种自固化聚合物在PBT塑料与硅橡胶的粘接中的应用，属于材料粘接技术领域。本发明的应用所采用的自固化聚合物采用包括以下步骤的制备方法制得：将式I所示化合物、单烯基羧酸、单烯基叔胺、含单烯基羧酸酯在引发剂的作用下于有机溶剂中在70～90℃进行自由基聚合反应，即得。本发明的采用的自固化聚合物分子中的环氧基可与聚对苯二甲酸丁二醇酯(PBT)中的端羧基发生反应，在界面处形成共价键，并且聚合物分子的环氧基、聚合物分子中的羧基、聚合物中羧基与环氧基反应生成的羟基，均可与硅橡胶中残留的硅羟基间发生缩合反应，在界面处生成酯键或醚键的共价键，基于上述特性，可以用于PBT与硅橡胶之间的粘接。

Acrylischer druckempfindlicher schmelzklebstoff und seine verwendung

Copolymermischung

Verfahren zur herstellung von wässrigen, schutzkolloid-stabilisierten vinylester-homo- und -co-polymerdispersionen

Polyvinyl ester adhesive

Hydrophobic polymer compositions and a method to prepare hydrophobic polymer compositions

Free-flowing beads of hydrophobic polymers having high chemical and optical purity are provided. The hydrophobic polymers are homopolymers or copolymers of monomers having a water solubility of less than 0.01 g/100 g H 2 O. A method to prepare the hydrophobic polymer beads without use of surfactants or micelle forming agents is also provided.

Dispersionsklebstoffe

Copolimero contenente fluoro solubile e induribile.

Polivinilészter-diszperzió fémsó-hidroszolokkal

Pőlivinilészter-diszperziók, melyek a periódűsős rendszer 4.mellékcsőpőrtjába tartőzó valamely fém szerves a-hidrőxi- és/vagy a-őxősavval képzett kőmplexsójának felületaktív anyagőt tartalmazóhidrőszőlját tartalmazzák, a pőlivinilészter-diszperziók rétegező- ésragasztószerként alkalmazhatók. ŕ

Heterogene polyvinylester-dispersionen und - pulver

Verfahren zur herstellung von wässrigen, schutzkolloid-stabilisierten vinylester-homo- und -co-polymerdispersionen

Die Erfindung betrifft ein Verfahren zur Herstellung von wässrigen, Schutzkolloid-stabilisierten Vinylester-Homo- und -Co-Polymerdispersionen mit definiertem Festgehalt durch Emulsionspolymerisation in Gegenwart von Schutzkolloid, dadurch gekennzeichnet, daß eine Dispersion mit niedrigerem als dem definierten Festgehalt hergestellt wird, und die Dispersion nach Abschluß der Polymerisation durch Zugabe von in Wasser redispergierbarem Polymerpulver der gleichen Polymerzusammensetzung wie das Emulsionspolymerisat auf den definierten Festgehalt verdickt wird.