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1. 发明申请

US20180371147A1 AQUEOUS POLYMER DISPERSION FOR ADHESIVE COMPOUNDS 审中-公开
公开(公告)号：US20180371147A1
公开(公告)日：2018-12-27
申请号：US16062172
申请日：2016-12-14
申请人： BASF SE
发明人： Christine TONHAUSER , Konrad ROSCHMANN , Dirk WULFF , Gemma SANDERS , Kimberly SIMANCAS , Kristina GEORGIEVA , Ulrike LICHT , Heinrich HARRER
IPC分类号： C08G18/08 , C08G18/48 , C08G18/63 , C08G18/73 , C08G18/76 , C08G18/32 , C08F283/00 , C09J7/38 , C09J175/04
摘要： Disclose herein are aqueous polymer dispersions for pressure-sensitive adhesives, as well as processes for the preparation of the aqueous polymer dispersions, and use of the aqueous polymer dispersions.

2. 发明申请

US20190136082A1 AQUEOUS COATING COMPOSITIONS CONTAINING POLYMER DISPERSION WITH LOW ELECTRICAL CONDUCTIVITY AND PHYLLOSILICATES FOR OXYGEN BARRIER COATINGS 审中-公开
公开(公告)号：US20190136082A1
公开(公告)日：2019-05-09
申请号：US16300393
申请日：2017-04-28
申请人： BASF SE
发明人： Ines PIETSCH , Konrad ROSCHMANN , Christine TONHAUSER , Kristina GEORGIEVA , Josef BREU , Patrick FEICHT
IPC分类号： C09D125/14 , C09D133/08 , C09D7/61
摘要： Described is an aqueous coating composition comprising an aqueous dispersion of a radically polymerized addition polymer and phyllosilicate. The aqueous polymer dispersion has a particularly low electrical conductivity. The composition can be used for providing oxygen barrier properties to polymer films.

3. 发明申请

US20200291262A1 ONE-COMPONENT AQUEOUS COATING COMPOSITIONS CONTAINING POLYURETHANE AND PHYLLOSILICATES FOR OXYGEN BARRIER COATINGS 审中-公开
公开(公告)号：US20200291262A1
公开(公告)日：2020-09-17
申请号：US16075088
申请日：2017-01-25
申请人： BASF SE
发明人： Ines PIETSCH , Konrad ROSCHMANN , Christine TONHAUSER , Kristina GEORGIEVA , Josef BREU , Patrick FEICHT
IPC分类号： C09D175/08 , C08G18/44 , C08K5/17 , C08G18/48 , C08G18/56 , C08G18/75 , C08G18/76 , C08G18/72 , C08K3/36 , C09D175/06 , C09D175/14 , C09D7/61
摘要： Described is an aqueous one-component coating composition comprising dispersed polyurethane and phyllosilicate. The polyurethane carries acid groups which are at least partially neutralized with a hydrophilic base selected from inorganic bases and organic mono-amines. The hydrophilic base has a water solubility at 20° C. of at least 150 g/l, preferably of at least 200 g/l. The composition can be used for providing oxygen barrier properties to a polymer film.

4. 发明申请

US20190016931A1 USE OF A SINGLE-COMPONENT LAMINATING ADHESIVE FOR COMPOSITE FILM LAMINATION 审中-公开
公开(公告)号：US20190016931A1
公开(公告)日：2019-01-17
申请号：US16069320
申请日：2017-01-10
申请人： BASF SE
发明人： Karl-Heinz SCHUMACHER , Christine TONHAUSER , Christoph KIENER , Peter PREISHUBER-PFLUEGL , Andrea KUNTZ
IPC分类号： C09J133/10 , C09J133/08 , B32B37/12 , B32B7/12 , B32B27/36
摘要： A description is given of the use of a one-component laminating adhesive for composite film lamination, and also of a method for composite film lamination. The laminating adhesive comprises an aqueous polymer dispersion preparable by radical emulsion polymerization of monomers comprising (a) at least 60 wt %, based on the total amount of monomers, of at least one monomer selected from the group consisting of C1 to C20 alkyl acrylates, C1 to C20 alkyl methacrylates, vinyl esters of carboxylic acids comprising up to 20 carbon atoms, vinylaromatics having up to 20 carbon atoms, vinyl halides, vinyl ethers of alcohols comprising 1 to 10 carbon atoms, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds, and mixtures of these monomers, and (b) at least 0.1 wt %, based on the total amount of monomers, of at least one monomer having at least one acid group, and (c) 0.1 to 5 wt %, based on the total amount of monomers, of at least one ethylenically unsaturated compound having at least one functional group selected from keto groups and aldehyde groups; where the aqueous polymer dispersion comprises at least one compound A which has at least two functional groups that are able to enter into a crosslinking reaction with keto groups or with aldehyde groups; where the molar ratio of the groups of the compound A that are reactive with keto groups or with aldehyde groups to the keto and aldehyde groups of the monomer (b) is from 1:10 to 2:1; and where, in the composite film lamination, at least two films are bonded to one another with the laminating adhesive so firmly that the peel strength is 2.5 N/15 mm or more or that the films bonded to one another are partable only with destruction of at least one of the films. The composite films can be used for the packing of foods.

5. 发明申请

US20190002743A1 LOW-EMULSIFIER AQUEOUS POLYMER DISPERSIONS FOR PRODUCTION OF COMPOSITE FILMS 审中-公开
公开(公告)号：US20190002743A1
公开(公告)日：2019-01-03
申请号：US16063008
申请日：2016-12-07
申请人： BASF SE
发明人： Christine TONHAUSER , Karl-Heinz SCHUMACHER , Georg LANGHAUSER , Sindy SCHUSTER , Christoph KIENER , Matthias ZORN
IPC分类号： C09J133/08 , C08F220/18 , B32B7/12
摘要： Described are aqueous polymer dispersions and a method for producing them. The polymer dispersions comprise polymer particles having an average particle diameter of greater than 200 nm, monomodal particle size distribution, and uniform glass transition temperature, and are prepared by radical emulsion polymerization of a monomer mixture comprising ethylenically unsaturated, radically polymerizable monomers, using a polymer seed, less than 0.8 part by weight of emulsifier, and without protective colloids. The monomer mixture consists of a) at least 60 wt % of at least one monomer selected from the group consisting of C1 to C20 alkyl acrylates, C1 to C20 alkyl methacrylates, vinyl esters of carboxylic acids containing up to 20 carbons, vinylaromatics having up to 20 carbons, ethylenically ensaturated nitriles, vinyl halides, vinyl ethers of alcohols containing 1 to 10 carbons, aliphatic hydrocarbons having 2 to 8 carbons and one or two double bonds, and mixtures of these monomers, b) at least 0.1 wt % of at least one monomer having at least one acid group; c) optionally further monomers, the acid groups of the monomers b) being wholly or partly neutralized during the emulsion polymerization. The aqueous polymer dispersions can be used as adhesives, more particularly for the production of composite films.

6. 发明申请

US20180258322A1 PROTECTIVE ADHESIVE FILM 审中-公开
公开(公告)号：US20180258322A1
公开(公告)日：2018-09-13
申请号：US15542131
申请日：2015-12-07
申请人： BASF SE
发明人： Christine TONHAUSER , Petra ARNOLD , Holger KERN , Michael GROSS
IPC分类号： C09J7/25 , C09J7/38 , C09J175/04 , C08F220/18
CPC分类号： C09J7/25 , C08F220/18 , C08F2220/1825 , C08G18/625 , C08G18/6484 , C08G18/706 , C08G18/792 , C08G2170/40 , C08G2170/80 , C09J7/22 , C09J7/38 , C09J133/02 , C09J175/04 , C09J2201/122 , C09J2203/314 , C09J2403/00 , C09J2433/00 , C08F220/06 , C08F2220/1858
摘要： Disclosed herein is a pressure-sensitively adhesive protective film formed from a polymer film coated with a crosslinked pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition contains a pressure-sensitive adhesive polymer which is formed by emulsion polymerization in the presence of saccharified starch from soft monomers which when polymerized as a homopolymer have a glass transition temperature of less than 0° C., from ethylenically unsaturated acids or acid anhydrides, and optionally further monomers different from (i) and (ii). The pressure-sensitive adhesive composition contains defined crosslinkers, with the crosslinking reaction brought about by the crosslinker being at an end before the pressure-sensitively adhesive protective film is adhered to a substrate.

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