公开(公告)号：US20180066166A1

公开(公告)日：2018-03-08

申请号：US15558326

申请日：2016-03-08

Applicant: BASF SE

Inventor： Matthias ZORN ,  Karl-Heinz SCHUMACHER

IPC: C09J139/04 ,  C09J137/00 ,  C08F265/06

CPC classification number: C09J139/04 ,  C08F265/06 ,  C09D151/003 ,  C09J137/00 ,  C09J2205/31 ,  C08F2220/1825 ,  C08F220/18 ,  C08F212/08 ,  C08F224/00 ,  C08F226/06

Abstract: Described are aqueous polymer dispersions for composite film lamination and a multistage process for preparing them from ethylenically unsaturated, radically polymerizable monomers. In a first stage, a first polymer is prepared by radical emulsion polymerization. In a further stage, an aqueous polymer dispersion is prepared in the presence of the first polymer. The monomers of the first stage comprise monomers with acid groups. The monomers of the further stage comprise monomers having oxazoline 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 before the polymerization of the further stage. The aqueous polymer dispersions can be used as adhesives for producing composite films.

公开(公告)号：US20190002743A1

公开(公告)日：2019-01-03

申请号：US16063008

申请日：2016-12-07

Applicant: BASF SE

Inventor： Christine TONHAUSER ,  Karl-Heinz SCHUMACHER ,  Georg LANGHAUSER ,  Sindy SCHUSTER ,  Christoph KIENER ,  Matthias ZORN

IPC: C09J133/08 ,  C08F220/18 ,  B32B7/12

Abstract: 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.

公开(公告)号：US20170152333A1

公开(公告)日：2017-06-01

申请号：US15321116

申请日：2015-06-24

Applicant: BASF SE

Inventor： Matthias ZORN ,  Yvonne DIECKMANN ,  Iris PETERS-STEUER ,  Kathrin MICHL

IPC: C08F220/18 ,  C09D125/14 ,  C09J125/14 ,  C09D133/12 ,  C08F212/08 ,  C09J133/12

CPC classification number: C08F220/18 ,  C08F212/08 ,  C08F220/38 ,  C08F2810/20 ,  C09D125/14 ,  C09D133/12 ,  C09J125/14 ,  C09J133/12 ,  C09J2205/114 ,  C09J2425/00 ,  C09J2433/00 ,  C08F2220/387 ,  C08F220/14 ,  C08F226/06 ,  C08F2220/1825 ,  C08F220/06 ,  C08F220/56

Abstract: The present application relates to novel copolymers and processes for the preparation thereof, where the copolymers comprise, as building blocks: a C1-20-alkyl (meth)acrylate and/or C8-20-vinylaromatics (monomer a); a monoethylenically unsaturated, hydrophilic monomer comprising at least one sulfonic acid group (—SO3M) (monomer b); and a monoethylenically unsaturated monomer comprising at least one oxazoline group (monomer c); and where the fraction of the monomers a) and b) is in total less than 50% by weight, based on the total amount of the monomers in the copolymer A.

公开(公告)号：US20200291220A1

公开(公告)日：2020-09-17

申请号：US16765785

申请日：2018-11-19

Applicant: BASF SE

Inventor： Matthias ZORN ,  Armin A. BURGHART ,  Timo MANGEL ,  Felix LAUBERSHEIMER

IPC: C08L33/14 ,  C08F220/34 ,  C08F220/06 ,  C08F220/18 ,  C08F220/14 ,  C08F8/30 ,  C08F2/00 ,  C08K3/013 ,  C08K3/26 ,  C08K3/34 ,  C08K3/22 ,  C08K5/3412 ,  C09D133/14

Abstract: The present invention relates to aqueous acrylic polymer latexes, which are suitable as binders in coating compositions for providing flexible roofing. The present invention also relates to coating compositions containing such binders, which are suitable for providing flexible roofing. The aqueous acrylic polymer latexes have a glass transition temperature Tg of at most from −10° C., in particular at most −20° C., or, in case of a multi-stage polymer latex a weight average glass transition temperature Tg of at most from −10° C., where the polymer of the acrylic polymer latex has a carbon polymer backbone formed by polymerized ethylenically unsaturated e monomers M comprising acrylic monomers, and where the carbon polymer backbone bears functional groups of the formula (I) attached to carbon atoms of the polymer backbone *—C(═O)—O—[A-NH]nH (I) where the asterisk indicates the atom attached to a carbon atom of the polymer backbone, n is an integer, the number average of n in all functional groups of the formula (I) being >1, in particular at least 1.1 or at least 1.2 or at least 1.3, and A is selected from the group consisting of 1,2-ethandiyl or 1,2-propandiyl, where the functional groups of the formula (I) contribute to the total weight of the polymer in the acrylic polymer latex by 0.1 to 10% by weight.

公开(公告)号：US20200123280A1

公开(公告)日：2020-04-23

申请号：US15746920

申请日：2016-07-26

Applicant: BASF SE

Inventor： Matthias ZORN ,  Kathrin MICHL ,  Christian BRAND

IPC: C08F2/22 ,  C08F224/00 ,  C08F226/06 ,  C08F220/56 ,  C08F257/02 ,  C08F212/08 ,  C08F220/18

Abstract: A process for preparing aqueous dispersions of polymers containing oxazoline groups, by aqueous emulsion polymerization initiated by free radicals. The polymerization are carried out in two stages. In the first polymerization stage, an α,β-monoethylenically unsaturated compound having at least one acid group, an monoethylenically unsaturated compound having at least one carboxylic acid amide group, a monoethylenically unsaturated compound having at least one carboxylic acid amide group are copolymerized. In the second polymerization stage, a monoethylenically unsaturated compound having at least one oxazoline group, a monoethylenically unsaturated compound having at least one carboxylic acid amide group and an ethylenically unsaturated compound are copolymerized with the final product from the first polymerization stage.

公开(公告)号：US20180118985A1

公开(公告)日：2018-05-03

申请号：US15565433

申请日：2016-04-13

Applicant: BASF SE

Inventor： Matthias ZORN ,  Karl-Heinz SCHUMACHER

IPC: C09J151/00 ,  C08L51/00 ,  B32B7/12

CPC classification number: C09J151/003 ,  B32B7/12 ,  B32B27/08 ,  B32B2255/10 ,  B32B2255/26 ,  C08F265/06 ,  C08L51/003 ,  C08L2201/54 ,  C09D151/003 ,  C08F2220/1825 ,  C08F220/18 ,  C08F212/08 ,  C08L33/14

Abstract: Described are aqueous polymer dispersions for composite film lamination, comprising a dispersed polymer and a dissolved polymer, and also a multistage process for preparing them from ethylenically unsaturated, radically polymerizable monomers. In a first stage, a first polymer is prepared by radical emulsion polymerization. In a second stage, an aqueous polymer dispersion is prepared in the presence of the first polymer. The monomers of the first stage comprise monomers with acid groups. The dissolved polymer comprises monomers having oxazoline groups, and also water-soluble monomers. The aqueous polymer dispersions can be used as adhesive for producing composite films.