公开(公告)号：US20170218235A1

公开(公告)日：2017-08-03

申请号：US15491092

申请日：2017-04-19

Applicant: BASF SE

Inventor： Matthias Gerst ,  Michael Gross ,  Rafael Galvan

IPC: C09J133/08 ,  B32B37/12 ,  C09J5/00

CPC classification number: C09J133/08 ,  B32B37/12 ,  B32B2037/1269 ,  B32B2333/08 ,  C08F2/06 ,  C08K3/28 ,  C08L33/08 ,  C09J5/00 ,  C09J133/02 ,  C09J133/14 ,  C09J2433/00 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/06 ,  C08F2222/1013 ,  C08F2220/1858

Abstract: Disclosed herein are compositions comprising a first copolymer derived from monomers comprising a (meth)acrylate monomer, an acid monomer, and optionally at least one additional monomer selected from the group consisting of styrene, α-methyl-styrene, vinyl toluene, and mixtures thereof, wherein the first copolymer is derived in the absence of a molecular weight regulator and wherein the first copolymer has a weight average molecular weight of less than 10,000 Daltons, and methods of making the same. The compositions and methods disclosed can be used, for instance, in pressure-sensitive adhesive applications.

公开(公告)号：US20160115310A1

公开(公告)日：2016-04-28

申请号：US14987394

申请日：2016-01-04

Applicant: BASF SE

Inventor： Matthias Gerst ,  Gerhard Auchter ,  Gledison Fonseca ,  Cornelis Petrus Beyers

IPC: C08L33/12 ,  C08L25/04

CPC classification number: C08L33/12 ,  C08F220/12 ,  C08L25/04 ,  C09J133/066 ,  Y10T428/2852

Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, such as plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below −10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight have a particle diameter of below 350 nm.

Abstract translation: 本发明涉及聚合物含量为至少55重量％的聚合物分散体，其适用于压敏粘合剂。 本发明还涉及一种制备这些含水聚合物分散体的方法，还涉及使用压敏粘合剂中的聚合物水分散体和压敏粘合剂组合物，特别是用于透明基材例如塑料标签的压敏粘合剂。 聚合物水分散体的聚合物含量至少为55重量％，基于分散体的总重量，聚合物由烯键式不饱和单体M组成并具有低于-10℃的玻璃化转变温度，其中 分散的聚合物颗粒具有多晶粒度分布，其中至少70重量％的粒径小于350nm。

公开(公告)号：US11787984B2

公开(公告)日：2023-10-17

申请号：US16482119

申请日：2018-01-02

Applicant: BASF SE

Inventor： Matthias Gerst ,  Stephan Moebius ,  Dirk Wulff ,  Michael Gross

IPC: C09J133/10 ,  C08F2/22 ,  C09J133/02 ,  C08K3/011 ,  C09J133/08 ,  C09J125/14 ,  C09J11/08 ,  C09J7/38 ,  C08K5/098

CPC classification number: C09J133/10 ,  C08F2/22 ,  C08K3/011 ,  C09J7/385 ,  C09J11/08 ,  C09J125/14 ,  C09J133/02 ,  C09J133/08 ,  C08K5/098 ,  C09J2203/334 ,  C09J2301/312 ,  C09J2301/408 ,  C09J2425/00 ,  C09J2433/00

Abstract: A description is given of a one-component pressure-sensitive adhesive composition in the form of an aqueous polymer dispersion comprising at least one pressure-sensitive adhesive polymer which is formed by emulsion polymerization of soft (meth)acrylic ester monomers, methacrylic acid, and optionally further monomers, where the polymerization takes place in the presence of chain transfer agents or styrene. The pressure-sensitive adhesive polymer has a gel content which is based at least partly on a reversible crosslinking via metal salts. The one-component pressure-sensitive adhesive composition can be used for producing adhesive labels, adhesive tapes or adhesive foils.

公开(公告)号：US10093839B2

公开(公告)日：2018-10-09

申请号：US15491092

申请日：2017-04-19

Applicant: BASF SE

Inventor： Matthias Gerst ,  Michael Gross ,  Rafael Galvan

IPC: A01H5/00 ,  B32B27/00 ,  C08L33/02 ,  C08F20/26 ,  C09J133/08 ,  C09J5/00 ,  B32B37/12

Abstract: Disclosed herein are compositions comprising a first copolymer derived from monomers comprising a (meth)acrylate monomer, an acid monomer, and optionally at least one additional monomer selected from the group consisting of styrene, α-methyl-styrene, vinyl toluene, and mixtures thereof, wherein the first copolymer is derived in the absence of a molecular weight regulator and wherein the first copolymer has a weight average molecular weight of less than 10,000 Daltons, and methods of making the same. The compositions and methods disclosed can be used, for instance, in pressure-sensitive adhesive applications.

公开(公告)号：US09605188B2

公开(公告)日：2017-03-28

申请号：US13758493

申请日：2013-02-04

Applicant: BASF SE

Inventor： Matthias Gerst ,  Michael Gross

IPC: C09J133/12 ,  C09J7/02 ,  C09J133/02

CPC classification number: C09J133/12 ,  C08L2201/54 ,  C09J7/385 ,  C09J133/02 ,  Y10T428/2891

Abstract: Described is an aqueous dispersion comprising at least one polymer dispersed in water and having a weight-average molecular weight of less than 50 000 and a glass transition temperature of −40° C. to 0° C., preparable by emulsion polymerization in the presence of at least one chain transfer agent of a monomer mixture comprising at least 40% by weight of C1 to C20 alkyl (meth)acrylates, 0% to 30% by weight of vinylaromatics, at least 0.1% by weight of acid monomers, and 0% to 50% by weight of further monomers. The dispersion can be used in particular as a tackifier for adhesives.

公开(公告)号：US11884846B2

公开(公告)日：2024-01-30

申请号：US17047614

申请日：2019-04-10

Applicant: BASF SE

Inventor： Matthias Gerst ,  Dirk Wulff

IPC: C09J133/26 ,  C09J7/38 ,  C09J133/10 ,  C08K5/07 ,  C08K5/26

CPC classification number: C09J133/26 ,  C09J7/385 ,  C09J133/10 ,  C08K5/07 ,  C08K5/26 ,  C09J2433/00

Abstract: Described is an adhesive composition in the form of an aqueous polymer dispersion comprising tackifiers, a compound crosslinking via keto or aldehyde groups and a pressure-sensitive adhesive polymer which is formed by emulsion polymerization from soft (meth)acrylic ester monomers, acid monomers, monomers having keto or aldehyde groups, styrene and optionally further monomers, wherein the polymerization may be carried out in the presence of chain transfer agents. The pressure-sensitive adhesive polymer has certain gel contents. The pressure-sensitive adhesive composition may be used to produce adhesive labels, adhesive tapes or adhesive films.

公开(公告)号：US09657204B2

公开(公告)日：2017-05-23

申请号：US14405732

申请日：2013-05-29

Applicant: BASF SE

Inventor： Matthias Gerst ,  Michael Gross ,  Rafael Galvan

IPC: C08F20/26 ,  C08L33/02 ,  A01H5/00 ,  B32B27/00 ,  C09J133/14 ,  C08F2/06 ,  C09J133/02 ,  B32B37/12 ,  C08K3/28

CPC classification number: C09J133/08 ,  B32B37/12 ,  B32B2037/1269 ,  B32B2333/08 ,  C08F2/06 ,  C08K3/28 ,  C08L33/08 ,  C09J5/00 ,  C09J133/02 ,  C09J133/14 ,  C09J2433/00 ,  C08F2220/1825 ,  C08F220/14 ,  C08F220/06 ,  C08F2222/1013 ,  C08F2220/1858

Abstract: Disclosed herein are compositions comprising a first copolymer derived from monomers comprising a (meth)acrylate monomer, an acid monomer, and optionally at least one additional monomer selected from the group consisting of styrene, a-methyl-styrene, vinyl toluene, and mixtures thereof, wherein the first copolymer is derived in the absence of a molecular weight regulator and wherein the first copolymer has a weight average molecular weight of less than 10,000 Daltons, and methods of making the same. The compositions and methods disclosed can be used, for instance, in pressure-sensitive adhesive applications.

公开(公告)号：US20150284482A1

公开(公告)日：2015-10-08

申请号：US14432666

申请日：2013-09-27

Applicant: BASF SE

Inventor： Oral Aydin ,  Andrea Schindler ,  Florian Buesch ,  Juergen Siroky ,  Matthias Gerst

IPC: C08F2/22

CPC classification number: C08F2/22 ,  C08F220/18

Abstract: A description is given of a process for preparing an aqueous polymer dispersion having a high solids content of greater than 60 wt. %. In this process, a dispersed polymer is prepared by radical emulsion polymerization in the presence of a polymeric protective colloid. The polymer is formed to an extent of at least 80 wt. % of (meth)acrylate ester monomers and the polymeric protective colloid is formed from acid monomers and to an extent of at least 10 wt. % from (meth)acrylate ester monomers, and the sum of (meth)acrylate ester monomers and acid monomers in the protective colloid is at least 80 wt. %. The emulsion polymerization takes place in a monomer feed process, the initial rate of the monomer feed being lower than the final rate.One of the possible uses of the aqueous polymer dispersions is as adhesives.

Abstract translation: 给出了一种制备高固含量大于60重量％的聚合物水分散体的方法。 ％。 在该方法中，在聚合物保护胶体存在下通过自由基乳液聚合制备分散的聚合物。 聚合物的形成程度至少为80wt。 （甲基）丙烯酸酯单体的％，聚合物保护胶体由酸单体形成，至少10重量％ （甲基）丙烯酸酯单体的％，保护胶体中的（甲基）丙烯酸酯单体和酸单体之和为至少80重量％。 ％。 乳液聚合在单体进料过程中进行，单体进料的初始速率低于最终速率。 水性聚合物分散体的可能用途之一是粘合剂。

公开(公告)号：US11787983B2

公开(公告)日：2023-10-17

申请号：US17633972

申请日：2020-08-10

Applicant: BASF SE

Inventor： Karl-Heinz Schumacher ,  Matthias Gerst ,  Peter Preishuber-Pfluegl ,  Kevin Payne ,  Timothy Klots

IPC: C09J133/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B27/36 ,  B32B37/12 ,  B32B37/24

CPC classification number: C09J133/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B27/36 ,  B32B37/1284 ,  B32B37/24 ,  B32B2037/243 ,  B32B2250/02 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/748

Abstract: A description is given of a method of making film laminates using a lamination adhesive comprising (a) at least one acrylic polymer A with anhydride groups which are reactive with primary or secondary amine groups; and (b) at least one compound B with at least two amine groups selected from primary and secondary amine groups. The acrylic polymer A has a molecular weight of from 3000 to 50000 and the lamination adhesive is free of organic solvents, free of water and free of compounds with isocyanate groups.

公开(公告)号：US10377914B2

公开(公告)日：2019-08-13

申请号：US14913555

申请日：2014-08-13

Applicant: BASF SE

Inventor： Daniel Kehrloesser ,  Joost Leswin ,  Daniel Specker ,  Konrad Roschmann ,  Matthias Gerst ,  Harm Wiese

IPC: C09D133/12 ,  C08F265/06 ,  C09D125/14 ,  C09D7/42

Abstract: The present invention relates to a method of producing emulsion polymer particles having a core-shell structure wherein at least one polyalkylene oxide containing additive is used in the core, and also to their use in paints, paper coatings, foams, crop protection agents, liquid inks and cosmetic compositions.