公开(公告)号：US20160115310A1

公开(公告)日：2016-04-28

申请号：US14987394

申请日：2016-01-04

申请人： BASF SE

发明人： Matthias Gerst ,  Gerhard Auchter ,  Gledison Fonseca ,  Cornelis Petrus Beyers

IPC分类号： C08L33/12 ,  C08L25/04

CPC分类号： C08L33/12 ,  C08F220/12 ,  C08L25/04 ,  C09J133/066 ,  Y10T428/2852

摘要： 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.

摘要翻译： 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：US09574077B2

公开(公告)日：2017-02-21

申请号：US14987394

申请日：2016-01-04

申请人： BASF SE

发明人： Matthias Gerst ,  Gerhard Auchter ,  Gledison Fonseca ,  Cornelis Petrus Beyers

IPC分类号： C08F2/16 ,  C08L19/02 ,  C08L25/04 ,  C08L33/12 ,  C08F220/12 ,  C09J133/06

CPC分类号： C08L33/12 ,  C08F220/12 ,  C08L25/04 ,  C09J133/066 ,  Y10T428/2852

摘要： 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.

摘要翻译： 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。