公开(公告)号：US20060047065A1

公开(公告)日：2006-03-02

申请号：US11194920

申请日：2005-08-02

申请人： Wiebke Becker ,  Volker Duecoffre ,  George Hendrickx ,  Josef Huybrechts ,  Birgit Kleuser ,  Johan Rommens ,  Ann Vaes

发明人： Wiebke Becker ,  Volker Duecoffre ,  George Hendrickx ,  Josef Huybrechts ,  Birgit Kleuser ,  Johan Rommens ,  Ann Vaes

IPC分类号： C08G18/08

CPC分类号： C09D175/04 ,  C08F212/08 ,  C08F257/02 ,  C08G18/6254 ,  C08G18/722 ,  C08G18/73 ,  C08G18/755 ,  C08G18/7837 ,  C08G18/792 ,  C08K5/29 ,  C08L75/00 ,  C08L2312/00 ,  C09D4/06 ,  C09D133/02 ,  C09D133/068 ,  C08F2/06 ,  C08F220/18 ,  C08L33/06 ,  C08F265/06 ,  C08L2666/20

摘要： The invention is directed to aqueous coating composition comprising A) at least one water-dilutable (meth)acrylate copolymer and B) at least one polyisocyanate cross-linking agent with free isocyanate groups, wherein the (meth)acrylate copolymer comprise a) 10-80% by weight of at least one reaction product of a monoepoxyester and an unsaturated acid functional monomer b) 0-40% by weight of at least one hydroxy functional unsaturated monomer which is different from component a), c) 1-8% by weight of at least one unsaturated acid functional monomer and d) 0-70% by weight of at least one other polymerisable unsaturated monomer, wherein the % by weight of components A) and B) and of components a) to d) is adding up to 100% by weight and wherein the (meth)acrylate copolymer is prepared by a skew feed polymerization process with at least two feed streams and wherein one feed stream comprises the main quantity, namely 60-100% by weight of component a), based on the total amount of component a) and the lower amount, namely 0-30% by weight of the unsaturated acid functional monomer c) based on the total amount of monomer c).

摘要翻译： 本发明涉及包含A）至少一种水可稀释（甲基）丙烯酸酯共聚物和B）至少一种具有游离异氰酸酯基团的多异氰酸酯交联剂的水性涂料组合物，其中（甲基）丙烯酸酯共聚物包含a）10- 80重量％的单环氧酯和不饱和酸官能单体的至少一种反应产物b）0-40重量％的至少一种不同于组分a）的羟基官能不饱和单体，c）1-8％由 至少一种不饱和酸官能单体的重量和d）0-70％重量的至少一种其它可聚合不饱和单体，其中组分A）和B）和组分a）至d）的重量百分比是相加的 至100重量％，并且其中（甲基）丙烯酸酯共聚物通过具有至少两个进料流的偏斜进料聚合方法制备，并且其中一个进料流包含主要量，即组分a）的基于60-100重量％ 对组分a的总量 ），较低的量，即0-30重量％的不饱和酸官能单体c），基于单体c）的总量。