首页> 外国专利> Aqueous electrocoating lacquer for anodic deposition comprising an aqueous dispersion of an anionic modified polyurethane (meth)acrylate, a reactive diluent and a photoinitiator and/or a thermally activated radical initiator

Aqueous electrocoating lacquer for anodic deposition comprising an aqueous dispersion of an anionic modified polyurethane (meth)acrylate, a reactive diluent and a photoinitiator and/or a thermally activated radical initiator

机译：用于阳极沉积的水性电涂漆，其包含阴离子改性的聚氨酯（甲基）丙烯酸酯的水分散体，反应性稀释剂和光引发剂和/或热活化的自由基引发剂

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摘要

Electrocoating compositions based on an aqueous dispersion of anionic modified polyurethane(meth)acrylates with terminal ethylenically unsaturated (meth)acrylic double bonds bound to the anionic modified polyurethane prepolymer via urethane-, urea-, amide- or ester groups. Aqueous electrocoating lacquers for anodic deposition, comprising (A) an aqueous dispersion containing one or more anionic modified polyurethane(meth)acrylates (a1) with terminal ethylenically unsaturated (meth)acrylic double bonds bound to the anionic modified polyurethane prepolymer via urethane-, urea-, amide- or ester groups and one or more reactive diluents (a2) with at least two ethylenically unsaturated (meth)acrylic double bonds, the (meth)acrylic double bonds in the mixture of (a1) and (a2) having a bromine number of 20-150 g Br/100 g solids, (B) optionally one or more photoinitiators and/or optionally one or more thermally activated radical initiators, and (C) optionally conventional assistants, additives, pigments and/or fillers.

机译：基于具有端基烯键式不饱和（甲基）丙烯酸双键的阴离子改性聚氨酯（甲基）丙烯酸酯的水分散体的电涂料组合物，所述末端烯键式不饱和（甲基）丙烯酸双键通过氨基甲酸酯，脲，酰胺或酯基与阴离子改性聚氨酯预聚物结合。用于阳极沉积的水性电涂漆，包括（A）包含一种或多种阴离子改性聚氨酯（甲基）丙烯酸酯（a1）的水性分散体，所述阴离子改性聚氨酯（甲基）丙烯酸酯的末端烯键式不饱和（甲基）丙烯酸双键通过氨基甲酸酯，脲与阴离子改性聚氨酯预聚物键合-，酰胺-或酯基和具有至少两个烯键式不饱和（甲基）丙烯酸双键的一种或多种反应性稀释剂（a2），（a1）和（a2）的混合物中的（甲基）丙烯酸双键具有溴数量为20-150 g Br / 100 g的固体，（B）任选一种或多种光引发剂和/或任选一种或多种热活化自由基引发剂，和（C）任选地常规助剂，添加剂，颜料和/或填料。

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公开/公告号DE19856990A1

专利类型
公开/公告日2000-06-15

原文格式PDF
申请/专利权人 HERBERTS GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG;
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申请/专利号DE1998156990
发明设计人 VOGT-BIRNBRICH BETTINA;REKOWSKI VOLKER;SAATWEBER DIETRICH;SIMMROCK HANS-ULRICH;FIEBERG ANDREAS;
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申请日1998-12-10
分类号C09D5/44;C08G18/12;C25D13/06;C09D175/16;C08G18/67;
国家 DE
入库时间 2022-08-22 01:42:25

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