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    • 5. 发明公开
    • UV- UND THERMISCH HÄRTENDE KLARLACKZUSAMMENSETZUNG FÜR DIE KRAFTFAHRZEUG-REPARATURLACKIERUNG
    • UV-UND THERMISCHHÄRTENDEKLARLACKZUSAMMENSETZUNGFÜRDIE KRAFTFAHRZEUG-REPARATURLACKIERUNG
    • EP2870209A1
    • 2015-05-13
    • EP13733328.2
    • 2013-07-04
    • BASF Coatings GmbH
    • RADEMACHER, JosefNIENHAUS, EgbertSCHÖPS, SibylleSTEFFENS, Alexandra
    • C09D133/14C08K5/07C08K5/52C08K5/5333C08K5/5397
    • C09D151/003C08G18/6229C08G18/728C08K5/0025C08K5/07C08K5/5205C08K5/5333C08K5/5397C09D133/14C09D175/16
    • The present application relates to a UV- and thermally-curable, solvent-based clear paint, containing (A) at least one polyhydroxyl-functional poly(meth)acrylate with grafted-on unsaturated (meth)acrylate side groups, (B) at least one polyisocyanate-functional, poly(meth)acrylate-functional aliphatic urethane, (C) at least one (meth)acrylate-functional, aliphatic urethane that is free of isocyanate groups, (D) at least one hydroxyl-functional, (meth)acrylate-functional, aliphatic component that is free of isocyanate groups and urethane groups and that has a molecular weight of a maximum of 1000 g/mol and a (meth)acrylate-functionality of at least 4, (E) at least one aliphatic polymercaptan, (F) at least one amine-blocked phosphoric acid or phosphonous acid, the amine having a pK
      b value of ≥ 3 and a boiling point of > 100
      o C at normal pressure, and (G) at least one photo initiator selected from the group consisting of a-hydroxyalkylphenyl ketones and monoacylphosphinoxides. The invention further relates to the aforementioned component (A) as an intermediate product for producing the clear paint, a modular system for producing the clear paint and a coating method for producing a clear paint, in particular in motor vehicle refinishing painting. The invention also relates to the use of the clear paints in motor vehicle refinishing painting.
    • 适用于汽车修补剂的UV和可热固化的溶剂型透明涂料包括:(A)至少一种具有接枝在不饱和(甲基)丙烯酸酯侧基上的多羟基官能聚(甲基)丙烯酸酯,(B)至少一种多异氰酸酯 - 官能的聚(甲基)丙烯酸酯官能的脂肪族氨基甲酸酯,(C)至少一种不含异氰酸酯基团的(甲基)丙烯酸酯官能的脂肪族聚氨酯,(D)至少一种羟基官能的(甲基) 来自异氰酸酯基团和氨基甲酸酯基团并且具有不超过1000g / mol的分子量和至少为4的(甲基)丙烯酸酯官能度,(E)至少一种脂肪族聚硫醇,(F)至少一种磷酸或 用胺封闭的膦酸,胺的pKb为≥3,沸点在大气压> 100℃以下,(G)至少一种光引发剂,选自α-羟基烷基苯基酮和单酰基膦 氧化 秒。 组分(A)可以是制备透明涂层材料的中间体。