申请人:Cytec Surface Specialties Austria GmbH
公开号:EP2330141A1
公开(公告)日:2011-06-08
The invention relates to a polyester AB comprising moieties derived from di- or polyfunctional organic acid compounds A and moieties derived from di- or polyfunctional organic hydroxy compounds B, wherein the compounds A comprise "hard" acid compounds A1 having two or more acid groups per molecule, and soft acid compounds A2, and the compounds B comprise "hard" hydroxyfunctional compounds B1 having two or more hydroxyl groups per molecule, and soft hydroxyfunctional compounds B2, and coating compositions prepared from these with crosslinkers selected from the group consisting of isocyanates, capped isocyanates, aminoplast crosslinkers, and phenoplast crosslinkers, as well as their application in coating of metal substrates.
本发明涉及一种聚酯 AB,该聚酯 AB 包含源自二官能或多官能有机酸化合物 A 的分子和源自二官能或多官能有机羟基化合物 B 的分子,其中化合物 A 包含每分子具有两个或两个以上酸基的 "硬 "酸化合物 A1 和软酸化合物 A2,以及化合物 B 包含每分子具有两个或两个以上羟基的 "硬 "羟基官能化合物 B1 和软羟基官能化合物 B2、化合物 B 包括每分子具有两个或两个以上羟基的 "硬 "羟基官能团化合物 B1 和软羟基官能团化合物 B2,以及由这些化合物与选自异氰酸酯、封端异氰酸酯、氨基酯交联剂和苯酚酯交联剂组成的交联剂制备的涂层组合物,以及它们在金属基材涂层中的应用。