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    • 3. 发明申请
    • Acid Groups-Containing Polyurethane Resins
    • 含酸基团的聚氨酯树脂
    • US20080249279A1
    • 2008-10-09
    • US11664464
    • 2005-09-27
    • Anton ArztJulius BurklGudrun GarberGerlinde PetritschMarkus SchafheutleAchim VoelkerJoerg Wango
    • Anton ArztJulius BurklGudrun GarberGerlinde PetritschMarkus SchafheutleAchim VoelkerJoerg Wango
    • C08G18/67
    • C08G18/36C09D175/04C08L2666/02
    • Water-dilutable polyurethane resins with acid groups, wherein the polyurethane resins contain units derived from oils A which are at least partly unsaturated, from olefinically unsaturated aliphatic acids B or anhydrides B′ thereof, from compounds C having functional groups which are reactive towards acid groups or acid anhydride groups, selected from the group consisting of epoxide groups, hydroxyl groups, mercaptan groups and amino groups, and which react in the reaction with the compounds B or B′ to form an ester group, a thioester group or an acid amide group, where the compounds C are selected from the group consisting of compounds C″ which additionally contain sulfonic acid groups, or carboxylic acid groups which are activated by electron-withdrawing substituents, and compounds C′ which additionally contain at least one hydroxyl group which is retained during the reaction with the compounds B or B′, and where at least a mass fraction of 25% of the compounds C consists of compounds C″, and polyfunctional isocyanates D, a process for their preparation, their use as catalysts in the curing of binders containing hydroxyl groups with aminoplast resins, and stoving paints which contain these catalysts
    • 具有酸基的水可稀释性聚氨酯树脂,其中聚氨酯树脂含有来源于烯属不饱和脂族酸B或其酸酐B'的至少部分不饱和脂肪酸的单元,具有对酸基具有反应性的官能团的化合物C 或酸酐基团,其选自环氧基,羟基,硫醇基和氨基,并且在与化合物B或B'的反应中反应形成酯基,硫酯基或酰胺基 其中化合物C选自另外含有磺酸基的化合物C“或通过吸电子取代基活化的羧酸基团,以及另外含有至少一个羟基的化合物C' 在与化合物B或B'反应期间保留,并且化合物C的至少25%的质量分数由化合物 ds C“和多官能异氰酸酯D,其制备方法,它们用作固化含有氨基塑料树脂的羟基的粘合剂的催化剂,以及含有这些催化剂的烘烤油漆