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    • 10. 发明授权
    • Auto-crosslinking, cathodically depositable binders
    • 自动交联,阴极可沉积的粘合剂
    • US4367319A
    • 1983-01-04
    • US216378
    • 1980-12-15
    • Georg PampouchidisHelmut Honig
    • Georg PampouchidisHelmut Honig
    • C08G18/81C08G59/00C08G59/14C08G59/16C08G59/56C08G59/62C08G59/64C09D5/44C08G59/50
    • C09D5/4434C08G18/8175C08G59/56C08G59/64
    • Auto-crosslinking, cathodically depositable binders which are water-dilutable upon neutralization comprising the reaction product of:(A) 2 moles of a polyepoxy compound with from 2 to 10 epoxy groups per molecule and an epoxy equivalent of from 100 to 1000;(B) 0.1 to 2.0 moles of a diamine, the nitrogen atoms being secondary-secondary or primary-tertiary;(C) from 1 to 10 moles of an alpha,beta-unsaturated monocarboxylic acid; and(D) from 0.5 to 10 moles of dialkanol amine and/or of a monoalkanol monoalkyl amine,whereby the weight ratios of the components are chosen in order that the sum of the epoxy-reactive hydrogen atoms of components (B) through (D) substantially correspond to the number of epoxy groups of component (A), and the binder contains from 0.5 to 2.5 basic nitrogen atoms and from 0.5 to 2.5 polymerizable double bonds per 1000 molecular weight units. The binders upon heating do not decompose and when employed in coating compositions provide good electrochemical characteristics and good surface qualities.
    • 自动交联,中和时水可稀释的阴极可沉积的粘合剂包括以下反应产物:(A)2摩尔每分子具有2至10个环氧基的聚环氧化合物和100至1000的环氧当量; (B)0.1〜2.0摩尔的二胺,氮原子是二次或次级三级; (C)1至10摩尔的α,β-不饱和一元羧酸; 和(D)0.5至10摩尔二烷醇胺和/或单烷醇单烷基胺,从而选择组分的重量比,以使组分(B)至(D)的环氧反应性氢原子的总和 )基本上对应于组分(A)的环氧基数,并且粘合剂含有0.5至2.5碱性氮原子和每1000个分子量单元0.5至2.5个可聚合双键。 加热时的粘合剂不分解,当用于涂料组合物时,提供良好的电化学特性和良好的表面质量。