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PROCESS FOR PRODUCING WATER-DILUTABLE EPOXY RESIN ESTERS CONTAINING OXAZOLIDINE GROUPS, COATING COMPOSITIONS PRODUCED THEREFROM, AND THEIR USE AS CATHODIC-DEPOSITION LACQUERS
PROCESS FOR PRODUCING WATER-DILUTABLE EPOXY RESIN ESTERS CONTAINING OXAZOLIDINE GROUPS, COATING COMPOSITIONS PRODUCED THEREFROM, AND THEIR USE AS CATHODIC-DEPOSITION LACQUERS
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机译:制备含有恶唑啉基团的水溶性环氧树脂的工艺,由其制备的涂料组合物以及用作阴极沉积漆的方法
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摘要
Binders water-dilutable upon neutralization with inorganic and/or organic acids comprising the reaction product of (A) resins having at least 2 1,2-epoxy groups per molecule and an epoxy equivalent of at least 160; and (B) a semiester of a dicarboxylic acid and an N-2-hydroxyalkyloxazolidine, and a process for the formation of the binders, is described. The binders have sufficient basic groups for neutralization with acids to provide water dilutability, as well as the functional groups required for crosslinking of the binders. The binders upon stoving provide films with good resistance characteristics and have reduced losses.
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