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PROCESS FOR PREPARATION OF HARDENING COMPONENTS OF SYNTHETIC RESINS CONTAINING GROUPS CAPABLE TO FORM AMIDES OR ESTERS WITH CARBOXYLIC ACIDS
PROCESS FOR PREPARATION OF HARDENING COMPONENTS OF SYNTHETIC RESINS CONTAINING GROUPS CAPABLE TO FORM AMIDES OR ESTERS WITH CARBOXYLIC ACIDS
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机译:包含能与羧酸形成酰胺或酯的基团的合成树脂的硬化组分的制备方法
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摘要
Hardeners are described for synthetic resins which contain groups which are capable of ester or amide formation and, if appropriate, polymerizable double bonds. The new hardeners, which allow lower crosslinking temperatures, are products (A) of the Michael addition of compounds (B), containing Michael addition-capable ester groups, to compounds (C) which contain at least two Michael addition-capable double bonds, the products (A) having an average of at least one polymerization-capable double bond and at least two transesterification- or transamidation-capable ester groups per molecule and the compound (B) representing products of the reaction of (b1) CH-active alkyl esters and (b2) polyisocyanates.
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