C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
402/3, 400/7001
C08K 5/16 (2006.01) C09D 5/44 (2006.01)
Patent
CA 1303776
HOE 86/F 024 Abstract of the disclosure: Hardening component for synthetic resins which contain groups which are capable of forming amides or esters with carboxylic acids 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 har- deners, which allow lower crosslinking temperatures, are products A) of the Michael addition of compounds B), con- taining 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 pro- ducts of the reaction of b1) CH-active alkyl esters and b2) polyisocyanates.
528535
Plum Helmut
Walz Gerd
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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