C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/198, 402/252
C08G 59/42 (2006.01) C08G 59/14 (2006.01) C08G 59/24 (2006.01) C08G 59/34 (2006.01) C08G 59/68 (2006.01) C09D 163/00 (2006.01)
Patent
CA 1182946
ABSTRACT A reactive hardenable binder composition based on A) at least one aliphatic, cycloaliphatic or aliphatic-cyclo- aliphatic polyepoxide wherein at least 2 epoxidized cyclo- aliphatic radicals are bound via an aliphatic bridge B) at least one polycarboxylic acid unit of formula Image (I) having an acid number between 30 and 400 wherein R1 is a radical of an at least oligomer product selected from the group consting of polyesters and polymers having initially free OH-groups R2 is a radical of a dicarboxylic carbocyclic acid having a COOH-group in ortho-position to its ester bond and C) a catalyst component of the fonnula Image (II) wherein R3 is a radical of a homo- or copolymer or combination of both of an unsaturated carboxylic acid with a statistically distributed number of COOH side groups or the radical of a polyester having initially free COOH-groups and Me is one equivalent of an alkaline or an alkaline earth metal, thus being present in its salt form, a process for the preparation of hardened products from said composition and a coated article having a coating based on said composition.
389373
Mondt Josef
Walz Gerd
Wirth Thaddaus
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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