One-component thermoset coating compositions

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/80 (2006.01) C08G 18/10 (2006.01) C08G 59/40 (2006.01) C08K 5/25 (2006.01) C08K 5/26 (2006.01) C08L 61/28 (2006.01) C08L 75/12 (2006.01) C09D 161/28 (2006.01) C09J 161/28 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2287738

The present invention relates to one-component, thermoset compositions containing a) compounds containing modified hydrazide groups and corresponding to formula I Image wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer, X represents OR' or NHR' and R' represents a group which is inert to isocyanate groups under the conditions used to form the compound of formula I and n has a value of 2 to 6, b) compounds containing two or more epoxy groups and c) a basic catalyst. The present invention also relates to coatings, adhesives and sealants prepared from these thermoset compositions.

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