C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 251/08 (2006.01) C08G 18/32 (2006.01) C08G 18/79 (2006.01) C09D 175/00 (2006.01) C09D 175/02 (2006.01)
Patent
CA 2163486
The present invention relates to aldimines corresponding to the formula X1-[N=CHCH(R1)(R2)]2 wherein X1 represents the group obtained by the removal of the amino groups from 2-methyl-1,5-pentane diamine, R1 and R2 may be the same or different and represent optionally substituted hydrocarbon radicals, or R1 and R2 together with the .beta.- carbon atom from a cycloaliphatic or heterocyclic ring. The present invention relates to a clear, solvent-containing coating composition which contains a) an isocyanurate group-containing polyisocyanate which contains less than 5% by weight, based on the weight of component a), of allophanate and uretdione groups and b) an aldimine corresponding to the formula X1-[N=CHCH(R1)(R2)]n wherein X1, R1 and R2 are as previously defined and c) 10 to 200% by weight, based on the weight of components a), b) and c), of a organic solvent containing only ester groups, wherein components a) and b) are present in an amount sufficient to provide an equivalent ratio of isocyanate groups to aldimine groups of 0.5:1 to 20:1.
Grace Scott A.
Hicks Sharon D.
Wicks Douglas A.
Corporation Bayer
Swabey Ogilvy Renault
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