C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/00 (2006.01) C08L 67/00 (2006.01) C08K 5/205 (2006.01) C08K 5/544 (2006.01)
Patent
CA 2491112
A polyester polycarbamate resin composition for use in coating compositions to produce films having improved scratch and mar characteristics. The resin composition is the reaction product of a first compound having a plurality of hydroxyl groups with a carbamate compound reactive with the hydroxyl groups of the first compound and added in an amount sufficient to form a carbamated intermediary. The carbamated intermediary has at least one primary carbamate group available for cross-linking and has unreacted hydroxyl groups. Then, a silyl compound having a terminal isocyanate group is reacted with the unreacted hydroxyl groups of the carbamated intermediary. The silyl compound also has silylalkoxy groups available for secondary cross-linking. The present invention is also directed to a method of preparing the resin composition.
Green Marvin L.
Ramesh Swaminathan
Basf Corporation
Robic
LandOfFree
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