Cross-linkable vinyl ether polyacetal oligomers

Details Cross-linkable vinyl ether polyacetal oligomers Cross-linkable vinyl ether polyacetal oligomers

C - Chemistry, Metallurgy

09

D

402/1, 400/5150

C09D 159/00 (2006.01) C09D 4/00 (2006.01) C09D 5/32 (2006.01)

Patent

CA 2030673

FDN-1792 CROSS-LINKABLE VINYL ETHER POLYACETAL OLIGOMERS ABSTRACT This invention relates to a cross-linkable, cationic radiation curable composition comprising (a) a non-volatile vinyl ether, epoxide, acrylate or an oligomer thereof (b) a cationic photoinitiator and (c) a divinyl ether polyacetal oligomer having the formula Image wherein n has a value of from 1 to 50; X is uniformly sulfur or oxygen; R is C2 to C4 alkenoxy alkylene, poly(alkyleneoxy) alkylene, or a branched, linear or cyclic C2 to C20 alkylene and R' is phenylene, diphenylene methane, diphenylene propane, xylylene, tolylene, or a branched, linear or cyclic C2 to C20 alkylene optionally substituted with an ether, ester, carbonate, carbamate, C2 to C4 alkyleneoxy alkylene or poly(C2 to C4 alkyleneoxy) alkylene radical. The invention also relates to the composition cured on a substrate.

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