Polyisocyanate polyaddition products comprising covalently...

Details Polyisocyanate polyaddition products comprising covalently... Polyisocyanate polyaddition products comprising covalently...

C - Chemistry, Metallurgy

08

K

C08K 5/101 (2006.01) C08J 9/04 (2006.01) C08K 5/00 (2006.01) C08K 5/07 (2006.01) C08K 5/3435 (2006.01) C08K 5/3475 (2006.01) C08K 5/37 (2006.01) C08K 5/41 (2006.01) C08K 5/46 (2006.01) C08K 5/524 (2006.01)

Patent

CA 2285741

Polyisocyanate polyaddition products comprise covalently bonded dyes and also, as stabilizers, (i) at least one W absorber selected from the class consisting of benzotriazoles, cinnamic esters and diphenyl acrylates and/or benzophenones, (ii) at least one antioxidant selected from the class consisting of phosphites, sulfites and phenothiazine and/or dilauryl 3,3'-thiodipropionate, and (iii) at least one free-radical scavenger selected from the class consisting of sterically hindered amines.

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