Durable coating compositions containing aspartic compounds

Details Durable coating compositions containing aspartic compounds Durable coating compositions containing aspartic compounds

2007-10-02

2007-10-02

Tran, Thao (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S423300, C528S068000, C528S084000

Reexamination Certificate

active

10737338

ABSTRACT:
A coating composition comprising a binder ofa. polyisocyanate crosslinking agent;b. an isocyanate-reactive component having at least one compound having the following formula:wherein X is an aliphatic or cycloaliphatic group, R1and R2are the same or different organic groups that are inert to isocyanate groups, and n is 2 to 4, andc. optionally, a polymeric component having a number average molecular weight of 5,000 to 50,000 having reactive groups that crosslink with an isocyanate, where the reactive groups are hydroxyl, carboxyl, glycidyl, amine and any mixtures thereof; andd. optionally, an oligomeric component having a number average molecular weight of 300 to 3,000 having reactive groups that crosslink with an isocyanate, where the reactive groups are hydroxyl, carboxyl, glycidyl, amine, aldimines, phosphoric acid, ketimine and any mixtures thereof; andcontains the following additives: disubstituted phenol antioxidant or a hydroperoxide decomposer, an ultraviolet light absorber, and a hindered amine light stabilizer.

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Wolf, R., “Plastics, Additives,” Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH GmbH & Co., online posting date Jun. 15, 2000.

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