Preparation of polyesters with tin catalysts

Details Preparation of polyesters with tin catalysts Preparation of polyesters with tin catalysts

C - Chemistry, Metallurgy

08

G

C08G 63/85 (2006.01)

Patent

CA 2113355

2113355 9304106 PCTABS00020 Polyesters are prepared from dihydroxyl-containing compounds and dicarboxylic acids or anhydrides or lower alkyl esters thereof in the presence of a combination of tin catalysts comprising (1) at least one organotin salt of a carboxylic acid, and (2) either a) at least one organotin oxide, or b) at least one organostannoic acid, or c) a combination of a) and b). The polyesters prepared by this process are useful in coating, adhesive, fiber and molding applications.

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