Patent ID: 8053499
Filing Date: 2011-11-08
Classification: C08K,C08L

Abstract:
1. A colored polyoxymethylene molding composition consisting essentially of component (A) from 0.1 to 5.0% by weight of colorant, component (B) from 0.01 to 0.5% by weight of a nitrogen-containing stabilizer, component (C1) x % by weight of an ester of a polyhydric alcohol and at least one fatty acid, component (C2) y % by weight of a partially hydrolyzed ester of a polyhydric alcohol and at least one fatty acid, the partially hydrolyzed ester including the reaction products of a full ester reacted with a metal hydroxide, x being 0.1 to 0.5% and y being 0.1 to 0.5%, and wherein said component (C1) and said component (C2) form component (C), and component (D) 0.0 to 0.5% by weight of a magnesium salt of a fatty acid, component (I) polyoxymethylene polymer and, optionally, up to 40% by weight of other additives, wherein the molding composition does not comprise hydroxides or alkoxides of alkali metals or alkaline earth metals, or their salts with inorganic acids.