POLYACETAL RESIN COMPOSITION HAVING EXCELLENT ABRASION RESISTANCE AND DELAMINATION PREVENTING EFFECT

摘要

PURPOSE: A polyacetal resin composition and a molded product prepared by using the composition are provided, wherein the composition shows excellent abrasion resistance, the delamination preventing effect, mechanical properties, chemical resistance, heat resistance and electrical properties. CONSTITUTION: The polyacetal resin composition comprises 100 parts by weight of the polyoxymethylene represented by -(CH2O)-, or a mixture of the polyoxymethylene and the copolymer represented by the formula 2; 0.01-1.0 parts by weight of an antioxidizing agent; 0.01-1.0 parts by weight of a heat stabilizer; 0.5-5.0 parts by weight of the polyethylene vinyl acetate copolymer represented by the formula 3; and 0.1-2.0 parts by weight of the hydroxide penterylthiol peptic acid ester represented by the formula 4, wherein R1 and R2 which are identical or different each other represent H, an alkyl group or an aryl group; n is an integer of 2-6; x is 59-97 parts by weight and y is 3-41 parts by weight; and R is -CH2-O-CO-CAHB (wherein A is 8-19 and B is 17-39).