Patent ID: 7067576
Filing Date: 2006-06-27
Classification: C08K,C09K

Abstract:
1. A flame retardant polypropylene resin composition comprising: 40-86% by weight of polypropylene resin with a melt flow rate of 4-18 g/10 minutes; 9-16% by weight of a halogen-containing flame retardant additive having a melting point of 95° C. to 120° C.; 4-15% by weight of an antimony oxide in the form of white granules; 0.2-3.0% by weight of an ultraviolet stabilizer, wherein the ultraviolet stabilizer comprises a mixture of a HALS ultraviolet stabilizer with a molecular weight of more than 2,000 and a UV absorber, wherein the ratio of HALS ultraviolet stabilizer to the UV absorber, ranges from 1:15 to 15:1; 0.1-5% by weight of a silane coupling agent; and 0.2-5% by weight titanium dioxide.