Patent ID: 7528185
Filing Date: 2009-05-05
Classification: C08K,C08L

Abstract:
1. Extrudable white-filled polyolefin concentrate compositions consisting essentially of: (a) 20 to 60 weight percent, based on the total weight of the composition, low density polyethylene or linear low density polyethylene having a melt index from 0.5 to 50 g/10 mm and density from 0.915 to 0.930 g/cm (b) 40 to 80 weight percent, based on the total weight of the composition, titanium dioxide or calcium carbonate; and (c) 0.01 to 1 weight percent, based on the total weight of the composition, mercaptobenzimidazole compound of the formula where A is hydrogen or zinc, R is a C 1-4 alkyl group, n is 0 to 4 and x is 1 or 2.