Patent ID: 7491762
Filing Date: 2009-02-17
Classification: C08J,C08K

Abstract:
1. A composition comprising linear low density polyethylene and a masterbatch composition mixed therewith, the masterbatch composition comprising: (a) a polyolefin selected from the group consisting of polypropylenes, low density polyethylene, high density polyethylene, and mixtures thereof; (b) a metal salt compound conforming to the structure: wherein M 1 and M 2 are the same or different and may be combined into one cation, and are selected from at least one metal cation of calcium, strontium, lithium, and monobasic aluminum; and wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are either the same or different and are individually selected from the group consisting of hydrogen, C 1 -C 9 alkyl, hydroxy, C 1 -C 9 alkoxy, C 1 -C 9 alkyleneoxy, amine, and C 1 -C 9 alkylamine, halogens, and phenyl, said metal salt compound being provided in a concentration of greater than about 0.5% by weight of the masterbatch composition; (c) hydrophilic silica particles; (d) a hydrotalcite compound; and (e) zinc stearate.