Patent ID: 8575250
Filing Date: 2013-11-05
Classification: C08K,C08L

Abstract:
1. A stabilized halogen containing polymer composition comprising: a) greater than 40% by weight of a halogenated polymeric material; b) 0.01 to 5.0 phr per hundred parts of a methyl tin stabilizer comprising a mixture of mono methyl tin stabilizer and dimethyl tin stabilizer wherein the mono methyl tin stabilizer is greater than 25% by weight of the methyl tin stabilizer; and c) 0.01 to 5 phr of a salt of a polyacid material to form the stabilized halogen containing polymer composition; wherein the salt of the polyacid material is a salt of either a polycarboxylic acid, a phosphoric acid, a sulfonic acid or a boric acid; further wherein the salt of the polycarboxylic acid comprises salts of adipic acid, succinic acid, itaconic acid, glutamic acid, citric acid.