Patent ID: 6184269
Filing Date: 2001-02-06
Classification: C08K,C09K

Abstract:
An intumescent thermoplastic molding which is the molded product of a blended mixture initially comprising on the basis of 100 parts by weight blended mixture:15 to 25 parts high density polyethylene,27 to 33 parts chlorinated polyethylene,2 to 20 parts of a silicone elastomer consisting essentially of silphenylene-siloxane monomer moieties and having a value of Mw in the range of 30,000 to 800,000,5 to 10 parts chlorowax,7 to 16 parts of at least one of ammonium dihydrogen phosphate and ammonium polyphosphate,9 to 17 parts of at least one of hydrated aluminum oxide and hydrated magnesium oxide,3 to 10 parts of a char former selected from the group consisting of carbohydrates and polyhydric alcohols,0 to 5 parts antimony oxide,5 to 10 parts of a filler selected from the group consisting of glass fibers and mica particles, andan anti-oxidant for said polymeric composition.