Patent ID: 6809129
Filing Date: 2004-10-26
Classification: C08K,C08L,C09D,Y10T

Abstract:
A mixture for making a moldable intumescent elastomeric thermoplastic material, comprising based on one hundred parts of said mixture:about 40 to about 60 parts of chlorinated polyethylene; up to about 15 parts of high-density polyethylene; about 5 to about 10 parts of a plasticizer; about 10 to about 20 parts of a water emitting substance selected from the group consisting of hydrated magnesium oxide, magnesium hydroxide and mixtures thereof; up to about 10 parts of at least one gas generating compound selected from the group consisting of ammonium dihydrogen phosphate, ammonium polyphosphate and mixtures thereof; about 3 to about 10 parts of a char former selected from the group consisting of polyhydric alcohols, carbohydrates, starch and mixtures thereof; about 1 to about 7 parts of antimony oxide; and about 0.25 to about 2 parts of a stabilizer selected from the group consisting of thio based antioxidants, hindered phenol antioxidants and mixtures thereof.