Patent ID: 6130267
Filing Date: 2000-10-10
Classification: C08G,C08K,C08L,Y10S

Abstract:
A fire retardant composition comprising a dispersion of a solid fire retardant additive in a liquid organic polyisocyanate which contains dispersed polyurea particles, said composition having improved stability and resistance to sedimentation of the fire retardant additive,wherein the solid fire retardant additive is present in the polyisocyanate in an amount of from about 10 to about 100% by weight based on weight of the polyisocyanate and,the dispersed polyurea particles are present in an amount of from 2 to about 30% by weight based on the weight of the polyisocyanate andthe solid fire retardant additive is melamine andwherein the polyisocyanate comprises a diphenylmethane diisocyanate composition.