Flame retarded compositions and additive systems therefor

Abstract

Abstract 1. A FLAME-RETARDANT COMPOSITION COMPRISING A NORMALLY FLAMMABLE POLYMER OF AN OILFIN CONSISTING OF CARBON AND HYDROGEN AND CONTAINING FROM 2 TO 8 CARBON ATOMS HAVING ADMIXED THEREIN A STABILIZING AMOUNT OF A FLAMERETARDING ADDITIVE SYSTEM WHICH CONSISTS ESSENTIALLY OF THE ADMIXTURE OF (A) A HALOGEN-CONTAINING ARYL COMPOUND SELECTED FROM THOSE OF THE FORMULAS (Y)A-PHENYLENE-(X)N AND (X)M-PHENYLENE-PHENYLENE-(X)M WHEREIN X IS SELECTED FROM CHLORINE OR BROMINE, Y IS A HYDROCARBON RADICAL OF 1 TO 20 CARBON ATOMS, N IS AN INTEGER OF 3 TO 6, M IS AN INTEGER OF 3 TO 5, AND A IS AN INTEGER OF 0 TO 3; (B) STANNIC OXIDE; AND (C) A HYDROCARBON COMPOUND OF THE FORMULA R1-(2,3,5,6-TETRA(R1)-1,4-PHENYLENE)-C(-R2)2-C(-R2)2- (2,3,5,6-TETRA(R1)-1,4-PHENYLENE)-R1 WHEREIN R1 IS HYDROGEN OR A HYDROCARBON RADICAL FREE OF OLEFINIC OR ACETYLENIC UNSATURATION AND R2 IS AN ALKYL RADICAL CONTAINING FROM 1 TO 4 CARBON ATOMS AND WHEREIN SAID COMPOUND (A) IS PRESENT IN AN AMOUNT IN THE RANGE OF 0.5 TO 20 PARTS PER HUNDRED PARTS OF POLYMER, (B) IS PRESENT IN AN AMOUNT IN THE RANGE OF 0.1 TO 10 PARTS PER HUNDRED PARTS OF POLYMER, AND (C) IS PRESENT IN AN AMOUNT IN THE RANGE OF 0.05 TO 10 PARTS PER HUNDRED PARTS OF POLYMER.

Inventors

• 👤 J Reed
• 👤 J Underwood
• 👤 J Dix

Bibliographic Details