Polymer blends consisting essentially of an intimate ternary fusion blend of a vinyl hloride polymer, a chlorinated olefin polymer, and a surfactant

Claim 1

A COMPOSITION OF MATTER HAVING A NOTCHED IMPACT STRENGTH AT 25*C. OF AT LEAST 4 FT. LBS./IN. OF NOTCH (ASTM D256-54T-METHOD B) AND CONSISTING ESSENTIALLY OF AN INTIMATE TERNARY FUSION BLEND OF (A) 88-95 PARTS BY WEIGHT OF A VINYL CHLORIDE POLYMER, (B) 12-5 PARTS BY WEIGHT OF AN AFTER-CHLORINATED PRODUCT OF AN OLEFIN POLYMER, AND (C) 0.1-10 PARTS BY WEIGHT OF A SURFACTANT; SAID VINYL CHLORIDE POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE HOMOPOLYMERS AND INTERPOLYMERS HAVING POLYMERIZED THEREIN AT LEAST 80% BY WEIGHT OF VINYL CHLORIDE AND UP TO 20% BY WEIGHT OF AN INTERPOLYMERIZABLE VINYLIDENE MONOMER; SAID CHLORINATED OLEFIN POLYMER CONTAINING ABOUT 20-60% BY WEIGHT OF CHLORINE, SAID OLEFIN POLYMER, BEFORE CHLORINATION, HAVING A MOLECULAR WEIGHT OF AT LEAST 6,000 AND BEING SELECTED FROM THE GROUP CONSISTING OF (1) HOMOPOLYMERS OF A 2-8 CARBON ATOM ALPHA-OLEFIN, (2) INTERPOLYMERS HAVING POLYMERIZED THEREIN ONLY 2-8 CARBON ATOM ALPHA-OLEFINS AND (3) INTERPOLYMERS HAVING POLYMERIZED THEREIN AT LEAST ABOUT 85% BY WEIGHT OF AT LEAST ONE 2-8 CARBON ATOM ALPHA-OLEFIN AND UP TO 15% BY WEIGHT OF AN INTERPOLYMERIZABLE VINYLIDENE MONOMER; SAID SURFACTANT HAVING A HLB VALUE IN THE RANGE OF ABOUT 1-20 AND CONTAINING IN ITS STRUCTURE BOTH A HYDROCARBON CHAIN CONTAINING AT LEAST 8 CARBON ATOMS AND A HYDROPHILIC GROUP.