| abstract |
A molded unitary shoe sole and heel consisting of a molding having the size and shape of a shoe sole and heel, said molding being comprised of a fused admixture of a polyvinyl chloride polymer and a two stage core grafted composite copolymer having a particular butadiene-styrene rubbery substrate. The composite graft copolymer is blended with a matrix of a polyvinyl halide resin and modified with a plasticizer, stabilizer and lubricant system to provide the desired tough rubbery unitary shoe sole-heel molding. |