Abstract

Graft copolymers of chlororubber-20-g-(ethylacrylate-co-acrylonitrile (2:1)) and chlororubber-20-g-(styrene-co-vinyl acetate-co-acrylonitrile [1:1:1]) have been synthesized by solution precipitation polymerization technique. The graft copolymers have been characterized by elemental analysis, IR spectroscopy, and viscometry. The graft copolymers have been melt blended with PVC. The mechanical properties, such as flexural, tensile strength, and impact strength, of the blends have been studied to evaluate the relative performance of various graft copolymer blends of PVC as impact modified systems. Mechanical properties of the blends have been discussed in terms of morphology of impact fractured samples.

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