Abstract

Abstract Induction period of oxidation of solid polyolefins and mechanisms of fracture under mechanical stress are reviewed. It is proposed that the existence of a true induction period at the uninhibited oxidation of solid polyolefins should be attributed to uneven spatial distribution of oxidation sites and slow migration of radicals through the solid polymer matrix. The fracture of the stressed samples is the result of coalescing of damaged zones dispersed in the intact polymer matrix into clusters.

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