1963•Journal of Polymer Science Part A General PapersRequires access

Unsaturation in high impact polystyrene analytical studies

T. R. Crompton, V. W. Reid

Abstract

Abstract A method for separating a pure gel and a soluble graft containing fraction from high impact polystyrene is described together with methods for determining the unsaturation of these two fractions and for the determination of unsaturation in polybutadiene rubber and unfractionated high impact polystyrene samples. The methods have been used to show how the rubber distributes between the gel and soluble fractions obtained from high impact polystyrenes prepared by the interpolymerization technique.

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Key concepts: Degree of unsaturation, Polystyrene, Polybutadiene, Natural rubber, Fraction (chemistry), Polymer chemistry, Materials science, Chemistry