Abstract
The formation of a polyconjugated system during thermal treatment of EPR-PAN graft copolymers results in a change in their thermomechanical properties. The glass transition temperature remains constant, while the yield point is shifted into the higher temperature range. The more complete the process of formation of conjugated bonds in side PAN chains, and the higher the PAN content in the copolymer the wider the temperature range of the high elastic state. Thus the incorporation of polyconjugated systems as side blocks into elastomers provides an important general method for modifying their properties and creating thermoelastoplastic type materials.
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