Abstract

Reorganization of the crystalline phase of polychloroprene rubber under a rise in temperature has been investigated by scanning calorimetry. Processes occuring in the the mostatted polymer have been subjected to a quantitative analysis. When the temperature rises solid phase transformation (reorganization) leads to a higher degree of perfection in the crystalline structure of the polymer; recrystallization o the crystallizable metl occurs only during the initial moments of time. The main feature of the reorganization involves defective crystallites in the process of attaining a more perfect structure. Along with this process partial transformation of the crystallites themselves takes place. No evidence to substantiate existing notions of a high rate of reorganization was obtained. The reorganization incremeut (or fraction) under continuous heating has been determined.

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