ON THE SOLUBILITY OF SYNTHETIC RESINS, I

VINYLIC POLYMERS AND HYDROCHLORIC ACID RUBBER

Abstract

Although the dissolving manners of various vinylic polymers had been studied scarcely any phenomenon, which would not be understood by the knowledge obtained in the experiment of cellulose derivatives, was found:
(1) There are two types of dissolving manner characterized by whether or not the hysteresis exists.
(2) Polystrene, polyvinylacetate, and polymethylmethacrylate belong to the no-hysteresis type except in the case of the lattter in acetone-alcohol-water, where a small but clear hysteresis is observed.
(3) Polyvinylchloride (and hydrochloric acid rubber) belong to the hysteresis type and always give rise to a remarkable hysteresis.