Abstract
The static tensile force and the velocity of sound were measured simultaneously in vulcanized chlorinated polyethylene at temperatures ranging from −20°C to 30°C. The starting point of the thermal shrinking in variously elongated samples were also measured. The apparent glass transition temperature increases with the increase of the extension ratio in the sound velocity measurement and the thermal shrinkage, while the apparent glass transition temperature decreases in the tensile force measurement. These facts indicate that the extension dependence of the apparent glass transition temperature changes with the physical quantities observed.
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Naoki, M., Nose, T. Strain Dependence of Glass Transition Point in Chlorinated Polyethylene Vulcanizate. Polym J 6, 45–50 (1974). https://doi.org/10.1295/polymj.6.45
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DOI: https://doi.org/10.1295/polymj.6.45
