Effect of physical aging on deformation characteristics of polycarbonate
β Scribed by K. K. Sharko; A. N. Aniskevich; Yu. O. Yanson
- Publisher
- Springer US
- Year
- 1983
- Tongue
- English
- Weight
- 238 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1573-8922
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π SIMILAR VOLUMES
The physical aging of bisphenol A polycarbonate was studied using the differential scanning calorimetry technique. Cowie and Ferguson's model and Williams-Watts function were used to analyze the data. It is confirmed that the relation β¬H Ο± (T a ) Ο β¬C p (T g Οͺ T a ), where β¬H Ο± (T a ) is the value o
The hydrolytic aging of an unstabilized industrial sample of polycarbonate was studied at 40, 70, 80, and 90Β°C, 100% RH. The water absorption characteristics show that, at equilibrium, the polymer absorbs about 0.04 mol water per ester group and that the equilibrium is reached after about 10-40 h ex
The physical aging of polycarbonate was investigated with dynamic viscoelastic measurements. Physical aging was observed for samples aged at 110 Β°C (QA) and room temperature (QP) after being quenched from the molten state. The shapes of the temperature dispersion curves of the dynamic viscoelastic f