Thermal expansion of glassy polymers
β Scribed by K.W.M. Davy; M. Braden
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 393 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0142-9612
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The dilatometric curves of 21 epoxide-amine network samples made from five distinct epoxide-amine pairs, with variable amine/epoxide functional ratio values for three of these pairs, were recorded in the 200 K to T g (glass-transition temperature) Οͺ 50 K temperature range. The curves display a quasi
## Abstract Large positive thermal expansion in polymers is one of the major drawbacks in using polymers in applications where the sample dimensions play an important role. In this paper, we report a method to vary the thermal expansion of PMMAβbased polymer composites by blending with a negative t