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Changes in physical properties of polycarbonate by absorbed water

โœ Scribed by Eiko Ito; Yasuji Kobayashi

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
281 KB
Volume
22
Category
Article
ISSN
0021-8995

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โœฆ Synopsis

In this paper, we report the changes in physical properties of polycarbonate caused by absorbed water and supply basic data for the application of this effect. Absorbed water increases monotonously with increase in relative humidity. Along with the increase in absorbed water, the relaxation time of the 6 process increases, the glass transition temperature rises, the area of the endothermic peak at the glass transition temperature increases, and the dynamic Young's modulus decreases. We conclude that the absorbed water fills holes but does not function as a crosslinking agent.

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