Glass transition temperature of nylon 6—Inorganic salt mixtures
作者:
Hyo‐gun Kim,
Paul J. Harget,
期刊:
Journal of Applied Physics
(AIP Available online 1979)
卷期:
Volume 50,
issue 10
页码: 6072-6076
ISSN:0021-8979
年代: 1979
DOI:10.1063/1.325796
出版商: AIP
数据来源: AIP
摘要:
The glass transition temperature of nylon 6–inorganic salt mixtures has been investigated.Tgnot only increases monotonically with the salt content but the rate of increase depends on the type of salt. Infrared measurements indicate that metal ions form adducts with the amide group, and, as a result, the nylon chains are stiffened. This effect appears to be a major cause of theTgincrease. The adduct formation between the ions and the amide group is very similar to hydration of ions and the observed effect of ions on theTgof nylon 6 is similar to the effect of the same ions on hydration. The effect is also shown well correlated toQ/Rof the ion, the ratio of the oxidation number to ionic radius of the ion.
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