Dielectric Relaxation in a Thermosetting Polyimide Modified with a Thermoplastic Polyimideстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Relaxation processes in glass-fiber-reinforced composites with a polymer matrix based on blends of thermosetting and thermoplastic polyimides are studied via dielectric-relaxation spectroscopy. For all investigated blends, two relaxation processes related to the beta relaxation of different fragments of the polymer chain are found. Linear flexible-chain polyimide incorporated into the polymer matrix serves as a plasticizer.