Glass transition of an epoxy resin - A wideband dielectric investigation

被引：10

作者：

Santucci, SC ^{[1
]}

Corezzi, S

Fioretto, D

Capaccioli, S

Casalini, R

Lucchesi, M

Presto, S

Rolla, PA

机构：

[1] Univ Perugia, INFM, I-06100 Perugia, Italy

[2] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2001年 / 8卷 / 03期

关键词：

D O I：

10.1109/94.933346

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The dynamics of an epoxy resin, poly(phenyl glycidyl ether-co-formaldehyde), has been investigated in the supercooled and glassy phases by wideband dielectric spectroscopy (10(-2) to 3x10(9) Hz) and compared with that of the previously investigated epoxy resin, diglycidyl ether of bisphenol-a. The temperature evolution of the dynamics of the system is monitored through the characteristic parameters of the relaxations, namely the relaxation times, the relaxation strengths and the shape parameters. Two transition regions are revealed: the glass transition and the split between structural and fast secondary relaxation, where the onset of the structural relaxation is located also.

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收藏

页码：373 / 376

页数：4

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