Microphase separation in Interpenetrating Polymer Networks

被引：0
|
作者：
Kanapitsas, A
Pissis, P
Karabanova, LV
Vyras, KG
机构：
来源：
EUROMAT 97 - PROCEEDINGS OF THE 5TH EUROPEAN CONFERENCE ON ADVANCED MATERIALS AND PROCESSES AND APPLICATIONS: MATERIALS, FUNCTIONALITY & DESIGN, VOL 2: POLYMERS AND CERAMICS | 1997年
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D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Dielectric relaxation spectroscopy techniques, covering broad ranges of frequency (10(-3) - 10(9) Hz) and temperature (77 - 400 K) are used to study the mechanisms of molecular mobility and phase separation in interpenetrating polymer networks of polyurethane and butylmethacrylate-triethylene glycol dimethacrylate copolymer. Two relaxation processes were observed in the dielectric measurements: the secondary beta-relaxation (due to copolymer) and alpha-relaxation due to the glass-rubber transition of polyurethane (PUR) phase. The temperatures of primary transitions of IPNs were obtained using volume dilatometry measurements.
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页码：191 / 194
页数：4
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