Molecular motions in glassy polycarbonate below its glass transition temperature

被引：6
|
作者：
Arrese-Igor, Silvia
Mitxelena, Olatz
Arbe, Arantxa
Alegria, Angel
Colmenero, Juan
Frick, Bernhard
机构：
[1] UPV, EHU, CSIC, Unidad Fis Mat, San Sebastian 20080, Spain
[2] UPV, EHU, Dept Fis Mat, San Sebastian 20080, Spain
[3] Donostia Int Phys Ctr, San Sebastian 20080, Spain
[4] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2006年 / 352卷 / 42-49期
关键词：
neutron diffraction/scattering; dielectric properties; relaxation; electric modulus; polymers and organics;
D O I：
10.1016/j.jnoncrysol.2006.02.168
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：
We have investigated the motion of different molecular groups in glassy polycarbonate below its glass transition temperature. The characterization of methyl group and phenylene ring motions on the one hand, and carbonate group on the other, were carried out by means of neutron scattering and dielectric spectroscopy respectively. The comparison of the results from both the techniques indicate that different motions within polycarbonate may be strongly coupled. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：5072 / 5075
页数：4
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