Long-time structural relaxation in poly(vinyl-chloride) below glass transition

被引：2

作者：

Lebedev, VT ^{[1
]}

Török, G

Cser, L

机构：

[1] Petersburgh Nucl Phys Inst, Gatchina 188350, St Petersburg D, Russia

[2] Res Inst Solid State Phys, H-1525 Budapest, Hungary

来源：

PHYSICA B | 2000年 / 276卷

关键词：

polymer; structure; polarized neutron;

D O I：

10.1016/S0921-4526(99)01501-X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have studied the plasticized poly(vinyl-chloride) in the bulk by polarized neutrons. The long heat treatment (similar to 10(6) a) at T = 45 degrees C < T-G = 60 degrees C below glass transition induces molecular ordering at distances larger than coil size. The annealing at 180 degrees C < T-M = 230 degrees C below melting temperature of crystallites breaks the structure to segmental scale fluctuation for time similar to 10(3) s. The reptation mechanism of ordering is discussed. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：400 / 401

页数：2