A PHYSICAL AGING EFFECT OBSERVED IN THE 60 KHZ DOMAIN OF MELT-CAST POLY(METHYL METHACRYLATE) BY CPPEMAS 13C-NMR RELAXATION MEASUREMENTS

被引:2
作者
ALLEN, PEM [1 ]
HAGIAS, S [1 ]
HOUNSLOW, AM [1 ]
WILLIAMS, DRG [1 ]
机构
[1] UNIV ADELAIDE,DEPT CHEM ENGN,ADELAIDE,SA 5001,AUSTRALIA
基金
澳大利亚研究理事会;
关键词
D O I
10.1016/0014-3057(90)90060-H
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
An ageing effect on T1e(C), determined by CPPEMAS 13C-NMR measurements, has been demonstrated in melt-cast poly(methyl methacrylate). It is necessary to devise appropriate annealing procedures for melt-cast polymer test samples. © 1990.
引用
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页码:493 / 494
页数:2
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