A molecular dynamics investigation of the structural characteristics of amorphous and annealed poly(vinylidene fluoride) and vinylidene fluoride-trifluoroethylene copolymers

被引:20
作者
Holman, RW [1 ]
Kavarnos, GJ [1 ]
机构
[1] USN,UNDERSEA WARFARE CTR,NEW LONDON DETACHMENT,SUBMARINE SONAR DEPT,NEW LONDON,CT 06320
关键词
poly(vinylidene fluoride); conformational analysis; molecular dynamics;
D O I
10.1016/0032-3861(96)83721-9
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Molecular dynamics (MD) computations predict that the extent of gauche-character for poly(vinylidene fluoride) (PVDF) is greater than that of its 50 mol% copolymer with trifluoroethylene, at both high temperatures and after annealing. PVDF is enriched in gauche-conformations upon cooling whereas the copolymer is enriched in trans-conformations. The MD results are consistent with the experimental trends observed for these polymers. Published by Elsevier Science Ltd.
引用
收藏
页码:1697 / 1701
页数:5
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