Spatially-confined crystallization of poly(vinylidene fluoride)

被引:0
作者
Yang, XN [1 ]
Kong, XH [1 ]
Tan, SS [1 ]
Li, G [1 ]
Ling, W [1 ]
Zhou, EL [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
关键词
poly(vinylidene fluoride); confined crystallization; polymer morphology; metastable; poly(methyl methacrylate);
D O I
10.1002/1097-0126(200011)49:11<1525::AID-PI563>3.0.CO;2-I
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Nanometre-sized poly(vinylidene fluoride) (PVDF) particle domains in a confined space were obtained by blending PVDF with excess poly(methyl methacrylate) (PMMA). When these particles were small enough they showed beta -form structure, which was different from the structure of bigger particles or PVDF bulk. However, the beta -form was thermodynamically metastable because it could eventually be transformed to a more stable phase by annealing at a certain temperature. Larger particle domains were of identical phase to the bulk, indicating that small size favours the formation of the beta -form. (C) 2000 Society of Chemical Industry.
引用
收藏
页码:1525 / 1528
页数:4
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