Ferroelectric properties of nylon 11 and poly(vinylidene fluoride) blends

被引：0
|
作者：
Gao, QO [1 ]
Scheinbeim, JI [1 ]
Newman, BA [1 ]
机构：
[1] Rutgers State Univ, Coll Engn, Dept Chem & Biochem Engn, Polymer Electroproc Lab, Piscataway, NJ 08854 USA
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1999年 / 37卷 / 22期
关键词：
ferroelectricity; polymer blends; ferroelectric composites; nylon; 11; poly(vinylidene fluoride); interfacial effects;
D O I：
10.1002/(SICI)1099-0488(19991115)37:22<3217::AID-POLB6>3.0.CO;2-R
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Both poly(vinylidene fluoride) (PVF2) and nylon 11 are ferroelectric polymers, and have been extensively studied over the past two decades. Blend films were made from mixed powders of these two polymers, which were then melt pressed and cold drawn. The ferroelectric properties of these blend films were investigated. The remnant polarization, P-r, was found to vary with composition, and to be 60% larger than that of either component at a 50/50 (by weight) composition where P-r exhibited a maximum of about 90 mC/m(2). The magnitude of the coercive field, E-c, also exhibited a maximum at this composition. Both P-r and E-c are also observed to change significantly with the draw ratio. The results are discussed based on a two-phase dielectric composite model. (C) 1999 John Wiley & Sons, Inc.
引用
收藏
页码：3217 / 3225
页数：9
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