MISCIBILITY OF POLY(VINYLIDENE FLUORIDE) AND POTASSIUM-SALT OF POLY(METHYL METHACRYLATE-RAN-METHACRYLIC ACID)

被引：5
|
作者：
LEUNG, LM
LO, KKC
机构：
[1] Hong Kong Baptist College, Department of Chemistry, Kowloon
来源：
POLYMER INTERNATIONAL | 1995年 / 36卷 / 04期
关键词：
CRYSTALLINE-AMORPHOUS BLEND; POLY(VINYLIDENE FLUORIDE); COPOLYMER OF METHYL METHACRYLATE AND POTASSIUM SALT OF METHACRYLIC ACID THERMAL ANALYSIS; INTERACTION PARAMETER;
D O I：
10.1002/pi.1995.210360406
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The crystalline-amorphous polymer pair of poly(vinylidene fluoride) and poly(methyl methacrylate) is known to be miscible over a wide composition range. The effects of ionic moieties on the miscibility were studied by replacing the poly(methyl methacrylate) with a series of random copolymers of methyl methacrylate and potassium salt of methacrylic acid. The interaction parameter (chi) for the miscible blends in their molten state was obtained by thermal analysis using a melting-point depression calculation. The parameter decreased to a minimum at c. 2% ion content (chi = -0.514) and approached a positive value at above 10% ion concentration.
引用
收藏
页码：339 / 344
页数：6
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