MISCIBILITY IN COPOLYMER BLENDS OF POLY(VINYL CHLORIDE-CO-VINYL ACETATE) AND POLY(METHYL-CO-HEXYL ACRYLATE)

被引：0
|
作者：
JIN, BS
KIM, SC
LEE, DS
机构：
[1] SUNGKYUNKWAN UNIV, DEPT TEXT ENGN, KYUNGKI 170, SOUTH KOREA
[2] KOREA ADV INST SCI & TECHNOL, DEPT CHEM ENGN, TAEJON 305701, SOUTH KOREA
来源：
POLYMER JOURNAL | 1992年 / 24卷 / 11期
关键词：
MISCIBILITY; POLY(VINYL CHLORIDE-CO-VINYL ACETATE) COPOLYMER; POLY(METHYL-CO-HEXYL ACRYLATE) COPOLYMER; SEGMENTAL INTERACTION PARAMETER; MEAN FIELD THEORY; COMPOSITION COMPOSITION DIAGRAM;
D O I：
10.1295/polymj.24.1189
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 phase behavior in 50/50wt% binary random copolymer blends of poly(vinyl chloride-co-vinyl acetate) and poly(methyl-co-hexyl acrylate) was studied. The blends had a miscibility window and exhibited LCST behavior. The miscibility was determined as a function of composition of each copolymer and displayed in composition-composition diagram [C-C diagram]. The segmental interaction parameters between monomer units comprising the blends were calculated by applying the mean field theory expression to the C-C diagram. Using the segmental interaction parameters, blend interaction parameters which represent the miscibility of the blend system quantitatively, were also estimated. From the calculated values, it was found that the segmental interactions of vinyl acetate unit with other units were strongly repulsive and had significant effect on the miscibility.
引用
收藏
页码：1189 / 1195
页数：7
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