THE MISCIBILITY WINDOW OF POLY(METHYLMETHACRYLATE) POLY(STYRENE-CO-ACRYLONITRILE) BLENDS

被引：193
|
作者：
SUESS, M [1 ]
KRESSLER, J [1 ]
KAMMER, HW [1 ]
机构：
[1] TECH UNIV DRESDEN,DEPT CHEM,MOMMSENSTR 13,DDR-8027 DRESDEN,GER DEM REP
来源：
POLYMER | 1987年 / 28卷 / 06期
关键词：
COPOLYMERS - Solubility - LIGHT - Scattering - MICROSCOPIC EXAMINATION - POLYMERS - Glass Transition;
D O I：
10.1016/0032-3861(87)90169-8
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 miscibility behavior of poly(methylmethacrylate)/poly(styrene-co-acrylonitrile) (PMMA/SAN) blends with changes in blend ratio and acrylonitrile content of SAN was investigated by laser light scattering. The results show a miscibility window in the temperature versus copolymer composition plane. The phase morphology was observed over the whole copolymer composition and temperature area by light microscopy. A highly interconnected two-phase structure which occurs just above the lower critical solution temperature can also be found at room temperature in a certain region just outside the composition of the miscibility window. The differential scanning calorimetry trace of miscible systems displays a broadening at high PMMA contents in the blend.
引用
收藏
页码：957 / 960
页数：4
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