Difficult reptation of star-shaped polystyrenes in their blends with poly(methyl methacrylate)

被引：0
|
作者：
Dondos, A [1 ]
Christopoulou, V
Papanagopoulos, D
机构：
[1] Univ Patras, Dept Chem Engn, Patras 26500, Greece
[2] Inst Chem Engn & High Temp Proc, Patras 26500, Greece
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2000年 / 21卷 / 15期
关键词：
D O I：
10.1002/1521-3927(20001001)21:15<1086::AID-MARC1086>3.0.CO;2-Q
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Films of polystyrene/poly(methyl methacrylate) (PS/PMMA) blends are obtained from solution after evaporation of the solvent. The degree of mixing of the two polymers is studied using scanning electron microscopy after selective elimination of the PS phase. Using star-shaped instead of linear PS, an important degree of mixing is observed. This must be attributed to difficult reptation of the star-shaped chains due to the high number of entanglements between star-shaped PS and PMMA compared to the entanglements between learn PS and PMMA.
引用
收藏
页码：1086 / 1088
页数：3
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