Effect of molecular structure of styrene-butadiene block copolymers on morphology, rheological properties, and impact strength of polystyrene/polyethylene blends

被引：20
|
作者：
Fortelny, I [1 ]
Mikesová, J [1 ]
Hromádková, J [1 ]
Hasová, V [1 ]
Horák, Z [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2003年 / 90卷 / 09期
关键词：
blends; compatibilization; block copolymers; polyethylene; polystyrene;
D O I：
10.1002/app.12730
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 effect of molecular structure of six model styrene-butadiene (SB) block copolymers with various number of blocks and two lengths of styrene blocks on morphology, rheological properties, and impact strength of polystyrene (PS)/high-density polyethylene (PE) blends was studied. It was found that location of SB copolymers in the blends is determined by the length of styrene blocks. The length of styrene blocks has similar effects on impact strength and linear viscoelastic properties of the blends. On the other hand, the correlation was not found between the effects of a number of blocks on impact strength and linear viscoelastic properties of the blends. (C) 2003 Wiley Periodicals, Inc.
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收藏
页码：2303 / 2309
页数：7
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