Toughening of polymers by self-assembling molecules

被引：0
|
作者：
Stendahl, JC
Li, LM
Zubarev, ER
Chen, YR
Stupp, SI [1 ]
机构：
[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[3] Northwestern Univ, Dept Med, Evanston, IL 60208 USA
[4] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
来源：
ADVANCED MATERIALS | 2002年 / 14卷 / 21期
关键词：
D O I：
10.1002/1521-4095(20021104)14:21<1540::AID-ADMA1540>3.0.CO;2-T
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Dendron rod-coil molecules (DRCs) spontaneously assemble into birefringent gel-forming networks when added to styrene in small amounts. It is shown that DRC gel derived polystyrene (PS) has greater birefringence than the PS homopolymer when drawn under similar conditions. The dispersed DRC nanophase is responsible for a 70% increase in impact strength over the PS homopolymer, as well as interesting fracture behavior (see Figure).
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页码：1540 / +
页数：5
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