Effect of isomer on polymer blends miscibility: a synchrotron small angle X-ray investigation

被引：2
|
作者：
Shao, HH
Rabeony, M
Liang, KS
Siakali-Kioufala, E
Hadjichristidis, N
机构：
[1] Exxon Res & Engn Co, Corp Res Sci Labs, Annandale, NJ 08801 USA
[2] Univ Athens, Dept Chem, GR-15771 Athens, Greece
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 1999年 / 30卷 / 02期
关键词：
D O I：
10.1016/S1359-835X(98)00122-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We use synchrotron small angle X-ray scattering (SAXS), calorimetry and cloud point measurements to investigate the thermodynamic of mixing in blends of poly(cyclohexyl acrylate) with the ortho and meta isomer of poly(bromostyrene) [P2BrS, P3BrS]. PCHA is miscible with P2BrS and P3BrS with lower critical solution temperature (LCST). Measurements of the absolute scattered intensity enable determination of the Flory-Huggins chi-parameter within the framework of the de Gennes random phase approximation. The following order is observed: chi(PCKA/P2BrS) < chi(PCHA/P3BrS). (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
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页码：113 / 116
页数：4
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