Phase behavior of poly(3-alkylthiophene)/polystyrene blends

被引：25
|
作者：
Lee, Youngmin [1 ,2 ]
Kim, Jin Kon [1 ,2 ]
Chiu, Chu-Han [3 ]
Lan, Yi-Kang [3 ]
Huang, Ching-I [3 ]
机构：
[1] Pohang Univ Sci & Technol, Natl Creat Res Initiat Ctr Block Copolymer Self A, Dept Chem Engn, Pohang 790784, Kyungbuk, South Korea
[2] Pohang Univ Sci & Technol, Polymer Res Inst, Pohang 790784, Kyungbuk, South Korea
[3] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 10617, Taiwan
来源：
POLYMER | 2009年 / 50卷 / 20期
关键词：
Phase behavior; P3AT/PS blend; Monte Carlo simulation; ELECTRICAL-CONDUCTIVITY; MOLECULAR SIMULATION; POLYMER; MISCIBILITY;
D O I：
10.1016/j.polymer.2009.08.012
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Phase diagrams of blends consisting of poly(3-n-alkylthiopene) having four different n-alkyl side chain lengths (n = 4, 6, 8,12) and polystyrene (PS) were obtained by turbidity measurement. All of the P3AT/PS blends employed in this study exhibited the upper critical solution temperature (UCST) type phase behavior. From n=4 [poly(3-butylthipene)] to n=6 [poly(3-hexylthipene)], the miscibility between P3AT/PS blends decreased, but with further increase in the value of n, the miscibility increased. Thus, the miscibility of the P3HT/PS blend becomes the least among four blend pairs. This interesting phase behavior depending on n was successfully illustrated via the combination of Monte Carlo simulation and molecular dynamics. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4944 / 4949
页数：6
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