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

页码：4944 / 4949

页数：6

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