Interaction between poly(vinyl pyridine) and poly(2,6-dimethyl-1,4-phenylene oxide): A copolymer blend miscibility study

被引：4

作者：

de Wit, Joost ^{[1
]}

van Ekenstein, Gert Alberda ^{[1
]}

ten Brinke, Gerrit ^{[1
]}

机构：

[1] Univ Groningen, Polymer Chem Lab, Ctr Mat Sci, NL-9747 AG Groningen, Netherlands

来源：

POLYMER | 2007年 / 48卷 / 06期

关键词：

random copolymer blend; interaction; phase behavior;

D O I：

10.1016/j.polymer.2007.01.032

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 phase behavior of blends of poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) with random copolymers of styrene and 2-vinyl pyridine, Poly(S-co-2VP), as well as with random copolymers of styrene and 4-vinyl pyridine, Poly(S-co-4VP), has been investigated in order to estimate the values of the Flory-Huggins parameters chi(PPO),(2vp) and chi(PPO,4VP) between PPO and 2-vinyl pyridine, resp. 4-vinyl pyridine. Using previously estimated values for the Flory-Huggins parameters 0.09 < chi(S,2VP) < 0.11 and 0.30 < chi(S,4VP) < 0.35, together with the literature value of chi(S,PPO) = -0.043, the phase behavior observed as a function of the copolymer composition results in 0.11 <= chi(PPO,2VP) C 0.12 and 0.46 <= chi(PPO,4VP) < 0.48. Insight in the interaction between PPO and poly(vinyl pyridine) is of considerable interest for several nanotechnology developments, since PPO is used to improve the mechanical properties of e.g. PS-block-P4VP nanorods. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1606 / 1611

页数：6

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