Synthesis and characterization of a novel coil-rod-coil triblock copolymers comprised of regioregular poly(3-hexylthiophene) and poly(methyl methacrylate) segments

被引：37

作者：

Higashihara, Tomoya ^{[1
]}

Ueda, Mitsuru ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2009年 / 69卷 / 07期

基金：

日本学术振兴会;

关键词：

Poly(3-hexylthiophene); Poly(methyl methacrylate); Grignard metathesis polymerization; Living anionic polymerization; 1,1-Diphenylethylene; Block copolymer; CHAIN-GROWTH POLYMERIZATION; BLOCK-COPOLYMERS; POLYSTYRENE SEGMENTS; FACILE SYNTHESIS; SOLAR-CELLS; POLYTHIOPHENE;

D O I：

10.1016/j.reactfunctpolym.2008.12.004

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The synthesis of a new coil-rod-coil ABA triblock copolymers comprised of regioregular poly(3-hexylthiopene) (P3HT) and poly(methyl methacrylate) (PMMA) segments has been demonstrated by the combination of quasi-living Grignard metathesis (GRIM) polymerization and living anionic polymerization based on 1,1-diphenylethylene (DPE) chemistry. The method involves simple reaction steps, an in situ introduction of DPE moieties at the alpha,omega-ends of P3HT and the lithiation with sec-butyl lithium (sec-BuLi) to generate a macroinitiator bearing 1,1-diphenylalkyl anions, followed by cross-over to MMA. The selective alpha,omega-ends di-functionalization is a key step to achieve the ABA structure. The structural homogeneity of the precursor and block copolymer has been confirmed by gel permeation chromatography (GPC), GPC-right angle laser light scattering (RALLS), and nuclear magnetic resonance (NMR). The block copolymer has been fully characterized by differential scanning calorimetry (DSC), thermogravimetry analysis (TGA), Ultra-violet-visible (UV-vis) and photo luminescent (PL) spectroscopies, and atom force microscopy (AFM). (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：457 / 462

页数：6

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