Synthesis of a Bifunctional Initiator for Controlled Kumada Catalyst-Transfer Polycondensation/Nitroxide-Mediated Polymerization and Preparation of Poly(3-hexylthiophene)-Polystyrene Block Copolymer Therefrom

被引：85

作者：

Kaul, Elisabeth ^{[1
]}

Senkovskyy, Volodymyr ^{[1
]}

Tkachov, Roman ^{[1
]}

Bocharova, Vera ^{[1
]}

Komber, Hartmut ^{[1
]}

Stamm, Manfred ^{[1
]}

Kiriy, Anton ^{[1
]}

机构：

[1] Leibniz Inst Polymerforsch Dresden eV, D-01069 Dresden, Germany

来源：

MACROMOLECULES | 2010年 / 43卷 / 01期

关键词：

CHAIN-GROWTH POLYMERIZATION; CONTROLLED MOLECULAR-WEIGHT; REGIOREGULAR POLYTHIOPHENE; POLY(P-PHENYLENE); POLYFLUORENE; DIBLOCK; CELLS;

D O I：

10.1021/ma902354j

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Herein, we present a new approach to synthesize rod-coil block copolymers via consecutive Kumada catalyst-transfer polycondensation (KCTP) and nitroxide-mediated free radical polymerization (NMP) performed from a bifunctional initiator, TIPNO-Ph-Ni(dppp)-Br (TIPNO = 2,2,5-trimethyl-4-phenyl-3-azahexane-3-nitroxide; dppp = propane-1,3-diylbis(diphenylphosphane). The Utility Of the method was exemplified in a preparation of a model block copolymer, poly(3-hexylthiophene)-block-polystyrene (P3HT-b-PS) with a relatively narrow molecular weight distribution of 1.33. Synthesis of the bifunctional initiator was accomplished by a reaction of diethylbipyridylnickel with a readily accessible Precursor. TIPNO-Ph-Br, followed by ill situ replacement of the bipyridyl ligand onto bidentate phosphorus one.

引用

页码：77 / 81

页数：5

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