Precision Synthesis of Poly (N-hexylpyrrole) and Its Diblock Copolymer with Poly(p-phenylene) via Catalyst-Transfer Polycondensation

被引：135

作者：

Yokoyama, Akihiro ^{[1
]}

Kato, Akira ^{[1
]}

Miyakoshi, Ryo ^{[1
]}

Yokozawa, Tsutomu ^{[1
]}

机构：

[1] Kanagawa Univ, Dept Mat & Life Chem, Kanagawa Ku, Yokohama, Kanagawa 2218686, Japan

来源：

MACROMOLECULES | 2008年 / 41卷 / 20期

关键词：

D O I：

10.1021/ma8017124

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A study was conducted to demonstrate the synthesis of poly(N-hexylpyrrole) and its diblock copolymer with poly(p-phenylene) with catalyst-transfer polycondensation. The study used Grignard type N-hexylpyrrole monomer for the polycondensation and Ni(dppe)Cl2 as the catalyst for polymerization. It was observed during the study that the presence of additional dppe in the mixture can control the polymerization. The use of gas chromatography-mass spectrometer (GC-MS) and NMR analysis showed that many types of oligomers were formed during the reaction. The stud also examined the relationship between the conversion of the monomer and the molecular weight of the polymers. The study found that a diblock copolymer of two π-conjugated polymers can be synthesized in one pot. This method can be used for catalyst-transfer polymerization in presence of ligands.

引用

页码：7271 / 7273

页数：3

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