Preparation and structural characterization of C70 chemically modified poly(N-vinylcarbazole)

被引：22

作者：

Cai, RF ^{[1
]}

Bai, X ^{[1
]}

Chen, Y ^{[1
]}

Huang, ZE ^{[1
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

来源：

EUROPEAN POLYMER JOURNAL | 1998年 / 34卷 / 01期

关键词：

D O I：

10.1016/S0014-3057(97)00081-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report the synthesis of C-70 chemically modified poly(N-vinylcarbazole) through direct reaction of carbanion intermediates of PVK with C-70 The structure of this polymer was confirmed by a variety of characterization techniques such as UV-visible, FT-IR, GPC, TGA, ESR, C-13 NMR, and SEM. The results show that this novel polymer has a visible earthy grey cast when compared with the unreacted polymer (PVK), and is highly soluble in some common organic solvents. The C-70 chemically modified PVK has a new structure in the UV-vis absorption spectrum and extends the active range from about 280 to 750 nm. The thermal stability of pure PVK is apparently enhanced by C-70 chemical modification. It is also found that in this polymer there are two main kinds of paramagnetic species. (C) 1997 Elsevier Science Ltd.

引用

页码：7 / 12

页数：6

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