pi electron delocalization in pristine polyfuran: From the oligomers to the polymer

被引：22

作者：

Hernandez, V

Veronelli, M

Favaretto, L

Navarrete, JTL

Jones, D

Zerbi, G

机构：

[1] POLITECN MILAN,DIPARTIMENTO CHIM IND,I-20133 MILAN,ITALY

[2] CNR,ICOCEA,I-40129 BOLOGNA,ITALY

来源：

ACTA POLYMERICA | 1996年 / 47卷 / 01期

关键词：

D O I：

10.1002/actp.1996.010470109

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Chain-length-dependent pi electron delocalization is analyzed in pristine oligofurans and polyfuran by means of Fourier transform Raman spectroscopy. Neutral polyfuran shows a large frequency dispersion with conjugation length and it has not yet reached saturation at the level of the hexamer. In spite of such a large pi electron delocalization the polymer seems to show an unexpectedly good stability in air at room temperature. Regio-defined poly(2,5-difurans) could be good candidates for technological developments.

引用

页码：62 / 65

页数：4

共 23 条

[1] THEORY OF RAMAN INTENSITIES [J].