A COMPARISON OF THE MOLECULAR-WEIGHTS OF POLYANILINE SAMPLES OBTAINED FROM GEL-PERMEATION CHROMATOGRAPHY AND SOLID-STATE N-15 NMR-SPECTROSCOPY

被引:71
作者
ADAMS, PN [1 ]
APPERLEY, DC [1 ]
MONKMAN, AP [1 ]
机构
[1] UNIV DURHAM,DEPT PHYS,ORGAN ELECTROACT MAT GRP,DURHAM DH1 3LE,ENGLAND
关键词
MOLECULAR WEIGHT; POLYANILINE; GEL PERMEATION CHROMATOGRAPHY;
D O I
10.1016/0032-3861(93)90085-O
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Polyaniline samples of different molecular weights were prepared using aniline enriched with N-15. Molecular weights were determined by gel permeation chromatography (g.p.c.). N-15 n.m.r. spectroscopy confirmed that both samples were in the emeraldine oxidation state, and end group analysis techniques were used to compare molecular weights derived from g.p.c. with those from the n.m.r. data. In addition, the N-15 solid state n.m.r. spectra of emeraldine hydrochloride and a solvent-cast, oriented film of emeraldine base are presented.
引用
收藏
页码:328 / 332
页数:5
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