MOLECULAR-WEIGHT OF POLYANILINE SYNTHESIZED BY OXIDATION OF ANILINE WITH AMMONIUM PERSULFATE AND WITH FERRIC-CHLORIDE

被引:19
作者
DAVIED, S [1 ]
NICOLAU, YF [1 ]
MELIS, F [1 ]
REVILLON, A [1 ]
机构
[1] CNRS,MAT ORGAN PROPRIETES SPECIF LAB,F-69390 VERNAISON,FRANCE
关键词
D O I
10.1016/0379-6779(94)02385-C
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The results of molecular weight (MW) determinations by GPC on polyaniline (PAn) (as leucoemeraldine base (LEE)) synthesized by oxidation of aniline (An) with ammonium persulfate (AP) and with ferric chloride (FC) are presented together with dynamic light scattering (DLS) and viscosity measurements. After extraction with acetonitrile (AN) and tetrahydrofuran (THF), PAn shows a unimodal MW distribution. The Mn and Mw of PAn synthesised with AP and FC are: 9,900, 50,700 and 13,500, 55,300, respectively. The intensity-weighted particle size distribution (PSDI) determined by DLS in LEE solutions is also unimodal. The mean diameter of the LEE macromolecules is 5 and 7 nm for PAn synthesised with AP and FC, respectively.
引用
收藏
页码:125 / 126
页数:2
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