Conductive polyaniline-polychloroprene blends

被引:0
作者
Pinho, MS
Gorelova, MM
Dezzoti, M
Soares, BG
Pertsin, AJ
机构
[1] Univ Fed Rio de Janeiro, Inst Macromol, Ctr Tecnol, BR-21945970 Rio De Janeiro, Brazil
[2] Russian Acad Sci, Inst Organoelement Cpds, Moscow 117813, Russia
关键词
polychloroprene; polyaniline; conductive blends;
D O I
10.1002/(SICI)1097-4628(19981121)70:8<1543::AID-APP11>3.0.CO;2-F
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The electrical conductivity of polychloroprene (CR)/polyaniline (Pani) blends prepared by bulk and solution processes were investigated. Pani doped with HCl (Pani . HCl) and p-toluenesulfonic acid (Pani . TSA) were employed in vulcanized blends obtained by the bulk process. These blends showed an increase in the conductivity only for blend composition of CR/Pani = 50:50 wt %. At this composition, blends with Pani HCl and Pani . pTSA presented conductivity values of 10(-9) and 10(-10) S . cm(-1) respectively. CR/Pani . HCl blend films prepared by the solution process displayed surface conductivity values of 10(-4) S . cm(-1) with as low as 10-15 wt % of PAni . HCl. Surface analysis of these blends by X-ray photoelectron spectroscopy indicated no traces of the conductive additive. The surface composition was found to be exclusively constituted of CR. (C) 1998 John Wiley & Sons, Inc.
引用
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页码:1543 / 1549
页数:7
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