Conductivity of polyaniline/1,2,4-trichlorobenzene composites during freezing and melting transitions

Sáha, Petr; Vilčáková, Jarmila; Quadrat, Otakar; Stejskal, Jaroslav

dc.title	Conductivity of polyaniline/1,2,4-trichlorobenzene composites during freezing and melting transitions	en
dc.contributor.author	Sáha, Petr
dc.contributor.author	Vilčáková, Jarmila
dc.contributor.author	Quadrat, Otakar
dc.contributor.author	Stejskal, Jaroslav
dc.relation.ispartof	Physica A
dc.identifier.issn	0378-4371 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued	2001
utb.relation.volume	301
utb.relation.issue	1-4
dc.citation.spage	29
dc.citation.epage	36
dc.type	article
dc.language.iso	en
dc.publisher	Elsevier Science B.V.	en
dc.identifier.doi	10.1016/S0378-4371(01)00428-9
dc.relation.uri	https://www.sciencedirect.com/science/article/pii/S0378437101004289
dc.subject	conductivity	cs
dc.subject	polyaniline	cs
dc.subject	1,2,4-trichlorobenzene	cs
dc.subject	polymer composite	cs
dc.subject	suspension	cs
dc.subject	organization of particles	cs
dc.subject	electric field	cs
dc.subject	percolation	cs
dc.subject	conductivity	en
dc.subject	polyaniline	en
dc.subject	1,2,4-trichlorobenzene	en
dc.subject	polymer composite	en
dc.subject	suspension	en
dc.subject	organization of particles	en
dc.subject	electric field	en
dc.subject	percolation	en
dc.description.abstract	Polyaniline suspensions in 1,2,4-trichlorobenzene produced solid composites after freezing. Changes in electric conductivity after the solidification and during the melting transition have been investigated in dependence on conducting polymer concentration. Below the percolation threshold, the conductivity of frozen composites was lower than that of original suspensions. If conducting particle concentration was above this critical value, then the conductivity increased after the suspension froze. Conductivity both in the liquid and in the solid state was higher when polyaniline particles in the suspensions were polarized in electric field. In this case, conductive pathways connecting the electrodes were produced by organized particle chains. (C) 2001 Elsevier Science BN. All rights reserved.	en
utb.faculty	Faculty of Technology
dc.identifier.uri	http://hdl.handle.net/10563/1000033
utb.identifier.rivid	RIV/70883521:28110/01:63500236
utb.identifier.obdid	11051820
utb.identifier.scopus	2-s2.0-0035576048
utb.identifier.wok	000172594500003
utb.source	j-riv
utb.contributor.internalauthor	Vilčáková, Jarmila
utb.contributor.internalauthor	Sáha, Petr
utb.fulltext.affiliation	Jarmila Vilčáková a , Petr Sáha a , Otakar Quadrat b;∗ , Jaroslav Stejskal b a Thomas Bata University in Zlín, Faculty of Technology, 762 72 Zlín, Czech Republic b Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovskeho Sq.2, 162 06 Prague 6, Czech Republic ∗ Corresponding author. Tel.: +42-02-2040-3360; fax: +42-02-367-981. E-mail address: quadrat@imc.cas.cz (O. Quadrat).
utb.fulltext.dates	Received 17 January 2001
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utb.fulltext.sponsorship	The authors wish to thank the Grant Agency of the Academy of Sciences of the Czech Republic (A4050907) for the 3nancial support.
utb.wos.affiliation	Thomas Bata University in Zlõn, Faculty of Technology, 762 72 Zlõn, Czech Republic; Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovskeho Sq.2, 162 06 Prague 6, Czech Republic
utb.fulltext.projects	A4050907