Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 68: Issue 1
Ageing of Conductive Polyaniline/Poly(Ethylene-co-Vinylacetate) Composites Studied by Thermal Methods
Authors:
D. Tsocheva Bulgarian Academy of Sciences Institute of Polymers 1113 Sofia Bulgaria 1113 Sofia Bulgaria

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T. Tsanov University of National and World Economy Department of Commodity Science Studentsky grad Ch. Botev 1100 Sofia Bulgaria Studentsky grad Ch. Botev 1100 Sofia Bulgaria

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L. Terlemezyan Bulgarian Academy of Sciences Institute of Polymers 1113 Sofia Bulgaria 1113 Sofia Bulgaria

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Pages:
159–168
Online Publication Date:
02 Nov 2004
Publication Date:
01 Apr 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1014949021329
Keywords:
ageing; crystallinity; differential scanning calorimetry; ethylene-co-vinylacetate copolymer; glass transition; polyaniline
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Abstract  

The long-term environmental ageing of conductive composite films containing ethylene-co-vinyl-acetate (EVA) copolymer and a complex of polyaniline (PANI) and dodecylbenzenesulfonic acid (DBSA) was studied by using differential scanning calorimetry (DSC). We assume that both phase separation and crosslinking of PANI main chains occur in the systems. On the other hand, the competition between PANI–DBSA complex self-organization and crystallization of EVA matrix result in structural changes and formation of continuous conductive network, responsible for significantly increased (ca five orders of magnitude) electrical conductivity of the aged films.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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