Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 100: Issue 3
Thermal studies of DBSA-doped polyaniline/PVC blends by isothermal microcalorimetry
Authors:
Asma Afzal

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Muhammad Akhtar PINSTECH Physics Division P.O. Nilore Islamabad 45650 Pakistan

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Lars-Gunnar Svensson Bodycote Materials Testing AB Box 431 69127 Karlskoga Sweden

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Pages:
1017–1025
Online Publication Date:
02 Dec 2009
Publication Date:
01 Jun 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0615-1
Keywords:
Blends; Microcalorimetry; HFC; Polyaniline
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Abstract  

A series of blends of dodecylbenzenesulfonic acid (DBSA)-doped polyaniline (PANDR) and PVC were synthesized by solution blending technique and investigated by heatflow microcalorimetry (HFC) for thermal and oxidative stability and for PVC–PANDR compatibility. FTIR results provided evidence for strong dipole–dipole interactions between PANDR and PVC. The energy of the oxidation is independent of the composition. The interaction energy and thermal stability increased with the increase of PANDR content in the blend. The activation energies calculated by using Arrhenius relationship can be employed for accelerated ageing of the synthesized blends. It has been observed that the average degradation of PANDR component is higher than that of PVC.

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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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