Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 94: Issue 2
Effect of accelerated thermal ageing on the thermal behaviour of the recently made parchments
Authors:
P. Budrugeac National Institute for Research and Development in Electrical Engineering ICPE-CA Splaiul Unirii 313 Bucharest 030138 Romania

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Lucreţia Miu National Research and Development Institute for Textile and Leather-Division Leather and Footwear Research Institute str. Ion Minulescu 93 031215 Bucharest Romania

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Pages:
335–342
Online Publication Date:
13 Nov 2008
Publication Date:
01 Nov 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-008-9103-2
Keywords:
accelerated thermal degradation; parchment; SEM; thermal analysis
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Abstract  

To reveal the fire injuring of parchment, the changes in the thermal behaviour of some goat parchments, obtained from skins originating from different animals, as a result of thermal aging were determined by thermal analysis methods (DSC; simultaneous TG/DTG, DSC; micro hot table (MHT)). Thermal aging of parchments was revealed to bring about the decrease in shrinkage temperature, absolute value of enthalpy of denaturation in water and some changes in non-isothermal parameters characteristic for dehydration process in static air atmosphere. The results obtained by DSC analysis performed in N2 and O2 flows as well as those obtained by simultaneous TG/DTG, DSC analyses have shown that both softening (melting) process parameters and parameters of thermo-oxidative processes have not been changed by thermal ageing. The results obtained by thermal analysis methods were correlated with those obtained by microscopic investigation of parchment samples immersed in water and scanning electron microscopy (SEM). The application of these microscopic techniques has revealed the morphology changes in the investigated parchments as a result of thermal degradation.

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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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