Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 71: Issue 2
Thermal properties of fibres from a new polymer of the polyimideamide group
Authors:
G. Janowska Technical University of Łódź Institute of Polymers 90-924 Łódź Poland 90-924 Łódź Poland

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and
T. MikoŁajczyk Technical University of Łódź Department of Man-Made Fibres Łódź Poland Łódź Poland

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Pages:
549–558
Online Publication Date:
31 Oct 2004
Publication Date:
01 Feb 2003
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1022860011298
Keywords:
absorption properties; DTA; thermal stability indices; DSC; thermal properties; thermal stability; modified polyimideamide fibres; strength properties; TG; glass transition temperature
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Abstract  

The paper presents the thermal properties of fibres made of a modified polyimideamide. The effects of as-spun draw ratio and deformation during the fibre drawing stage on the structure, thermal properties, moisture absorption and tenacity of the obtained fibres have been determined. Based on the findings obtained by the DTA and DSC methods, it has been found that the modification of the polymer under investigation causes its glass transition temperature to decrease through the increase of molecular mobility. At the same time, the heat-resistant fibres with the amorphous oriented structure are characterized by a tenacity of 16 cN/tex, good absorption properties and increased porosity. The thermal stability indices of the examined fibres have been determined on the basis of thermogravimetric curves obtained both under air and inert gas.

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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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