Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 64: Issue 2
Structural and Thermal Characterisation of Nadimide Resins
Authors:
S. Alam Defence Materials and Stores Research and Development Establishment, DMSRDE P.O. G.T. Road Kanpur 208 013 India G.T. Road Kanpur 208 013 India

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L. Kandpal Defence Materials and Stores Research and Development Establishment, DMSRDE P.O. G.T. Road Kanpur 208 013 India G.T. Road Kanpur 208 013 India

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G. Mathur Defence Materials and Stores Research and Development Establishment, DMSRDE P.O. G.T. Road Kanpur 208 013 India G.T. Road Kanpur 208 013 India

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Pages:
487–494
Online Publication Date:
02 Nov 2004
Publication Date:
01 May 2001
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1011518211321
Keywords:
chair yield; curing; DSC; hexachloronadimides; IR; NMR; TG
Restricted access

Abstract  

A series of hexachloronadimides containing phosphine oxide in the backbone were synthesized by the reaction of bis(3-amino phenyl) methyl phosphine oxide (BAP) with pyromellitic dianhydride (PMDA)/3,3’,4,4’-benzophenone tetracarboxylic acid dianhydride (BTDA)/2,2-bis(3,4-dicarboxy phenyl) hexafluoropropane dianhydride (6F) and hexachloronadic anhydride in glacial acetic acid/acetone. Structural characterisation of the resins was carried out by infrared, nuclear magnetic resonance spectroscopy and elemental analysis. Thermal characterisation of uncured resin was done by differential scanning calorimetry and thermogravimetric analysis. The decomposition temperature of uncured resins were above 31010C with Tmax 33010C in nitrogen atmosphere. Char yield at 800C ranged from 37–42%.

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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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