Study of crosslinking AMS/DGEBA system by FTIR

Fourier transform infrared spectroscopy (FTIR) was used to follow the curing of the diglycidylether of bisphenol A (DGEBA) typical epoxide resin by poly(styrene‐alt‐maleic anhydride) (AMS), the reaction being accelerated by triethylamine (TEA) in the presence of methanol. The study was done in an is...

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Bibliographic Details
Published in:Journal of applied polymer science 1998-08, Vol.69 (6), p.1167-1178
Main Authors: Cherdoud-Chihani, A., Mouzali, M., Abadie, M. J. M.
Format: Article
Language:English
Subjects:
anhydride
Applied sciences
Chemical properties
curing
diglycidylether of bisphenol A
Exact sciences and technology
FTIR
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:Fourier transform infrared spectroscopy (FTIR) was used to follow the curing of the diglycidylether of bisphenol A (DGEBA) typical epoxide resin by poly(styrene‐alt‐maleic anhydride) (AMS), the reaction being accelerated by triethylamine (TEA) in the presence of methanol. The study was done in an isothermal mode for four temperatures: 85, 82, 80, and 75°C. We followed, for each temperature, the variation of the area of the epoxy band (916 cm−1) versus time. After 200 min of reaction, the degree of conversion of epoxy is 0.5 at 85°C. A postcure at 100°C during 96 h allows one to reach a total conversion of epoxy. The reaction mechanism involves three steps to form the tridimensional network. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 69: 1167–1178, 1998
ISSN:0021-8995
1097-4628
DOI:10.1002/(SICI)1097-4628(19980808)69:6<1167::AID-APP14>3.0.CO;2-Q