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E-Journal of Chemistry - Volume 1 2004, Issue 5, Pages 237-242

Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar-388 120, Gujarat, India

Received 30 June 2004; Accepted 10 September 2004

Copyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Novel unsaturated poly ester- amide resins UPEAs were prepared by the reaction between an epoxy resin, namely diglycidyl ether of bisphenol–A DGEBA and unsaturated aliphatic bisamic acids using a base catalyst. These UPEAs were then blended with a vinyl monomer namely, Vinyl acetate VA to produce a homogeneous resin syrup. The curing of these UPEAs-VA resin blends was carried out by using benzoyl peroxide BPO as an initiator for the radical polymerization and was monitored by using a differential scanning calorimeter DSC. The glass fibre reinforced composites i.e. laminates of these UPEA-VA resin blends were fabricated using the DSC data. The chemical, mechanical and electrical properties of the glass fibre composites have also been evaluated. The unreinforced cured samples of the UPEA-VA resin blends were also analyzed by thermogravimetry TGA.

Autor: H. S. Patel, K. K. Panchal, S. R. Patel, and S. N. Desai



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