A liquid elastomer for epoxy resin toughening

Rao, RMVGK and Padma, A and Subramaniam, C (1994) A liquid elastomer for epoxy resin toughening. High Performance Polymer, 6 (1). pp. 63-70. ISSN 0954-0083

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Abstract

A liquid elastomcr was synthesized using butyl acrylate, acrylic acid and acrylonitrile. The elastomer was characterized and used as a toughener for a high-functionality novolac epoxy resin to improve the impact strength of the resin castings. A chemical reaction between the epoxy resin used and the liquid elastomer synthesized was confirmed by infrared and dynamic mechanical analysis. Preliminary results indicated a 66% increase in impact strength of the castings with addition of 10% by weight of the elastomer. Scanning electron micrographs of the fractured surfaces showed the phase separation of the elastomer.

Item Type: Article
Uncontrolled Keywords: Liquid elastomer, Epoxy resin toughening,
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Ms Indrani V
Date Deposited: 25 Jul 2011 05:40
Last Modified: 25 Jul 2011 05:40
URI: http://nal-ir.nal.res.in/id/eprint/9594

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