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Modification of epoxy-reinforced glass-cloth composites with a perfluorinated alkyl ether elastomer (1984)

Taylor, M. ; Rosser, R. W. ; Chen, T. S.

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Publication Date: 2011-08-18

Description: A perfluorinated alkyl ether diacyl fluoride prepolymer (molecular weight about 1500) was coreacted with Epon 828 epoxy resin and diamino diphenyl sulfone to obtain an elastomer-toughened, glass-cloth composite. Improvements in flexural toughness, impact resistance, and water resistance, without loss of strength, modulus of elasticity or a lowering of the glass-transition temperature, were realized over those of the unmodified composite. Factors concerning optimization of the process are discussed. Results suggest that a simultaneously interpenetrating polymer network may be formed which gives rise to a measured improvement in composite mechanical properties.

Keywords: COMPOSITE MATERIALS

Type: Polymer Composites (ISSN 0272-8397); 5; 198-201

Format: text

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