Characterization of mechanical properties of γAl2O3 dispersed epoxy resin cured by γ-ray radiation

Epoxy resins are widely utilized as high performance thermosetting resins for many industrial applications, but they are characterized by relatively low toughness. Incorporation of rigid inorganics is suggested to improve the mechanical properties of epoxy resins. An attempt is made to disperse nano...

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Bibliographic Details
Published in:Journal of applied polymer science 2004-02, Vol.91 (3), p.1898-1903
Main Authors: Jin Kim, Dong, Hyun Kang, Phil, Chang Nho, Young
Format: Article
Language:English
Subjects:
Applied sciences
epoxy resin
Exact sciences and technology
flexural properties
nanosized γ-alumina
Physicochemistry of polymers
Polymer industry, paints, wood
Technology of polymers
γ-ray curing
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Summary:Epoxy resins are widely utilized as high performance thermosetting resins for many industrial applications, but they are characterized by relatively low toughness. Incorporation of rigid inorganics is suggested to improve the mechanical properties of epoxy resins. An attempt is made to disperse nanosized γ‐Al2O3 particles into diglycidyl ether of bisphenol A epoxy resins for the improvement of the mechanical properties. These hybrid epoxy–alumina composites are prepared using by the γ‐ray curing technique conducted at 100 kGy under nitrogen at room temperature. The composites are characterized by determining the gel content, flexural strength, Youngis modulus, and toughness at room temperature using scanning electron microscopy and FTIR studies. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 91: 1898–1903, 2004
ISSN:0021-8995
1097-4628
DOI:10.1002/app.13250