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Molecular State and Mechanical Properties of Epoxy Hybrid Composite

Published online by Cambridge University Press:  10 February 2011

M. Hussain ,
S. Nishijima ,
A. Nakahira ,
T. Okada  and
K. Niihara
M. Hussain
Affiliation:
Bangladesh Insulator and Sanitaryware Fact.Ltd, Bux Nagar, Mirpur, Dhaka-1216, Bangladesh
S. Nishijima
Affiliation:
ISIR Osaka Univ., 8-1, Mihogaoka, Ibaraki, Osaka, 567, Japan
A. Nakahira
Affiliation:
Dept. Inorganic Mater.,Kyoto Institute of Tech.,Matsugasaki,Sakyo-ku, Kyoto 606, Japan
T. Okada
Affiliation:
ISIR Osaka Univ., 8-1, Mihogaoka, Ibaraki, Osaka, 567, Japan
K. Niihara
Affiliation:
ISIR Osaka Univ., 8-1, Mihogaoka, Ibaraki, Osaka, 567, Japan
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Abstract

A hybrid nanocomposite was prepared from the combination of an epoxy resin with a dispersion of nanometer-sized silica particles prepared by hydrolysis of silicon tetra alkoxides A silane coupling agent was used to improve the filler-matrix interface by crosslinking into the epoxy networks. Silica dispersion caused the increase of nanometer size voids evaluated by the positron annihilation method and the decrease of Vickers hardness. The use of coupling agent also brought about the decrease of nanometer size voids and the increase in hardness.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 435: Symposium V – Better Ceramics Through Chemistry VII , 1996 , 369
Copyright
Copyright © Materials Research Society 1996

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