Volume 30, Issue 9 pp. 3625-3647
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Physical properties of barium titanate-filled rubber-modified epoxies

Mun-Fu Tse

Corresponding Author

Mun-Fu Tse

AT&T Technologies, Inc., Engineering Research Center, Princeton, New Jersey 08540

Exxon Chemical Company, P.O. Box 241, Baton Rouge, Louisiana 70821===Search for more papers by this author
First published: September 1985
Citations: 6

Abstract

Rubber-modified epoxies (RME) filled with different levels of barium titanate (BaTiO3) have been characterized by using DSC, TGA, and TMA. The presence of the filler does not affect the glass transition temperature or the activation energy of pyrolysis; however, it does change other thermal properties. The dielectric constant increases markedly, but the dissipation factor remains fairly constant with increasing BaTiO3 loading. The polymers, in MEK, exhibit slightly different degrees of swelling and their sol fractions vary. Mechanical properties, such as stress-strain relation, friction, abrasion, scratch hardness, and scrape adhesion of the polymers, will be described.

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