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Epoxy resin cured by bisphenol A based benzoxazine

✍ Scribed by Hajime Kimura; Akihiro Matsumoto; Kiichi Hasegawa; Keiko Ohtsuka; Akinori Fukuda

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
218 KB
Volume
68
Category
Article
ISSN
0021-8995

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✦ Synopsis

Bisphenol A based benzoxazine was prepared from bisphenol A, formaline, and aniline. This benzoxazine was used as a hardener of the epoxy resin. Curing behavior of the epoxy resin and the properties of the cured resin were investigated. Consequently, curing reaction proceeded without a curing accelerator. The molding compound showed good thermal stability under 150ЊC, which corresponded to the temperature in the cylinder of injection molding. Above 150ЊC, the curing reaction proceeded rapidly. The cured epoxy resin showed good heat resistance, water resistance, electrical insulation, and mechanical properties compared with the epoxy resin cured by the bisphenol A type novolac.

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