Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Kousaka0
Tomohiro Ito0
Hiroyuki Okuhira0
Koichiro Miyoshi0
Masayuki Kawazoe0
Mitsuhiro Iwata0
Date of Patent
March 11, 2014
0Patent Application Number
125190370
Date Filed
December 12, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an epoxy resin composition for a fiber reinforced composite material comprising an epoxy resin (A) comprising an epoxy resin (a1) having a weight average molecular weight of up to 1,000 and an epoxy resin (a2) having a weight average molecular weight of 10,000 to 100,000 which contains at least 20% by weight of the basic skeleton of the epoxy resin (a1), a thermoplastic resin (B), and a curing agent (C). The cured composition has a co-continuous phase of the epoxy resin (A) and the thermoplastic resin (B) and/or a continuous phase of the thermoplastic resin (B). A cured product having a high toughness can be obtained from this epoxy resin composition.
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