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Title:
EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/107307
Kind Code:
A1
Abstract:
In the present invention, in order to provide an epoxy resin composition for a fiber-reinforced composite material that exhibits excellent heat resistance, toughness and workability, 8-15 parts by mass of (C) a thermoplastic resin, 2-10 parts by mass of (D) elastomer fine particles having an average particle diameter of 1000 nm or less, and 0.5-2.5 parts by mass of (E) silica fine particles having an average particle diameter of 1000 nm or less are blended with 100 parts by mass of an epoxy resin component constituted from: 60-85 parts by mass of (A) a N,N,N',N'-tetraglycidyl diaminodiphenylmethane resin having a viscosity at 50°C of 6000 mPa·s or less; and 15-40 parts by mass of (B) a liquid bisphenol A type epoxy resin having a viscosity at 25ºC of 20,000 mPa·s or less.

Inventors:
IWATA MITSUHIRO (JP)
ITO TOMOHIRO (JP)
Application Number:
PCT/JP2018/043377
Publication Date:
June 06, 2019
Filing Date:
November 26, 2018
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L63/00; C08J5/24; C08K3/36
Foreign References:
JP2012149237A2012-08-09
JP2013155330A2013-08-15
JPH1143534A1999-02-16
JPH1143546A1999-02-16
JP2006291092A2006-10-26
JPH0625445A1994-02-01
JP2017149887A2017-08-31
JP2009242459A2009-10-22
JPS648743B21989-02-15
Other References:
See also references of EP 3719072A4
Attorney, Agent or Firm:
NODA, Shigeru (JP)
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