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Title:
EPOXY RESIN COMPOSITION, PREPREG AND FIBER REINFORCED COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/130659
Kind Code:
A1
Abstract:
Provided are an epoxy resin composition for manufacturing a fiber reinforced composite material having excellent curability allowing for curing in a short time, and excellent storage stability and heat resistance, and a prepreg and a fiber reinforced composite material using the same. The epoxy resin composition includes at least an epoxy resin [A], a curing agent [B] having an exothermic onset temperature higher than the exothermic onset temperature of a component [C], as measured by a differential scanning calorimeter, and the compound [C] represented by formula (a), in which the compounding ratio for the components satisfies (1) and (2), and a prepreg and a fiber reinforced composite material using the same. (1) 0.5 ≤ (moles of active hydrogen included in component [B] + moles of active hydrogen included in component [C])/moles of epoxy groups in component [A] ≤ 1.5; (2) 0.02 ≤ moles of component [C]/moles of component [B] ≤ 5.0 (in formula (a), X is chosen from C=O, S=O and O=P-OH, and R1 to R4 are at least one atom or group selected from the group consisting of a hydrogen atom, an aliphatic hydrocarbon group having 1 to 4 carbon atoms, an alicyclic hydrocarbon group having 4 or fewer carbon atoms, and a halogen atom).

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Inventors:
MISUMI JUN (JP)
SAKATA HIROAKI (JP)
Application Number:
PCT/JP2017/000270
Publication Date:
August 03, 2017
Filing Date:
January 06, 2017
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08G59/50; B29C70/06; C08J5/24; B29K63/00; B29K105/08
Domestic Patent References:
WO2001081445A12001-11-01
Foreign References:
JP2016003335A2016-01-12
JP2015232145A2015-12-24
JP2012518707A2012-08-16
JPH01319526A1989-12-25
JPS63250351A1988-10-18
JPS6189223A1986-05-07
JPS6181423A1986-04-25
JPS61152724A1986-07-11
JP2001261783A2001-09-26
JP2002003581A2002-01-09
JPH0873566A1996-03-19
JP2012140574A2012-07-26
JPH01104624A1989-04-21
Other References:
See also references of EP 3409706A4
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