PREPREG, AND METHOD FOR PRODUCING PREPREG

Title:

PREPREG, AND METHOD FOR PRODUCING PREPREG

Document Type and Number:

Japanese Patent JP2013142122

Kind Code:

A

Abstract:

To provide a prepreg capable of making a fiber-reinforced composite material excellent in impact resistance and interlayer toughness, and having excellent storage stability.

This prepreg 100 has a primary prepreg 10 formed by impregnating an epoxy resin composition [A] 13 into a reinforcing fiber base material 11, and a surface layer 16 comprising an epoxy resin composition [B]. The epoxy resin composition [A] contains at least a 55-85 pts.mass aromatic diamine-based curing agent represented by formula NH₂-Ar-X-Ar'-NH₂, and a 5-50 pts.mass epoxy resin-soluble thermoplastic resin, with respect to a 100 pts.mass epoxy resin, and the epoxy resin composition [B] contains at least a 30-65 pts.mass curing agent other than the curing agent represented by the formula, and a 5-50 pts.mass epoxy resin-soluble thermoplastic resin, with respect to the 100 pts.mass epoxy resin.

Inventors:

SAKURAI HIROSHI
KAWAMOTO HIRONORI
ISHIWATARI TOYOAKI

Application Number:

JP2012003149A

Publication Date:

July 22, 2013

Filing Date:

January 11, 2012

Export Citation:

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Assignee:

TOHO TENAX CO LTD

International Classes:

C08J5/24; C08G59/50

Domestic Patent References:

JP2010222961A	2010-10-07
JPS538719U	1978-01-25
JPS55118008U	1980-08-20

Attorney, Agent or Firm:

Yasuyo Takahata
Yoshihiro Kimura

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