EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

Title:

EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

Document Type and Number:

WIPO Patent Application WO/2021/210219

Kind Code:

A1

Abstract:

Obtained is an epoxy resin composition, for a fiber-reinforced composite material, which can be shaped at low temperature and low pressure, has sufficient heat resistance and mechanical properties for practical purposes, and is capable of greatly reducing manufacturing costs, the composition comprising, at specific ranges, (a) one or more types of epoxy resin, (b) an aromatic diamine compound, (c) dicyandiamide, (d) a urea compound, and (e) an amine adduct compound.

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Inventors:

KAMIMURA YUKIHIRO (JP)
ITO TOMOHIRO (JP)

Application Number:

PCT/JP2020/048142

Publication Date:

October 21, 2021

Filing Date:

December 23, 2020

Export Citation:

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Assignee:

YOKOHAMA RUBBER CO LTD (JP)

International Classes:

C08J5/24; C08G59/20; C08G59/50; C08L63/00

Domestic Patent References:

WO2016159147A1

2016-10-06

Foreign References:

JP2004346092A

2004-12-09

Attorney, Agent or Firm:

NODA, Shigeru (JP)

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