Title:
EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/201890
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an epoxy resin composition excellent in terms of strength, elastic modulus, elastic modulus in wet-heat environments, and heat resistance after moisture absorption, the epoxy resin composition being suitable for use in applications such as prepregs and fiber-reinforced composite materials.
The epoxy resin composition comprises the following constituent elements [A], [B], and [C] and satisfies the following requirements (1) and (2). [A]: An epoxy resin. [B]: An amine hardener. [C]: A phosphoric ester compound having a molecular weight of 250 or less. (1): To contain the constituent element [C] in an amount of 1-15 parts by mass per 100 parts by mass of the constituent element [A]. (2): The constituent element [A] has an average epoxy equivalent of 160 g/eq or less.
More Like This:
Inventors:
FURUKAWA KOJI (JP)
SANO KENTARO (JP)
KAWASAKI JUNKO (JP)
SANO KENTARO (JP)
KAWASAKI JUNKO (JP)
Application Number:
PCT/JP2022/004172
Publication Date:
September 29, 2022
Filing Date:
February 03, 2022
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08G59/20; C08G59/50; C08J5/24; C08K5/521; C08L63/00
Domestic Patent References:
| WO2002050153A1 | 2002-06-27 |
Foreign References:
| CN111826105A | 2020-10-27 | |||
| JP2019199552A | 2019-11-21 |
Other References:
HERGENROTHER, P.M. ; THOMPSON, C.M. ; SMITH, J.G. ; CONNELL, J.W. ; HINKLEY, J.A. ; LYON, R.E. ; MOULTON, R.: "Flame retardant aircraft epoxy resins containing phosphorus", POLYMER, ELSEVIER, AMSTERDAM, NL, vol. 46, no. 14, 27 June 2005 (2005-06-27), AMSTERDAM, NL, pages 5012 - 5024, XP027727406, ISSN: 0032-3861
Download PDF: