Patent Number: 6,515,081

Title: Composition of epoxy resin, curing agent and reactive compound

Abstract: A thermosetting resin composition for carbon fiber reinforced composite materials of the present invention chiefly comprises (A)2 thermosetting resin such as epoxy resin and a curing agent, and (B)2 compound containing one functional group which can react with thermosetting resin (A) or its curing agent, and a moiety selected from the following formulae (1) to (4) ##STR1##Furthermore, the present invention also relates to a prepreg formed by impregnating reinforcing fiber with the aforesaid resin composition and to carbon fiber reinforced composite materials comprising reinforcing fiber and a cured aforesaid thermosetting resin composition.

Inventors: Oosedo; Hiroki (Ehime, JP), Sawaoka; Ryuji (Ehime, JP), Noda; Shunsaku (Ehime, JP), Miyoshi; Naomi (Ehime, JP)

Assignee: Toray Industries, Inc.

International Classification: C08J 5/24 (20060101); C08G 59/40 (20060101); C08L 67/06 (20060101); C08L 67/00 (20060101); C08G 59/00 (20060101); B32B 027/04 (); B32B 027/38 (); C08L 063/02 (); C08L 063/10 (); C08L 067/06 ()

Expiration Date: 02/04/2011