Title:
INTERMEDIATE FOR COMPOSITE MATERIAL MOLDING AND FIBER−REINFORCED COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2003/018674
Kind Code:
A1
Abstract:
An intermediate for composite material molding which comprises carbon fibers and a resin composition containing a benzoxazine compound having, in the molecule, structural units I represented by the following structural formula (I), each of the carbon fibers having a sectional shape which is substantially truly circular&semi and a fiber−reinforced composite material obtained from the intermediate. (I) (In the formula, R1 is C1−12 chain alkyl, C3−8 cycloalkyl, phenyl, or phenyl substituted by C1−12 chain alkyl or a halogen&semi and the aromatic ring has a hydrogen atom bonded to at least one of the carbon atoms in the positions ortho and para to the carbon atom bonded to the oxygen atom.) The intermediate retains a high level of adhesion between the carbon fibers and the resin even in a high−humidity high−temperature atmosphere. It hence gives a fiber−reinforced composite material having excellent weatherability and a high degree of mechanical strength.
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Inventors:
NATSUME NORIMITSU (JP)
ENDO ITARU (JP)
KISHI HAJIME (JP)
TERASHITA TAKESHI (JP)
NINOMIYA HIROAKI (JP)
SAKATA HIROAKI (JP)
ENDO ITARU (JP)
KISHI HAJIME (JP)
TERASHITA TAKESHI (JP)
NINOMIYA HIROAKI (JP)
SAKATA HIROAKI (JP)
Application Number:
PCT/JP2001/007184
Publication Date:
March 06, 2003
Filing Date:
August 22, 2001
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
NATSUME NORIMITSU (JP)
ENDO ITARU (JP)
KISHI HAJIME (JP)
TERASHITA TAKESHI (JP)
NINOMIYA HIROAKI (JP)
SAKATA HIROAKI (JP)
NATSUME NORIMITSU (JP)
ENDO ITARU (JP)
KISHI HAJIME (JP)
TERASHITA TAKESHI (JP)
NINOMIYA HIROAKI (JP)
SAKATA HIROAKI (JP)
International Classes:
C08J5/24; B29C70/06; B29C70/10; C08J5/04; C08K7/06; C08L63/00; C08L65/00; (IPC1-7): C08J5/24; C08G59/50; D06M13/335
Foreign References:
EP0789056A2 | 1997-08-13 | |||
JP2000017090A | 2000-01-18 | |||
JP2000007901A | 2000-01-11 | |||
JP2000017146A | 2000-01-18 | |||
JPH11158352A | 1999-06-15 | |||
JP2001310957A | 2001-11-06 |
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