The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2016
Filed:
Jan. 20, 2012
Applicants:
Hideki Oka, Nagoya, JP;
Nobuyuki Tomioka, Nagoya, JP;
Shiro Honda, Nagoya, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/02 (2006.01); C08G 59/32 (2006.01); B29C 45/00 (2006.01); C08J 5/24 (2006.01); C08G 59/38 (2006.01); C08L 63/04 (2006.01); C08G 59/42 (2006.01); C08L 63/00 (2006.01); C08K 7/02 (2006.01);
U.S. Cl.
CPC ...
C08G 59/3218 (2013.01); B29C 45/0005 (2013.01); B29C 45/02 (2013.01); C08G 59/38 (2013.01); C08J 5/24 (2013.01); C08L 63/04 (2013.01); C08G 59/42 (2013.01); C08J 2363/00 (2013.01); C08K 7/02 (2013.01); C08L 63/00 (2013.01);
Abstract
An epoxy resin composition for RTM molding of a fiber-reinforced composite material includes [A] to [D] below, wherein [A]/[B], which is a blend mass ratio of [A] to [B], is in the range of 55/45 to 95/5: [A] a multifunctional epoxy resin that is liquid at normal temperature or has a softening point of 65° C. or lower, the multifunctional epoxy resin being at least one selected from phenol novolac epoxy resin, cresol novolac epoxy resin, and triphenylmethane epoxy resin; [B] an alicyclic epoxy resin; [C] an acid anhydride curing agent; and [D] a curing accelerator.