Patent ID: 6902811
Filing Date: 2005-06-07
Classification: C08G,H01L,Y10T

Abstract:
1. A fiber reinforced composite material comprising reinforcing fibers and a thermosetting matrix resin, which has a color difference ΔE*ab of not more than 4 in a 1500-hour weatherometer test by a sunshine carbon arc light without painting; wherein the thermotsetting matrix resin is a cured epoxy resin product obtained by curing an epoxy resin composition comprising: (A) an epoxy resin havina a cycloalkane ring or a cyclohexene ring but having neither aromatic ring nor aminic nitrogen atom, (B) a carboxylic anhydride having no aromatic nitrogen atom, and (C) an ultraviolet absorbent, wherein a content of component (A) is from 70 to 100 percent by weight based on the total weight of epoxy resin, and a content of component (B) is from 70 to 100 percent by weight based on the total weight of carboxylic anhydride.