申请人:Ihara Hiroyasu
公开号:US20110313080A1
公开(公告)日:2011-12-22
The invention provides a benzoxazine resin composition having excellent resistance to heat and moisture and providing excellent handleability when made into prepreg, and prepreg and a fiber-reinforced composite material prepared from the composition. The composition contains (A) a compound having in its molecule a benzoxazine ring represented by the formula (1), (B) an epoxy resin, (C) a curing agent, and (D) a toughness improver:
(R
1
: C1 to C12 chain alkyl group, etc., and H is bonded to at least one of C of the aromatic ring at o- or p-position to the carbon atom to which the oxygen atom is bonded).
本发明提供了一种苯并噁嗪树脂组合物,具有优异的耐热性和耐湿性,并在制备成预浸料时具有优异的可操作性,以及由该组合物制备的预浸料和纤维增强复合材料。该组合物包含(A)分子中含有由式(1)表示的苯并噁嗪环的化合物,(B)环氧树脂,(C)固化剂,和(D)韧性改进剂:(其中,R1:C1至C12链烷基等,H与苯环上o-或p-位置的C之一结合,该C与氧原子结合)。