| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fiber-reinforced composite material having high adhesion between epoxy resin composition and reinforcing fibers, being excellent in impact resistance and fatigue characteristics, and most suited as a member such as a primary aircraft structural member. <P>SOLUTION: There is provided an epoxy resin composition comprising at least the following constitutional elements [A], [B], [C], [D], and [E]: [A] an epoxy resin having three or more epoxy groups in the molecule, [B] an epoxy resin having one diglycidylaniline skeleton and two epoxy groups in the molecule, [C] a polyethylene glycol diglycidyl ether having the number n of repeating units of 5 or larger, [D] a liquid aromatic diamine having a viscosity of 500 mPa s or lower at 70°C, and [E] core/shell polymer particles. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
