| 摘要 |
PROBLEM TO BE SOLVED: To obtain a composite material composed of a polymer alloy consisting of a polyfunctional epoxy resin and an aromatic polycarbonate resin, and a reinforced fiber, resisting against an elevated high temperature state attributable to a high speed running, excellent in bending fatigue resistance and useful as lateral rigid materials in a track belt. SOLUTION: This composite material is composed of a polymer alloy as a matrix consisting of (A) a polyfunctional epoxy resin of a thermosetting resin preferably of 100 pts.wt., (B) an acid anhydride curing agent preferably of 90-130 pts.wt. and (C) an aromatic polycarbonate resin, which is a thermoplastic resin, having a glass transition temperature of >=130 deg.C and a molecular weight of 12000-80000 preferably of 3-25 pts.wt., and a reinforced fiber such as glass fiber or an aramid fiber. Further, the composite material is produced preferably using the polymer alloy and a reinforced fiber by a drawing formulation method. |
