▎ 摘　　要

NOVELTY - High-performance composite material comprises 30-50 pts. wt. matrix resin, 1.2-4.8 pts. wt. hyperbranched polymer, 10-30 pts. wt. natural resin, 3.6-8.4 pts. wt. vegetable fiber, 2-8 pts. wt. graphene, 0.2-1.6 pts. wt. curing agent, 0.8-4 pts. wt. crosslinking agent, 0.4-3.2 pts. wt. antistatic agent, 0.3-1.8 pts. wt. flame retardant, 2-8 pts. wt. anti-aging agent. USE - High-performance composite material for a photovoltaic bracket. ADVANTAGE - The high-performance composite material improves rigidity and tensile strength of the photovoltaic bracket, extends service life of the photovoltaic bracket, improves the use safety, improves the antistatic performance and extends the service life of photovoltaic brackets. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing high-performance composite material, which involves: (A) mixing matrix resin, hyperbranched polymer, natural resin, plant fiber, graphene, curing agent, cross-linking agent, antistatic agent, flame retardant and anti-aging agent in proportion; (B) transferring the raw materials into the injection molding machine; and (C) setting temperature of the heating section of the injection molding machine, injection molding and molding and ejecting.