▎ 摘 要
NOVELTY - Composite material comprises 50-80 pts. wt. graphene, 20-40 pts. wt. nitrile butadiene rubber, 5-10 pts. wt. thermoplastic polyurethane, 1-5 pts. wt. nano-calcium oxide and 40-70 pts. wt. urea-formaldehyde resin. USE - Composite material (claimed). ADVANTAGE - The composite material has excellent physical and chemical properties.