▎ 摘 要
NOVELTY - A composite material comprises modified non-metallic powder and polyolefin. The modified non-metallic powder is mixture of non-metallic powder and graphene oxide. The weight ratio of non-metallic powder and graphene oxide is 100:0.1-10. The weight ratio of modified non-metallic powder and polyolefin is 10-50:50-90. USE - Composite material is used for printed circuit board. ADVANTAGE - The composite material has excellent compatibility and mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of composite material.