▎ 摘　　要

NOVELTY - Modified polyethylene breathable master batch comprises 40 to 80 pts. wt. polyethylene, 0.2 to 2 pts. wt. graphene, 1 to 2 pts. wt. talcum powder, 40 to 60 pts. wt. calcium carbonate and 0.5 to 3 pts. wt. auxiliary agent. USE - Modified polyethylene breathable master batch. ADVANTAGE - The modified polyethylene breathable master batch is economic, environment-friendly, and is good for realizing large-scale continuous production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM in included for a preparation method of modified polyethylene breathable master batch, involving: a. weighing graphene,adding grinding ball for ball milling, adding antioxidant, stabilizing agent, continuously ball milling, sieving to obtain modified graphene powder; b. weighing polyethylene according to parts by weight, talcum powder, calcium carbonate, stirring, and adding the modified graphene powder and continuously stirring; c. adding the mixture into a double-screw extruder, melting, extruding, granulating, and drying to obtain the modified polyethylene breathable master batch.