▎ 摘　　要

NOVELTY - An oxidized graphene-based polypropylene electret air filter material comprises 50-60 pts. wt. polypropylene, 6-10 pts. wt. silicon monoxide, 8-14 pts. wt. powdered activated carbon, 1-4 pts. wt. 3-aminopropyltriethoxysilane coupling agent, 0.6-1.4 pts. wt. glacial acetic acid, deionized water, 1-3 pts. wt. low-density polyethylene wax, 10-0.8 pts. wt. antioxidant 1010, 0.7-1.4 pts. wt. titanate coupling agent, 4-7 pts. wt. oxidized graphene, N,N-dimethylformamide, 0.7-1.5 pts. wt. toluene diisocyanate, 0.8-1.6 pts. wt. dibutyltin dilaurate and required amount of acetone. USE - Oxidized graphene-based polypropylene electret air filter material. ADVANTAGE - The oxidized graphene-based polypropylene electret air filter material has better filtering efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing an oxidized graphene-based polypropylene electret air filter material.