▎ 摘　　要

NOVELTY - An anionic anti-haze window screen comprises functional fibers, where the functional fibers comprises an inner core and a cladding, where the inner core is graphene fiber, the cladding is an anion fiber, the anion fiber comprises 0.5-2 wt.% modified anion additives, 0.02-0.1 wt.% coupling agent, 85-92 wt.% polyacrylonitrile, 3-6 wt.% polybutylene terephthalate and 4-8 wt.% fiber-forming polymer. USE - Anionic anti-haze window screen. ADVANTAGE - The anionic anti-haze window screen is prepared with better ventilation property, high transparency and high purifying efficiency, in a cost-effective manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing an anionic anti-haze window screen.