国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） B32（2） D04（2）
IPC小类 B01D（3）
IPC B01D039/14（3）
发明人
公开年 2022（3）
申请年 2021（2） 
专利权人

Producing filter bag based on high temperature resistant material comprises preparing spinning solution containing e.g. lithium chloride, dimethylacetamide and graphene oxide, injecting spinning solution into electrostatic spinning machine, and sewing film-coated filter material into bag shape.

LU D, LU X

Melt-blown cloth bicomponent cotton of high filtration grade comprises melt-blown cloth bicomponent cotton layer including component A having carbon fiber modified polypropylene resin and modified high molecular weight butyl cellulose resin and component B having graphene modified polyurethane resin.

HE W, WANG F

Preparing high temperature flame retardant filter material by singeing and pressing upper surface of needled felt, placing into composite flame retardant finishing agent, and radiating and solidifying in low-energy electron accelerator.

FU S, XU H, ZHOU G, YANG D, SUN K