国家/地区 中国（13）
IPC部 B（13） D（3） A（2）
IPC大类 B01（13） B32（6） D04（2）
IPC小类 B01D（13）
IPC B01D039/14（13）
发明人 SUN K（2） XU H（2） YANG D（2）
ZHOU G（2）
公开年 2022（13）
申请年 2021（8）  2022（5） 
专利权人 ANHUI YUANCH.（2）

PTFE filter material with antistatic coating in dust-removing filter bag, comprises PTFE (polytetrafluoroethylene) base layer and antistatic layer covering surface of PTFE base layer, where antistatic layer comprising acrylic resin, polytetrafluoroethylene, nanographene, ethyl acetate, nano-alumina.

WU X, LI M, LIANG Y, XU R, FANG L

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

Double-membrane composite antibacterial filter material comprises polytetrafluoroethylene surface layer, antibacterial melt-blown cloth layer and a polytetrafluoroethylene encapsulation layer.

ZHOU Y, PING L

Air filter paper containing nanomaterials, has glass fiber surface layer, and carbon fiber woven mesh column filled with chitosan graphene oxide microspheres and nano-silica aerogel microspheres on surface filled in glass fiber layer.

MAO S, QI P, ZHANG T, CHEN K, SU X, ZHANG X, ZHENG X

Material used for preparing waste incineration flue filter components for treating flue gas, comprises modified basalt fiber as substrate, graphene oxide/polyvinylidene fluoride composite fiber as core layer, and polyimide fiber as upper layer.

JU H, TENG F, LIU J, LING F, BEN Z, FAN S, DENG T

Glass fiber air filter material used for purifying air in automobiles, comprises modified nonwoven fabric and glass material fiber from bottom to top, formed into composite by hot-pressing.

ZHANG Z, JIA G, YANG P

Preparation of aerogel particle-doped nano-graphene filter material used for industrial flue gas, by adding silicon dioxide aerogel powder and nano-graphene to deionized water, stirring, ultrasonically dispersing to obtain dispersion, immersing polyester filter material in dispersion, and drying.

ZHOU G, XU H, YANG D, SUN K

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

Preparation of high-temperature-resistant filter material for filtering smoke gas from coal-fired boilers, involves carding basalt fiberglass, paving formed net, reinforcing, processing in impregnation liquid comprising sepiolite, PTFE, perfluoroethyl acrylate, and modified graphene, and microwaving.

CHONG R, YANG W, XU Q

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