国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5） B32（3） D01（2）
D04（2） D06（2）
IPC小类 B01D（5） B32B（3） D04B（2）
D04H（2） D06M（2）
IPC B01D046/02（5）
发明人
公开年 2021（2） 2022（2）
申请年
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

Processing polytetrafluoroethylene emulsion modified complex filter material useful in e.g. filter device comprises e.g. using glass fiber, polyphenylsulfone terephthalamide fiber and polyimide fiber, carding, complexing dust-facing surface with microfiber layer, drying, singeing and baking.

WANG D, SHI Z

Preparing graphene dust-removing cloth comprises e.g. preparing spinning solution, spraying to obtain modified graphene fiber intermediate layer; obtaining interlayer stock solution, and spraying to obtain intermediate interlayer.

LI X, ZHANG D, WEI Y, DAI J

Seamless cylindrical filter bag is consists of first non-woven fabric, cylindrical cloth, second non-woven fabric and polytetrafluoroethylene microporous membrane are compounded.

GU K, YANG Z, GONG Z, CAO Q, WU J, WANG H, GU Y, WANG Z, ZHANG J

Graphene coating material used in air filter for filter system, comprises graphene and/or functionalized graphene including fluorinated graphene, chlorinated graphene, iodinated graphene, allylated graphene and aminated graphene.

ZHANG L