国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） D06（2）
IPC小类 B01D（4）
IPC B01D039/08（4）
发明人
公开年 2022（4）
申请年 2021（2）  2022（2） 
专利权人

Graphene-layer fibre filter cloth comprises an inner filter layer, a middle monofilament layer, an outer filter layer, an interlayer fixing line and a double-cotton fibre warp, and the inner filtering layer is a fibre layer formed by blending high-molecular polypropylene fibers.

TU A, YANG J

Preparing high-performance anti-peeling modified filter cloth useful for vacuum filter, comprises e.g. dispersing amphoteric polymer modifier and nanoparticles in deionized water, ultrasonically treating nanoparticles to uniformly disperse, and soaking into polyvinylidene fluoride solution.

WANG H, TIAN J, LI M, YAO Z, LI J, ZHANG T, LIU Z, ZHAO L, ZHAO T, ZHEN Z, LI R, LI Z, SHI X, XIE D, WANG S, LI S, RONG H, HAN H, CHEN L, WANG Z, CHENG C, ZHANG G, TIAN X, YAO B

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

Antibacterial antiviral melt-blown cloth used as core material of mask, comprises base layer, where upper end face of base layer is provided with first filter layer, and lower end face is provided second filter layer.

FENG D, PENG H, LI B