国家/地区 中国（12）
IPC部 B（12） D（12） C（3）
A（2）
IPC大类 B01（12）
IPC小类 D01F（12） B01D（11） D04H（7）
D01D（4） D06M（3） A41D（2）
IPC D01F001/10（12）
发明人 LIU S（3） WANG Q（3） YANG X（2）
公开年 2020（6） 2021（4）
申请年 2020（8）  2022（2） 
专利权人 GUANGZHOU KA.（3）

Graphene filter film comprises first non-woven fabric layer, graphene layer and second non-woven fabric layer arranged in sequentially, where each layer is embedded with each other at connection position.

JU Y, YI J, WANG W, WANG D

Mixing and preparing non-woven fabric comprises e.g. ball milling graphene particles, adding graphene powder, spraying modifying agent liquid onto graphene powder, obtaining modified graphene powder, extruding other elastomer slices and modified graphene powder, and extruding polypropylene slices.

WANG Z, MIN Z, YANG X, YANG R, CAO S, MENG Q

Preparing a graphene oxide antibacterial modified high-strength melt blown non-woven filter cloth comprises e.g. adding 4,4' methylenebis(phenyl isocyanate) and 2-Amino-4-hydroxy-6-methylpyrimidine into a three-necked flask and heating.

LV L, XUE D, YANG X

Preparing environmentally friendly air filtering non-woven fabric comprises e.g. mixing polypropylene, electret masterbatch and polymer electret, and subjecting melt blown cloth to constant temperature infrared radiation heat treatment.

ZHANG C

Graphene polypropylene composite material for melt-blown cloth, comprises graphene material, electret material, hydrocarbon material which is liquid at normal temperature and polypropylene.

PAN D, XIE Z, ZHANG Y, ZHANG H

Preparing graphene metal organic framework composite modified polypropylene melt-blown material comprises mixing the graphene and ethanol, cutting, dispersing the graphene in ethanol and adding silane coupling agent.

QIN J, LIU Y, ZHAO K, HE Y

Preparing industrial filter cloth by adding ethyl orthosilicate, ethanol, deionized water and hydrochloric acid to reactor, adding ricinoleic acid, and extruding polyethylene resin, silica gel and diatomaceous earth-loaded graphene.

ZHAO C

Graphene composite meltblown cloth used for recycling and using high filterability, comprises polypropylene slice, graphene material, surfactant, additive, and polypropylene short fiber.

WANG Q, LIU S

Graphene-polypropylene electret air filtering antibacterial fibers comprises graphene powder, polypropylene powder, organic peroxide, maleic anhydride-grafted polypropylene and electret material.

LI X, CHEN X, WANG B, MENG Y

Graphene antibacterial non-woven fabric useful in filter screen of masks, air conditioner, air purifier and vehicle purifier, comprises polymer material, graphene material, surfactant and additive.

WANG Q, LIU S