国家/地区 中国（7）
IPC部 B（7） D（4） C（2）
IPC大类 B01（7） D01（3） D04（3）
B32（2）
IPC小类 B01D（7）
IPC B01D039/16（7）
发明人
公开年 2020（4） 2021（3）
申请年 2020（7）
专利权人

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

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

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

Manufacturing antibacterial and sterilizing air filtering material involves putting aqueous polyurethane into solvent for dissolution to obtain mixed solution, and adding silver-loaded graphene to mixed solution to form spinning solution.

XIN B, ZHOU X, YU J, JIANG Y, XU L, HUANG Y, YAN Q, MIAO Y, XIE X, LI A

Filter material comprises matrix material and graphene reactive polyurethane hot melt adhesive distributed with three-dimensional network structure formed by interweaving graphene oxide.

ZHOU L

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

Preparing graphene-based conductive filter membrane involves putting base film in filter cup of vacuum suction filter device, and then adding graphene oxide dispersion to filter cup, and turning on vacuum pump of device.

ZHU J, MIN J, REN H, BI Y