国家/地区 中国（11）
IPC部 B（12）
IPC大类 B01（12）
IPC小类 B01D（12）
IPC D01F001/10（7） B01D046/00（5） D01F006/46（5）
B01D039/16（4） A41D013/11（3） D04H001/728（3）
D04H003/007（3） A41D031/30（2） B01D039/08（2）
B01D039/20（2） B01D046/10（2） B32B027/02（2）
B32B027/12（2） D01D005/00（2） D01D005/098（2）
发明人 LIU S（2） WANG Q（2）
公开年 2020（6） 2021（6）
申请年 2020（12）
专利权人 GUANGZHOU KA.（2）

Multi-layered mask is useful for e.g. protecting against the aerosol transmission of COVID-19 comprises five layers characterized that first and last layers are made of e.g. cotton textile layers, natural fiber layers, and nanofibers layer.

SHIREESHA G, KARBARI S R, UTTARA K M, SUBRAMANYA K

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

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

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T

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

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

Preparing graphene oxide aerogel fiber fabric by dispersing graphene oxide, mixing, ultrasonically treating, injecting for coagulation, washing to obtain graphene oxide gel fiber, filtering to obtain gel fiber fabric and freeze drying.

HU X, ZHOU J, SHI K

Preparing antistatic regenerated polyester composite air filter material by melt-spinning graphene/polyamide/regenerated polyester blend masterbatch, heating, spinning and fixing bulked yarn staple fiber web on surface of weave fabric.

MA Y, ZHAO J, SU H, HAN P