国家/地区 中国（4）
IPC部 A（4）
IPC大类 A41（4）
IPC小类 A41D（4）
IPC A41D013/11（4）
发明人
公开年 2021（3）
申请年 2020（4） 
专利权人

Mask meltblown cloth used for preparing masks, comprises polypropylene resin, modified graphene, titanium dioxide, dispersant, nano silica, coupling agent and auxiliary, modified graphene is obtained by dissolving citric acid and pentaethylene hexamine.

YU K

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 composite layer mask material composed of three-layer structure of composite nonwoven fabric, composite nonwoven fabric, and nanofiber membrane which is obtained by spinning solution using electrostatic spinning method.

TANG X, LIU H