国家/地区 中国（3）
IPC部 B（3）
IPC大类 C08（3）
IPC小类 D01F（3） A41D（2） B01D（2）
D04H（2） D06M（2）
IPC D01F001/10（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Preparing composite geotextile by arranging nonwoven fabric made of polypropylene, glass fiber and calcium sulfate whiskers on lower and upper layers, arranging woven gray cloth made of polyester fiber in middle layer, and laminating.

CHENG X

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