国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC D04H001/4291（5）
发明人
公开年 2020（2） 2021（2）
申请年 2020（2） 
专利权人

Multilayer meltblown nonwoven fabric is composed of upper layer of meltblown nonwoven fabric, intermediate layer of meltblown nonwoven fabric, and lower layer of meltblown nonwoven fabric.

LI S, WU S, HUANG Y, TAN Y, FENG Z, LI X, XIE Z

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 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

Antibacterial graphene complex filter useful in air filtration comprises non-woven fabric layer, graphene-modified activated carbon powder layer, and graphene antibacterial non-woven fabric layer, which are sequentially arranged.

SHA Y, SHA X

Modified polypropylene masterbatch used for making e.g. melt-blowing cloth, comprises polypropylene, coupling agent, dispersant, antioxidant and graphene material that includes graphene, graphene oxide and/or graphene derivatives.

TANG D, XU R, WANG S, LV D