国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D039/08（7）
发明人
公开年 2021（4）
申请年 2021（4）  2020（2） 
专利权人

Antibacterial antiviral melt-blown cloth used as core material of mask, comprises base layer, where upper end face of base layer is provided with first filter layer, and lower end face is provided second filter layer.

FENG D, PENG H, LI B

Preparing modified polylactic acid non-woven fabric involves mixing modified nanocellulose and lactic acid in water to obtain mixed dispersion, where modified nanocellulose has sulfonic acid group and hydroxyl group.

YANG C, XU J, HAO S, HE Y, TIAN J

Preparing a graphene oxide antibacterial modified high-strength melt blown non-woven filter cloth comprises e.g. adding 4,4' methylenebis(phenyl isocyanate) and 2-Amino-4-hydroxy-6-methylpyrimidine into a three-necked flask and heating.

LV L, XUE D, YANG X

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

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

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