国家/地区 中国（6）
IPC部 B（8）
IPC大类 B01（8） D04（5） D01（4）
A62（3） D06（3） A41（2）
C09（2）
IPC小类 B01D（8）
IPC B01D039/08（8）
发明人 LI X（2）
公开年 2021（8）
申请年 2021（5）  2020（2） 
专利权人

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

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

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

Mask structure containing graphene meltblown nonwoven fabric, has graphene melt-blown non-woven layer that is interlaced with graphene piece and polypropylene resin piece.

WANG G S

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 graphene dust-removing cloth comprises e.g. preparing spinning solution, spraying to obtain modified graphene fiber intermediate layer; obtaining interlayer stock solution, and spraying to obtain intermediate interlayer.

LI X, ZHANG D, WEI Y, DAI J

Heat detection mask comprises mid-leaf filter cloth having four corners and four sides, upper leaf of middle leaf filter fabric and upper leaf bonded to have same edge on upper side of left and right sides and having arc-shaped sewing line.

SHIM B