国家/地区 中国（3）
IPC部 A（3）
IPC大类 D01（3） A41（2） D04（2）
IPC小类 D01F（3） A41D（2） D01D（2）
D04H（2）
IPC D01F001/10（3）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Preparing badminton racket net wire comprises crushing and mixing raw material to obtain mixture of raw material, heating mixture, stirring, performing ultrasonic treatment, and cooling to normal temperature.

WEI Q

Preparing bio-based air purification nanofiber membrane for mask, by taking rice husk powder, graphene nano-ceria composite powder, polyvinyl alcohol, and giant knotweed root extract to make core or shell layer solution and electrospinning.

LIAO Z

Preparing functional nanofiber membrane mask, by connecting mask feeding system with electrostatic spinning machine and high-temperature dryer, arranging melt-blown mask raw materials, adding functional materials, spinning, and crosslinking.

ZHANG J, SHEN M, ZHU J, LIN L, WU S, SHEN P