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

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

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

Preparing industrial filter cloth by adding ethyl orthosilicate, ethanol, deionized water and hydrochloric acid to reactor, adding ricinoleic acid, and extruding polyethylene resin, silica gel and diatomaceous earth-loaded graphene.

ZHAO 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