国家/地区 中国（2）
IPC部 A（2）
IPC大类 A41（2）
IPC小类 A41D（2）
IPC A41D013/11（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

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 hot-air non-woven fabric by feeding polyethylene/polypropylene composite fiber with core structure of electret masterbatch, blending, carding, hot air bonding, cooling, hydroentangling, drying and performing electret treatment.

ZHU Y, DING X, CAO K, GE Y