国家/地区 中国（2）
IPC部 D（3）
IPC大类 D01（3） D06（3） D04（2）
IPC小类 D01D（3）
IPC D06C007/00（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

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

Manufacture of towel e.g. drying towel, involves manufacturing fabric containing split microfiber, immersing fabric in aqueous sodium hydroxide solution, pressing with roller, and aging, in which division is smoothly performed.

PARK J H

Graphene melt-blown cloth manufacturing device, has spraying device arranged between flat outlet of melt-blown storage hopper and melt-blown cloth cooling roller or with melt-blown cloth winding device or melt-blown cloth cutting winding device.

GU J