国家/地区 中国（2）
IPC部 D（2）
IPC大类 D01（2）
IPC小类 D01D（2）
IPC D06C007/00（2）
发明人
公开年 2021（2）
申请年
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

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