国家/地区 中国（2）
IPC部 D（2）
IPC大类 D01（2）
IPC小类 D01D（2）
IPC D01D005/34（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Preparing of polypropylene/polyethylene low-melting composite fiber, comprises e.g. blending and granulating polyethylene particles and graphene, cooling and shaping composite fiber by side blowing, and cutting composite fiber into segments.

ZHENG H

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