国家/地区 中国（4）
IPC部 B（4） D（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B32B027/02（4）
发明人
公开年 2021（4）
申请年 2020（3） 
专利权人

Modified spandex fabric with piezoelectric effect comprises sandwich structure comprising middle layer comprising polyurethane/barium titanate composite fiber net, and other two layer comprising polyurethane/graphene composite fiber net.

DAI J, CHEN Z, ZHANG W, ZHANG Y, LI S, XU T

Self-charging and self-cleaning melt-blown non-woven fabric used in mask, comprises melt-blown fiber comprising permanent electret and piezoelectric material.

WU X, SONG T, LIN D, LIN Y

Meltblown composite elastic nonwoven fabric comprises external, middle and internal nonwoven fabrics including high-fat polypropylene, low-fat polypropylene, emulsifying agent, color masterbatch, antistatic agent and distilled water.

YANG X, MIN D, JI X

Manufacturing non-woven fabric comprises e.g. immersing semi-finished product treated with second immersion liquid in dark place, and irradiating with ultraviolet lamp, taking out, washing, and drying.

DUAN X