国家/地区 中国（4）
IPC部 C（4）
IPC大类 C09（4）
IPC小类 C09D（4）
IPC D01F001/10（3） C09D007/61（2） D01D005/00（2）
发明人
公开年 2021（3）
申请年 2021（4）
专利权人

Controllable preparation of gradient composite membrane comprises using the strategy of dilution or concentration of precursor solution to control the concentration of load in precursor solution in real time, dynamically changing precursor solutions, pre-collecting precursor solutions.

HU Y, DU L, NIU Z

Double-layer composite anti-deformation electric control box used for wind power generation, comprises double-layer electric control box body, primer layer and topcoat layer, where topcoat layer comprises modified polycarbonate, chloroether rubber, leveling agent, and antifoaming agent.

WANG Y, DIAO Y, YE L

Graphene RFID electronic label useful for intaglio printing, comprises a base material, and adopts the graphene conductive ink printed on described base material by electrostatic-assisted gravure printing method.

LENG J, SHANG W, LIU J, WEI H, CHEN S, MA Y, LIU Z

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R