国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC
发明人 CHENG X（2）
公开年 2022（2）
申请年 2022（2） 
专利权人

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

Road fast repair mortar useful for e.g. cement concrete road surface comprises e.g. low alkali sulfoaluminate cement, quartz ore, tailings sand, silicon ash, expansion powder, defoaming powder, desulfurized gypsum powder, sodium bentonite, polypropylene fiber, fly ash, and performance modifier.

YANG S, SHI Y, YANG B, NIE J, WANG C, MA S, CAI H, CHENG X