国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B028/04（2）
发明人 LIU H（2）
公开年 2023（2）
申请年 2022（2） 
专利权人

Impermeable concrete such as civil engineering material comprises cement, coarse aggregate, fly ash, expansion agent, water reducing agent, composite fiber and water, where composite fiber comprises lignin fiber, basalt fiber and epoxy-based modified polypropylene fiber.

YANG Y, JIANG W, SHI H, WU K, FANG K, LIU H, ZHANG S, LONG C

Cement-based composite material containing coal-based carbon nano multi-crystal, comprises coal-based carbon nano multi-crystal, water, water reducing agent, and cement.

LIU H, CHEN H, ZHANG B