国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4） D01（2）
IPC小类 C04B（4）
IPC C04B016/06（4）
发明人 ZHANG Y（4）
公开年 2022（3）
申请年 2022（3） 
专利权人

High-performance polyformaldehyde fiber useful for concrete, comprises polyformaldehyde/polyamide composite fiber and graphene fiber grafted with polyformaldehyde/polyamine.

ZHANG X, SHI J, ZHAO X, LOU L, YE L, ZHANG Y

Ground material with elastic shock absorption comprises shock absorption layer arranged on paving base body, composite plate installed above inner core layer, rubber block and rubber spring are connected between reinforcement plates and limiting component installed on carbon fiber flexible board.

ZHANG Y

Ultra-high toughness alkali excitation spraying concrete useful in slope, mine, tunnel, and underground engineering, comprises e.g. zeolite powder, sodium hydroxide solution, sodium silicate, nickel slag sand, thickening agent, modified polyacrylonitrile fiber, naphthalene water reducer, and water.

YANG D, ZHANG Y, CHEN B

Grouting material for repairing deep-sea concrete defect, used in marine engineering construction, comprises erosion-resistant cement, sea sand, coral sand, silicon ash, gypsum, steel fiber, polyvinyl alcohol microfiber, flocculating agent, expanding agent, and water reducing agent.

XIA S, ZUO J, ZHANG Y, YANG H, LV K, LI T, ZHAO P, LIU R, WANG G, LIU X