国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B028/04（3）
发明人 ZHANG K（3）
公开年 2021（2）
申请年 2020（2） 
专利权人

Super early strength concrete useful for fast repairing surface defect of highway bridge comprises cement, silicate solid waste, fine aggregate, coarse aggregate, nano-silicon dioxide/graphene composite material, composite modified polycarboxylic acid water reducing agent, and antifoaming agent.

CHEN W, YE S, ZHU X, ZHANG K, PU L

Cement-based material used in reinforcing engineering application, comprises fused ceramsite sand, hydrophobic ball, inert ultra-thin micro-scale, cement, organic salt catalyst, organic fiber, water reducing agent and antifoaming agent.

YANG J, ZHANG J, TENG X, WANG D, ZHANG K

Preparing graphene modified cement comprises e.g. adding graphene oxide in organic solvent, uniformly dispersing in inert atmosphere, adding isocyanate, reacting, adding monohydric alcohol, reacting, adding hydrazine hydrate and reacting.

ZHANG H, YAN X, HAN W, XIE H, ZHANG T, ZHANG K, XIA Y, SONG Z, WAN Y, LIN P, GAO H