国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C08F220/06（3）
发明人
公开年 2020（3）
申请年 2020（2） 
专利权人

Low air entraining retarding type polycarboxylic acid water reducing agent comprises e.g. macromonomer, acrylic acid, sodium methallyl sulfonate, 2-hydroxyethyl methacrylate phosphate, silane-modified graphene, and ammonium persulfate.

SUN H

Preparing modified polyether useful in polycarboxylic acid water reducing agent, comprises e.g. dissolving graphene in organic solvent to perform addition reaction, substituting, and carrying out alcohol dehydration reaction.

WANG X, WU Z, LIU W, GUO C, ZHANG X, LI J

Micro-nanocrystalline core composite material in cement-based material for concrete, comprises graphene oxide and/or chemically grafted modified graphene oxide, hydrated calcium silicate, and high molecular polymer.

ZHANG L, WANG D, LI H