国家/地区 中国（5）
IPC部 C（5）
IPC大类 C04（5） C08（5）
IPC小类 C04B（5）
IPC C08F220/20（5）
发明人 LI S（2） WU C（2） ZHANG J（2）
公开年 2022（5）
申请年 2021（3）  2022（2） 
专利权人

Collapse-preserving early-strength functional monomer useful for collapse-preserving early-strength polycarboxylate water-reducing agent, functional monomer is prepared by performing esterification modification of graphene oxide and hydroxycarboxylic acid, and grafting a silane coupling agent.

LIN Z, WU C, LI G, SHAO Y

Preparation of plastic ultra-high performance concrete involves adding cement, quartz sand, mineral powder, nanometer silicon ash, water reducing agent, steel fiber, and sulfonated graphene uniformly mixing, adding water, and stirring.

LI S, ZHAO B, HU P, WANG S, DING X, ZHOU H, SHAO X

Preparing graphene oxide modified styrene-acrylic emulsion useful in anticorrosion of cement-based material, comprises mixing graphene oxide buffer solution and styrene-acrylic monomer mixed solution, mixing obtained emulsion and silane coupling agent and ultrasonically dispersing.

WANG P, WANG X, LI S, YIN B, WU C, HOU D

Concrete slump retaining agent, comprises graphene oxide, 2-chloroacrylic acid, solid base, methallyl polyoxyethylene ether or isopentenyl polyoxyethylene ether, initiator, chain transfer agent, reducing agent, alkenoic acid compound, acrylate compounds and water.

ZHAO Q, MENG X, ZHANG J, HUANG X, LI W

Graphene/polyethylene glycol polycarboxylic acid water reducing agent comprises acrylic acid, hydroxyethyl acrylate, polyether macromonomer, water, hydrogen peroxide solution, catalyst, reduction agent, oxidant and mercaptopropionic acid.

ZHANG S, FU C, ZHANG J, LIANG H