国家/地区 中国（11）
IPC部 C（11）
IPC大类 C04（11） C08（11）
IPC小类 C04B（11）
IPC C08F220/58（11）
发明人 LI G（2） LIN Z（2） LIU J（2）
SHAO Y（2） WU C（2）
公开年 2022（3） 2023（3） 2021（2）
申请年 2021（4）  2022（3） 
专利权人 KEZHIJIE NEW.（3）

Graphene water reducing agent useful as cement and concrete dispersant, comprises e.g. isopentenol polyoxyethylene ether, pentaerythritol tetraacrylate, 2-acrylamide-1-methylpropanesulfonic acid, unsaturated phosphoric acid esters, graphene oxide, 3-mercaptopropionic acid and initiator.

ZHANG H, PANG Y, GUO J, ZHANG R

Sound insulation mortar useful in floor slab of high-rise concrete building comprises cement, reinforcing aggregate, cement, glass fiber, vitrified microbeads, ceramic sand, fly ash, additive, hyperbranched ethylene glycol chitosan, graphene hollow nanofiber and waste aramid fiber.

CHEN J, XU S, YIN P, ZHU S, ZHU Y

Graphene layer complex used in the field of oil and gas well cementing, comprises graphene oxide and polymer grafted on the graphene oxide, and the polymer comprises a structural unit derived from 2-acrylamide-2-methylpropanesulfonic acid and a structural unit derived from the second monomer.

LIU J, MIAO X, WEI H, ZHOU S, WANG M

Concrete modifier comprises calcium titanate nano-fibre, graphene, graphene oxide, trimeric sodium phosphate, sodium silicate, nano-boron fiber, attapulgite, fly ash, containing sulfonic acid ammonium salt of hyper-branched polyurethane.

GU T, LU X, GUO X, ZHOU J

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

Anti-mud early-strength functional monomer prepared by grafting a silane coupling agent after non-covalent modification of graphene oxide and quaternary ammonium salt.

LIN Z, WU C, LI G, SHAO Y

Cement-based grouting material for semi-flexible mixture, comprises sulphoaluminate cement, slag powder, fly ash, chemical additive, modified graphenThe cloth full cutting device according to wherein the cutting device between the engaginge fiber and rest is water.

WEI Y, LIU Y, QI S, LIU J, HUANG W

Polymer cement waterproof coating comprises liquid material and powder material, liquid material comprises modified styrene-acrylic emulsion, antibacterial agent, thickener and film forming agent and the powder comprises portland cement.

HONG L

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

Preparation of enhanced polycarboxylic water reducer involves reacting polyether monomer and graphene oxide, adding modified polyether monomer and water, irradiating, polymerization reacting, constant-temperature reacting and neutralizing.

KE Y, FANG Y, CHEN X, LIN T, GUI M