国家/地区 中国（18）
IPC部 C（18）
IPC大类 C04（18）
IPC小类 C04B（18）
IPC C08F220/06（18）
发明人 WU C（6） LI G（5） LIN Z（5）
SHAO Y（5） FANG Y（3） LIU Y（3）
HUANG X（2） LI W（2） LIU J（2）
LUO S（2） MENG X（2） WU J（2）
ZHONG L（2）
公开年 2022（10） 2021（7）
申请年 2021（18）
专利权人 KEZHIJIE NEW.（5） CHONGQING JI.（2） HUNAN KZJ NE.（2）

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

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

Oxidized graphene monomer useful for polycarboxylic acid water reducing agent, and building materials e.g. cement, and in municipal, viaduct, road and other building industry comprises glycolic acid, graphene oxide, and vinyltrimethoxysilane.

FANG Y, WU C, SHAO Y, LIN Z, LI G

Preparing concrete water reducing agent useful in concrete material comprises e.g. mixing graphene oxide and water, adding solid base to react with 2-chloroacrylic acid, mixing carboxylated graphene dispersion with methallyl polyoxyethylene ether and isopropanol and post-processing.

MENG X, LI Y, HUANG X, LI W

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

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

Composite ceramic water reducing agent comprises polycarboxylate mother liquor, grinding aid, plasticizer, and reinforcing agent.

LUO W

Special castable material useful for kiln mouth of cement kiln, comprises e.g. mullite, silicon carbide, calcium titanate aluminate, corundum, cement, aluminium oxide micro powder, silicon micro powder, silicon nitride powder, strontium titanate powder and sillimanite powder.

JIANG J, RUAN H, DONG S

Preparing polycarboxylate aqueous reducing agent using vinyl polyoxyethylene ether comprises adding large monomer, ammonium persulfate and de-ionized water into reactor kettle with stirrer, thermometer and dropping device, stirring, dropping liquids, dropping performance modifier and polymerizing.

SUN W