国家/地区 中国（9）
IPC部 C（9）
IPC大类 C08（9）
IPC小类 C08F（9） C04B（4）
IPC C08F222/02（9）
发明人 HUANG X（2） LI W（2） MENG X（2）
公开年 2021（4） 2022（4）
申请年 2021（9）
专利权人 CHONGQING JI.（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

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

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

High oxygen barrier coating comprises hard acrylate monomer, soft acrylate monomer, pre-crosslinking monomer, post-crosslinking monomer, initiator, solvent, vinyl siloxane and inorganic nano powder.

YIN X, DENG C, ZHONG W, BAI Y

Silicone rubber material useful for preparing printing device roller comprises methyl vinyl silicone rubber, ethylene propylene diene monomer rubber, carbon black, graphene, cross-linking agent and dispersant.

LIU L, HE H, LIANG J, ZENG Z

Ultra-high temperature modified polymer cementing fluid loss reducing agent useful in e.g. deep well ultra-deep well, comprises graphene oxide, initiator, 2-acrylamido-2-methylpropanesulfonic acid, unsaturated amide, unsaturated carboxylic acid, and water.

ZHANG S, DING Z, ZHOU C, LV B, SHEN J, LIU Z, ZHANG C, LIU H, ZHANG H, XU M, QI F, LIU S, JIN J, XU P, YU Y, XIA X

Preparing graphene-carbon composite fiber comprises e.g. mixing graphene oxide, acrylonitrile monomer, itaconic acid monomer, solvent and polymerization initiator, ultrasonically performing in-situ polymerization, spinning, pre-oxidizing composite precursor and carbonizing.

MA L, SHA X, SHA Y

Photo-crosslinked binder system used in slurry composition for preparing electrode for lithium battery, comprises crosslinking agent, particulate binder containing unsaturated double bonds, photoinitiator and water, where crosslinking agent has group capable of reacting with unsaturated double bonds.

HUANG Q, LI H, XIANG Q

Environmentally friendly self-corrosion-type polycarboxylic acid water reducing agent, comprises e.g. sodium methacrylate sulfonate, diethylene triamine, graphene oxide, methallyl polyoxyethylene ether, and mercaptopropionic acid.

LIU B