国家/地区 中国（11）
IPC部 C（10） B（2）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B032/198（9） C01B032/23（6） C01B032/215（2）
发明人 YIN S（11）
公开年 2021（4） 2022（4）
申请年 2020（8）  2017（2） 
专利权人 SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO（11）

Preparation of single-layer graphene oxide for e.g. microelectronics, involves adding pretreated graphite powder to intercalation agent to obtain suspension, drying, sieving, adding oxidizing agent for intercalation reaction, separating, dispersing filter cake, adding quenching agent and separating.

QU Y, TANG R, YIN S, WU Y, ZHENG Y, YUAN H, ZHU Y

Preparing oxidized graphene by recycling acid involves obtaining the waste acid filtrate produced by preparing graphene oxide, then evaporating, concentrating and demineralizing waste acid filtrate to obtain recovered acid.

QU Y, TANG R, JI L, WU Y, YIN S, GUO L

Preparation method of high-purity oxidized graphene or oxidized graphite involves adding concentrated sulfuric acid, graphite, potassium permanganate and water sequentially in reaction kettle by controlling reaction temperature and reaction time.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

High-efficient device for large scale preparation oxidizing, graphene or graphite, comprises reaction kettle, transferring devices, standing device, purifying device, and collector.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

Statically placed device for preparing graphene oxide, has stirring device fixedly connected with tank body, where side wall of tank body is provided with discharging valve and side wall observation window.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

Purifier for use in graphene oxide production device, has shell whose side wall located at lower cone is provided with inlet, where shell is set as structure connected by upper cylinder and lower cone.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

Preparation of high-efficiency graphene oxide or graphite oxide, involves adding concentrated sulfuric acid, graphite, potassium permanganate and water to reaction kettle, reacting, leaving still, and purifying to remove sulfuric acid.

WANG B, YIN S, ZHANG J, GE M, TANG R, QU Y

Preparing graphene oxide or graphite oxide comprises e.g. adding concentrated sulfuric acid, graphite, potassium permanganate and water into reaction kettle, stirring and controlling reaction temperature and reaction time and purifying.

WANG B, YIN S, ZHANG J, GE M, TANG R, QU Y

Preparing graphene oxide in the preparation of energy environment additives, microelectronic additives, composite materials additives, and military and aerospace additives, involves cooling the temperature of the intercalation agent.

ZHU Y, YUAN H, ZHENG Y, WU Y, GE M, YIN S, TANG R, QU Y

Preparation of graphene oxide-modified plastic particles, by oxidizing graphite using sulfuric acid, potassium permanganate and hydrogen peroxide, infiltrating plastic strands into graphene solution, granulating strands and drying.

TIAN Z, CHEN K, XIE W, YIN S, QU Y