国家/地区 中国（7）
IPC部 C（7）
IPC大类 C04（7） C01（2）
IPC小类 C04B（7）
IPC C04B024/38（2）
发明人 ZHANG L（7）
公开年 2021（5） 2022（2）
申请年 2021（7）
专利权人

Preparing ceramic crucible useful for preparing graphene, involves mixing aedelforsite, zinc oxide, aluminum oxide, talc, left cloud soil, bauxite, yellow lake, quartz, and lithium carbonate.

ZHANG J, ZHANG L, CHENG H

Preparing defect-free graphene oxide for preparing graphene heat-dissipating film, involves reacting carbon source under acidic condition, reacting graphene quantum dots and amine substance, mixing mixed system containing aminated graphene quantum dots, graphene oxide, and dispersing agent.

SUN S, ZHANG L, WU X

Grouting material based on industrial grade graphene oxide comprises superfine silicate cement and fly ash, where dispersion liquid is formed by mixing industrial grade graphene oxide and polycarboxylic acid water reducing agent.

GAO Y, JING H, MENG B, ZHANG L, FU G

Producing alkali-free accelerating agent involves opening cetyltrimethylammonium bromide storage tank and sodium silicate storage tank, quantitative cetyltrimethylammonium bromide, sodium silicate and water in water bath stirring mechanism.

ZHU Q, CAI J, ZHENG S, ZHANG Z, ZHANG L

Concrete water retaining agent useful in concret comprises polycarboxylic acid, tea saponin, cellulose ether, dispersible emulsion powder and inorganic water absorbing material.

ZHANG L, WANG X, SU P, ZHANG S, TIAN J, CHEN Z, WAN W, NING P, ZHANG J

Graphene additive preparation device for cement materials, comprises weighing hopper, feeding pump, stirring tank, screw pump, and circulation box, where weighing hopper is connected with feeding pump connected with stirring tank.

PAN D, GUO H, ZHANG L, WANG F

Modified slump retaining mother liquor comprises graphene oxide dispersion liquid, isopentenol polyoxyethylene ether, hydrogen peroxide, acrylic acid, hydroxyethyl acrylate, ascorbic acid, mercaptopropionic acid and sodium hydroxide.

LIU Y, ZHOU J, LUO S, ZHANG L, WU J, LIU M