国家/地区 中国（9）
IPC部 C（9）
IPC大类 C04（4） C01（3） C08（3）
C02（2）
IPC小类 C04B（4） C01B（3） C02F（2）
C08F（2）
IPC C04B018/10（2） C04B018/24（2） C04B022/12（2）
C04B022/14（2） C04B024/12（2） C04B024/16（2）
C04B028/04（2） C04B103/30（2） C08F212/14（2）
C08F283/06（2）
发明人 DUAN P（9）
公开年 2021（9）
申请年 2020（4）  2021（4） 
专利权人 HUNAN XIANFE.（2） UNIV XIAN AR.（2）

Producing concrete water reducing agent comprises e.g. adding graphene oxide solution and acrylamide polymer into methyl alkenyl polyoxyethylene ether and sodium styrene sulfonate solution, stirring, adjusting pH, cooling, adding calcium lignosulfonate and rutin, and mixing.

ZHANG Z, DUAN P

Preparing mud-resistant concrete water-reducing agent comprises e.g. mixing methyl alkenyl polyoxyethylene ether, sodium styrene sulfonate and water, heating, adding graphene oxide solution, mixing, adding oxidizing agent, adding acrylic acid, adding sodium hydroxide aqueous solution and cooling.

ZHANG Z, DUAN P

Water silicide removal system based on capacitive adsorption comprises water processing tank, capacitor adsorption component, water inlet pipe connected to tank, pump arranged on water inlet pipe, stirring device arranged on tank, and water outlet pipe connected to water treatment tank.

WANG B, YUAN Z, DUAN P, DONG X

Preparing recycled plastic from waste plastic comprises e.g. collecting and processing waste polyethylene terephthalate, polypropylene and acrylonitrile butadiene styrene plastics, extruding, pelletizing and performing vacuum distillation.

DUAN W, DUAN P, DUAN Z

High-toughness high-adhesive C220 high-strength hybrid fiber concrete comprises e.g. cement, sand, fly ash, straw ash, silicon ash, nano-silicon, water reducing agent, excitant, antifoaming agent, shrinkage reducing agent and ramie fiber.

ZHENG J, ZHENG S, RUAN S, DUAN P, LIU X, WEN G, HE J, YANG J, ZHANG X, DONG J, SHANG Z, ZHOU Y, DONG L

Hybrid fiber concrete comprises e.g. cement, sand, gravel, fly ash, nano-silicon, water reducing agent, excitant, antifoaming agent, shrinkage reducing agent, ramie fiber, basalt fiber, and carboxy modified polyvinyl alcohol polymer.

ZHENG S, RUAN S, ZHENG J, ZHENG Y, YANG S, JI J, CAO C, WEN G, WANG B, LONG L, LI L, YANG J, DUAN P, DONG L

Preparing graphene doped with nitrogen and sulfur, comprises e.g. mixing graphene, nitrogen-sulfur doping source and agate ball, ball milling, washing, filtering, and freeze-drying to obtain nitrogen and sulfur double-doped graphene.

DUAN P, SHAN Y, YIN L, ZHANG X

Preparing porous graphene dispersion by electrochemical method, comprises e.g. preparing electrolyte, electrolytically peeling graphite material in electrolyte, and ultrasonically processing obtained graphite intercalation compound.

DING G, DUAN P, HE P, XIE X

Preparing fluoride adsorbent, comprises mixing aluminum salt and succinate salt uniformly, and separating.

DUAN P, JIA X, XIA R, HOU X, ZHANG K, WANG X, TA L, QIAN C, ZHANG X, WANG L