国家/地区 中国（5）
IPC部 C（5）
IPC大类 C08（5）
IPC小类 C08K（3） C04B（2） C08F（2）
C08L（2）
IPC C08K003/04（3） C04B024/16（2） C04B103/30（2）
C08F212/14（2） C08F283/06（2） C08K009/04（2）
发明人 DUAN P（5）
公开年 2021（3） 2013（2）
申请年 2021（3）  2013（2） 
专利权人 HUNAN XIANFE.（2） UNIV HOHAI（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

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

Preparation of high conductivity sheet of polypyrrole used as e.g. metal corrosion protection material, comprises dispersing sulfonic acid functionalized graphene in water, dispersing, dissolving oxidant in water solution, and drying.

YUAN Z, GUO Y, HAN Y, SHEN M, DUAN P

Manufacture of flame retardant polystyrene nano composite material, involves preparing graphene/carbon nanotube/layered double hydroxide composite material, mixing polystyrene resin with obtained composite, and extruding.

WU Y, YUAN Z, GUO Y, HAN Y, SHEN M, DUAN P