国家/地区 中国（28）
IPC部 B（28）
IPC大类 B01（28）
IPC小类 B01J（28）
IPC B01J020/26（28）
发明人 LI J（3） WANG H（3） ZHANG L（3）
CHEN J（2） LI H（2） WU Z（2）
XU K（2） ZHANG Y（2） ZHOU C（2）
公开年 2020（15） 2021（12）
申请年 2020（28）
专利权人 LI J（3） UNIV TSINGHU.（3） CHEN J（2）

Core-shell particles used in the separation and recovery of carboxyl group-containing polymers, comprises core portion and a shell portion covering the core portion, core moiety comprises a polymer and nanoparticles dispersed in the polymer, shell portion contains a hydrophilic polymer.

YANG Z

Preparing ferrosoferric oxide grafted polyethyleneimine-graphene composite adsorption material involves adding nano-ferrosoferric oxide to deionized water, and placing it in an ultrasonic device and performing ultrasonic.

ZHOU C

Preparing nanocomposite fiber membrane useful for removing ionic dyes and heavy metal ions in wastewater, comprises immersing polyacrylonitrile electrospinning nanofibers and graphene oxide composite film in dopamine aqueous solution.

WANG H, NIU L, HAN D, PAN G

Titanium dioxide-polyethyleneimine-graphene composite adsorption degradation material useful in water pollution treatment.

DONGHUA L

Preparing composite microspheres used for e.g. degrading organic wastewater, by adding graphene/titanium dioxide composite to chitosan sol, ultrasonically processing, placing in methanol solution of glutaraldehyde, stirring, and drying.

HAN Y, GUO S, ZHANG J, SUN X

Modified polyacrylonitrile fiber film useful for absorbing lead ion in water, prepared by e.g. preparing mixture of polyacrylonitrile, chitosan and biochar, adding into mixture of dopamine and graphene oxide, stirring and electrospinning.

CHEN J, XU K

Water treatment reactor useful for adsorbing chromium ions in water, prepared by mixing polylactic acid, chitosan, polyethylene adipate and dibutyl terephthalate through a screw extruder and then compounding with modified graphene oxide.

HE Y

Preparing polyvinylamine/(graphene oxide-carbon nanotube) composite aerogel material involves preparing graphene oxide by oxidation and surface activation treatment of graphite powder in presence of strong oxidizing agent.

ZHOU C, XIAO Y, ZHAO Z

Preparing polyacrylonitrile/ethylene vinyl alcohol composite fiber membrane in the treatment of lead ion wastewater, involves adding polyacrylonitrile powder (PAN), thioacetamide and graphene oxide to solvent I, sonicating and stirring.

CHEN J, XU K

Preparing iron-copper oxide-loaded graphene oxide/polyvinyl alcohol composite hydrogel, comprises e.g. adding graphene oxide, ultrasonically dispersing, adding iron(II) chloride and copper(II) chloride, stirring and adding polyvinyl alcohol.

CHENG L, WANG S