国家/地区 中国（8）
IPC部 B（11） C（6）
IPC大类 B01（11）
IPC小类 B01D（11） C02F（5） B82Y（2）
IPC B01D067/00（11）
发明人 CHEN Z（2） ZHANG M（2）
公开年 2023（11）
申请年 2021（5）  2023（4）  2022（2） 
专利权人

Composite film used for selectively separating cation in water environment, comprises supporting layer and functional layer located on surface of supporting layer, where functional layer comprises seed layer, and metal-organic framework layer located on surface of seed layer.

LU C, HU C, CHEN Z, QU J

Electrospun polymer nanofibrous membrane used in air filtration applications, comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes, where membrane is treated with one or more anti-pathogenic agents.

GUO F, SOLIMAN S

Preparing carboxylated oxidized graphene modified flexible flat film, comprises e.g. preparing oxidation graphene, dispersing oxidation graphene in deionized water and obtaining oxidation dispersion graphene, and adjusting graphene.

ZHANG M, CHEN Z, XU J, HUANG Y, WU S, XU H

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

Anti-pollution ultrafiltration membrane useful in process of filtering solution containing organic matter, comprises e.g. ultrafiltration base membrane and modified layer, where ultrafiltration base membrane is polyacrylonitrile and/or polyvinylidene fluoride.

GUO H, ZHANG M, HONG Z, MA H, YU T, XIE Q

Graphene separation film used in total organic carbon analyzer for testing and monitoring of purity of drinking water and process water, comprises support layer and separation layer, which is double-layer graphene film with nanopores.

ZHANG S, SUN J, YAO A, HOU D, ZHANG D, WANG L

Graphene oxide composite membrane used for separating antibiotic waste water comprises dopamine-modified hollow fiber support e.g. polysulfone, polyethersulfone, polypropylene, polyacrylonitrile and polyvinyl chloride and crosslinked graphene separation layer embedded with manganese dioxide nanobelt.

WANG T, DUAN S, QU G, XU F, WANG C

Manufacture of polyvinylidene fluoride composite separator for lithium secondary polymer battery, involves mixing carbon structure and titanium oxide with solvent to obtain solution, and casting solution to preset thickness to obtain membrane forming composite separator.

OH S B, OH J W, O S B, OHJUNWON

Making nanomembrane used e.g. to purify water from salts by e.g. carrying out synthesis of nanomaterials in form of e.g. graphite and activated carbon, and carrying out sonication of nanomaterials in isopropanol, ethanol or distilled water.

KRUSZKA B

Preparing high-throughput anti-pollution polyvinylidene fluoride hybrid ultrafiltration membrane used in wastewater, involves adding polyvinylidene fluoride, first catalyst and potassium hydroxide ethanol solution in reaction vessel, stirring uniformly to form mixed solution, stirring, reacting.

CHANG N, YAN B, WANG H