国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7） C02（5） C01（3）
IPC小类 B01D（7）
IPC B01D067/00（7）
发明人 WANG L（2）
公开年 2023（5） 2022（2）
申请年 2022（7）
专利权人

Flash evaporation spinning gradient pore structure ultrafiltration flat membrane comprises functional layer, transition layer and support layer, where functional layer is spun on surface of transition layer by flash spinning, and transition layer is spun on surface of support layer by flash spinning.

YANG C, ZHANG H, DING Y

Preparing graphene-assisted metal organic framework membrane material useful for extracting helium from natural gas, comprises e.g. reacting modified graphene substrate using zinc nitrate aqueous solution, 2-methylimidazole aqueous solution and benzodimethylimidazole aqueous solution.

DING B

Quantum dot graphene antibacterial adsorption electrostatic spinning nano-filtration membrane comprises high molecular polymer solution, graphene quantum dot and dispersant, where dispersant is prepared by electrospinning and crosslinking high molecular polymer-graphene quantum dot spinning solution.

WANG L, HU X, QI X, ZHAO H, QU L

Oxidation graphene reverse osmosis membrane comprises sub-nano carbon tube, oxidation graphene layer, and phospholipid double-molecular layer.

WANG L, WANG D, LI Z

Aminoimidazole ionic liquid membrane useful in absorption and separation of carbon dioxide in gas, comprises ionic liquid (Aemim)(Lys), polymeric ionic liquid P(Aevim)(Lys), porous material, or polymeric ionic liquid P(Aevim)(Lys) porous material.

MA J, MU X, SHE L, WU Z

Preparation of film useful for photothermal film distillation device, involves e.g. uniformly dripping Tris solution containing dopamine hydrochloride on hydrophobic polyvinylidene fluoride film, placing in vacuum suction filter bottle, adding graphene oxide-thiourea solution, and suction-filtering.

WANG Y, LIU H, HU Z, LI W

Preparation method of polyvinylidene fluoride membrane modified by polydopamine synergistic nanoparticles used in water purification, involves dissolving polyvinylidene fluoride and porogen in organic solvent, stirring, adding nanoparticle-doped polydopamine powder, heating and stirring uniformly.

YUAN A, YANG J