国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC B01D067/00（5）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Complex separation film useful for separation and purification of nanoparticles, macromolecules, proteins or viruses with different particle sizes, comprises deposition substrate layer, separation layer and fixed protective layer.

WANG B, SUO Y, GE Y, LI Y, YANG F, HAO Y, WANG X, SU L

Electrospun polymer nanofibrous membrane having high filtration efficiency comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes.

SOLIMAN S, GUO F

Composite material useful for delivering and desorbing macromolecular substance, preferably polysaccharide molecule, protein, DNA and RNA in cell, comprises carbon nanotube as nano-particles and polydimethylsiloxane as flexible substrate.

CHEN H, WANG L, TANG H

Preparation of cation-exchange membrane by dissolving polyaniline in organic or ionic solvent, dispersing graphene and adhesive to obtain modified solution; and immersing sulfonated polyether ether ketone film in modified fluid, and heating.

ZHANG J, ZHANG Y

Method for forming nanopore in graphene membrane in liquid environment, involves applying nanopore diameter tuning voltage pulse between membrane surfaces if electrical conductance is greater than prespecified electrical conductance.

GOLOVCHENKO J A, LU B, KUAN A T, GOLOVCHENKO J, KUAN A