国家/地区 中国（26）
IPC部 B（26）
IPC大类 B01（26）
IPC小类 B01D（26）
IPC B01D071/56（26）
发明人 ZHANG Y（5） LIU H（3） HU L（2）
LI S（2） LIANG S（2） LIU G（2）
LIU J（2） LIU W（2） SHEN W（2）
WANG J（2） WANG L（2） XU Z（2）
YANG L（2） ZHANG J（2） ZHANG X（2）
公开年 2022（8） 2018（4） 2017（3） 2021（3） 2023（3） 2016（2） 2020（2）
申请年 2022（6）  2021（5）  2018（4）  2016（3）  2019（3）  2017（2）  2020（2） 
专利权人 HUNAN YUTUO .（3） UNIV CHINA O.（2） VONTRON TECH.（2）

Preparing light-driven self-cleaning composite filter membrane useful for removing pollutant in water, comprises adjusting pH of alcohol solution of titanium dioxide nanosheets to alkali, adding silane to hydrolyze, adding graphene oxide and applying on substrate.

ZHANG X, CHEN P, ZHANG Z, FU H, HE D

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

Preparing composite nanofiltration membrane assembled layer-by-layer useful in seawater desalting field, comprises e.g. performing interfacial polymerization reaction on oil-aqueous phase interface region, placing composite nano-filtration membrane on container and assembling polyamide film.

LIU J, SU Y

Improving separability of reverse osmosis membrane, comprises using polyamide membrane modified by graphene oxide to separate oxidized substances in water to enhance water flux, chlorine resistance, and anti-pollution performance of polyamide membrane.

SHEN W, HE H, XU Z, YANG L, ZHANG Y

Preparation method for improving chlorine resistance of reverse osmosis membrane comprises using graphene oxide perform material modification of polyamide membrane, reducing pore size, porosity, hydrophilicity, and surface roughness of polyamide membrane modified by graphene oxide.

WANG C, XU Z, LIU W, YANG L, ZHANG Y

Graphene oxide filled mixed substrate reverse osmosis membrane used in water purification and separation process of film, chlorine resistance and pollution resistance, comprises graphene oxide embedded in polyamide layer.

LUO Y, LIU W, SHEN W, XU H, ZHANG Y

Preparing ultra-hydrophilic-underwater ultra-oleophobic graphene hydrogel/stainless steel mesh composite oil-water separation membrane, comprises immersing stainless steel mesh in detergent water, absolute ethanol and deionized water, placing in oven for in-situ polymerization and freeze-drying.

DAI Z, NI H, LI R, TIAN N

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Preparation of nanofiltration membrane involves coating film casting liquid containing polymer on nonwoven fabric, contacting obtained base film with e.g. aqueous phase solution containing amine monomer to form polyamide functional layer, crosslinking, imidizing, post-treating, and drying.

LIU Z, ZHANG J, HU L, LIANG S, WANG B

Preparing efficient seawater desalination membrane involves taking microporous membrane as surface membrane and polyamide-based membrane as intermediate layer.

LIU G, LI S, WANG L