国家/地区 韩国（5）
IPC部 B（5）
IPC大类 B01（5） C02（3） C08（2）
IPC小类 B01D（5）
IPC B01D071/02（5）
发明人 LEE J（2） LEE J S（2） OH Y（2）
公开年 2020（3）
申请年 2019（5）
专利权人 BON WATERS C.（2）

Graphene oxide filler useful in polymer composite membrane, comprises surface modifier which is zwitterionic substances, and graphene oxide combined with surface modifier.

LEE J C, KONG S, SEO H

Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.

KIM I S, MOHAMED, SOL K Y

Manufacture of separator for e.g. wastewater treatment, involves coating solution containing base resin e.g. polysulfone, graphene, and polyfunctional compound, on polymer support, and processing coated support in coagulation bath.

LEE J S, YOOSANGCHEOL, OH Y

Separation membrane used for water treatment, comprises polymer support layer, and coating layer comprising graphene oxide in at least one base resin e.g. polysulfone, polyethersulfone, polyvinylidene fluoride, and polyacrylonitrile.

LEE J S, OH Y, LEE J

Graphene filter module for removing contaminants like industrial waste and sewage, and heavy metals from raw water of e.g. rivers and lakes, filters incoming water through outer membrane layer, graphene filter layer and inner membrane layer.

LEE J, KIM S, LEE M, HAN S, LEE J H, KIM S H, HAN S Y, JUNGHOON L, SANGHO K, SIN L M, SEONGEUNPARK, YOON S, LI Z, JIN X, LI M, HAN C