国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Preparation of biamino chitosan-graphene oxide hybrid material for constructing plasma separation membrane , involves adding sodium hydroxide, and dispersing mono-tert-butoxycarbonyl-protected diamino chitosan derivative in methanol.

JIN W, CHU Z, XIE Y

Seawater desalination nanofiltration membrane comprises polyvinylidene fluoride, graphene chitosan composite nanoparticles, piperazine, and trimesoyl chloride.

WU S, LONG J, LI P, REN W

Three-dimensional printing technology for production of sewage treatment filter membranes involves establishing multi-porous gradient cylindrical model on three-dimensional Max software, and e.g. exporting stereolithography format.

FAN Z, WANG Z, HAN Z, ZHANG X, LIANG J