国家/地区 中国（4）
IPC部 B（4） C（2）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D061/14（4）
发明人
公开年 2022（4）
申请年 2022（4）
专利权人

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

Preparing porous macromolecular polymeric material filter membrane involves placing a silicon substrate to be grown with upright graphene in vacuum chamber of plasma enhanced chemical vapor deposition device, inputting buffer gas, and stabilizing air pressure in vacuum chamber by adjusting.

YAN Y, ZHENG W, FU W, YANG D

Preparing pollution-resistant micro-filtration membrane useful in water and oil-permeable microfiltration process, comprises e.g. reacting fluorine-based, silicon-based or fluorosilicon-modified polyacrylate random copolymers, tetrahydrofuran solvent and immersing microfiltration membrane in ethanol.

HOU J, XUE L, YUE Z, ZHOU L, YAO Z, CHEN P, GU K, LEI Y, XING J, XIE S, PENG Y, CHEN X

Preparation of p-nitrophenol comprising adding p-nitrochlorobenzene and aqueous sodium hydroxide solution, stirring, raising temperature, adding sulfuric acid solution to obtain reaction solution, separating oil layer by oil-water separation and subjecting oil layer to ultrafiltration.

CAO M, YAO X, XIONG G, HUANG Z, GUO X, CHEN Y, CHEN B