国家/地区 中国（3）
IPC部 B（3） C（2）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人
公开年 2022（3）
申请年 2022（3） 
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 graphite alkyne separation membrane in-situ, involves e.g. preparing regular distributed non-groove on surface of flat metal substrate, coating protective layer on surface, preparing graphite film, coating porous polymer, removing protective layer and forming through hole.

WANG Z, QI Y, XIANG N, LIU X, LI L, WANG T

Continuously producing silazane comprises adding normal-hexane, saturating and passing ammonia gas, dripping trimethylsilyl chloride, adding reaction solution into sodium hydroxide aqueous solution, washing obtained upper layer liquid with hot water and separating organic layer.

ZHANG W