国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D061/02（2）
发明人
公开年 2023（2）
申请年 2021（2）
专利权人

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

Hollow fiber solvent-resistant nano-filtration membrane useful e.g. for separation and purification of organic solvent system, comprises base film and separation skin layer, where base film material is polyimide of generating crosslinking reaction with polyamine compound.

LIU S, LV X, JIANG Y, LI S, SU J, SU B