国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C02（2）
IPC小类 B01D（2）
IPC B01D061/02（2）
发明人 LIU G（2）
公开年 2023（2）
申请年
专利权人 VONTRON TECH.（2）

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

Preparing nano-filtration membrane useful for e.g. water treatment, comprises e.g. oxidizing polypropylene microporous film to make surface hydroxylation, performing oxidation treatment by aqueous solution comprising persulfate composite, and post-processing to obtain nano membrane.

SONG P, HU L, LIU G, LIANG S