国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D067/00（2）
发明人 LI Y（2）
公开年 2023（2）
申请年 2023（2）
专利权人

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Preparation of aminophenol graphene oxide film for ensuring sustainable regeneration ultra-fast water channel by sunlight irradiation, involves obtaining graphene oxide solution, dispersing in aqueous solution, preparing aminophenol-formaldehyde resin precursor solution, stirring and irradiating.

HE Z, LI Y, LIU X, MA Y, YUE D, SHI G