国家/地区 中国（23）
IPC部 B（23） C（23）
IPC大类 B01（23）
IPC小类 B01D（23） C07C（16） C01B（4）
C07D（3） C07K（3） C07F（2）
IPC B01D067/00（23）
发明人 LI Y（5） JIANG Z（4） LAN Y（4）
PENG P（4） PAN F（3） ZHAO J（3）
LU M（2） TU W（2） WANG F（2）
WANG J（2） WANG T（2） WU H（2）
YANG H（2） YANG J（2）
公开年 2021（10） 2022（3） 2015（2） 2017（2） 2019（2） 2023（2）
申请年 2021（10）  2022（4）  2016（2）  2019（2） 
专利权人 UNIV SANMING（4） UNIV TIANJIN（4） JIANGSU JULA.（2） UNIV SOUTH C.（2）

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

Preparing carbon nanotubes reduced graphene oxide hybrid polydimethylsiloxane membrane useful for organic solvent recovery, comprises preparing membrane casting solution, adding nonionic surfactant to solvent with carbon nanotubes, providing selective permeation channel for organic solvent.

DING A, LIU K, FAN L, WANG Q, LIU J, XU N, WANG W, DONG Q

Graphene oxide separation membrane used for separating ethylene-ethane mixed gas, comprises selective separation layer and support layer, where selective separation layer includes graphene oxide nano-sheets, and also includes nano-cluster formed by silver ion and polyelectrolyte between nano-sheet.

JIN W, CHENG L, LIU G

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

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

Complex separation film useful for separation and purification of nanoparticles, macromolecules, proteins or viruses with different particle sizes, comprises deposition substrate layer, separation layer and fixed protective layer.

WANG B, SUO Y, GE Y, LI Y, YANG F, HAO Y, WANG X, SU L

Preparing 5-chloro-4-acetamido-2-methoxy methyl benzoate involves adding N,N-dimethylformamide, methyl 4-acetamido-2-methoxybenzoate, and N-chlorosuccinimide into reaction kettle to obtain reaction solution, and keeping it in ice-water bath.

WANG J, WANG T

Preparation of ethyl benzoylacetate involves stirring carbon tetrachloride and sodium bicarbonate, adding ethyl acetoacetate and benzoyl chloride, reacting, adding sodium hydroxide, filtering with microporous membrane and distilling filtrate.

WANG J, WANG T

Preparing metal ion doped graphene oxide composite film for separation of olefins and alkanes, involves providing graphene oxide, and dispersing graphene oxide in water to obtain graphene oxide dispersion, providing porous ceramic carrier.

ZENG G, YANG J, SUN Y

Cucurbituril/metal ion cross-linked graphene oxide composite film useful for pervaporation of butanol-water system to dehydrate, comprises graphene oxide nanosheet, supramolecular complex formed by cucurbituril and metal ions.

PAN F, JIANG Z, DU Y, LI Y