Title:
CATIONIC OLIGOMERIC SURFACTANT CONTAINING MULTIPLE QUATERNARY AMMONIUM HEAD GROUPS AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/037067
Kind Code:
A1
Abstract:
A cationic oligomeric surfactant containing multiple quaternary ammonium head groups and a preparation method therefor. The preparation method comprises: dropwise adding a quaternization reagent into an acidified C1-C18 alkyl tertiary amine to carry out a quaternization reaction to obtain an intermediate product, and then dropwise adding a certain amount of an alkyl diamine compound into the reaction solution to carry out a second-step quaternization reaction, the obtained product being a cationic oligomeric surfactant containing multiple quaternary ammonium head groups. The surfactant contains four quaternary ammonium head groups and two hydroxyl groups, and thus has excellent surface activity and interfacial activity. The synthesis process is mild and does not generate toxic and harmful byproducts.
Inventors:
JIANG YAJIE (CN)
HOU SHIDA (CN)
WANG YAKUI (CN)
GENG TAO (CN)
LI JUN (CN)
JU HONGBIN (CN)
WANG ZHIFEI (CN)
ZHANG LU (CN)
HOU SHIDA (CN)
WANG YAKUI (CN)
GENG TAO (CN)
LI JUN (CN)
JU HONGBIN (CN)
WANG ZHIFEI (CN)
ZHANG LU (CN)
Application Number:
PCT/CN2023/093862
Publication Date:
February 22, 2024
Filing Date:
May 12, 2023
Export Citation:
Assignee:
CHINA RES INSTITUTE OF DAILY CHEMISTRY CO LTD (CN)
International Classes:
C07C215/40; C07C213/04; C09K23/18
Domestic Patent References:
| WO2008144744A2 | 2008-11-27 |
Foreign References:
| CN115197077A | 2022-10-18 | |||
| US4728337A | 1988-03-01 | |||
| US4778813A | 1988-10-18 | |||
| CN1926093A | 2007-03-07 | |||
| CN104710974A | 2015-06-17 | |||
| CN108714398A | 2018-10-30 | |||
| JPH08188560A | 1996-07-23 |
Attorney, Agent or Firm:
RZBC PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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