Method for preparing cationic alkyl polyglycoside surfactant

An alkyl polyglycoside and surfactant technology, which is applied in the field of preparation of cationic alkyl polyglycoside surfactants, can solve the problems of not fully realizing the excellent performance of the product, difficult to obtain monomers, difficult to control the reaction, etc. The effect of equipment investment and energy saving, low equipment requirements and mild reaction conditions

Inactive Publication Date: 2011-09-14
HENAN TITANING CHEM TECH
View PDF2 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, regarding the synthesis research of cationic alkyl polyglycoside surfactants, it is introduced in Japanese Patent JP03287596 that the reaction of alkyl polyglycosides with acrylonitrile is followed by catalytic hydrogenation to generate 3-aminopropyl alkyl polyglycosides, and then Utilize methyl chloride or dimethyl sulfate to carry out quaternization reaction to it to obtain cationic alkyl polyglycoside surfactant, but this reaction process will be carried out under 10.13MPa, 120 ℃, and reaction is difficult to control; In German patent DE4413686 also has It is reported that under the condition of the presence of a solvent, the alkyl polyglycoside is reacted with (3-chloro-2-hydroxypropyl) trimethyl ammonium chloride, or (2,3-epoxypropyl) trimethyl ammonium chloride, However, the monomers used in this reaction are not easy to obtain, and the presence of solvents has a

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for preparing cationic alkyl polyglycoside surfactant
  • Method for preparing cationic alkyl polyglycoside surfactant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: in the 250ml four-necked flask that has thermometer, stirrer, condenser tube, add the 50% dodecyl dimethyl tertiary amine hydrochloride aqueous solution of 99.81g, the epichlorohydrin of 11.10g Place in a separatory funnel, raise the temperature to 50°C, and slowly add epichlorohydrin dropwise while stirring. After 1 hour, the dropwise addition is completed, and the reaction is continued for 2 hours, cooled to room temperature, filtered with suction, washed with ethanol, and dried to obtain N-(3 -Chloro-2-hydroxypropyl)-N,N-dimethyl-N-dodecylammonium chloride cation intermediate.

[0024] In a 250ml four-neck flask with a thermometer, a stirrer, and a condenser tube, add 58.14g of N-(3-chloro-2-hydroxypropyl)-N,N-dimethyl-N-dodecyl Ammonium chloride cationic intermediate and 58.14g of deionized water, 55.46g of dodecyl polyglucoside with a degree of polymerization of 1.2 was made into a 60% solution and placed in a separatory funnel, heated to 60°C, and sl...

Embodiment 2

[0025] Embodiment 2: in the 250ml four-necked flask that has thermometer, stirrer, condenser, add the 50% tetradecyl dimethyl tertiary amine hydrochloride aqueous solution of 111.1g, the epichlorohydrin of 14.81g Place in a separatory funnel, raise the temperature to 60°C, and slowly add epichlorohydrin dropwise while stirring. After 2 hours, the dropwise addition is completed, continue the reaction for 3 hours, cool to room temperature, filter with suction, wash with ethanol, and dry to obtain N-(3 -Chloro-2-hydroxypropyl)-N,N-dimethyl-N-tetradecylammonium chloride cation intermediate.

[0026] In a 250ml four-necked flask with a thermometer, a stirrer, and a condenser, add 55.5g of N-(3-chloro-2-hydroxypropyl)-N,N-dimethyl-N-tetradecyl Ammonium chloride cationic intermediate and 55.5g of deionized water, 48.3g of tetradecyl polyglucoside with a degree of polymerization of 1.6 to form a 40% solution is placed in a separatory funnel, heated to 80°C, and slowly added dropwise w...

Embodiment 3

[0027] Embodiment 3: in the 250ml four-necked flask that has thermometer, stirrer, condenser, add the 50% hexadecyl dimethyl tertiary amine hydrochloride aqueous solution of 61.1g, the epichlorohydrin of 9.25g Place in a separatory funnel, raise the temperature to 80°C, and slowly add epichlorohydrin dropwise while stirring. After 1 hour, the dropwise addition is completed, and the reaction is continued for 2 hours, cooled to room temperature, filtered with suction, washed with ethanol, and dried to obtain N-(3 -Chloro-2-hydroxypropyl)-N,N-dimethyl-N-hexadecyl ammonium chloride cation intermediate.

[0028] In a 250ml four-neck flask with a thermometer, a stirrer, and a condenser, add 39.8g of N-(3-chloro-2-hydroxypropyl)-N,N-dimethyl-N-dodecyl Ammonium chloride cationic intermediate and 39.8g of deionized water, 65.5g of cetyl polyglucoside with a degree of polymerization of 2.4 to make a 30% solution is placed in a separatory funnel, the temperature is raised to 85°C, and sl...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention aims to provide a method for preparing a cationic alkyl polyglycoside surfactant with high service performance, which is reasonable in process. The structure of the cationic alkyl polyglycoside surfactant is shown below, wherein R1 and R2 are long-chain alkyls having 8 to 22 carbon atoms, preferably 12 to 16 carbon atoms; and n which is the average degree of polymerization of alkyl polyglucoside is 1.1 to 3.0, preferably 1.5 to 2.0. In the invention, by reasonably regulating the addition mode and mixing ratio of reaction raw materials and optimally selecting a reaction temperature and a reaction time, the technique of the invention is reasonable, energy-saving and environment-friendly, no toxic and harmful matters are produced in a process, the technique is simple, the reaction conditions are mild, the requirements on equipment are low, cost is reduced effectively, more equipment investment and energy consumption are reduced, industrialization can be realized more easily, the product quality is more stable, and the performance is higher.

Description

technical field [0001] The invention relates to a preparation method of a cationic alkyl polyglycoside surfactant, which belongs to the technical field of organic compound synthesis. Background technique [0002] Surfactant is a kind of substance that is easy to accumulate at the interface, thereby changing the properties of the interface and having a significant impact on the interface process. With the development of surfactants and the improvement of the overall industrial level, surfactants have entered various fields of the national economy and national pillar industries from household washing and personal protection products in daily life, such as energy industry, preparation of new materials, Environmental engineering, metallurgy, electronics, machinery, agriculture and other fields, it is a load "functional" chemical material, which can effectively improve the process of related industries, improve efficiency, improve product quality, save energy and improve the envi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B01F17/18B01F17/38B01F17/56C09K23/18C09K23/38C09K23/56
Inventor 牛华娄平均朱红军丁徽彭雪萍叶舒娟
Owner HENAN TITANING CHEM TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap