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Alkylamine ether derived surfactant and preparation method thereof

A technology of surfactants and alkylamine ethers, which is applied in the field of alkylamine ether derivative surfactants and their preparation, can solve the problems of poor compatibility of anionic surfactants, and achieve curb side reactions, easy operation, The effect of simple method

Active Publication Date: 2018-03-20
山东转化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Amino ether surfactants have excellent emulsification, dispersion, solubilization, antistatic, lubrication, corrosion inhibition, sterilization and other characteristics, but they are not compatible with anionic surfactants.

Method used

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  • Alkylamine ether derived surfactant and preparation method thereof
  • Alkylamine ether derived surfactant and preparation method thereof
  • Alkylamine ether derived surfactant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0034] The preparation of didodecanyl secondary amine ether (5EO) carboxylic acid shown in formula V

[0035]

[0036] A kind of preparation method of didodecanyl secondary amine ether (5EO) carboxylic acid, comprises the following steps: the first step: carboxylation reaction, earlier raw material 1.3mol didodecanyl secondary amine ether (5EO) and 1mol chlorine Sodium acetate was placed in the experimental device equipped with a stirrer, thermometer, water separator and condenser tube. The whole experimental device was inerted for 3 times, and finally nitrogen protection was introduced, the condenser was opened, and the temperature was raised to 40-90 ° C. Sodium hydroxide is evenly divided into 5-10 parts, and added in batches and evenly within 8-20 hours of reaction time. If the acid value is less than 120, it is considered that the carboxylation reaction is over. The second step: acidification and separation, use 30% HCl solution to neutralize to pH=4±0.5, raise the tem...

preparation Embodiment 1-1

[0038] The preparation of didodecanyl secondary amine ether (5EO) carboxylic acid shown in formula V

[0039]

[0040]A kind of preparation method of didodecanyl secondary amine ether (5EO) carboxylic acid, comprises the following steps: the first step: carboxylation reaction, earlier raw material 1.2mol didodecanyl secondary amine ether (5EO) and 1mol chlorine Sodium acetate was placed in the experimental device equipped with a stirrer, thermometer, water separator and condenser tube. The whole experimental device was inerted for 3 times, and finally nitrogen protection was introduced, the condenser was opened, and the temperature was raised to 40-90 °C, and 1.25 mol Sodium hydroxide is evenly divided into 5-10 parts, and added in batches and evenly within 8-20 hours of reaction time. If the acid value is less than 120, it is considered that the carboxylation reaction is over. The second step: acidification and separation, use 30% HCl solution to neutralize to pH = 4±0.5, ...

preparation Embodiment 1-2

[0042] The preparation of didodecanyl secondary amine ether (5EO) carboxylic acid shown in formula V

[0043]

[0044] A kind of preparation method of didodecanyl secondary amine ether (5EO) carboxylic acid, comprises the following steps: the first step: carboxylation reaction, earlier raw material 1.2mol didodecanyl secondary amine ether (5EO) and 1mol chlorine Sodium acetate was placed in an experimental device equipped with a stirrer, thermometer, water separator and condenser. The experimental device was inerted three times, and finally nitrogen protection was introduced, the condenser was opened, and the temperature was raised to 40-90°C. Sodium hydroxide is evenly divided into 5-10 parts, and added in batches and evenly within 8-20 hours of reaction time. If the acid value is less than 120, it is considered that the carboxylation reaction is over. The second step: acidification and separation, use 30% HCl solution to neutralize to pH = 4±0.5, raise the temperature to ...

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Abstract

The invention relates an alkylamine ether derived surfactant expressed as chemical structure formulas I, II and III. In the formulas, R1 and R2 are respectively selected from the group consisting of C4 to C22 linear or branched saturated hydrocarbyl or unsaturated hydrocarbyl; the formulas are shown in the description, wherein R1 and R2 are the same or different, a is 0-100, and b is 0-100, a andb are integers and are not zero simultaneously. The invention also relates to a method for preparing the alkylamine ether derived surfactant. The method comprises the following steps: firstly enablingsecondary amine ether to react with chloracetate in the presence of hydroxide of metal so as to generate secondary amine ether carboxylate; then acidizing the secondary amine ether carboxylate by using hydrochloric acid, separating to obtain a product, obtaining amine ether carboxylic acid; or carrying out phosphate esterification via secondary amine ether and phosphorus pentoxide to obtain monoester and diester of secondary amine ether. The property of the finally prepared surfactant is adjusted from the molecular structure according to the difference of adduct numbers of amine ether alkyl,EO and PO. The synthetic method is simple and convenient, easy to operate and low harm to environment. Secondary amine ether carboxylic acid is expressed as a formula I which is shown in the description; secondary amine ether phosphate diester is expressed as a formula II which is shown in the description; secondary amine ether phosphate monoester is expressed as a formula III which is shown in the description.

Description

technical field [0001] The invention relates to an alkylamine ether derived surfactant and a preparation method thereof. Background technique [0002] Since the 1950s, with the rapid development of the petrochemical industry, surfactants are a new type of chemicals that have emerged at the same time. It has a wide range of application fields, basically covering petroleum, food, agriculture, health, environment and other technical departments, and has a great auxiliary effect on improving technology, increasing production, and improving quality. [0003] Today, there are more than 10,000 kinds of surfactants in the world, and the output exceeds 15 million tons. According to the differences in their structures, various surfactants have large differences in their properties such as wetting, emulsifying, dispersing, solubilizing, bubble defoaming, and antistatic properties. In the actual use process, it is difficult for technicians in various industries to choose which surfact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F17/44B01F17/16B01F17/14C07C213/08C07C217/08C08G65/337C10M133/06C10M149/12C10N40/22C09K23/44C09K23/14C09K23/16C09K23/46
CPCC10M133/06C10M145/28C10M145/30C10M149/12C10M153/04C10M173/00C07C213/08C07C217/08C07F9/091C08G65/3322C08G65/337C10M2225/04C10M2217/06C10M2209/104C10M2209/105C10N2030/24C10N2040/22C09K23/14C09K23/00C09K23/16
Inventor 张楠王杨张城翟刚
Owner 山东转化科技有限公司
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