Preparation method and application of phenoxy tertiary amine sulphonate ampholytic surfactant
A technology of phenoxy tertiary amine sulfonate and surfactant, which is applied in the field of preparation of phenoxy tertiary amine sulfonate amphoteric surfactant, and can solve the problem that the surfactant used for oil displacement cannot meet the oil displacement requirements, etc. , to achieve the effect of low production cost, good effect and simple production process
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Embodiment 1
[0021] Add 0.1mol phenol and 1.0g tetrabutylammonium bromide in sequence to a three-necked reaction flask equipped with an electric stirrer, a reflux condenser and a thermometer, and the mass fraction is 15% NaOH aqueous solution, and slowly add 0.16mol ring Oxychloropropane, the titration time is 45~60min, constant temperature reaction for 5 hours after the dropwise addition is completed, the reaction is completed, suction filtration, the oil layer is washed with distilled water until neutral, and dried with anhydrous calcium chloride; equipped with electric stirrer, reflux Add 28% hexadecyl tertiary amine (0.05mol) ethanol solution into the three-necked flask of the condensing device, raise the temperature to 40°C, add 0.025mol alkoxy glycidyl ether dropwise while stirring, and the dropwise addition time is 20min. After the dropwise addition is completed, After raising the temperature of the system to 60°C, react for four hours, and distill under reduced pressure after the re...
Embodiment 2
[0023] Add 0.1mol phenol and 2.0g tetrabutylammonium bromide in sequence to a three-necked reaction flask equipped with electric stirrer, reflux condenser and thermometer, the mass fraction is 20% NaOH aqueous solution, and slowly add 0.2mol ring Oxychloropropane, the titration time is 45~60min, constant temperature reaction for 7 hours after the dropwise addition is completed, the reaction is completed, suction filtration, the oil layer is washed with distilled water until neutral, and dried with anhydrous calcium chloride; equipped with electric stirrer, reflux Add 28% hexadecyl tertiary amine (0.05mol) ethanol solution into the three-necked flask of the condensing device, raise the temperature to 40°C, add 0.025mol alkoxy glycidyl ether dropwise while stirring, and the dropwise addition time is 30min. After the dropwise addition is completed, After raising the temperature of the system to 60°C, react for four hours, and distill under reduced pressure after the reaction; add ...
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