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A kind of preparation method of orange surfactant

A surfactant and active agent technology, applied in the field of preparation of orange surfactants, can solve the problem of few types of colored surfactants, and achieve the effect of convenient separation and purification

Active Publication Date: 2020-04-10
XI'AN PETROLEUM UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the fact that the types of colored surfactants are still relatively small, the new orange surfactants that start from improving the water solubility of colored surfactants have not been reported in the literature.

Method used

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  • A kind of preparation method of orange surfactant
  • A kind of preparation method of orange surfactant
  • A kind of preparation method of orange surfactant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation method of the present embodiment is as follows:

[0026] (1), preparation of intermediate lauryl alcohol polyoxyethylene ether (m=3) chloride

[0027] Add 0.0185mol polyoxyethylene lauryl ether (m=3) and 0.0369mol pyridine into a 100mL three-necked flask, stir well, then slowly add 0.0369mol thionyl chloride dropwise, and stir and react at 60-70°C for 10 hours; Stop the reaction, cool down, and stand still; the organic matter in the upper layer is neutralized to weak alkalinity with 15% sodium hydroxide solution, moved into a separatory funnel to separate the water layer, and the organic layer is washed with water for 5-6 times until there is no pungent smell. Pour the crude product into a single-necked round bottom flask, add 25mL of petroleum ether, and reflux at 60-90°C to remove water. Afterwards, the petroleum ether was distilled off to obtain a brown transparent liquid.

[0028] Depend on figure 1 It can be seen that 3000cm -1 There is no peak ...

Embodiment 2

[0033] The preparation method of the present embodiment is as follows:

[0034] (1) Preparation of intermediate octylphenol polyoxyethylene ether (m=10) chloride: add 0.0205mol octylphenol polyoxyethylene ether (m=10) and 0.0369mol pyridine into a 100mL three-neck flask, stir well Slowly add 0.0369mol thionyl chloride dropwise, and stir the reaction at 60-70°C for 12 hours. Stop the reaction, cool down, and let stand. The organic matter in the upper layer was neutralized to weak alkalinity with 15% sodium hydroxide solution, moved into a separatory funnel to separate the water layer, and the organic layer was washed with water for 5-6 times until there was no pungent smell.

[0035] The crude product was poured into a single-necked round bottom flask, and 35 mL of petroleum ether (60-90° C.) was added to reflux to remove water. Afterwards, it was concentrated by rotation to obtain a brown transparent liquid.

[0036] (2) Preparation of octylphenol polyoxyethylene ether (m=1...

Embodiment 3

[0038] The preparation method of the present embodiment is as follows:

[0039] (1) Preparation of intermediate nonylphenol polyoxyethylene ether (m=5) chloride: add 0.0195mol nonylphenol polyoxyethylene ether (m=5) and 0.0369mol pyridine into a 100mL three-neck flask, stir well Slowly add 0.035mol thionyl chloride dropwise, and stir the reaction at 60-70°C for 3.5 hours. Stop the reaction, cool down, and let stand. The organic matter in the upper layer was neutralized to weak alkalinity with 15% sodium hydroxide solution, moved into a separatory funnel to separate the water layer, and the organic layer was washed with water for 5-6 times until there was no pungent smell.

[0040] Pour the crude product into a single-necked round-bottomed flask, add 30ml appropriate amount of petroleum ether (60-90°C) and reflux to remove water. Afterwards, the petroleum ether was distilled off to obtain a brown transparent liquid.

[0041] (2) Preparation of nonylphenol polyoxyethylene eth...

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Abstract

A kind of preparation method of orange surfactant, take the nonionic surfactant with different HLB value as raw material, obtain the chlorinated product of intermediate nonionic surfactant through chlorination reaction, the latter and sodium p-hydroxyazobenzenesulfonate A series of non-ionic surfactant sodium azobenzenesulfonate with different structures were synthesized by substitution reaction of the sodium salt; they have the characteristic structures of surfactants and azo dyes; these orange-yellow products are easily soluble in water and have surface active.

Description

technical field [0001] The invention relates to the field of surfactants in the chemical field, in particular to a preparation method of an orange surfactant. Background technique [0002] Orange surfactant is one of the colored surfactants. The difference between it and conventional surfactants is that the hydrophilic group itself is often relatively large in size, and the hydrophilic group itself has a certain color. The colored hydrophilic groups include azobenzenesulfonic acid, rhodamine, azo dye acid blue black 10B, etc. [0003] Zheng Zhuoli et al. synthesized a series of azo molecules with different alkyl chain lengths-3'-fatty amido-4'-hydroxyazo-4-sulfonic acid (abbreviated as AAS) (Zheng Zhuoli et al. A colored surfactant Synthesis and surface activity research [J]. Fine Chemical Industry, 2003, 20 (10): 593-595). The colored surfactant has good surface activity; the azo structure constitutes a hydrophilic group and the position of the hydrophilic ion group in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F17/12B01F17/42C07C303/32C07C309/46C09K23/12C09K23/42
CPCC07C41/22C07C303/32C09K23/00
Inventor 张科良
Owner XI'AN PETROLEUM UNIVERSITY
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