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Preparation method of decyl glucopyranoside

A technology of glucoside and decanyl, which is applied in the field of non-ionic surfactant preparation, can solve the problems of long condensation reaction time, long reaction time, and slow reaction speed, so as to improve the reaction rate and yield and reduce sugar Effects of occurrence of side reactions, improvement of conversion rate and rate

Active Publication Date: 2015-02-11
扬州晨化新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010](3) Most of the currently reported one-step methods for preparing decanyl glucoside use anhydrous glucose microparticles as raw materials, and the preparation cost is high
[0011](4) Difficult process operation and control, low production efficiency and low yield
[0012](5) Hydrogen peroxide is used as oxidant for decolorization, the decolorization and bleaching effect is poor, and the decolorization stability is poor

Method used

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  • Preparation method of decyl glucopyranoside

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The main process equipment is: stirring equipment, condensation reactor, decompression flash evaporation equipment, neutralization reactor, dealcoholization reactor, decolorization and impurity removal equipment, solid-liquid separation equipment, deployment and mixing equipment, etc., in which the condensation reactor is a jet stream The chemical reactor, the decompression and flash evaporation equipment is a flash tank, the neutralization reactor is a tank-type stirred chemical reactor, the evaporation dealcoholization equipment is an evaporator, the decolorization and impurity removal equipment is a flat-plate electrochemical reactor, and the stirring equipment is a tank type reactor, and the deployment and mixing equipment is a deployment and mixing tank.

[0046] As shown in the figure, a method for preparing decyl glucoside is a method for preparing decyl glucoside aqueous solution as raw materials with decanol and glucose, and the method steps are as follows:

[...

Embodiment 2

[0057] Main process equipment is: basically the same as embodiment one, the difference is that the condensation reactor is an impingement flow chemical reactor, and the decolorization and impurity removal equipment is a fixed bed electrochemical reactor.

[0058] As shown in the figure, a method for preparing decyl glucoside is a method for preparing decyl glucoside aqueous solution as raw materials with decanol and glucose, and the method steps are as follows:

[0059] (1) Preparation of sugar solution: 10 kg of water was added to the tank reactor, and then 10 kg of glucose was added thereto, and the mass ratio of glucose to water was 1.0: 1.0;

[0060] (2) Preheating and heating: heat the sugar liquid material obtained in the previous step to 90°C, and then keep it warm;

[0061] (3) Condensation reaction: The sugar solution preheated in the previous step and the alkyd mixture material that has been preheated to 170°C are respectively filtered to remove solid impurities, and...

Embodiment 3

[0069] The main process equipment is: basically the same as in Example 1, the difference is that the condensation reactor is a plug-flow chemical reactor, and the decolorization and impurity removal equipment is a fluidized bed electrochemical reactor.

[0070] As shown in the figure, a method for preparing decyl glucoside is a method for preparing decyl glucoside aqueous solution as raw materials with decanol and glucose, and the method steps are as follows:

[0071] (1) Preparation of sugar solution: 10 kg of water was added to the tank reactor, and then 9 kg of glucose was added thereto, and the mass ratio of glucose to water was 0.9: 1.0;

[0072] (2) Preheating and heating: heat the sugar liquid material obtained in the previous step to 100°C, and then keep it warm;

[0073] (3) Condensation reaction: The sugar solution preheated in the previous step and the alkyd mixture material that has been preheated to 185°C are respectively filtered to remove solid impurities, and i...

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Abstract

The invention relates to a preparation method of decyl glucopyranoside. n-decanol and glucose as raw materials are prepared into a decyl glucopyranoside aqueous solution. The preparation method comprises the following steps of 1, glucose liquid preparation, 2, pre-heating for temperature increasing, 3, a condensation reaction, 4, reduced pressure flashing, 5, pH value adjustment, 6, solid-liquid separation, 7, evaporation alcohol-removal, 8, decoloration purification, and 9, blending. The preparation method has the advantages that a process flow is reasonable; reaction time is short; a production cost is low; quality is stable; a yield is high; reaction processes are safe and reliable; favorable conditions of separation and refining of chemical reaction products are provided; conditions of process industrialization are provided; and the preparation method is simple, convenient and fast.

Description

Technical field [0001] The method of removing miscellaneous and mixed with mixed preparation of glucoside is a fine chemical technology field. Background technique [0002] Alkyl glycoside is referred to as APG, which is synthesized by natural fattyol and glucose of renewable resources. It is a new type of non -ion surfactant with more comprehensive performance. It has excellent ecological and toxic properties and outstanding physical chemical properties and good properties and good.Compatible performance, low surface tension, humidity, strong decontamination power, rich and delicate foam, can be reproduced with any type of surface active agent, the synergistic effect is obvious, and it is non -toxic, harmless, non -stimulating.A type of surfactant is an internationally recognized "green" functional surfactant.Alkyl glycoside can be used as the main raw materials for shampoo, shower gel, facial cleanser, laundry solution, hand washing solution, tableware washing solution, vegetab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H15/04C07H1/00
Inventor 于子洲姚干兵姜海峰许文林董晓红
Owner 扬州晨化新材料股份有限公司
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