Synthetic method of particle size maintaining grinding type green surfactant

A technology of surfactant and synthesis method, applied in chemical instruments and methods, preparation of sugar derivatives, sugar derivatives, etc., can solve the problem of affecting the synthesis efficiency of alkyl glycosides, changing the synthesis parameters of alkyl glycosides, and reducing the quality of alkyl glycosides Control and other issues to maintain process stability, improve grinding effect, and improve service life

Active Publication Date: 2021-10-22
JIANGSU WAN QI BIOLOGICAL TECH
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  • Claims
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Problems solved by technology

[0004] However, in the prior art, the glue film machine is mainly used to grind and mix glucose and fatty alcohol, and in the continuous working process of the glue film machine, due to the mechanical Thermal and mechanical wear can easily change the gap between the movable grindi

Method used

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  • Synthetic method of particle size maintaining grinding type green surfactant
  • Synthetic method of particle size maintaining grinding type green surfactant
  • Synthetic method of particle size maintaining grinding type green surfactant

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Experimental program
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Embodiment

[0042] see figure 1 , a kind of particle size keeps the synthetic method of abrasive type green surfactant, comprises the steps:

[0043] S1. Selecting n-decyl alcohol and anhydrous glucose as raw materials with a molar ratio of 5:1-8:1;

[0044] S2. Put the mixed raw materials into the rubber mill, grind through the cooperation of the magnetic fixed-gap movable grinding disc 3 and the fixed-gap static grinding disc 4, and keep the electromagnetic stabilizing ring 401 and the gap between the same polar permanent magnet block 501 and the same polar strong magnetic The patch 7 and the adjustable electromagnetic patch 8 act at the same time to achieve magnetic dynamic balance, maintain the adjustable constant grinding gap 6, and grind the mixed raw materials for 20-60 minutes;

[0045] S3. After the grinding is completed, pass the ground mixed solution into the dehydrator, keep the dehydrator at a temperature of 80-85°C and a pressure of 2.67kpa, and perform dehydration treatmen...

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Abstract

The invention discloses a synthetic method of a particle size maintaining grinding type green surfactant, and belongs to the field of preparation of green surfactants. Electromagnetic stabilizing rings, gap maintaining homopolar permanent magnet blocks, homopolar strong magnetic patches and adjustable electromagnetic patches are additionally arranged. During the synthesis process of the green surfactant, the raw materials are ground. Dynamic balance of magnetic force between the homopolar permanent magnet blocks and the homopolar strong magnetic patches as well as the adjustable electromagnetic patches is kept by keeping the electromagnetic stabilizing rings and the gaps, so that the positions of the magnetic repulsion gap fixing teeth are stabilized, and the colloid mill body is prevented from being damaged when the colloid mill body is continuously used and is subjected to mechanical heat and mechanical abrasion. The adjustable constant grinding gap can keep effective stability, so that the grinding particle size is kept within a certain range, the change degree of the grinding particle size is effectively reduced, the controllability of synthesis parameters is kept, the synthesis efficiency of alkyl glycoside is improved, the process stability of the synthesis process is effectively kept, and the quality of the alkyl glycoside is improved.

Description

technical field [0001] The invention relates to the field of preparation of green surfactants, in particular to a method for synthesizing particle size-maintaining abrasive green surfactants. Background technique [0002] Green surfactants refer to surfactants that are processed from natural or renewable resources, are less irritating to the human body and are easily biodegradable. Alkyl glucoside is a new type of green surfactant that emerged in the 1990s. It is a mixture obtained by losing a molecule of the hemiacetal group of glucose and fatty alcohol group in the catalysis of acid, a natural renewable resource. product. Alkyl glycosides have low surface tension, no cloud point, adjustable HLB value, strong wetting power, strong detergency, rich and delicate foam, strong compatibility, non-toxic, harmless, non-irritating to the skin, and rapid and thorough biodegradation. It can be compounded with any type of surfactant and has obvious synergistic effect, so it is widel...

Claims

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Application Information

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IPC IPC(8): C07H1/00C07H15/06C07H1/06B02C7/08B02C7/11B02C7/14
CPCC07H1/00C07H15/06C07H1/06B02C7/14B02C7/08B02C7/11
Inventor 金瑞刘建文
Owner JIANGSU WAN QI BIOLOGICAL TECH
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