Efficient drying agent prepared from modified guar gum and soybean mixture

A technology of guar gum and desiccant, which is applied in the direction of dispersion particle separation, chemical instruments and methods, separation methods, etc., can solve problems such as dehydration, low water absorption capacity, and human body damage, and achieve stable performance, high water absorption, and Strong water retention effect

Inactive Publication Date: 2014-10-08
QINGDAO BORUILIN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the desiccants have low water absorption capacity, and they are easy to reach saturation after absorbing water or become a solution during the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] Example 1:

[0013] Dissolve 1 part of guar gum in 25 parts of water, stir at room temperature for 0.5 hours; add the acrylate monomer partially neutralized with alkali (neutralization degree 75%), the weight ratio of guar gum to acrylic monomer is 1:35 , After mixing evenly, add 1% acrylamide and 0.5% potassium persulfate, stirring at 45°C for half an hour. After the reaction is completed, suction filtration, drying, crushing, and then adding 1 part of auxiliary material soybeans, stirring evenly, and putting it into the expansion mechanism. The desiccant is obtained after puffing, crushing and sieving.

Example Embodiment

[0014] Example 2:

[0015] Take 1 part of guar gum and dissolve in 30 parts of water, stir at room temperature for 1 hour; add the acrylate monomer partially neutralized with alkali (neutralization degree 80%), the weight ratio of guar gum to acrylic monomer is 1:40 , After mixing evenly, add 1% acrylamide and 0.5% potassium persulfate, stirring at 60°C for half an hour. After the reaction is completed, suction filtration, drying and crushing, then add 0.5 parts of auxiliary material soybean and stir evenly, put it to the puffing mechanism. The desiccant is obtained after puffing, crushing and sieving.

Example Embodiment

[0016] Example 3:

[0017] Dissolve 1 part of guar gum in 35 parts of water and stir for 1.5 hours at room temperature; add the acrylate monomer partially neutralized with alkali (neutralization degree 85%), and the weight ratio of guar gum to acrylic monomer is 1:45 , After mixing evenly, add 1% acrylamide and 0.5% potassium persulfate, stir and react at 70°C for half an hour. After the reaction is complete, filter, dry and pulverize, then add 2 parts of auxiliary material soybean, stir evenly, and put it to the expansion mechanism. The desiccant is obtained after puffing, crushing and sieving.

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Abstract

The invention aims at providing an efficient drying agent prepared from a modified guar gum and soybean mixture. According to the technical scheme for achieving the aim, a preparation method comprises the following steps: dissolving guar gum into water, and stirring at room temperature for 0.5-2 hours; adding an acrylate monomer partially neutralized with alkali, and mixing to be uniform; adding acrylamide and potassium persulfate, and stirring for reaction at 30-70 DEG C for half an hour; after the reaction, performing suction filtration, drying and crushing; adding an auxiliary material, soybeans, and stirring to be uniform; puffing in a puffing machine; grinding and screening to obtain the drying agent.

Description

technical field [0001] The invention relates to the field of desiccants, in particular to a high-efficiency desiccant prepared from a mixture of modified guar gum and soybeans. Background technique [0002] A desiccant is a dehydrating agent that absorbs moisture from the atmosphere. Its drying principle is to physically absorb water molecules in its own structure or chemically absorb and change its chemical structure to become another substance. [0003] The commonly used desiccants include chemical desiccants and physical desiccants. Chemical desiccants dry by combining with water to form hydrates, such as calcium sulfate and calcium chloride, etc. Physical desiccants dry by physically adsorbing water, such as silica gel and activated alumina. However, most of the desiccants have low water absorption capacity, and are easy to reach saturation after absorbing water or become a solution during the moisture absorption process. The most serious thing is that when such desicca...

Claims

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Application Information

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IPC IPC(8): B01D53/28
Inventor 不公告发明人
Owner QINGDAO BORUILIN NEW MATERIAL
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