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Smectite inorganic gel particles easy to disintegrate and disperse in water and preparation method of smectite inorganic gel particles

A technology of inorganic gel and smectite, which is applied in the field of smectite inorganic gel particles and its preparation, can solve problems affecting product quality and use effect, unacceptable by users, and taking a long time, so as to reduce environmental and The hazards of production operators, overcoming the difficulty of dispersion, the effect of the principle of the preparation method

Active Publication Date: 2013-08-07
ZHEJIANG FENGHONG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, as long as dust is generated during the production, packaging, transportation and use of powdered smectite inorganic gel, it may cause potential harm to the human body.
[0004] And if the smectite inorganic gel product is processed into coarser particles (particle size greater than 500 microns), although dust can be reduced, a mixer with a higher speed is required during use and it takes a long time to break up , which will seriously affect product quality and use effect, making it difficult for users to accept

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Raw materials: 75 parts of dried unmilled sodium montmorillonite inorganic gel, 10 parts of sodium bicarbonate, 4 parts of citric acid, 10 parts of polyethylene glycol (molecular weight 2000), 1 part of defoamer P803.

[0027] (2) Preparation of sodium montmorillonite inorganic gel particles:

[0028] Mix 75 parts of sodium montmorillonite inorganic gel with 10 parts of sodium bicarbonate, 4 parts of citric acid and 1 part of defoamer P803 in a mixer for 30 minutes, and then use a quantitative spray feeder to mix 10 parts of polyethylene glycol Spray the alcohol evenly into the mixture, continue to mix for 30 minutes, after granulation by a screw granulator, dry by a mesh belt microwave dryer, and pack in a moisture-proof bag.

[0029] The obtained sodium-based montmorillonite inorganic gel particles are used as an anti-sedimentation thixotropic agent for water-based coatings, and the phenomenon of dust flying no longer occurs during the feeding process. After addin...

Embodiment 2

[0031] (1) Raw materials: 70 parts of dry unmilled Hankatorite inorganic gel, 10 parts of sodium carbonate, 5 parts of oxalic acid, 12 parts of polyvinylpyrrole, and 3 parts of defoamer LT-201.

[0032] (2) Preparation of Hanktolith inorganic gel particles:

[0033] Mix 65 parts of Hanktorite inorganic gel with 10 parts of potassium carbonate, 5 parts of oxalic acid and 3 parts of defoamer LT-201 in a mixer for 30 minutes, and then use a quantitative spray feeder to uniformly mix 12 parts of polyvinylpyrrole Spray it into the mixed material, continue to mix for 30 minutes, after passing through the drum granulator, dry it with a mesh belt microwave dryer, and pack it in a moisture-proof bag.

[0034] The obtained hankate stone inorganic gel particles are used as the anti-sedimentation thixotropic agent of water-based coatings, and the phenomenon of dust flying no longer occurs during the feeding process. After adding the granular smectite inorganic gel products of the formula ...

Embodiment 3

[0036] (1) Raw materials: 77 parts of dry unmilled sodium montmorillonite inorganic gel, 7 parts of ammonium bicarbonate, 7 parts of benzoic acid, 8 parts of polyvinyl alcohol, and 1 part of defoamer P803.

[0037] (2) Preparation of sodium montmorillonite inorganic gel particles:

[0038] Mix 77 parts of sodium montmorillonite inorganic gel with 7 parts of ammonium bicarbonate, 7 parts of benzoic acid and 1 part of defoamer P803 in a mixer for 30 minutes, then use a quantitative spray feeder to mix 8 parts of polyvinyl alcohol Spray evenly into the mixed material, continue to mix for 30 minutes, after being granulated by a rotary granulator, dry in a mesh belt microwave dryer, and pack in a moisture-proof bag.

[0039] The obtained sodium-based montmorillonite inorganic gel particles are used as an anti-sedimentation thixotropic agent for water-based coatings, and the phenomenon of dust flying no longer occurs during the feeding process. After adding the granular smectite ino...

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PUM

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Abstract

The invention relates to smectite inorganic gel particles easy to disintegrate and disperse in water and a preparation method of the smectite inorganic gel particles. The smectite inorganic gel particles comprise the following components in parts by weight: 60-85 parts of smectite inorganic gel primary products, 5-10 parts of alkali, 5-10 parts of acid, 5-15 parts of adhesives, and 0-5 parts of defoaming agents. The preparation method comprises the following steps that: the smectite inorganic gel primary products, the alkali, the acid and the defoaming agents are mixed uniformly; the adhesives are added in an atomizing way and mixed uniformly to obtain mixed materials; the mixed materials are made to be long-strip-shaped, circular or irregular particles; and the particles are dried by microwaves and packaged by moistureproof bags to the smectite inorganic gel particles. According to the invention, the particles are prevented from damaging environment and production operators, and the application performance of the particles is improved greatly; and the preparation method is simple and is easy to realize industrialization.

Description

technical field [0001] The invention belongs to the field of smectite inorganic gel particles and preparation thereof, in particular to smectite inorganic gel particles easily disintegrated and dispersed in water and a preparation method thereof. Background technique [0002] Smectite inorganic gel is a fine chemical product of hectorite or sodium montmorillonite clay minerals. The general product is usually a white powder with very fine particles, odorless, non-toxic, non-irritating, and insoluble in water and ethanol. and organic solvents. However, it swells when soaked in water, and can be dispersed to form a gel with high transparency and high viscosity and uniform performance at a low solid content in the aqueous solution. Generally used in cosmetics, detergents, coatings, paints, daily chemicals, lithium batteries, printing and dyeing auxiliaries, lubricants, adhesives, purifiers and other fields as thickeners, thixotropic agents, suspension stabilizers, anti-corrosio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B12/00
Inventor 宋海明李静静林鸿福叶秋杉赵艳
Owner ZHEJIANG FENGHONG NEW MATERIAL
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