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A magnesium aluminum silicate inorganic gel with good dispersion performance and preparation method thereof

A magnesium aluminum silicate and inorganic gel technology, applied in the direction of aluminum silicate, silicate, etc., can solve the problems of disturbing the surface charge balance of the magnesium aluminum silicate sheet structure, affecting production efficiency, and slow dispersion speed, etc., to achieve The modification method is simple and easy to solve the effects of long dispersion time and reduced dispersion time

Active Publication Date: 2018-03-02
苏州中材非金属矿工业设计研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the slow dispersion speed of magnesium aluminum silicate inorganic gel in the water-based system in the prior art, which affects production efficiency, conventional inorganic dispersants will disturb the charge balance on the surface of the magnesium aluminum silicate lamellar structure and destroy the magnesium aluminum silicate lamellar structure The "card room" space structure leads to the low viscosity of the aqueous solution of the magnesium aluminum silicate electrodeless gel, and even the structure of the inorganic gel cannot be formed, and the original suspension-assisting performance is lost. The present invention provides a Magnesium aluminum silicate inorganic gel with good dispersion performance and preparation method thereof

Method used

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  • A magnesium aluminum silicate inorganic gel with good dispersion performance and preparation method thereof
  • A magnesium aluminum silicate inorganic gel with good dispersion performance and preparation method thereof

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Effect test

Embodiment 1

[0052] Be 1t at magnesium aluminum silicate raw material quality, solid content is the magnesium aluminum silicate ore pulp slurry of 10%, add 20kg modifier iminobenzimidazole carbamate (being that the consumption of organic modifier is magnesium silicate 2% of the mass of aluminum), stirred and mixed at 30°C for 1.5h to carry out the modification reaction, after the reaction, the slurry was aged at 30°C for 3 days, and then spray-dried at 100°C to obtain the modified product.

Embodiment 2

[0054] Be 1t in magnesium aluminum silicate raw material quality, in the slurry that solid content is 10%, add 20kg modifying agent carbamate-2-isopropylphenyl ester (the consumption that is organic modifier is magnesium aluminum silicate quality 2%), stirred and mixed at 20°C for 2 hours to carry out the modification reaction, after the reaction, the slurry was aged at 20°C for 3 days, and then spray-dried at 90°C to obtain the modified product.

Embodiment 3

[0056] Add 10 kg of modifier iminebenzimidazole carbamate and 10 kg of modifier 2-isopropylphenyl carbamate into the slurry with a raw material quality of 1 ton of magnesium aluminum silicate and a solid content of 10%. (that is, the amount of the organic modifier is 2% of the mass of magnesium aluminum silicate), stirring and mixing at 40°C for 1 hour to carry out the modification reaction, after the reaction, the slurry was aged at 40°C for 3 days, and then heated at 110°C Spray drying to obtain the modified product.

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Abstract

The invention provides aluminium-magnesium silicate inorganic gel with good dispersity and a preparing method thereof. The aluminium-magnesium silicate inorganic gel mainly is prepared from aluminium-magnesium silicate and an organic modifier; the method comprises: (1) preparing aluminium-magnesium silicate pulp; (2) adding the organic modifier into the prepared aluminium-magnesium silicate pulp, stirring and mixing and then performing an ageing reaction; (3) drying the slurry subjected to the ageing reaction to prepare the aluminium-magnesium silicate inorganic gel. The aluminium-magnesium silicate inorganic gel is subjected to surface modification by adding a proper amount of the organic modifier, so as to realize the aim of improving the dispersing speed of the aluminium-magnesium silicate inorganic gel in a waterborne system.

Description

technical field [0001] The invention belongs to the field of inorganic gels, and relates to a magnesium aluminum silicate inorganic gel and a preparation method thereof, in particular to a magnesium aluminum silicate inorganic gel with good dispersion performance and a preparation method thereof. Background technique [0002] Magnesium aluminum silicate inorganic gel is a kind of clay mineral containing magnesium aluminum silicate (such as smectite, bentonite and bentonite, etc.) process to obtain a natural inorganic gel product with a certain purity. [0003] Qiu Jun et al. (Preparation of high-performance montmorillonite inorganic mineral gel. Qiu Jun et al. "Chemical Minerals and Processing", 2007 (6): 16-18.) Using a purified calcium-based bentonite in Shandong as raw material, studied the preparation Optimal process conditions for inorganic gels. It uses NaF as sodium agent, sodium pyrophosphate as phosphating agent, calcium oxide as gelling agent, and prepares montmo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/26
CPCC01B33/26
Inventor 汪思孝雷东升刘根扣
Owner 苏州中材非金属矿工业设计研究院有限公司