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Modified bentonite inorganic gel as well as preparation method and application thereof

A technology of inorganic gel and bentonite, which is applied in the field of modified bentonite inorganic gel and its preparation, and the functional field of modified bentonite inorganic gel, which can solve the problems of inability to form inorganic gel structure, slow dispersion speed, damage, etc. The modification method is simple and easy, the dispersion time is reduced, and the effect is suitable for popularization and application

Active Publication Date: 2021-03-30
苏州中材非金属矿工业设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the slow dispersion speed of bentonite inorganic gel in water-based system in the prior art, which affects production efficiency, conventional inorganic dispersants will disturb the surface of bentonite inorganic gel sheet structure The charge balance of the bentonite destroys the "card room" spatial structure of the bentonite sheet structure, resulting in the low viscosity of the aqueous solution of the bentonite inorganic gel, which even fails to form the structure of the inorganic gel and loses the original suspension-assisting performance. The invention provides a method for modifying the dispersibility of bentonite inorganic gel

Method used

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  • Modified bentonite inorganic gel as well as preparation method and application thereof
  • Modified bentonite inorganic gel as well as preparation method and application thereof

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Embodiment 1

[0040] Be 100kg at bentonite inorganic gel raw material quality, be made into the inorganic gel slurry that solid content is 10% and add 25kg attapulgite (being that the consumption of inorganic mineral is 25% of bentonite inorganic gel raw material quality), at 30 ℃ Stirring and mixing at low temperature for 1.5 hours 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. see figure 1 shown.

Embodiment 2

[0042] Be 100kg at bentonite inorganic gel raw material quality, be made into the slurry that solid content is 8%, add 50kg modifying agent attapulgite (being that the consumption of inorganic mineral is 50% of bentonite inorganic gel raw material quality), at 20 ℃ Stirring and mixing at low temperature 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 100°C to obtain the modified product.

Embodiment 3

[0044] Be 100kg at bentonite inorganic gel raw material quality, be made into the slurry that solid content is 6% and add 100kg modifying agent attapulgite (being that the consumption of inorganic mineral is 100% of bentonite inorganic gel raw material quality), at 20 ℃ Stirring and mixing at low temperature 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 100° C. to obtain the modified product.

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Abstract

The invention discloses modified bentonite inorganic gel and a preparation method thereof. The method comprises the following steps: S1, preparing bentonite inorganic gel ore pulp; S2, adding inorganic minerals into the prepared gel ore pulp, performing stirring and mixing, and then carrying out aging reaction; and S3, drying the aged slurry to obtain the product. The bentonite inorganic gel withgood dispersity is prepared, the suspension performance of the inorganic gel in a water dispersion system can be kept, and the product has good application prospects in the fields of water suspensionpesticides, water-based coatings and the like.

Description

technical field [0001] The invention belongs to the field of inorganic gels, and relates to a method for modifying the functionality of bentonite inorganic gels, in particular to a modified bentonite inorganic gel and its preparation method and application. Background technique [0002] Bentonite inorganic gel is a kind of clay mineral (such as smectite, bentonite, bentonite, etc.) A natural inorganic gel product with a certain purity is obtained. Bentonite inorganic gel has a unique layered magnesium aluminum silicate structure, and Na + . It can form a unique "card room" structure when dispersed in an aqueous solution, exhibiting excellent suspension, rheological and colloidal properties, etc., and has a wide range of applications in toothpaste, cosmetics, coatings, medicine and other fields. [0003] At present, the preparation methods of bentonite inorganic gel mainly contain the following types: [0004] Qiu Jun et al. (Preparation of high-performance montmorillonit...

Claims

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Application Information

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IPC IPC(8): B01J13/00C09D7/62
CPCB01J13/0056C09D7/62
Inventor 雷东升
Owner 苏州中材非金属矿工业设计研究院有限公司