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Organic bentonite and preparation method thereof

A technology of bentonite and sodium-based bentonite, applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problems of high consumption of surfactants, high price, complicated process, etc.

Inactive Publication Date: 2014-03-05
THE INST OF MATERIAL PROTECTION OF ANYANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After drying, organic bentonite is obtained, but in fact the chloride ions in bentonite are difficult to clean, which has become one of the reasons why the use of commercially available bentonite is limited
[0005] Due to the traditional production method, the process is complicated, the consumption of surfactant is large, and the price is expensive. The current price is 16,000 yuan / ton, so it is limited in use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Add 7% sodium carbonate to inorganic bentonite, add water to saponify and stir, dry in air, and crush into sodium-based bentonite.

[0025] (2) A mixture of 0.5Kg of titanate coupling agent TC-114 (purchased from Anhui Taichang Chemical Co., Ltd.) and 9.5Kg of 32# mechanical oil was used as a hydrophobic agent.

[0026] (3) Mix 100Kg of 24# cylinder feed oil, 0.5Kg of atactic polypropylene and 2Kg of aluminum distearate, stir evenly at 190°C and let it stand for 24 hours to serve as an organic covering agent.

[0027] (4) Stir 15Kg of sodium bentonite, 1.5Kg of hydrophobic agent and 0.5Kg of covering agent evenly to obtain organic bentonite.

Embodiment 2

[0029] (1) Add 7% sodium carbonate to inorganic bentonite, add water to saponify and stir, dry in air, and crush into sodium-based bentonite.

[0030] (2) Use a mixture of 1Kg of titanate coupling agent TC-114 and 9Kg of 32# machine oil as the hydrophobic agent.

[0031] (3) Mix 100Kg of 24# cylinder stock oil, 1Kg of random polypropylene and 1Kg of aluminum distearate, stir evenly at 190°C and let it cool for 24 hours, as an organic covering agent.

[0032] (4) Stir 20Kg of sodium bentonite, 1Kg of hydrophobic agent and 1Kg of covering agent evenly to obtain organic bentonite.

Embodiment 3

[0034] (1) Add 7% sodium carbonate to inorganic bentonite, add water to saponify and stir, dry in air, and crush into sodium-based bentonite.

[0035] (2) Use a mixture of 1.5Kg of titanate coupling agent TC-114 and 8.5Kg of 32# mechanical oil as the hydrophobic agent.

[0036] (3) Mix 100Kg of 24# cylinder feed oil, 1.5Kg of atactic polypropylene and 1.5Kg of aluminum distearate, stir evenly at 190°C and stand still for 24 hours to serve as an organic covering agent.

[0037] (4) Stir 25Kg of sodium bentonite, 0.5Kg of hydrophobic agent and 1.5Kg of covering agent evenly to obtain organic bentonite.

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PUM

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Abstract

The invention discloses organic bentonite and a preparation method thereof. The organic bentonite comprises the following components in part by weight: 15 to 25 parts of sodium bentonite, 0.5 to 1.5 parts of water repellent agent and 0.5 and 1.5 parts of covering agent. In the invention, the water repellent agent is added into modified bentonite, and a titanate coupling agent is added into the water repellent agent; and titanate can be reacted with iron to become ferrous titanate after an organic bentonite product is coated on a metal surface, so that a main antirust effect is achieved. The titanate is subjected to monomolecular adsorption on metal, so that an antirust effect can be achieved by an extremely low adding amount. The organic bentonite has extremely low manufacturing cost and contributes to popularization and application, and the price of each ton of manufactured organic bentonite is 780RMB.

Description

technical field [0001] The invention relates to an organic bentonite and a preparation method thereof. Background technique [0002] Bentonite is a layered clay material with unique mineral structure and crystallization chemical properties. Natural bentonite is mainly composed of calcium-based montmorillonite and relatively less sodium-based montmorillonite. Na-based montmorillonite is more Bentonite has many excellent properties, such as good suspension, high dispersion, high cation exchange capacity, etc. Therefore, it is necessary to modify the natural calcium-based bentonite by sodium treatment. [0003] Organic bentonite is a deep-processing product of bentonite. Organic bentonite is a multi-purpose chemical additive widely used in paint, ink, drilling, grease, road asphalt treatment, etc. Organic bentonite used in lubricating grease can make the grease resistant to high temperature of 180°C and not drip at 205°C. [0004] The existing modification method of organic b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/40
Inventor 段剑影
Owner THE INST OF MATERIAL PROTECTION OF ANYANG