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Coating bentonite

A technology of bentonite and coating, applied in the direction of fibrous filler, inorganic pigment treatment, inorganic chemistry, etc., can solve the problems of high manufacturing cost, achieve the effect of reducing production cost, improving effect and improving quality

Inactive Publication Date: 2019-11-22
WUHU HENGJIE NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the manufacturing cost of the paint bentonite produced is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The present embodiment provides a kind of coating bentonite, it is characterized in that: described preparation process is as follows:

[0018] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials.

[0019] Step 2: Pulverize the obtained bentonite raw material, and add resin to the pulverized bentonite to disperse.

[0020] Step 3: adding a sodiumizing agent to the dispersed bentonite for sodiumization.

[0021] Step 4: Purify the bentonite after sodiumization, and then cover the purified bentonite with ammonium salt.

[0022] Step 5: Rinse the bentonite covered with ammonium salt, perform a dehydration after the rinsing is completed, add a sodium agent to the bentonite after the first dehydration for sodiumization, and perform a second dehydration after completion.

[0023] Step 6: heating and drying the bentonite after secondary dehydration, pulverizing and grinding the bentonite after heating an...

Embodiment 2

[0026] The present embodiment provides a kind of coating bentonite, it is characterized in that: described preparation process is as follows:

[0027] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials.

[0028] Step 2: Pulverize the obtained bentonite raw material, and add resin to the pulverized bentonite to disperse.

[0029] Step 3: adding a sodiumizing agent to the dispersed bentonite for sodiumization.

[0030] Step 4: Purify the bentonite after sodiumization, and then cover the purified bentonite with ammonium salt.

[0031] Step 5: Rinse the bentonite covered with ammonium salt, perform a dehydration after the rinsing is completed, add a sodium agent to the bentonite after the first dehydration for sodiumization, and perform a second dehydration after completion.

[0032] Step 6: heating and drying the bentonite after secondary dehydration, pulverizing and grinding the bentonite after heating an...

Embodiment 3

[0035] The present embodiment provides a kind of coating bentonite, it is characterized in that: described preparation process is as follows:

[0036] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials.

[0037] Step 2: Pulverize the obtained bentonite raw material, and add resin to the pulverized bentonite to disperse.

[0038] Step 3: adding a sodiumizing agent to the dispersed bentonite for sodiumization.

[0039] Step 4: Purify the bentonite after sodiumization, and then cover the purified bentonite with ammonium salt.

[0040] Step 5: Rinse the bentonite covered with ammonium salt, perform a dehydration after the rinsing is completed, add a sodium agent to the bentonite after the first dehydration for sodiumization, and perform a second dehydration after completion.

[0041] Step 6: heating and drying the bentonite after secondary dehydration, pulverizing and grinding the bentonite after heating an...

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Abstract

The invention provides a coating bentonite which is prepared by the following processes of firstly, screening the bentonite raw material mined from a bentonite ore, and removing the impurities to obtain the bentonite raw material; crushing the obtained bentonite raw material, and adding resin into the crushed bentonite for dispersion; and adding a sodium modifying agent into the dispersed bentonite to carry out sodium modification; and purifying the bentonite after sodium modification, and covering the purified bentonite with an ammonium salt; and rinsing the bentonite covered with the ammonium salt, carrying out primary dehydration after rinsing, adding the sodium modifying agent into the bentonite subjected to primary dehydration again to carry out sodium modification, and then carryingout secondary dehydration; and heating and drying the bentonite subjected to secondary dehydration, crushing and grinding the heated and dried bentonite, and packaging the finally obtained bentonite.The sodium modifying agent adopts the acrylic acid carbonate, and the heating and drying temperature is 140 DEG C, so that the production cost is reduced, the quality of the products is improved, andthe modification effect is improved.

Description

technical field [0001] The invention relates to the field of bentonite manufacture, in particular to a coating bentonite. 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 Stone has many excellent properties, such as good suspension, high dispersion, high cation exchange capacity and so on. Coating bentonite has been more and more widely used in architectural coatings, casting coatings and ceramic coatings. The manufacturing cost of the paint bentonite produced at present is relatively high. Contents of the invention [0003] In view of the above problems, the present invention provides a kind of coating bentonite, adopts 95% (water-containing) industrial methanol or acrylic acid carbonate through the sodiumizing agent, thereby reduci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/40C01B33/44C09C1/42C09C3/04C09C3/08C09C3/10
CPCC01B33/40C01B33/44C09C1/42C09C3/006C09C3/041C09C3/08C09C3/10
Inventor 汪元良
Owner WUHU HENGJIE NEW MATERIAL TECH CO LTD
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