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Suspending agent of mica mineral in water solution

A technology of aqueous solution and suspending agent, which is applied in the field of suspension of mica minerals in aqueous solvents, can solve problems such as impossibility, and achieve the effect of improving performance

Inactive Publication Date: 2011-08-31
上海伊索热能技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For ceramic fiber products made of ceramic fiber floc, it cannot be achieved by the above method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Polyacrylamide solution as suspending agent:

[0034] First prepare a polyacrylamide solution with a mass concentration of 1-2%:

[0035] Put the polyacrylamide powder into the aqueous solution at 50-60°C according to the mass concentration of 1-2%. Use a mechanical vibrating screen to disperse the material evenly. The mesh number of the screen is 10 mesh. Turn per minute, make a polyacrylamide solution with a concentration of 1 to 2%, and use a piston pump or a diaphragm pump to transport it.

Embodiment 2

[0037] Polyacrylamide solution, crosslinker and bleach composition as suspending agent:

[0038] Weigh 300g of polyacrylamide solution with a mass concentration of 1%, 0.3g of cross-linking agent, 1g of bleaching agent, add 7000g of water, and configure it into a uniform solvent so that the solvent does not agglomerate and flows evenly, and then put 360g, particle size 1~ 5mm mica minerals are evenly dispersed into the solvent, fed at a slow speed, and stirred for 2 to 5 minutes at a speed of about 50 rpm to form a mica mineral suspension product A.

Embodiment 3

[0040] Polyacrylate emulsion and polyacrylamide solution as suspending agent:

[0041] Weigh 3000ml of polyacrylate emulsion, 300g of polyacrylamide solution with 1% mass concentration, 0.3 grams of crosslinking agent, 1g of bleaching agent, add 7000g of water, and configure it into a uniform solvent so that the solvent does not have agglomeration and flows evenly, and then put 360g of mica minerals with a particle size of 1-5 mm are uniformly dispersed into the solvent, fed slowly, and stirred at a speed of about 50 rpm for 2-5 minutes to become mica mineral suspension product B.

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Abstract

The invention relates to a suspending agent for suspending mica minerals in aqueous solution, a suspension method and uses thereof. The suspending agent is suitable for the suspension of high-density water-insoluble substances in aqueous solution. The suspending agent for suspending mica minerals in the aqueous solution contains polyacrylamide solution, a polyacrylate emulsion, cation latex, rubber latex or a mixture thereof. The invention has the advantages: after adding one or more suspending agents in the aqueous solution to produce solvent and adding mica minerals in the solvent, the micaminerals can distribute uniformly in each direction of the solvent; and by mechanical stirring, the mica minerals disperse uniformly in the interior of the suspending agent under the action of mechanical centrifugal force, to form a stable and homogenous system within a certain period of time. Therefore, the invention provides an approach to pretreatment for the uniform deposition of fillers in the interior and on the surface of wet ceramic fibers, and improves the performance of ceramic fiber final products.

Description

technical field [0001] The invention relates to a suspending agent of mica minerals in an aqueous solution, which relates to a suspending agent and its suspending method and application, and is suitable for suspending high-density water-insoluble substances in aqueous solvents, especially for slurry in the inorganic ceramic fiber industry Suspension of mica minerals in an aqueous solvent during mixing. Background technique [0002] As a very important mineral, mica is widely used in various industries. The specific method of use is to mix mica minerals with water-based substances, which requires that mica minerals can be well suspended in the water-based solvent to form a uniform unity with other substances. [0003] In the preparation process of inorganic ceramic fibers, in addition to ceramic fibers, it is usually necessary to add a certain amount of fillers in the aqueous solution, such as mica minerals, alumina (Al 2 o 3 ) powder, crushed or ground glass fiber, etc., ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/63
Inventor 李军良张朝礼
Owner 上海伊索热能技术股份有限公司
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