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Calcium carbonate and sodium bicarbonate complexing agent and preparation method thereof

A technology of sodium bicarbonate and calcium carbonate, applied in the chemical industry, can solve the problems of large voids, not suitable for large buildings, poor adhesion between calcium carbonate and other components, etc., to avoid poor adhesion.

Inactive Publication Date: 2015-04-01
宜兴天力化工纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using calcium carbonate in a wet method, relying on the infiltration of other components or the use of glue can effectively improve the mixed bonding of calcium carbonate and other components; however, when using calcium carbonate in a dry method, due to the characteristics of calcium carbonate itself, it is not easy to stick Attached, resulting in poor bonding effect between calcium carbonate and other components after mixing, affecting subsequent use
In order to improve the cohesive force of calcium carbonate in the dry method, the more conventional method is to add a certain amount of glue, but due to the large gaps between the glue molecules, it is not suitable for the needs of large buildings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Take 80% by weight calcium carbonate and 20% sodium bicarbonate and pass through a 100-mesh sieve respectively, mix the sieved calcium carbonate and sodium bicarbonate for 10 to 20 minutes, and then continue to pass through an 80-mesh sieve to obtain the product.

Embodiment 2

[0012] Take 60% by weight of calcium carbonate and 40% of sodium bicarbonate and pass through a 100-mesh sieve respectively, mix the sieved calcium carbonate and sodium bicarbonate for 10-20 minutes, and then continue to pass through an 80-mesh sieve to obtain the product.

Embodiment 3

[0014] Take 70% by weight of calcium carbonate and 30% of sodium bicarbonate and pass through a 100-mesh sieve respectively, mix the sieved calcium carbonate and sodium bicarbonate for 10-20 minutes, and then continue to pass through an 80-mesh sieve to obtain the product.

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PUM

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Abstract

The invention discloses a calcium carbonate and sodium bicarbonate complexing agent comprising the following components in percentage by weight: 60-80% of calcium carbonate and 20-40% of sodium bicarbonate. Meanwhile, the invention discloses a preparation method of the complexing agent. According to the calcium carbonate and sodium bicarbonate complexing agent disclosed by the invention, the finenesses of the two raw materials are controlled, and the two raw materials are premixed, so that the raw materials are very sufficiently combined to generate a certain binding effect, and furthermore, the problem of poor binding force caused when the single calcium carbonate component is used is effectively avoided in the following use process.

Description

technical field [0001] The invention belongs to the field of chemical industry, and in particular relates to a calcium carbonate sodium bicarbonate composite agent and a preparation method thereof. Background technique [0002] In the construction industry, it is usually necessary to add a certain amount of calcium carbonate to carry out the mixing ratio. When using calcium carbonate in a wet method, relying on the infiltration of other components or the use of glue can effectively improve the mixed bonding of calcium carbonate and other components; however, when using calcium carbonate in a dry method, due to the characteristics of calcium carbonate itself, it is not easy to stick Attachment, resulting in poor bonding effect between calcium carbonate and other components after mixing, affecting subsequent use. In order to improve the cohesive force of calcium carbonate in the dry method, a certain amount of glue is still added in a more conventional method, but due to the ...

Claims

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Application Information

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IPC IPC(8): C04B14/28
Inventor 薛汉华
Owner 宜兴天力化工纳米科技有限公司