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A kind of chemical curing agent and its preparation method and application

A chemical curing and cross-linking agent technology, applied in chemical instruments and methods, applications, other chemical processes, etc., can solve the problems of thin skin damage, desertification control with little effect, peeling off, etc., achieve mild reaction conditions, improve wind erosion resistance and resistance The ability of water erosion, the effect of simple preparation method

Inactive Publication Date: 2020-09-04
新疆旱海绿洲生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of this type of chemical curing agent is similar to covering the sand surface with a thin skin filled with sand. During use, the thin skin will often be damaged or even completely peeled off due to construction or wind erosion. problems, resulting in little effect in desertification control

Method used

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  • A kind of chemical curing agent and its preparation method and application
  • A kind of chemical curing agent and its preparation method and application

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preparation example Construction

[0027] This embodiment also provides a method for preparing the above-mentioned chemical curing agent, which includes:

[0028] Mix 20-50 parts by weight of polyvinyl alcohol, 10-30 parts of polyacrylamide and 10-30 parts of acrylate with water, and heat reaction at 60-80°C for 30-120 minutes to obtain the first group Preferably, the heating reaction is a water bath heating reaction, that is, mixing each component in the raw material with water in parts by weight, and heating and reacting for 30 to 120 minutes at a water bath temperature of 60 to 80°C to obtain the first component . By heating in a water bath, the reaction temperature is effectively controlled, which is conducive to the stable progress of the reaction.

[0029] A sodium silicate solution with a concentration of 2-5% by mass is prepared to obtain the second component; preferably, the concentration of the sodium silicate solution is 3%.

[0030] Further, in a preferred embodiment of the present invention, the ...

Embodiment 1

[0036] This embodiment provides a chemical curing agent, which includes a first component and a second component. Among them, the first component is mainly prepared by mixing the following raw materials in parts by weight with water: 50 parts of polyvinyl alcohol, 10 parts of polyacrylamide and 30 parts of acrylate; the second component includes silicic acid in parts by weight Sodium 5 parts.

[0037] The preparation method of this chemical curing agent is:

[0038] Mix the raw material components of the first component with water, and heat and react at 60°C for 120 minutes to obtain the first component;

[0039] A sodium silicate solution with a mass percent concentration of 5% was prepared to obtain the second component.

[0040] The method of using this chemical curing agent: first spray the first component on the surface of the sand, and then spray the second component on the surface of the sand to obtain the purpose of sand fixation, wherein the first component and the ...

Embodiment 2

[0042] This embodiment provides a chemical curing agent, which includes a first component and a second component. Among them, the first component is mainly prepared by mixing the following raw materials in parts by weight with water: 40 parts of polyvinyl alcohol, 15 parts of polyacrylamide and 25 parts of acrylate; the second component includes silicic acid in parts by weight Sodium 3 parts.

[0043] The preparation method of this chemical curing agent is:

[0044] Mix the raw materials in the first component with water, and heat and react in a water bath at 80°C for 30 minutes to obtain the first component;

[0045] A sodium silicate solution with a mass percent concentration of 2% was prepared to obtain the second component.

[0046] The method of using this chemical curing agent: first spray the first component on the surface of the sand, and then spray the second component on the surface of the sand to obtain the purpose of sand fixation, wherein the first component and...

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Abstract

The invention provides a chemical curing agent as well as a preparation method and application thereof and belongs to the field of curing agents. The chemical curing agent is prepared from a first component and a second component, wherein the first component is mainly prepared from water, polyvinyl alcohol, polyacrylamide and acrylate; the second component is a solution containing sodium silicate with the percentage concentration of 2 to 5 percent. The preparation method of the curing agent comprises the following steps: mixing the polyvinyl alcohol, the polyacrylamide and the acrylate with water, and carrying out heating reaction at the temperature of 60 to 80 DEG C for 30 to 120 minutes to obtain the first component; preparing the sodium silicate solution with the mass concentration of 2 to 5 percent, thus obtaining the second component. The chemical curing agent has bionic performance, i.e., the chemical curing agent can form chemical crust on the sand surface; the chemical crust is similar to biological crust, and can be used for long-acting immobilized governance on sand grains, so that the weather-proof capability and the water erosion resistance of desert are improved.

Description

technical field [0001] The invention relates to the field of curing agents, in particular to a chemical curing agent and its preparation method and application. Background technique [0002] Sandy desertification (desertification for short) is a process of land degradation caused by the combination of irrational human activities and changes in natural conditions. During this process, land productivity is greatly reduced, and even becomes unusable land, causing sandstorms, sandstorms and other disasters, seriously endangering industrial and agricultural production, and reducing people's quality of life. [0003] Desertification is one of the main types of desertification. As an extremely important environmental and socio-economic problem, it plagues the world today and threatens the survival and development of human beings. The global desertification area has reached 36 million square kilometers, accounting for 1 / 4 of the world's land area, and it is expanding at a rate of 5...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K105/00
CPCC09K17/40C09K2105/00
Inventor 屈建军王彦奎肖建华赖俊华周韦任居宪强丁录胜王进昌孙燕超
Owner 新疆旱海绿洲生态科技有限公司
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