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Novel environment-friendly water-retention anti-evaporation composite material and preparation method thereof

A composite material and environmental protection technology, applied in the direction of soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve the problems of chemical composition, ecological environment pollution, poor effectiveness of water retention and water blocking agents, etc., and achieve excellent performance and strong adsorption function Effect

Active Publication Date: 2015-05-20
马新亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above-mentioned prior art, the effectiveness of water-retaining and water-blocking agents in the current desert treatment process is poor, and the chemical composition of traditional water-retaining agents can cause increasingly serious pollution to the ecological environment, etc., the present invention designs and develops a A new type of environmentally friendly water-retaining and anti-evaporation composite material with water-retaining and water-repelling functions, which is a high-performance water-retaining material

Method used

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  • Novel environment-friendly water-retention anti-evaporation composite material and preparation method thereof
  • Novel environment-friendly water-retention anti-evaporation composite material and preparation method thereof
  • Novel environment-friendly water-retention anti-evaporation composite material and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 Preparation of a new type of environmentally friendly water-retaining and anti-evaporation composite material with water-retaining and water-repelling functions

[0037] Proceed as follows:

[0038] (1) Organic modification of montmorillonite: mix 100 grams of Na-based montmorillonite with 200 ml of deionized water, and stir at high speed (3000-5000 rpm, the same below) for 1.5 hours to uniformly disperse the montmorillonite in water to obtain Dispersion liquid, adjust the pH of the dispersion liquid to 5, add 5 grams of dimethylaminoethyl methacrylate and 5 grams of bromododecane, heat in a water bath to control the temperature at 70 ° C, and react for 1 hour; after the reaction, the reaction liquid is cooled to At room temperature, filter under reduced pressure to obtain a solid, dry, and grind to obtain modified montmorillonite, which is a white powder;

[0039](2) Intercalate agarose and modified montmorillonite to form a montmorillonite / agarose composite...

Embodiment 2

[0042] Example 2 Preparation of a new type of environmentally friendly water-retaining and anti-evaporation composite material with water-retaining and water-repelling functions

[0043] Proceed as follows:

[0044] (1) Organic modification of montmorillonite: mix 100 grams of sodium montmorillonite with 200 ml of deionized water, stir at high speed for 1.5 hours to disperse montmorillonite evenly in water, obtain a dispersion, adjust the pH of the dispersion To 5, add 5 grams of dimethylaminoethyl methacrylate and 5 grams of dodecane bromide, heat in a water bath to control the temperature at 70 ° C, and react for 1 hour; after the reaction, the reaction solution is cooled to room temperature, and the solid is obtained by suction filtration under reduced pressure , dried, and ground to obtain modified montmorillonite, which is a white powder;

[0045] (2) Intercalate agarose and modified montmorillonite to form a montmorillonite / agarose composite material: dissolve 1200 gram...

Embodiment 3

[0048] Example 3 Preparation of a new type of environmentally friendly water-retaining and anti-evaporation composite material with water-retaining and water-repelling functions

[0049] Proceed as follows:

[0050] (1) Organic modification of montmorillonite: mix 200 grams of Na-based montmorillonite with 400 ml of deionized water, stir at high speed for 1.5 hours to disperse the montmorillonite evenly in water, obtain a dispersion, adjust the pH of the dispersion To 5, add 10 grams of dimethylaminoethyl methacrylate and 8 grams of dodecane bromide, heat in a water bath to control the temperature at 70 ° C, and react for 1 hour; after the reaction, the reaction solution is cooled to room temperature, and the solid is obtained by suction filtration under reduced pressure , dried, and ground to obtain modified montmorillonite, which is a white powder;

[0051] (2) Agarose and modified montmorillonite are intercalated to form a montmorillonite / agarose composite material: 2400 g...

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Abstract

The invention discloses a novel environment-friendly water-retention anti-evaporation composite material. The novel environment-friendly water-retention anti-evaporation composite material comprises the following raw materials in parts by weight: 20-40 parts of a montmorillonite / agarose composite material, 10-30 parts of modified activated carbon and 40-60 parts of humic acid. The environment-friendly water-retention anti-evaporation composite material is prepared by the method comprising the following steps: (1) carrying out organic modification treatment on montmorillonite; (2) carrying out intercalation compounding on agarose and modified montmorillonite to form a montmorillonite / agarose composite material; (3) modifying activated carbon; and (4) uniformly mixing the prepared montmorillonite / agarose composite material, modified activated carbon and humic acid to obtain the environment-friendly water-retention anti-evaporation composite material. After the composite material is in contact with water, a water-retention film is formed, the water-retention film has the effects of blocking moisture in soil from permeating and enabling roots of plants to pass through the film, has good water-retention and water-blocking effects and can be used as a water-retention and waterproof agent and the water-retention and water-blocking time of the water-retention film is not less than 280 days.

Description

technical field [0001] The invention relates to a novel environmentally friendly water-retaining and anti-evaporation composite material with water-retaining and water-repelling functions, a preparation method thereof, and an application as a water-retaining and water-repelling agent in desertification control. Background technique [0002] The world's land area is 162 million square kilometers, of which the desert area accounts for 20% of the total land area, and 43% of the land is facing the threat of desertification. In my country, the desertification area accounts for 17% of the total land area of ​​the country. Desertification seriously destroys land resources, reduces the land area available for farming and animal husbandry, degrades the land's reproductive capacity, reduces the number of plants, reduces the livestock capacity of the land, and reduces the yield per unit area of ​​crops. Desertification has caused serious losses to agriculture, animal husbandry and peo...

Claims

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Application Information

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IPC IPC(8): C09K17/40C08L99/00C08L5/12C08K9/00C08K9/04C08K3/34C08K3/04C05G3/04C09C1/42C09C3/08C09K105/00C05G3/80
Inventor 马新亮马万龙李传波
Owner 马新亮
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