A kind of strong and anti-gray diatom mud wall material and its preparation method

A grey diatom mud and anti-dropping technology is applied in the field of strong anti-ash-dropping diatom mud wall material and its preparation field, which can solve the problems of low strength, easy powder dropping and cracking of diatom mud coating, etc. The effect of strength, strong wall adhesion, good humidity control and adsorption

Inactive Publication Date: 2018-02-23
广东华矿新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the present invention, diatomite is used as the main raw material, and the surface of diatomite is coated with a water-soluble coating agent, so that a water-based protective layer with a network structure is formed on the surface of diatomite to prevent other additives and binders from affecting silicon. The pores of the diatom mud are blocked, and a small amount of calcium hydroxide, plaster of paris and carbon fiber are added to improve the flexibility and strength of the diatom mud, which prevents the diatom mud from cracking and falling off during use, and solves the problem that the diatom mud coating is easy to fall off. , easy cracking, and low strength technical problems, improve the comprehensive performance of diatom mud wall materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Grind 40 parts by weight of first-grade diatomite through a 100-200 mesh sieve, dry to control the moisture content to ≤8%, put it into the powder surface modification machine through the feeding device, and add 10 parts by weight through the drug delivery device One part of water-soluble coating agent, heated at 80°C to dry the diatomite material, and at the same time, the water-soluble coating agent was heated and melted, and then mixed and stirred in the modified host, stirred at a high speed of 5000rpm for 10min, so that the surface of the diatomite was coated A layer of water-soluble wrapping agent obtains surface-modified diatomite; wherein said water-soluble wrapping agent is composed of polyacrylic acid, water-soluble starch, and 100 purpose olivine in a mass ratio of 3:1:1;

[0036] (2) Add 10 parts by weight of carbon fiber and 2 parts by weight of gluten into a high-speed mixer, mix at a stirring speed of 1500rpm for 20 minutes to form a porous mixture, ad...

Embodiment 2

[0039] (1) Grind 50 parts by weight of first-grade diatomite through a 100-200 mesh sieve, dry to control the moisture content to ≤8%, put it into the powder surface modification machine through the feeding device, and add 15 parts by weight through the drug delivery device One part of water-soluble coating agent, heated at 100°C to dry the diatomite material, and at the same time, the water-soluble coating agent was heated and melted, and then mixed and stirred in the modified host, stirred at a high speed of 3000rpm for 20min, so that the surface of the diatomite was coated A layer of water-soluble wrapping agent obtains surface-modified diatomite; wherein said water-soluble wrapping agent is composed of polyacrylate, sodium alginate, and 300 mesh amphibole in a mass ratio of 3:1:2;

[0040] (2) Add 8 parts by weight of carbon fiber and 5 parts by weight of gluten powder into a high-speed mixer, mix at a stirring speed of 1000rpm for 30 minutes to form a porous mixture, add 2...

Embodiment 3

[0043] (1) Grind 60 parts by weight of first-grade diatomite through a 100-200 mesh sieve, dry to control the moisture content to ≤8%, put it into the powder surface modification machine through the feeding device, and add 20 parts by weight through the drug delivery device part of water-soluble wrapping agent, heated at 120°C to dry the diatomite material, and at the same time, the water-soluble wrapping agent was heated and melted, and then mixed and stirred in the modified host, and stirred at a high speed of 2000rpm for 25min to coat the surface of the diatomite One deck of water-soluble wrapping agent obtains surface-modified diatomite; Wherein said water-soluble wrapping agent is composed of styrene-acrylic emulsion, chitosan, 500 mesh feldspars by mass ratio 3:1:3;

[0044] (2) Add 6 parts by weight of carbon fiber and 10 parts by weight of gluten into a high-speed mixer, mix at a stirring speed of 800rpm for 40 minutes to form a porous mixture, add 3 parts by weight of ...

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Abstract

The invention belongs to the field of indoor decoration coatings, and particularly relates to a strengthening and dust falling preventing diatom ooze wall material and a preparation method thereof. The diatom ooze wall material is prepared from diatomite, a water-soluble wrapping agent, calcium hydroxide, calcined gypsum, vital gluten, carbon fibers, silica sol and inorganic pigments. The kieselguhr is adopted as a main raw material, the surface of the kieselguhr is wrapped by the water-soluble wrapping agent, a water-soluble protection layer of a network structure is formed on the surface of the kieselguhr, and holes of the kieselguhr are prevented from being blocked by other additives and adhesives; a small quantity of calcium hydroxide, calcined gypsum and carbon fibers is added, the flexibility and strength of the kieselguhr are improved, the kieselguhr is prevented from cracking or falling in the use process, and the technological problems that a diatom ooze coating is prone to dust falling and cracking and low in strength are solved. The diatom ooze coating has the advantages of being high in strength, not prone to dust falling and free of fading, cracking and falling, the preparation process is simple, the price is low, and popularization is easy.

Description

technical field [0001] The invention belongs to the field of interior decoration coatings, in particular to a strong and anti-gray diatom mud wall material and a preparation method thereof. Background technique [0002] In recent years, more and more attention has been paid to the impact of interior decoration materials on air quality. At present, various decoration materials, such as paints and paints, contain a large amount of harmful substances (formaldehyde, benzene, ammonia, volatile organic compounds, etc.) that will cause indoor air pollution. air pollution. At present, a new type of wall material that is well reflected in the market is diatom mud with diatomite as the main raw material. Diatom mud wall material is a kind of natural and environmentally friendly wall decoration paint, which is easy to construct and is suitable for wall and roof decoration. It is in powder form and can be used for painting after adding a certain proportion of water. Benzene, ammonia, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C04B20/10C04B14/08
CPCC04B20/1074C04B28/26C04B22/143C04B22/064C04B14/386C04B24/14C04B2103/54C04B14/08C04B20/1033C04B20/1048
Inventor 刘丰高
Owner 广东华矿新材料有限公司
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