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Kieselguhr veneer coating

A technology of diatomite and veneer, which is applied in the field of building materials, can solve the problems of high indoor humidity, short service life, and harm to human health, and achieve the effect of small thermal conductivity

Inactive Publication Date: 2014-12-03
TONGXIANG HETAI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, latex paint, wallpaper, and wall covering are mainly used for interior decoration in our country. The disadvantages of these materials are: the surface of latex paint is smooth and dense, the echo is large, and the water absorption is poor, resulting in high indoor humidity; Formaldehyde and other gases are produced, which is harmful to human health and has a short service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Components according to the following mass percentages: 25 kg of model 32.5 white cement, heavy calcium powder: 40; silicon bath mud: 28 kg; ethyl cellulose ether: 0.2 kg; starch ether: 0.1 kg; defoamer: 0.01 kg , the production process is as follows: mix white cement, heavy calcium powder, diatomaceous earth, ethyl cellulose ether, starch ether, and defoamer according to the above-mentioned specific gravity, stir them evenly with a machine, pack them in paper bags or in bulk, and then get this product Examples of diatomaceous earth interior coating materials.

[0019] Soak the above-mentioned diatomite indoor coating material in 100 kg of mortar and 30 kg of water for 5 minutes, stir for 5 minutes, then smear or spray, and then dry for 30 minutes, then apply or spray twice, twice The thickness of the applied coating is 2mm.

[0020] The performance test results are as follows: dry surface density: 710㎏ / (kg / m3), thermal conductivity: 0.11(W / (m·K), 28d bonding strength:...

Embodiment 2

[0023] Components according to the following mass percentages: 26 kg of model 32.5 white cement, heavy calcium powder: 43; silicon bath mud: 29 kg; ethyl cellulose ether: 0.3 kg; starch ether: 0.1 kg; defoamer: 0.05 kg , the production process is as follows: mix white cement, heavy calcium powder, diatomaceous earth, ethyl cellulose ether, starch ether, and defoamer according to the above-mentioned specific gravity, stir them evenly with a machine, pack them in paper bags or in bulk, and then get this product Examples of diatomaceous earth interior coating materials.

[0024] Soak the above-mentioned diatomite indoor coating material in 100 kg of mortar and 35 kg of water for 10 minutes, stir for 5 minutes, then smear or spray, and then dry for 50 minutes, then apply or spray twice. The thickness of the applied coating is 2mm.

[0025] The performance test results are as follows: dry surface density: 690㎏ / (kg / m3), thermal conductivity: 0.11(W / (m·K), 28d bonding strength: 0.52...

Embodiment 3

[0028] Components according to the following mass percentages: 28 kg of model 32.5 white cement, heavy calcium powder: 45 kg; silicon bath mud: 30 kg; ethyl cellulose ether: 0.4 kg; starch ether: 0.3 kg; defoamer: 0.05 kg , the production process is as follows: mix white cement, heavy calcium powder, diatomaceous earth, ethyl cellulose ether, starch ether, and defoamer according to the above specific gravity, stir evenly with a machine, pack it in paper bags or in bulk, and then get this product Examples of diatomaceous earth interior coating materials.

[0029] Soak the diatomite indoor coating material obtained above in 100 kg of mortar and 35 kg of water for 15 minutes, stir for 5 minutes, then smear or spray, and then dry for 60 minutes, then apply or spray twice. The thickness of the applied coating is 3mm.

[0030] The performance test results are as follows: dry surface density: 680㎏ / (kg / m3), thermal conductivity: 0.10(W / (m K), 28d bond strength: 0.43MPa, where the tes...

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Abstract

The invention provides a kieselguhr veneer coating which comprises the following components in percentage by mass: 25-28% of white cement, 40-45% of heavy calcium carbonate powder, 28-30% of kieselguhr, 0.2-0.4% of ethyl cellulose ether, 0.1-0.5% of starch ether and 0.01-1.1% of defoaming agent. The invention also provides a construction method of the kieselguhr veneer coating, which is characterized by comprising the following steps: adding water accounting for 30-35 wt% of the kieselguhr indoor coating, immersing for 5-15 minutes, stirring for 5 minutes, and painting or spraying; and after 30-60 minutes of surface drying, carrying out secondary painting or spraying, wherein the coating thickness of the two construction processes is 2-3mm. The kieselguhr veneer coating is prepared from the kieselguhr used as the functional material, white cement used as the cementing material, heavy calcium carbonate powder used as the filler, ethyl cellulose ether and starch ether used as water retention agents and a right amount of defoaming agent; the kieselguhr veneer coating does not release harmful gas, and regulates the indoor humidity by utilizing the porous ventilation characteristic of the natural kieselguhr; and by using the kieselguhr with small heat conductivity coefficient, the kieselguhr veneer coating has the comprehensive effects of thermal insulation, fire resistance, energy saving and environmental protection.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a diatomite finish coating. Background technique [0002] At present, latex paint, wallpaper, and wall covering are mainly used for interior decoration in our country. The disadvantages of these materials are: the surface of latex paint is smooth and dense, the echo is large, and the water absorption is poor, resulting in high indoor humidity; Formaldehyde and other gases are produced, which is harmful to human health and has a short service life. Contents of the invention [0003] The purpose of the present invention is to provide a silica bath clay finish coating in order to solve the deficiencies of the above-mentioned technologies, with natural silica bath mud as the functional material, white Portland cement as the gelling material, heavy calcium powder as the filler, ethyl Cellulose ether and starch ether are water-retaining agents and an appropriate amount of...

Claims

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Application Information

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IPC IPC(8): C04B28/04
Inventor 沈池清
Owner TONGXIANG HETAI NEW MATERIALS