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Preparation method of environment-friendly healthy coating

A technology of health and paint, applied in the field of paint

Inactive Publication Date: 2021-08-17
MANZHU TIANSHI AGRI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the prior art, the coating provided by the present invention not only solves the problem of environmental protection of the coating itself, but also brings healthy and fresh air indoors

Method used

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  • Preparation method of environment-friendly healthy coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method for an environmentally friendly and healthy paint, comprising the following steps:

[0025] (1) Add lithium salt with a molar mass of 1 times the cation exchange capacity of bentonite and water with a mass of 40 times that of bentonite to bentonite, mix well, stir at 40°C for 4 hours to carry out cation exchange reaction, and then filter with suction to filter the residue Then add the same amount of lithium salt and water, repeat the exchange process twice, then filter with suction, wash with distilled water, and dry at 50°C to obtain lithium-based bentonite; organic cations and water with a mass 50 times that of bentonite, mixed evenly, stirred at 40°C for 5 hours to carry out organic cation exchange reaction, then suction filtered, washed with distilled water and dried at 50°C, pulverized to obtain preliminary treated organobentonite; The preliminarily treated organobentonite is heated at 150°C for 10 hours to allow lithium ions to enter the lamel...

Embodiment 2

[0035] A preparation method for an environmentally friendly and healthy paint, comprising the following steps:

[0036] (1) Add lithium salt with a molar mass 3 times the cation exchange capacity of bentonite and water with a mass 60 times that of bentonite to bentonite, mix well, stir at 60°C for 6 hours to carry out cation exchange reaction, and then filter with suction to filter the residue Then add the same amount of lithium salt and water, repeat the exchange process 4 times, then filter with suction, wash with distilled water, dry at 80°C to obtain lithium-based bentonite; organic cations and water with a mass of 100 times that of bentonite, mixed evenly, stirred at 80°C for 7 hours to carry out organic cation exchange reaction, then suction filtered, washed with distilled water and dried at 80°C, pulverized to obtain preliminarily treated organobentonite; The preliminarily treated organobentonite is heated at 180°C for 20 hours to allow lithium ions to enter the lamella...

Embodiment 3

[0046] A preparation method for an environmentally friendly and healthy paint, comprising the following steps:

[0047] (1) Add lithium salt with a molar mass twice the cation exchange capacity of bentonite and water with a mass 50 times that of bentonite to bentonite, mix well, stir at 40°C for 5 hours to carry out cation exchange reaction, and then filter with suction to filter the residue Then add the same amount of lithium salt and water, repeat the exchange process 3 times, then filter with suction, wash with distilled water, and dry at 60°C to obtain lithium-based bentonite; add the molar amount of lithium-based bentonite to 20% of the cation exchange capacity of bentonite organic cations and water with a mass of 80 times that of bentonite, mixed evenly, stirred at 40°C for 5 hours to carry out organic cation exchange reaction, then suction filtered, washed with distilled water and dried at 50°C, pulverized to obtain preliminary treated organobentonite; The preliminarily...

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Abstract

The invention discloses a preparation method of an environment-friendly healthy coating. The environment-friendly healthy coating is prepared from the following components in parts by weight: 13 to 20 parts of finely-processed organic bentonite, 15 to 28 parts of finely-processed vermiculite powder, 15 to 25 parts of finely-processed sepiolite powder, 15 to 28 parts of diatomite, 10 to 20 parts of white mica, 2 to 5 parts of nano silicon dioxide, 0.1 to 0.3 part of nano silver powder and 0.3 to 0.4 part of hydroxyethyl cellulose. The fineness of the components is as follows: finely-processed organic bentonite of 3000 meshes, finely-processed vermiculite powder of 1000 meshes, finely-processed sepiolite powder of 1000 meshes, diatomite of 1500 meshes, white mica of 1200 meshes, nano silicon dioxide of 8-30 nanometers, nano silver powder of 5-20 nanometers and hydroxyethyl cellulose of 2000 meshes. The materials used in the invention are all pure natural materials, no chemical additive is used, decoration pollution cannot be brought to the decoration environment, negative oxygen ions beneficial to the body can be generated, the indoor pollutants such as formaldehyde, TVOC and benzene can be decomposed while the health is benefited, and meanwhile, the nano silver powder enables the indoor wall to achieve lasting antibacterial and antiviral effects.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a preparation method of an environmentally friendly and healthy coating. Background technique [0002] Coatings are widely used in construction projects and are closely related to people's lives. Coatings need strong adhesion to be painted on walls. Adhesives contain a large amount of formaldehyde and benzene, which are released slowly and cannot be completely decomposed for more than ten years, seriously endangering health . Although diatom mud paint absorbs formaldehyde, benzene and tvoc, its adsorption is limited. When the formaldehyde is fully adsorbed, it will also be released slowly, which is a temporary solution, not a permanent cure. With the advancement of science and technology, water-based coatings have emerged as the times require. They do not contain formaldehyde, but they have poor adhesion, low coefficient of friction resistance, and short service life. Developi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/14C09D7/61C09D7/65
CPCC09D1/00C09D5/14C09D7/61C09D7/65
Inventor 张志彦
Owner MANZHU TIANSHI AGRI TECH CO LTD
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