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Environmental-friendly inorganic coating and preparation method thereof

An inorganic coating, environmental protection technology, applied in fireproof coatings, antifouling/underwater coatings, alkali metal silicate coatings, etc., can solve the problems of poor acid and alkali water resistance, poor adhesion, environmental pollution, etc., to increase adsorption The ability of formaldehyde, excellent high temperature resistance, the effect of increasing the degradation effect

Inactive Publication Date: 2019-01-18
珠海陶氏无机涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous development of the paint industry, there are more and more low-pollution and environmentally friendly paint products, which can be divided into two categories: organic paints and inorganic paints. However, most of the existing organic paints contain polymers such as acrylate or PVC. Slightly corrosive and poor in dust absorption and weather resistance, it will still cause certain environmental pollution; although the existing inorganic coatings are environmentally friendly, they still have defects: poor adhesion, cracks are prone to appear in the process of coating and film formation, and the durability Poor acid-base water, poor flame retardant effect, most inorganic coatings have no degradation effect on formaldehyde

Method used

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  • Environmental-friendly inorganic coating and preparation method thereof
  • Environmental-friendly inorganic coating and preparation method thereof
  • Environmental-friendly inorganic coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A kind of environment-friendly inorganic paint provided by the present embodiment comprises the following steps:

[0025] (1) Get the following raw materials in parts by weight: 45 parts of potassium silicate, 10 parts of kaolin, 10 parts of talcum powder, 5 parts of sericite, 1.3 parts of silicon dioxide (average particle size is 120nm), modified shell 7.8 parts of powder, 0.14 parts of cellulose, 0.15 parts of polysiloxane solution, 0.4 parts of low molecular weight unsaturated polycarboxylic acid polymer solution, 7 parts of pigment, 5 parts of pure acrylic emulsion, 14 parts of deionized water;

[0026] (2) According to the formulation amount of step (1), add water, cellulose, dispersant, and 50% defoamer in the dispersion tank successively in the formulation amount, and stir under the condition of 1200r / min at a rotating speed The mixed solution was obtained in 20 minutes, and silicon dioxide, modified shell powder, pigments and fillers were added to the resulting ...

Embodiment 2

[0028] The difference from Example 1 is that "45 parts of potassium silicate" in step (1) of Example 1 is replaced with "30 parts of potassium silicate", "40 parts of potassium silicate", "50 parts of potassium silicate ", "60 parts of potassium silicate", prepared inorganic coating 2, inorganic coating 3, inorganic coating 4, inorganic coating 5.

Embodiment 3

[0030] The difference with Example 1 is: "10 parts of kaolin, 10 parts of talcum powder, 5 parts of sericite," in the step (1) of embodiment 1 are replaced with "30 parts of kaolin", "30 parts of talcum powder", "30 parts of sericite", prepared inorganic coating 6, inorganic coating 7, inorganic coating 8, and inorganic coating 9.

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Abstract

The invention discloses an environmental-friendly inorganic coating and a preparation method thereof. The environmental-friendly inorganic coating comprises the following raw materials in parts by weight: 40-50 parts of potassium silicate, 30-40 parts of packing, 0.5-5 parts of silicon dioxide, 5-10 parts of modified shell powder, 0.1-0.2 part of cellulose, 0.1-0.2 part of a defoaming agent, 0.1-0.3 part of a dispersant, 5-10 parts of a pigment, 1-5 parts of a pure acrylic emulsion and 20-30 parts of water. The inorganic coating disclosed by the invention has a formaldehyde degradation function which lasts for 8 months or longer, the purification performance and the effect lasting of the inorganic coating disclosed by the invention upon formaldehyde meet technical requirements of JC1074-2008 Purificatory Performance of Coatings with Air Purification type I, the inorganic coating disclosed by the invention can both meet national standards, and maintains characteristics of energy conservation, economy, environment protection, low carbon, flame retardancy, quick dry, good adhesion, water resistance, acid resistance, alkali resistance, and the like.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an environment-friendly inorganic coating and a preparation method thereof. Background technique [0002] With the development of society, environmental pollution is becoming more and more serious. After the promulgation of the International Environmental Protection Law, the coating industry, which is the main source of pollution, is developing in the direction of low pollution and environmental protection. Countries all over the world have set regulations on the content of volatile organic compounds (VOC) in coatings. out of limit. With the continuous development of the paint industry, there are more and more low-pollution and environmentally friendly paint products, which can be divided into two categories: organic paints and inorganic paints. However, most of the existing organic paints contain polymers such as acrylate or PVC. Slightly corrosive and poor in dust absorption ...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D5/14C09D5/18C09D7/61C09D7/62
CPCC09D1/04C09D5/14C09D5/18C09D7/61C09D7/62
Inventor 陶方超
Owner 珠海陶氏无机涂料有限公司
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