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All-in-one water-borne inorganic-organic hybrid architectural coating and preparation method thereof

A technology of organic hybridization and architectural coatings, applied in the direction of coatings, latex paints, etc., can solve the problems of poor storage stability, easy cracking of coating films, poor decoration, etc., achieve improved mechanical properties, low cost, and prolong effective storage the effect of time

Active Publication Date: 2012-04-11
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to overcome the above-mentioned deficiencies existing in the prior art, to provide a kind of all-in-one water-based inorganic-organic hybrid architectural coating and its preparation method, the coating has environmental protection, non-toxic, thermal insulation, super scrub resistance, Wear-resistant, anti-yellowing, anti-aging, lotus leaf anti-fouling, air permeability and sound insulation and other functions, while overcoming the shortcomings of traditional inorganic coatings such as poor storage stability, easy cracking of the coating film, poor decoration or two-component packaging

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (A) Preparation method of inorganic-organic hybrid architectural coatings

[0030] 1) In parts by weight, add 21.5 parts of water, 0.1 parts of wetting agent, 0.25 parts of dispersant, 0.1 part of pH regulator, 0.3 part of defoamer, 0.5 part of antifreeze, 0.2 part of Thickener, 21 parts of silica sol, 0.3 parts of silicone, keep stirring at a low speed of 300-500 rpm and continue to disperse for 15 minutes.

[0031] 2) Add 7 parts of titanium dioxide, 14 parts of heavy calcium carbonate, 10 parts of kaolin, 5 parts of glass beads, and 1 part of infrared ceramic powder in sequence, and keep stirring at 1000 rpm for 30 minutes to disperse.

[0032] 3) Add 3.5 parts of water, 0.4 parts of anti-mold and fungicide, 14 parts of organic emulsion, 0.75 parts of thickener, and 0.1 part of defoamer in sequence, and keep stirring at a low speed of 300 rpm for 10 minutes.

[0033] (B) Composition of inorganic-organic hybrid architectural coatings (see Table 1)

[0034] Table...

Embodiment 2

[0041] (A) Preparation method of inorganic-organic hybrid architectural coatings

[0042] 1) In parts by weight, add 24.8 parts of water, 0.1 parts of wetting agent, 0.25 parts of dispersant, 0.3 parts of PH regulator, 0.3 parts of defoamer, 0.5 parts of antifreeze, 0.2 parts of Thickener, 14 parts of silica sol, 0.3 parts of silicone, keep stirring at a low speed at 300-500 rpm and continue to disperse for 15 minutes.

[0043] 2) Add 3.7 parts of titanium dioxide, 14 parts of heavy calcium carbonate, 10 parts of kaolin, 5 parts of glass beads, and 1 part of infrared ceramic powder in sequence, and keep stirring at 1000 rpm for 30 minutes.

[0044] 3) Add 3.5 parts of water, 0.4 parts of anti-mold and fungicide, 20.45 parts of organic emulsion, 1.1 parts of thickener, and 0.1 part of defoamer in sequence, and keep stirring at a low speed of 300 rpm for 10 minutes.

[0045] (B) Composition of inorganic-organic hybrid architectural coatings (see Table 3)

[0046] table 3 ...

Embodiment 3

[0053] (A) Preparation method of inorganic-organic hybrid architectural coatings

[0054] 1) In parts by weight, add 21 parts of water, 0.1 parts of wetting agent, 0.3 parts of defoamer, 0.5 parts of antifreeze, 0.3 parts of thickener, 21 parts of silica sol, 3.5 parts of Potassium silicate, 3.5 parts of lithium silicate, 0.45 parts of stabilizer, 0.3 parts of silicone, keep stirring at a low speed at 300-500 rpm and continue to disperse for 15 minutes.

[0055] 2) Add 7 parts of titanium dioxide, 15 parts of heavy calcium carbonate, 10 parts of kaolin, and 5 parts of talc in sequence, and keep stirring at 1500 rpm for 25 minutes.

[0056] 3) Add 4 parts of water, 0.2 parts of anti-mold and fungicide, 7 parts of organic emulsion, 0.75 parts of thickener, and 0.1 part of defoamer in sequence, and keep stirring at a low speed of 300 rpm for 10 minutes.

[0057] (B) Composition of inorganic-organic hybrid architectural coatings (Table 5)

[0058] table 5

[0059] ...

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Abstract

The invention relates to an all-in-one water-borne inorganic-organic hybrid architectural coating and a preparation method thereof, wherein the all-in-one water-borne inorganic-organic hybrid architectural coating is prepared by taking a compounded product of a water-borne inorganic film-forming matter and an organic polymer emulsion as a base material through the steps of adding various pigments / fillers and auxiliaries into the base material, then carrying out beating, grinding and paint mixing on the obtained mixture. In the invention, through a Si-O-Si polymer net structure which can be formed by compounding alkali metal silicates and small-particle-size silica sols in the process of film forming, the early water resistance of a paint film is greatly increased, and the eventual hardness, scraping resistance and stain resistance of the paint film are greatly increased; and through adding the organic polymer emulsion, the film-forming performance of the coating can be improved, and the defects that the traditional two-component inorganic coating is easy to crack, bad in decorative properties, poor in storage stability, and the like are overcome. The coating prepared by using the method disclosed by the invention has various functions of environmental friendliness, non-toxicity, thermal insulation, ultra scrubbing resistance, abrasion resistance, yellowing resistance, ageing resistance, fouling resistance, good air permeability, sound insulation, and the like.

Description

technical field [0001] The invention relates to the field of latex paints for interior and exterior walls, in particular to inorganic high molecular polymers, and in particular to inorganic-organic hybrid paints. Background technique [0002] Water-based inorganic coatings have attracted widespread attention due to their high hardness, excellent weather resistance, stain resistance, good air permeability, long-term heat resistance and environmental friendliness. Nowadays, "four E" (Ecomomy, Efficiency, Energy, Ecology, that is, economy, high efficiency, energy saving, and ecology) has become the basic principle followed by human development, and the raw materials used in inorganic coatings come directly from nature, with abundant sources and low prices. Therefore, inorganic coatings have broad market prospects. [0003] According to the types of film-forming substances, water-based inorganic coatings can be divided into three categories: alkali metal silicate coatings, sili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/24C09D201/00C09D7/12C09D5/02
CPCC09D7/1266C09D201/00C09D5/028C09D7/12C09D5/02C09D7/67
Inventor 瞿金清彭刚阳
Owner SOUTH CHINA UNIV OF TECH
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