High-performance waterborne inorganic paint and preparation method thereof

A water-based inorganic coating, high-performance technology, applied in the field of chemical engineering, can solve the problems of poor comprehensive properties such as plasticity, and achieve the effect of strong adhesion, significant adhesion, and low cost

Active Publication Date: 2014-01-01
SHANGHAI XINANNA ELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the rigidity of the Si-O bond is strong, and the film-forming and cross-linking is a shrinking process, and the comprehensive properties such as plasticity are poor. Molecular film formers are modified to fill the gaps of the -Si-O-Si-network structure with organic resins, shield the remaining hydroxyl groups, reduce the sensitivity of the coating film to water, and improve its comprehensive performance

Method used

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  • High-performance waterborne inorganic paint and preparation method thereof
  • High-performance waterborne inorganic paint and preparation method thereof
  • High-performance waterborne inorganic paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Coating formula

[0041]

[0042] (2) Preparation steps

[0043] 1) At room temperature, add water and defoamer to the paint mixing tank, start stirring, then add pigments and fillers, stir at a speed of 500r / min for about 30min, and filter to obtain a uniform solution A;

[0044] 2) Add the silica sol and polymer solution described in the formula into the mixing tank, and stir at a speed of 300r / min for about 30min to obtain a uniform solution B;

[0045] 3) Add film-forming aids and thickeners to the homogeneous solution B obtained in step 2) while stirring, continue to stir at 300r / min for about 30min, and filter to obtain a homogeneous solution C;

[0046] 4) Add the homogeneous solution C obtained in step 3) dropwise into the paint mixing tank under stirring, the dropwise addition time is 1 hour, and stir at a rate of 1000r / min for about 2 hours, then filter, and the high-performance water-based Inorganic coatings.

Embodiment 2

[0048] (1) Coating formula

[0049]

[0050] (2) Preparation steps

[0051] 1) At room temperature, add water and defoamer to the paint mixing tank, start stirring, then add pigments and fillers, stir at a speed of 500r / min for about 30min, and filter to obtain a uniform solution A;

[0052]2) Add the silica sol and polymer solution described in the formula into the mixing tank, and stir at a speed of 300r / min for about 30min to obtain a uniform solution B;

[0053] 3) Add film-forming aids and thickeners to the homogeneous solution B obtained in step 2) while stirring, continue to stir at 300r / min for about 30min, and filter to obtain a homogeneous solution C;

[0054] 4) Add the homogeneous solution C obtained in step 3) dropwise into the paint mixing tank under stirring, the dropwise addition time is 1 hour, and stir at a rate of 1000r / min for about 2 hours, then filter, and the high-performance water-based Inorganic coatings.

Embodiment 3

[0056] (1) Coating formula

[0057]

[0058]

[0059] (2) Preparation steps

[0060] 1) At room temperature, add water and defoamer to the paint mixing tank, start stirring, then add pigments and fillers, stir at a speed of 500r / min for about 30min, and filter to obtain a uniform solution A;

[0061] 2) Add the silica sol and polymer solution described in the formula into the mixing tank, and stir at a speed of 300r / min for about 30min to obtain a uniform solution B;

[0062] 3) Add film-forming aids and thickeners to the homogeneous solution B obtained in step 2) while stirring, continue to stir at 300r / min for about 30min, and filter to obtain a homogeneous solution C;

[0063] 4) Add the homogeneous solution C obtained in step 3) dropwise into the paint mixing tank under stirring, the dropwise addition time is 1 hour, and stir at a rate of 1000r / min for about 2 hours, then filter, and the high-performance water-based Inorganic coatings.

[0064] The performance ind...

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Abstract

The invention relates to the field of chemical engineering, in particular to a high-performance waterborne inorganic paint and a preparation method thereof. The high-performance waterborne inorganic paint, provided by the invention, comprises the following ingredients in parts by weight: 20-35 parts of silica sol, 5-15 parts of a polymer solution, 5-15 parts of a pigment, 15-30 parts of a filling agent, 0.5-1.5 parts of a foam breaking agent, 1-2 parts of a coalescing agent, 0.05-0.5 part of a thickening agent, and 20-35 parts of water. The waterborne inorganic paint introduces an organic macro molecule solution, so as to optimize the ratio of pigment, the filling material, the foam breaking agent and the coalescing agent, and obtain the high-performance waterborne inorganic paint which is environment-friendly and has remarkably strong adhesion, good leveling property and glossiness property, as well as other characteristics; the preparation method is simple and reliable, and is low in manufacturing cost, thereby being suitable for industrial manufacture and application.

Description

technical field [0001] The invention relates to the field of chemical engineering, in particular to a high-performance water-based inorganic coating and a preparation method thereof. Background technique [0002] In order to improve the corrosion resistance, weather resistance and chemical resistance of building walls and other objects, it is necessary to coat the surface with paint, and the current paint film-forming materials are mainly organic emulsions, but due to their volatile components High content of organic compounds and a large amount of organic residues have certain damage to the environment. Therefore, low-pollution or environment-friendly coatings have received great attention in the market, and water-based inorganic coatings have emerged as energy-saving and environmentally friendly green coatings, and higher performance requirements have gradually been put forward. [0003] Inorganic coatings mainly refer to coatings prepared by using silicate and phosphate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 古双娜王良咏施鹰刘卫丽宋志棠
Owner SHANGHAI XINANNA ELECTRONICS TECH
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