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Water-based porcelain film coating and preparation method thereof

A technology of water-based porcelain film coating and formulation, applied in the direction of coating, etc., can solve the problems of inorganic coatings such as lack of waterproof and anti-adhesive properties, lack of decoration, etc., and achieve good outdoor durability and anti-pollution, good anti-sticking, good The effect of adhesion

Active Publication Date: 2014-04-16
广东四方威凯新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are two main disadvantages in the currently used inorganic coatings: 1. The current inorganic coatings are generally matte and semi-matte, and generally lack decorative properties; 2. The current inorganic coatings lack similar water resistance and long-lasting anti-sticking properties

Method used

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  • Water-based porcelain film coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This example is a preparation example of water-based inorganic porcelain film coating, which is prepared as follows:

[0034] 1) Weigh each component according to the following formula:

[0035] 30g large particle size silica sol with a particle size distribution of 40-50nm, 20g small particle size silica sol with a particle size distribution of 10-15nm, 24g methyltrimethoxysilane, 13g methyltriethoxysilane, 6.5g iron Manganese black, 3.2g of nano-alumina with a particle size of 500nm, 0.6g of polyether modified organosilane, 1.1g of polydimethyl hydroxy-containing silicone oil; 1g of a mixture of formic acid and acetic acid at a mass ratio of 1:1;

[0036] The large particle size silica sol and the small particle size silica sol used in this example can be specifically GRACE PM50 and GRACE AM, and the iron manganese black used can be specifically BLACK430;

[0037] 2) Mix the large particle size silica sol with the small particle size silica sol, and disperse for 3-5 min at 30...

Embodiment 2

[0039] This example is a preparation example of water-based inorganic porcelain film coating, which is prepared as follows:

[0040] 1) Weigh each component according to the following formula:

[0041] 35g large particle size silica sol with a particle size distribution of 40-50nm, 16g small particle size silica sol with a particle size distribution of 10-15nm, 22g methyltrimethoxysilane, 20g methyltriethoxysilane, 7.5g iron Manganese black, 2.5g nano-alumina with a particle size of 800nm, 0.8g polyether modified organosilane, 1.3g polydimethyl hydroxy-containing silicone oil; 1.5g of a mixture of formic acid and acetic acid in a 2:1 mass ratio;

[0042] The large particle size silica sol and the small particle size silica sol used in this example can be GRACE PM50 and GRACE AM respectively, and the iron manganese black can be BLACK430;

[0043] 2) Mix the large particle size silica sol with the small particle size silica sol, and disperse for 3-5 min at 300-500RPM; add iron manganese...

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Abstract

The invention provides a water-based porcelain film coating. The formula of the water-based porcelain film coating comprises the following components in parts by weight: 45% to 55% of colloidal silica dispersion liquid, 30% to 45% of a silane coupling agent, 5% to 15% of an inorganic pigment, 2% to 5% of alumina packing, 0.5% to 1% of a flatting agent, 1% to 2% of hydroxy silicone oil with low molecular weight and 1% to 1.5% of an organic acid catalyst, wherein the colloidal silica dispersion liquid is prepared by mixing colloidal silica with big and small particle diameters according to the mass ratio of (1-3):1, wherein the particle diameters of the colloidal silica with the small particle diameters are distributed within 10nm to 15nm while the particle diameters of the colloidal silica with the big particle diameters are distributed within 40nm to 50nm; the silane coupling agent is prepared by mixing methyl trimethoxysilane and methyl triethoxysilane according to the mass ratio of (1-2):1; the organic acid catalyst can be a formic acid or an acetic acid or can be a mixture of the formic acid and the acetic acid. The water-based porcelain film coating has the good adhesive force and the good waterproof and cohesive-proof on an aluminum alloy substrate.

Description

Technical field [0001] The invention relates to the technical field of water-based inorganic coatings. Background technique [0002] At present, most of the coatings used in the coating industry are organic coatings, and water-based inorganic coatings are limited to inorganic zinc-rich or inorganic phosphate coatings. This type of coating only has protective properties for the bottom layer and does not have decorative functions. . [0003] The current inorganic coatings currently have two main drawbacks: first, the current inorganic coatings are generally matt and semi-matt, and generally lack decoration; second, the current inorganic coatings lack similar water resistance and long-lasting anti-sticking properties. [0004] Therefore, it is necessary to develop a water-based inorganic coating with better brightness and better water resistance. Summary of the invention [0005] In order to make up for the shortcomings of the prior art, the present invention provides a water-based cer...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D7/12
Inventor 雷焕虎朱洪江
Owner 广东四方威凯新材料有限公司
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