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A kind of preparation method of wear-resistant reflective coating

A technology of reflective coatings and sols, which can be used in anti-corrosion coatings, polyester coatings, polyurea/polyurethane coatings, etc., and can solve problems such as unsatisfactory wear resistance

Active Publication Date: 2018-06-26
蚌埠格识知识产权运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing reflective coatings often have unsatisfactory wear resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation method of a kind of wear-resistant reflective paint that the present invention proposes, comprises the following steps:

[0026] a. After mixing 13 parts of zirconium nitrate, 10 parts of magnesium nitrate, 2 parts of cerium nitrate and 0.8 part of calcium nitrate in parts by weight, add water to dissolve to obtain a mixed solution, then add dropwise sodium hydroxide solution, filter, and wash the filter cake Place in water for ultrasonic dispersion, then heat in a water bath, the temperature of the water bath heating is 70°C, add nitric acid dropwise during the water bath heating to pH = 3-4, to obtain the first sol;

[0027] b. Add 23 parts of tetraethyl orthosilicate to 5 parts of ethanol to dissolve in parts by weight, then add 1 part of water dropwise, then adjust the pH value to 3-4, then add 6 parts of the first sol dropwise, and stir for 60 minutes to obtain the second Sol;

[0028] c. Add ethyl acetoacetate to ethanol in parts by weight and sti...

Embodiment 2

[0034] The preparation method of a kind of wear-resistant reflective paint that the present invention proposes, comprises the following steps:

[0035] a. After mixing 16 parts of zirconium nitrate, 7 parts of magnesium nitrate, 4 parts of cerium nitrate and 0.4 part of calcium nitrate in parts by weight, add water to dissolve to obtain a mixed solution, then add dropwise sodium hydroxide solution, filter, and wash the filter cake Place in water for ultrasonic dispersion, and then heat in a water bath at a temperature of 75°C. During the heating in the water bath, add nitric acid dropwise to pH=3-4 to obtain the first sol;

[0036] b. Add 20 parts of tetraethyl orthosilicate to 6 parts of ethanol to dissolve in parts by weight, then add 0.7 parts of water dropwise, then adjust the pH value to 3-4, then add 9 parts of the first sol dropwise, and stir for 45 minutes to obtain the second Sol;

[0037] c. Add ethyl acetoacetate to ethanol in parts by weight and stir evenly, then ...

Embodiment 3

[0043] The preparation method of a kind of wear-resistant reflective paint that the present invention proposes, comprises the following steps:

[0044] a. After mixing 14 parts of zirconium nitrate, 9 parts of magnesium nitrate, 2.5 parts of cerium nitrate and 0.6 part of calcium nitrate in parts by weight, add water to dissolve to obtain a mixed solution, then add dropwise sodium hydroxide solution, filter, and wash the filter cake Place in water for ultrasonic dispersion, and then heat in a water bath at a temperature of 72°C. During the heating in the water bath, add nitric acid dropwise to pH=3-4 to obtain the first sol;

[0045] b. Add 22 parts of tetraethyl orthosilicate to 5.2 parts of ethanol to dissolve in parts by weight, then add 0.9 parts of water dropwise, then adjust the pH value to 3-4, then add 7 parts of the first sol dropwise, and stir for 55 minutes to obtain the second Sol;

[0046] c. After adding ethyl acetoacetate in parts by weight to ethanol and stirr...

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Abstract

The invention discloses a method for preparing a wear-resistant reflective coating. The method includes: preparing a hydroxide sol; dissolving tetraethoxysilane into ethanol, then dropwise adding water, and dropwise adding hydroxide sol to obtain a second sol; preparing a TiO2 sol; stirring the second sol, and dropwise adding a fifth sol and water in the process of stirring to obtain a sixth sol; heating paraffin containing Span 40 in a water bath, dropwise adding the sixth sol into paraffin oil, stirring and filtering to obtain gel particles; sintering the gel particles to obtain reflective glass beads; washing the reflective glass beads, dipping and firing to obtain modified glass beads; adding water-soluble acrylic resin, waterborne polyurethane resin and waterborne alkyd resin into the water, mixing well, adding the modified glass beads, calcined kaolin, diatomite, fumed silica and a silane coupling agent, and evenly mixing; and then adding zinc borate, nano magnesium hydroxide, a toughening agent, an antifoaming agent, an anti-mildew agent and a pigment, and stirring evenly to obtain the wear-resistant reflective coating.

Description

technical field [0001] The invention relates to the technical field of reflective coatings, in particular to a preparation method of wear-resistant reflective coatings. Background technique [0002] The main raw materials used in reflective materials include resins, pigments, glass beads, etc., and any raw material is very important to the performance of reflective products. Among them, the bonding resin must have good construction performance and excellent bonding ability. If there is no protective layer on the surface, the bonding resin must also be waterproof and washable. The surface resin requires good transparency. Ideal Refractive index, excellent weather resistance and stability, and the connection of each layer of resin must also have a good match, so as to meet the optical characteristics, use requirements and manufacturing process requirements of reflective material products; for pigments, high transparency is required properties, color stability, and good compat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D175/04C09D167/08C09D5/08C09D7/61
Inventor 谢安全黄承大
Owner 蚌埠格识知识产权运营有限公司
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