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Substrate surface treatment process enabling surface to be provided with wrinkle grains

A technology for substrate treatment and surface treatment, which is applied to devices for coating liquids on surfaces, special surfaces, and pretreated surfaces. , to achieve the effect of prolonging the baking time, improving the chemical corrosion resistance, and ensuring the firmness.

Inactive Publication Date: 2014-04-09
HANGZHOU SANJING ART CRAFT PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the industry generally believes that the traditional heat-curing art paint cannot be combined with the vacuum coating layer, because the low-boiling point and high-volatility solvents in the heat-curing art paint will cause vortices due to the rapid evaporation of the solvent during the drying process of the coating, which will damage the coating. There are more pinholes and defects on the surface of the coating film; when using a solvent with a higher boiling point, when the film is baked, although the solvent volatilizes slowly to obtain a smooth surface effect, the residual solvent in the cured film is difficult In addition, it will escape from the primer during vacuum coating, which will affect the coating quality.
Therefore, when the art paint and the vacuum coating process are combined to spray the substrate, the fastness of the art paint and the coating is not enough, and the phenomenon of paint peeling is very easy to occur

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Substrate surface treatment process to make the surface wrinkle texture:

[0024] (1) Surface cleaning: soak the semi-finished glass in industrial alcohol for 10 minutes to remove dust, oil stains, stains, etc. on the surface, so that the glass surface is thoroughly cleaned, and then use an electrostatic brush for electrostatic dust removal;

[0025] (2) Spray wrinkle paint: evenly spray thermosetting wrinkle paint, the wrinkle paint selected is UB-2485B wrinkle paint of Buzhan Enterprise Co., Ltd., and the coating thickness is 100 μm;

[0026] (3) Drying: Bake with infrared rays in the drying tunnel for 2 hours at a temperature of 140°C. During the baking process, the wrinkle paint gradually presents a natural wrinkle texture;

[0027] (4) Cooling: Take it out of the oven and place it at room temperature, and cool for 3.5 hours to make the wrinkle paint coating reach the ideal hardness;

[0028] (5) Vacuum coating: Vacuum coating is carried out by using the known vacu...

Embodiment 2

[0033] Substrate surface treatment process to make the surface wrinkle texture:

[0034] (1) Surface cleaning: soak the glass semi-finished product in dilute sulfuric acid for 5 minutes to remove dust, oil stains, stains, etc. on the surface, so that the glass surface is thoroughly cleaned, and then use an electrostatic brush for electrostatic dust removal;

[0035] (2) Spray wrinkle paint: evenly spray thermosetting wrinkle paint, the wrinkle paint selected is UB-2485B wrinkle paint of Buzhan Enterprise Co., Ltd., and the coating thickness is 150 μm;

[0036] (3) Drying: Bake with infrared rays in the drying tunnel for 3 hours at a temperature of 120°C. During the baking process, the wrinkle paint gradually presents a natural wrinkle texture;

[0037] (4) Cooling: Take it out of the oven and place it at room temperature, and cool for 3.5 hours to make the wrinkle paint coating reach the ideal hardness;

[0038] (5) Vacuum coating: use the known vacuum evaporation coating met...

Embodiment 3

[0043] Substrate surface treatment process to make the surface wrinkle texture:

[0044] (1) Surface cleaning: Soak PPS high-temperature-resistant plastic semi-finished products in industrial alcohol for 5 minutes to remove dust, oil stains, stains, etc. on the surface, so that the plastic surface is thoroughly cleaned, and then use an electrostatic brush for electrostatic dust removal;

[0045] (2) Spray heat-curing primer: spray heat-curing primer evenly, the thickness of the primer layer is 20μm, heat and dry for 3 minutes, and the drying temperature is 60°C;

[0046] (3) Spray wrinkle paint: evenly spray thermosetting wrinkle paint, the wrinkle paint selected is UB-2485B wrinkle paint of Buzhan Enterprise Co., Ltd., and the coating thickness is 50 μm;

[0047] (4) Drying: Bake with infrared rays in the drying tunnel for 2 hours at a temperature of 120°C. During the baking process, the wrinkle paint gradually presents a natural wrinkle texture;

[0048] (5) Cooling: Take i...

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Abstract

The invention belongs to the technical field of substrate surface treatment, and particularly relates to a substrate surface treatment process enabling a surface to be provided with wrinkle grains. According to the technical scheme, electrostatic precipitation is carried out on the substrate surface after the substrate surface is cleaned; wrinkle paint is sprayed, and the thickness of the wrinkle paint coating is 30-200 microns; then the substrate surface is baked through infrared rays for 2-3 hours, and the temperature is 120-150 DEG C; the substrate surface is cooled at room temperature for 2-4 hours, then vacuum evaporation coating is carried out, and the thickness of the coating layer is 50-500nm; ultraviolet light polymerization finish paint is sprayed, and the thickness of a finish paint coating is 10-30 microns; then ultraviolet irradiation is carried out, the finish paint is cured, the irradiation time is 5-10 seconds, and the surface is made to be provided with the natural wrinkle grains. The defects in the prior art are overcome, the heat curing type wrinkle paint is combined with the vacuum coating, and the substrate surface is made to be provided with the wrinkle grains with metallic luster.

Description

technical field [0001] The invention belongs to the technical field of substrate surface treatment, and in particular relates to a substrate surface treatment process for making the surface have wrinkle texture. Background technique [0002] Arts and crafts paint is a kind of heat-curing paint that can protect the surface of the substrate and present different textures to make the object more aesthetic. The main varieties include wrinkle paint, hammer paint, crack paint, crystal paint and orange paint. The graining principle of art paint is mainly to add additives with specific physical and chemical properties into the paint, and after spraying, control the drying time, drying temperature and cooling time to make the surface present different textures. At present, the industry generally believes that the traditional heat-cured art paint cannot be combined with the vacuum coating layer, because the low-boiling point and high-volatility solvents in the heat-cured art paint wil...

Claims

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Application Information

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IPC IPC(8): B05D1/38B05D5/00B05D3/02B05D3/06
Inventor 陆琪宏
Owner HANGZHOU SANJING ART CRAFT PLASTIC
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