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Fluorocarbon coating and method for preparing colored aluminum profiles from fluorocarbon coating

A technology of fluorocarbon coatings and aluminum profiles, applied in polyester coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve low production efficiency, UV fluorocarbon coatings cannot be cured, and fluorocarbon coatings have a long curing time, etc. problems, to achieve the effect of high production efficiency, rich paint film color, and small production site

Inactive Publication Date: 2015-03-25
ZHUHAI DONGCHENG UV MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing hydroxyl-containing fluorocarbon coatings have a long curing time and low production efficiency;

Method used

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  • Fluorocarbon coating and method for preparing colored aluminum profiles from fluorocarbon coating
  • Fluorocarbon coating and method for preparing colored aluminum profiles from fluorocarbon coating
  • Fluorocarbon coating and method for preparing colored aluminum profiles from fluorocarbon coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: White high-gloss aluminum profile

[0028] Soak the aluminum profile in 5% lye for 5 minutes, then clean the oil stain with water, dry it in an oven, and spray the double-cured white fluorocarbon coating with ultraviolet light and natural curing on the aluminum profile by air spraying method, 80 ℃ infrared Leveling for 1 minute, enter a 17.6KW high-pressure mercury lamp, a 17.6KW gallium lamp and a 17.6KW iron lamp for curing, and place it in a natural state for 20 hours. After the internal coating of the aluminum profile is cured, After passing the inspection and reaching the standard, stick a protective film and pack it to get a white high-gloss aluminum profile.

[0029] The weight percent of UV and natural curing dual curing white fluorocarbon coating is composed of: fluorine-containing polyurethane acrylate 30%, epoxy acrylate 10%, hydroxyethyl methacrylate 10%, Ciba 11735%, HDI 5%, titanium White powder 30%, talcum powder 7%, wetting and dispersing age...

Embodiment 2

[0030] Example 2: Black matte aluminum profile

[0031] Soak the aluminum profile in 10% lye for 2 minutes, then clean the oil stain with water, dry it in an oven, mix the components AB of the dual-curing black fluorocarbon coating with ultraviolet light and natural curing, and use vacuum spraying to mix well The paint is sprayed on the aluminum profile, 80 ℃ infrared leveling for 30 seconds, put into two 17.6KW high-pressure mercury lamps, two 17.6KW gallium lamps and one 17.6KW iron lamp to cure, and put it in the natural state After 24 hours, after the internal coating film of the aluminum profile is cured, it passes the inspection and reaches the standard, and then the protective film is attached and packaged, and the black matte aluminum profile is obtained.

[0032] The weight percent of UV and natural curing dual curing black fluorocarbon coating is composed of: A component: fluorine-containing epoxy acrylate 70%, Ciba TPO 5%, carbon black 5%, matting powder 2%, wetting...

Embodiment 3

[0033] Example 3: Gray matte aluminum profile

[0034] Soak the aluminum profile in 7% lye for 2 minutes, then clean the oil stain with water, dry it in an oven, and spray the dual-curing gray fluorocarbon coating with ultraviolet light and natural curing on the aluminum profile by electrostatic spraying method, 80 ℃ infrared Leveling for 50 seconds, curing in two 17.6KW high-pressure mercury lamps, one 17.6KW gallium lamp and one 17.6KW iron lamp, natural curing for 12 hours, after the internal coating of the aluminum profile is cured, it is inspected Qualified up to the standard, affix a protective film, package, that is, gray matte aluminum profile.

[0035] The weight percentage of UV and natural curing dual curing gray fluorocarbon coating is composed of: 30% fluorine-containing polyester acrylate containing hydroxyl, 40% trimethylol propane triacrylate, Ciba 1845%, IPDI 10%, titanium dioxide 10%, carbon black 2%, matting powder 2%, wetting and dispersing agent 2%, level...

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Abstract

The invention discloses a fluorocarbon coating and a method for preparing colored aluminum profiles from the fluorocarbon coating, belonging to the field of chemical engineering coatings. The fluorocarbon coating comprises the following components in percentage by weight: 30wt%-70wt% of fluorinated acrylate oligomers, 0-50wt% of acrylate oligomers, 10wt%-40wt% of reactive acrylate monomers, 5wt%-10wt% of a photoinitiator, 5wt%-10wt% of a curing agent, 5wt%-30wt% of pigments, 0-7wt% of fillers and 0-3wt% of an aid. According to the fluorocarbon coating, dual curing including ultraviolet light curing and spontaneous curing can be realized; the inner wall or dead corners, which cannot be irradiated by ultraviolet light, of the profiles can be spontaneously cured within 24 hours, so that the problem that the surface of the UV ultraviolet light fluorocarbon coating cannot be irradiated by the ultraviolet light is solved; after the coating is cured, a paint film has rich colors and excellent weather resistance and can meet outdoor use requirements.

Description

technical field [0001] The invention belongs to the field of chemical industry, and relates to a fluorocarbon coating, in particular to a colored fluorocarbon coating for double-cured profiles of ultraviolet light curing and natural curing. Background technique [0002] With the development of the economy, aluminum profiles are widely used in architectural decoration, household appliances, transportation, aerospace and other fields. At present, the surface treatment of aluminum profiles is mainly through the electroplating process to produce aluminum profile products in various shapes and colors. Liquids such as nickel sulfate, nickel chloride, boric acid, etc. have the disadvantages of high risk and large pollution, and the electroplating process of aluminum profiles is difficult to control, and the surface electroplating layer is prone to oxidation and blackening after a long time, which greatly limits the use of this process. [0003] The use of colored fluorocarbon coati...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D163/10C09D167/06B05D3/06
CPCB05D3/067C09D4/00C08F220/22
Inventor 谭昊崖李京
Owner ZHUHAI DONGCHENG UV MATERIALS
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