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A yellowing resistant UV transparent primer for electrostatic spraying

A transparent primer and electrostatic spraying technology, applied in coatings, polyester coatings, etc., can solve the problems of lengthened working hours, increased procedures, difficult construction, etc., and achieve the effect of improving production efficiency

Active Publication Date: 2017-06-06
HUIZHOU CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, general UV paint is difficult to apply on such irregularly shaped substrates. The traditional method is to spray PU primer after mechanical polishing.
This results in more processes, longer working hours, and the use of PU paint, which releases a large amount of organic solvents to pollute the atmosphere, and the overall efficiency and benefits are not high.

Method used

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  • A yellowing resistant UV transparent primer for electrostatic spraying

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A kind of anti-yellowing UV transparent primer for electrostatic spraying, each component and its weight percentage are as follows:

[0060] Amino-modified polyester acrylate 25%

[0061] Pure Acrylic 4%

[0062] Monomer 30%

[0063] Filler 12%

[0064] Photoinitiator 3%

[0065] Defoamer 0.1%

[0066] Dispersant 0.2%

[0067] Anti-settling agent 0.2%

[0068] Silica 0.5%

[0069] Solvent 25%;

[0070] Wherein, the amino-modified polyester acrylate is Fuxin 7096 amino mixed polyester; the pure acrylate is Changxing 6071; the monomer is tripropylene glycol diacrylate; the filler is talcum powder; Described photoinitiator is 1-hydroxyl-cyclohexyl-phenyl ketone; Described defoamer is acrylic defoamer; Described dispersant is acrylic dispersant; Used anti-settling agent is organic bentonite; Described solvent is ethyl acetate. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials were made into photocurable p...

Embodiment 2

[0072] A kind of anti-yellowing UV transparent primer for electrostatic spraying, each component and its weight percentage are as follows:

[0073] Amino-modified polyester acrylate 26%

[0074] Pure Acrylic 4%

[0075] Monomer 33%

[0076] Filler 8%

[0077] Photoinitiator 3%

[0078] Defoamer 0.1%

[0079] Dispersant 0.4%

[0080] Anti-settling agent 0.5%

[0081] Silica 1%

[0082] Solvent 24%;

[0083]Wherein, the amino-modified polyester acrylate is Fuxin 7096 amino mixed polyester; the pure acrylate is Changxing 6071; the monomer is trimethylolpropane triacrylate; the filler is calcium carbonate ; The photoinitiator is 2-hydroxyl-2-methyl-1-phenyl-1-acetone; The defoamer is an acrylic defoamer; The dispersant is an acrylic dispersant; The anti-settling agent used is Polyethylene wax; the solvent is butyl acetate. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials were made into photocurable primers, whi...

Embodiment 3

[0085] A kind of anti-yellowing UV transparent primer for electrostatic spraying, each component and its weight percentage are as follows:

[0086] Amino-modified polyester acrylate 27%

[0087] Pure Acrylic 4%

[0088] Monomer 40%

[0089] Filler 5%

[0090] Photoinitiator 3%

[0091] Defoamer 0.1%

[0092] Dispersant 0.3%

[0093] Anti-settling agent 0.1%

[0094] Silica 0.5%

[0095] Solvent 20%;

[0096] Wherein, the amino-modified polyester acrylate is Fuxin 7096 amino mixed polyester; the pure acrylate is Changxing 6071; the monomer is 1,6 hexanediol diacrylate; the filler is transparent powder; the photoinitiator is 1-hydroxyl-cyclohexyl-phenyl ketone; the defoamer is an acrylic defoamer; the dispersant is an acrylic dispersant; the anti-settling agent used is fumed silica ; The solvent is ethyl acetate. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials were made into photocurable primers, which were ...

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Abstract

The invention discloses a yellowing-resistant UV (ultraviolet) transparent primer for electrostatic spraying, which is composed of the following components in percentage by weight: 25-32% of amino modified polyester acrylate, 3-8% of pure acrylate, 25-40% of monomer, 5-12% of filler, 3-5% of photoinitiator, 0.1-0.5% of defoaming agent, 0.2-0.8% of dispersing agent, 0.1-0.5% of anti-settling agent, 0.5-2% of silicon dioxide and 20-25% of solvent. The amino modified polyester acrylate is Fuxin 7096 amino mixed polyesters; the pure acrylate is Changxing 6071, and the solvent is one or both of ethyl acetate and butyl acetate. The UV transparent primer can greatly enhance the overall painting efficiency, satisfies the application requirements for substrates in various irregular shapes, maximally reduces the loss of the paint, saves the application time and labor, enhances the application efficiency, and creates higher profit value for the enterprise.

Description

technical field [0001] The invention relates to the field of chemical coatings, in particular to an anti-yellowing UV transparent primer for electrostatic spraying. Background technique [0002] UV paint is a light-curing paint. It is currently a widely used furniture paint. Its main features are: after strong ultraviolet light curing treatment, the color is stable and always new. Therefore, it is widely used in cabinet furniture, wooden doors, etc. In recent years, cabinet furniture, wooden doors, etc. have used irregular shapes to combine substrates, which can improve the aesthetics of their appearance. However, general UV paint is difficult to apply on such irregularly shaped substrates. The traditional method is to spray PU primer after mechanical polishing. This results in more processes, longer working hours, and the use of PU paint, which releases a large amount of organic solvents to pollute the atmosphere, and the overall efficiency and benefits are not high. Con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/06C09D7/12C09D5/46
CPCC08K3/36C08K13/02C08L2201/10C09D5/033C09D167/06
Inventor 陈腾练世斌戴超
Owner HUIZHOU CHANGRUNFA PAINT
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