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Anti-sagging spraying prime coat

An anti-sag and primer technology, applied in coatings, polyester coatings, epoxy resin coatings, etc., can solve problems such as easy sagging, hindering the application of UV paint, and piled oil

Inactive Publication Date: 2012-10-17
HUIZHOU CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the general UV paint has no surface drying phenomenon, it is easy to sag and accumulate oil when heated and baked.
This will cause unevenness in the position of the groove on the board surface or the paint on the facade, which hinders the application of UV paint in spray paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] An anti-sag spraying primer, by weight: 10-25% of two functional aliphatic urethane acrylates, 30% of modified epoxy acrylates, 20% of polyester acrylates, 10-15% of monomers, Filler 25-30%, photoinitiator 3-5%, anti-sag additive 0.5-2%, defoamer 0.2-0.5%, leveling agent 0.1-0.3%. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials are made into an anti-sag spraying primer, which is coated on wooden door panels with an automatic spraying machine. The rapid curing of the primer can greatly improve production efficiency. After curing, test its anti-sag property, which can achieve the effect of traditional PU and PE paint. The primer is directly rolled on the wooden door panel and cured by ultraviolet light, which reduces the process and man-hours and greatly improves the efficiency.

Embodiment 2

[0011] A kind of anti-sag spray primer, by weight: two functional aliphatic polyurethane acrylate 12%, modified epoxy acrylate 28%, polyester acrylate 18%, monomer 10-15%, filler 25-30%, photoinitiator 3-5%, anti-sag additive 0.5-2%, defoamer 0.2-0.5%, leveling agent 0.1-0.3%. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials are made into an anti-sag spraying primer, which is coated on wooden door panels with an automatic spraying machine. The rapid curing of the primer can greatly improve production efficiency. After curing, test its anti-sag property, which can achieve the effect of traditional PU and PE paint. The primer is directly rolled on the wooden door panel and cured by ultraviolet light, which reduces the process and man-hours and greatly improves the efficiency.

Embodiment 3

[0013] A kind of anti-sag spray primer, by weight: two functional aliphatic polyurethane acrylate 15%, modified epoxy acrylate 26%, polyester acrylate 16%, monomer 10-15%, filler 25-30%, photoinitiator 3-5%, anti-sag additive 0.5-2%, defoamer 0.2-0.5%, leveling agent 0.1-0.3%. According to the paint-making method commonly used by those skilled in the art, the above-mentioned materials are made into an anti-sag spraying primer, which is coated on wooden door panels with an automatic spraying machine. The rapid curing of the primer can greatly improve production efficiency. After curing, test its anti-sag property, which can achieve the effect of traditional PU and PE paint. The primer is directly rolled on the wooden door panel and cured by ultraviolet light, which reduces the process and man-hours and greatly improves the efficiency.

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PUM

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Abstract

The present invention discloses an anti-sagging spraying primer coat, which comprises, by weight, 10-25% of a two functionality aliphatic polyurethane acrylate, 20-30% of a modified epoxy acrylate, 10-20% of a polyester acrylate, 10-15% of a monomer, 25-30% of a filler, 3-5% of a photoinitiator, 0.5-2% of an anti-sagging additive, 0.2-0.5% of an anti-foaming agent, and 0.1-0.3% of a leveling agent. With application of the UV paint as the spraying primer coat, the problem of sagging during a coating process can be avoided, the whole coating efficiency can be improved, the environment-friendly characteristic is provided, and the organic solvent emission can be reduced.

Description

technical field [0001] The invention relates to a coating in the chemical industry, in particular to a primer suitable for anti-sag spraying. Background technique [0002] UV paint is a light-curing paint. It is a furniture paint that is widely used at present. Its main features are: after ultraviolet light curing treatment, its color is stable and it will last for a long time. Therefore, it is widely used in cabinets, wooden doors, furniture, etc. In recent years, the use of sprayed UV paint on wooden doors has developed rapidly, gradually replacing traditional sprayed PU and PE paints. Traditional PU and PE paints will release a large amount of organic solvents to pollute the atmosphere, and the overall efficiency and benefits are not high. UV paint can be sprayed with all solids, which is environmentally friendly, and the overall coating efficiency is very high. However, because the general UV paint has no surface drying phenomenon, it is easy to sag and pile up oil whe...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D175/14C09D167/06C09D7/12
Inventor 林立茗
Owner HUIZHOU CHANGRUNFA PAINT
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