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Improved metallic paint preparation process

A production process and metal paint technology, applied in the field of automotive paint, can solve the problems of toxicity, land pollution, poor gloss and aesthetics, etc., and achieve the effect of good gloss and aesthetics, good weather resistance, and good performance

Inactive Publication Date: 2018-03-06
何玉珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of chemically synthesized paints contain some harmful substances such as formaldehyde and heavy metals. If they are used in large quantities, they will cause land pollution and air quality degradation, which will have a serious impact on people's living environment and health. With the development of the times and the progress of science and technology , people pay more and more attention to the living environment; the traditional polyurethane metallic paint emits toxic odor, which is harmful to human health, and the paint surface has poor bonding strength, weather resistance, and glossy appearance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Mix and stir acrylic and pure acrylic emulsion to form a mixed emulsion;

[0016] Heat the mixed emulsion to 80°C and keep it warm;

[0017] Put epoxy resin with epoxy value 0.3 and copolymerized wax liquid into the mixed emulsion, stir evenly, and cool to 30°C;

[0018] Put in glitter powder with a particle size of 17 μm, sodium carboxymethyl cellulose, and propylene glycol phenyl ether and stir at a speed of 900 rpm for 60 minutes to make a metallic paint.

[0019] Among them, the weight ratio of raw materials is 35 parts of pure acrylic emulsion, 30 parts of acrylic acid, 20 parts of epoxy resin, 10 parts of copolymerized wax liquid, 10 parts of glitter powder, 8 parts of sodium carboxymethyl cellulose, and 8 parts of propylene glycol phenyl ether. share.

Embodiment 2

[0021] Mix and stir acrylic and pure acrylic emulsion to form a mixed emulsion;

[0022] Heat the mixed emulsion to 85°C and keep it warm;

[0023] Put epoxy resin and copolymerized wax liquid with epoxy value of 0.3 into the mixed emulsion, stir evenly, and cool to 35°C;

[0024] Put in glitter powder with a particle size of 16 μm, sodium carboxymethyl cellulose, and propylene glycol phenyl ether and stir at a speed of 1000 rpm for 45 minutes to make a metallic paint.

[0025] Among them, the weight ratio of raw materials is 45 parts of pure acrylic emulsion, 45 parts of acrylic acid, 25 parts of epoxy resin, 13 parts of copolymerized wax liquid, 13 parts of glitter powder, 9 parts of sodium carboxymethyl cellulose, and 9 parts of propylene glycol phenyl ether .

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PUM

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Abstract

The invention provides an improved metal paint production process, which comprises the steps of: mixing and stirring acrylic acid and pure acrylic emulsion to form a mixed emulsion; heating the mixed emulsion to 80-85°C and keeping it warm; putting epoxy resin and copolymerized emulsion into the mixed emulsion Wax liquid, stir evenly, and cool to 30~35°C; add glitter powder, sodium carboxymethyl cellulose, propylene glycol phenyl ether and stir evenly to make a metallic paint. The weight ratio of raw materials is 35-45 parts of pure acrylic emulsion, 30-45 parts of acrylic acid, 20-25 parts of epoxy resin, 10-13 parts of copolymerized wax liquid, 10-13 parts of glitter powder, sodium carboxymethyl cellulose 8‑9 parts, 8‑9 parts of propylene glycol phenyl ether.

Description

technical field [0001] The invention relates to the field of automobile paint, in particular to an improved metal paint manufacturing process. Background technique [0002] Most of chemically synthesized paints contain some harmful substances such as formaldehyde and heavy metals. If used in large quantities, it will cause land pollution and air quality degradation, which will seriously affect people's living environment and health. With the development of the times and the progress of science and technology , people pay more and more attention to the living environment; the traditional polyurethane metal paint emits toxic odor, which is harmful to human health, and the paint surface has poor bonding strength, weather resistance, and poor gloss and aesthetics. Contents of the invention [0003] In order to solve the problems of the technologies described above, the present invention provides an improved metallic paint manufacturing process, comprising the steps of: [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/65C09D7/61
Inventor 何玉珍
Owner 何玉珍
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