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Oily acrylic acid metallic paint with high storage stability and preparation method thereof

A technology of storage stability and metallic paint, which is applied in the field of coatings, can solve problems such as chemical reaction corrosion, and achieve the effect of improving metal texture, storage stability, and good storage

Active Publication Date: 2014-01-08
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] ~In general, aluminum powder has high stability under the condition of good storage and sealing, but when aluminum powder is exposed to the air, it will be oxidized, and it will undergo chemical reaction and be corroded when it meets water.

Method used

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  • Oily acrylic acid metallic paint with high storage stability and preparation method thereof
  • Oily acrylic acid metallic paint with high storage stability and preparation method thereof
  • Oily acrylic acid metallic paint with high storage stability and preparation method thereof

Examples

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preparation example Construction

[0036] A preparation method for enhancing the storage stability of oily acrylic metal paint, the method comprises the following processing steps:

[0037] (1) Soak 8% silver powder pigment in 8% ethyl acetate solvent for 5 minutes. Then stir it with a disperser, the stirring speed is 200-400r / min, and the stirring time is 15min. It is made into component A and soaked for 24 hours for later use.

[0038] (2) Add 15% of thermosetting acrylic resin (965), 15% of cellulose acetate butyrate (CAB-381-0.5), 15% of rheology additive (556), 1% of wetting and dispersing agent (5066 ), 40% ethyl acetate, and 6% xylene were added sequentially, and stirred on a disperser, the stirring speed was 800-1200r / min, and the stirring time was 30min. Make it part B.

[0039] (3) Add 3% moisture-proof additive to component B, stir on the disperser, the stirring speed is 200-400r / min, and the stirring time is 30min to stop, to make component C, filter with a 10 micron filter bag ;

[0040] (4) Ad...

Embodiment 5

[0042] An oil-based acrylic metallic paint with strong storage stability, which is composed of the following components and contents: 5kg of aluminum powder, 12kg of acrylic polyol resin, 12kg of cellulose acetate butyrate, 45kg of solvent, 12kg of rheology additive, wetting Dispersion aid 0.5kg, moisture-proof additive 3kg, the cellulose acetate butyrate used is selected commercially available CAB-381-0.5 from Eastman Company, the solvent is xylene, the rheology additive is polyethylene wax slurry, and the wetting and dispersing The auxiliary agent is polymer unsaturated hydroxy acid salt, and the anti-humidity auxiliary agent is aluminosilicate activated powder.

[0043] The preparation method of the oily acrylic metal paint with strong storage stability comprises the following steps:

[0044] (1) Weigh the aluminum powder and solvent according to the weight ratio of 1:1, soak the metal pigment in the solvent, and disperse it with a disperser at a low speed after 5 minutes. ...

Embodiment 6

[0049] An oil-based acrylic metallic paint with strong storage stability, which is composed of the following components and contents: 8kg of aluminum powder, 15kg of acrylic polyol resin, 15kg of cellulose acetate butyrate, 46kg of solvent, 15kg of rheology additive, wetting Dispersing aid 1kg, moisture-proof additive 5kg, the cellulose acetate butyrate that adopts is selected commercially available Eastman's CAB-531-1, solvent is butyl acetate, rheology additive is polyamide wax slurry, wetting and dispersing The auxiliary agent is polymer unsaturated hydroxy acid salt, and the anti-humidity auxiliary agent is aluminosilicate activated powder.

[0050] The preparation method of the oily acrylic metal paint with strong storage stability comprises the following steps:

[0051] (1) Weigh the metal pigment and the solvent at a weight ratio of 1:1, soak the metal pigment in the solvent, disperse at a low speed with a disperser after 5 minutes, stir at a speed of 300r / min, stop sti...

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Abstract

The invention relates to oily acrylic acid metallic paint with high storage stability and a preparation method thereof. The oily acrylic acid metallic paint consists of the following components in parts by weight: 5-10 parts of metallic pigment, 12-18 parts of acrylic resin, 12-18 parts of cellulose acetate butyrate, 45-50 parts of solvent, 12-18 parts of rheological auxiliary, 0.5-2 parts of wet dispersing auxiliary and 3-10 parts of damp-proof auxiliary. The preparation method comprises the steps of weighing the metallic pigment and the solvent at a weight ratio of 1:1; mixing the acrylic resin, the cellulose acetate butyrate, the remaining solvent, the rheological auxiliary, the wet dispersing agent and the damp-proof auxiliary, and filtering; finally, uniformly mixing and stirring the two components to obtain a product. Compared with the prior art, the water content of the aluminum powder coating can be controlled simply, quickly and effectively, the storage stability of the aluminum powder coating is enhanced, the pig skin is avoided, and the metal texture, adhesion, flexibility and the like are improved.

Description

technical field [0001] The invention relates to a coating, in particular to an oily acrylic metal paint with strong storage stability and a preparation method thereof. Background technique [0002] Aluminum powder pigment is one of the important metal pigments. With the development of science and technology and modern industry, there are more and more varieties of aluminum powder pigments, and the scope of application is also wider and wider. At present, aluminum powder paint has become a The main force of other coatings. [0003] ~In general, aluminum powder has high stability when the storage is well sealed, but when aluminum powder is exposed to the air, it will be oxidized, and it will undergo a chemical reaction and be corroded when it meets water. [0004] In recent years, in order to improve the corrosion resistance, water resistance and stability of zinc powder pigments, the surface coating treatment has become a research hotspot. In solving the corrosion problem o...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D101/14C09D5/38C09D7/12
Inventor 朱忠敏刘莉春
Owner DONGLAI COATING TECH SHANGHAI
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