Coating special for metal and production method thereof

A technology for coatings and metals, applied in the field of special metal coatings and its production, can solve the problem of unsatisfactory anti-corrosion coatings, single functions, physical properties (hardness, adhesion, flexibility, chemical properties (heat resistance, anti-aging) Insufficient resistance and corrosion resistance, etc., to achieve excellent light resistance and outdoor aging performance, good dispersion and weather resistance, and strong effect of shielding ultraviolet rays

Inactive Publication Date: 2018-12-07
广西南宁维一防腐科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Metal corrosion is a very common phenomenon in nature, which is very harmful to the metal components used in people's daily life and production. At present, people use anti-corrosion coatings to achieve anti-corrosion protection for metals, but the existing The anti-corrosion effect of anti-corrosion coatings is not very ideal, and the function is single
[0006] The physical properties (hardness, adhesion, flexibility) and chemical properties (heat resistance, aging resistance, corrosion resistance) of traditional polyurethane, alkyd, nitro and other metallic paint coatings are far from meeting the needs of modern industries for high-tech Performance requirements for metallic paint coatings

Method used

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  • Coating special for metal and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A special coating for metal, comprising the following raw materials in parts by weight: 50 parts of acrylic resin; 30 parts of polytetrafluoroethylene resin; 10 parts of inorganic montmorillonite; 10 parts of glass fiber; 20 parts of mica powder; 10 parts of aluminum powder; 5 parts of shielding agent; 5 parts of butyl acetate; 3 parts of leveling agent; 2 parts of defoamer; 1 part of dispersant; 0.8 parts of anti-settling agent;

[0057] The inorganic montmorillonite is white with a particle size of 400 mesh; the glass fiber is silk powder with a particle size of 26 μm; the mica powder is phlogopite with a particle size of 5 μm; the aluminum powder is in the form of scales , the sheet diameter is 10 μm; the defoamer is polypropylene glycol; the dispersant is a modified polyurethane dispersant; the anti-settling agent is a polyamide wax anti-settling agent.

[0058] A kind of production method of special paint for metal, the steps are as follows:

[0059] Add acrylic r...

Embodiment 2

[0061] A special coating for metal, comprising the following raw materials in parts by weight: 55 parts of acrylic resin; 35 parts of polytetrafluoroethylene resin; 15 parts of inorganic montmorillonite; 15 parts of glass fiber; 22 parts of mica powder; 12 parts of aluminum powder; 7 parts of shielding agent; 6 parts of butyl acetate; 4 parts of leveling agent; 3 parts of defoamer; 1 part of dispersant; 0.8 parts of anti-settling agent;

[0062] The inorganic montmorillonite is white with a particle size of 400 mesh; the glass fiber is silk powder with a particle size of 27 μm; the mica powder is phlogopite with a particle size of 7 μm; the aluminum powder is in the form of scales , the sheet diameter is 13 μm; the defoamer is acrylic acid; the dispersant is a modified polyurethane dispersant; the anti-settling agent is a fumed silica anti-settling agent.

[0063] A kind of production method of special paint for metal, the steps are as follows:

[0064] Add acrylic resin and ...

Embodiment 3

[0066] A special coating for metal, comprising the following raw materials in parts by weight: 58 parts of acrylic resin; 38 parts of polytetrafluoroethylene resin; 18 parts of inorganic montmorillonite; 18 parts of glass fiber; 24 parts of mica powder; 13 parts of aluminum powder; 13 parts of shielding agent; 7 parts of butyl acetate; 5 parts of leveling agent; 3 parts of defoamer; 1.5 parts of dispersant; 1 part of anti-settling agent; 0.8 parts of thickener.

[0067] The inorganic montmorillonite is white with a particle size of 400 mesh; the glass fiber is silk powder with a particle size of 28 μm; the mica powder is phlogopite with a particle size of 8 μm; the aluminum powder is in the form of scales , a sheet diameter of 25 μm; the defoamer is polypropylene glycol; the dispersant is a modified polyurethane dispersant; the anti-settling agent is a polyamide wax anti-settling agent.

[0068] A kind of production method of special paint for metal, the steps are as follows: ...

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Abstract

The invention relates to a metal coating, and in particular to a coating special for metal and a production method thereof. The coating special for metal contains the following raw materials in partsby weight: 50-60 parts of acrylic resin, 30-40 parts of polytetrafluoroethylene resin, 10-20 parts of inorganic montmorillonite, 10-20 parts of glass fiber, 20-25 parts of mica powder, 10-15 parts ofaluminium powder, 5-15 parts of ultraviolet shielding agent, 5-8 parts of butyl acetate, 3-5 pars of leveling agent, 2-3 parts of defoaming agent, 1-1.5 parts of dispersing agent, 0.8-1 part of anti-settling agent and 0.5-1 part of thickening agent. The prepared coating special for metal has excellent weatherability, fume resistance and self-cleanness, strong covering capability, good reflecting property for light and heat and strong corrosion protection; the surface of a metal workpiece processed by the coating is smooth, high in glossiness and uniform in color; and the dried paint film is excellent in chemical resistance.

Description

technical field [0001] The invention relates to a metal paint, in particular to a special metal paint and a production method thereof. Background technique [0002] Fluorocarbon paints mass-produced in Britain, the United States, and France in the 1970s and rapidly developed in my country in the 1990s are favored by people. This is due to the uniqueness of the fluorocarbon atomic structure in the molecule of the fluorocarbon resin, which forms the extraordinary performance of the fluorocarbon paint. [0003] Fluorine is in the seventh main group of the second cycle of the periodic table, with a small atomic radius and the largest electronegativity, so it is difficult for fluorocarbon resin molecules to undergo homolysis. The heat resistance, aging resistance, corrosion resistance, film thickness, adhesion, impact resistance and other comprehensive properties of the paint made of the corresponding raw materials are superior to the traditional paint. Utilizing the unique adv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D127/18C09D5/08C09D5/25C09D5/33C09D5/16C09D7/61
CPCC08K2003/0812C08L2201/08C09D5/00C09D5/004C09D5/08C09D5/1687C09D5/18C09D133/00C08L27/18C08K13/04C08K7/14C08K3/346C08K3/34C08K3/08
Inventor 李金庆李常勇王全忠
Owner 广西南宁维一防腐科技有限公司
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