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Water-based acrylic silver powder paint suitable for mechanical equipment and preparation method thereof

A technology of acrylic silver powder and mechanical equipment, applied in the direction of metal-free paint, coating, polyurea/polyurethane coating, etc., can solve the problems of poor adhesion, great harm to human body, poor hiding power, etc., and achieve good water resistance And salt spray resistance, good physical properties and chemical resistance, good physical properties and chemical resistance

Inactive Publication Date: 2020-06-16
山东七维新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Silver powder paint is a kind of special pigment added to the paint. It is often used in vehicles, oil tanks, metal pipes and other objects. It is often used for decoration of metal surfaces. At present, oil-based silver powder paint has good silver powder encapsulation, good silver powder arrangement and fast drying speed, but There are disadvantages of high environmental pollution and great harm to human body, while water-based silver powder paint has disadvantages such as poor arrangement of silver powder and slow drying speed.
In addition, water-based silver powder paint also has the defects of poor gloss, poor adhesion, easy to fall off, low impact strength, poor hiding power, and difficult to store.

Method used

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  • Water-based acrylic silver powder paint suitable for mechanical equipment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A water-based acrylic silver powder paint suitable for mechanical equipment, in parts by mass, 60 parts of water-based self-crosslinking acrylic emulsion with a TG value of 26°C and a pH value of 7.5, a water-based paint with a solid content of 30% and a pH value of 7.0 5 parts of polyurethane emulsion, 3 parts of co-solvent, 3 parts of film-forming aid, 0.2 part of anti-settling agent, 3 parts of aluminum silver paste, 0.5 part of anti-flash rust agent, 0.2 part of thickener, 20 parts of deionized water, conventional auxiliary 3.5 parts of additives (conventional additives are 1 part of dispersant, 0.3 parts of defoamer, 0.3 parts of amine neutralizer, 0.2 parts of wetting agent, 0.2 parts of leveling agent, 1.5 parts of silver powder alignment assistant);

[0044]In this technical solution, the film-forming aids are BCS and DPNB in ​​a ratio of 2:1; the anti-settling agent is a polyurea anti-settling agent; the anti-flash rust agent is nitrite; The thickener is an ass...

Embodiment 2

[0056] A water-based acrylic silver powder paint suitable for mechanical equipment, in parts by mass, 60 parts of water-based self-crosslinking acrylic emulsion with a TG value of 26°C and a pH value of 7.5, a water-based paint with a solid content of 30% and a pH value of 7.0 5 parts of polyurethane emulsion, 3 parts of co-solvent, 3 parts of film-forming aid, 0.2 part of anti-settling agent, 3 parts of aluminum silver paste, 0.5 part of anti-flash rust agent, 0.2 part of thickener, 20 parts of deionized water, conventional auxiliary 3.4 parts of additives (conventional additives are 1 part of dispersant, 0.3 parts of defoamer, 0.2 parts of amine neutralizer, 0.2 parts of wetting agent, 0.2 parts of leveling agent, 1.5 parts of silver powder alignment assistant);

[0057] In this technical solution, the film-forming aids are BCS and DPNB, and the matching ratio is 2:1; the anti-settling agent is a polyurea anti-settling agent, and the anti-flash rust agent is nitrite; The thi...

Embodiment 3

[0069] A water-based acrylic silver powder paint suitable for mechanical equipment, in parts by mass, 60 parts of water-based acrylic emulsion (commercially available common acrylic emulsion) with a TG value of 20°C and a pH value of 7.5, with a solid content of 30% , 5 parts of water-based polyurethane emulsion with a pH value of 7.0, 3 parts of cosolvent, 3 parts of film-forming aid, 0.2 part of anti-settling agent, 3 parts of aluminum silver paste, 0.5 part of anti-flash rust agent, 0.2 part of thickener, 20 parts of ionized water, 3.4 parts of conventional additives (conventional additives are 1 part of dispersant, 0.3 parts of defoamer, 0.2 parts of wetting agent, 0.2 parts of leveling agent, 1.5 parts of silver powder alignment aid, amine neutralizer 0.2 copies);

[0070] In this technical solution, the film-forming aids are BCS and DPNB in ​​a ratio of 2:1; the anti-settling agent is a polyurea anti-settling agent; the anti-flash rust agent is nitrite; The thickener is...

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Abstract

The invention relates to water-based industrial coating, and particularly relates to water-based acrylic silver powder paint suitable for mechanical equipment and a preparation method thereof. The water-based acrylic silver powder paint comprises a water-based self-crosslinking acrylic emulsion, a water-based polyurethane emulsion, a cosolvent, a conventional auxiliary agent, a coalescing agent, an anti-settling agent, aluminum paste, an anti-flash-rust agent, a thickening agent and deionized water. The silver powder paint disclosed by the invention is prepared by matching the water-based self-crosslinking acrylic emulsion with better wrapping property with the proper water-based polyurethane emulsion, and the prepared finished product paint is good in storage stability, high in surface drying speed, high in hardness improvement speed, good in impact resistance and good in silver powder arrangement property. The preparation process is simple, easy to operate and low in production cost,and the working efficiency is improved.

Description

technical field [0001] The invention relates to a water-based industrial coating, in particular to a water-based acrylic silver powder paint suitable for mechanical equipment and a preparation method thereof. Background technique [0002] Silver powder paint is a kind of special pigment added to the paint. It is often used in vehicles, oil tanks, metal pipes and other objects. It is often used for decoration of metal surfaces. At present, oil-based silver powder paint has good silver powder encapsulation, good silver powder arrangement and fast drying speed, but It has the disadvantages of high environmental pollution and great harm to the human body, while water-based silver powder paint has disadvantages such as poor arrangement of silver powder and slow drying speed. In addition, water-based silver powder paint also has the defects of poor gloss, poor adhesion, easy to fall off, low impact strength, poor hiding power, and difficult to store. [0003] Therefore, it is urg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D175/04C09D5/38C09D7/45C09D7/65C09D7/61
CPCC08K2003/0806C08K2003/0812C08K2003/387C08L2205/02C08L2205/025C08L2205/035C09D5/38C09D133/04C09D7/45C09D7/61C09D7/65C08L75/04C08L75/02C08L91/06C08K13/02C08K3/08C08K3/28C08K3/38
Inventor 赵瑞超姜凤冕
Owner 山东七维新材料有限公司
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