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Water based paint with mirror surface effect and preparation method thereof

A technology of water-based paint and water-based acrylic, applied in the direction of coating, etc., can solve problems such as complex processing methods, and achieve the effects of high hardness, scratch resistance, good leveling, and high activity

Active Publication Date: 2015-04-29
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this electrochemical treatment method is relatively complicated, requiring chemical immersion tanks, stable current, etc., and the most important thing is that it will produce wastewater containing heavy metals. As far as the current environmental protection requirements are concerned, it takes a considerable amount of time to treat wastewater containing heavy metals. cost

Method used

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  • Water based paint with mirror surface effect and preparation method thereof
  • Water based paint with mirror surface effect and preparation method thereof
  • Water based paint with mirror surface effect and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of water-based paint with mirror effect, by weight, the paint is made of the following components:

[0029]

[0030]

[0031] The preparation method of the above-mentioned water-based paint with mirror effect may further comprise the steps:

[0032] (1) Mix Bayhydrol 2470, CYMEL 385 and co-solvent, and stir at 300r / min for 20min to obtain a mixture;

[0033] (2) Under stirring, slowly add BYK-182 to the mixture obtained in step (1), and continue to disperse at a speed of 500r / min for 20min to prepare component A;

[0034] (3) Mix 10 parts by weight of deionized water, HR-BG / 7800 and BYK-333, and stir at 300r / min for 10min to prepare component B;

[0035] (4) Slowly add component B to component A at a speed of 500r / min, and use DMAE to adjust the mixture to a pH value of 7.0-7.5;

[0036] (5) Use the remaining deionized water as a diluent to dissolve the mixture obtained in step (4), and spray it with air. After the obtained wet film is baked at 140° C. fo...

Embodiment 2

[0038] A kind of water-based paint with mirror effect, by weight, the paint is made of the following components:

[0039]

[0040] The preparation method of the above-mentioned water-based paint with mirror effect may further comprise the steps:

[0041] (1) Mix Bayhydrol RCS 1554, CYMEL 385 and co-solvent, and stir at 300r / min for 20min to obtain a mixture;

[0042] (2) Under stirring, slowly add BYK-182 to the mixture obtained in step (1), and continue to disperse at a speed of 500r / min for 20min to prepare component A;

[0043] (3) Mix 3 parts by weight of deionized water, HR-BG / 7800 and BYK-333, stir at 300r / min for 10min, and prepare component B;

[0044] (4) Slowly add component B to component A at a speed of 500r / min, and use DMAE to adjust the mixture to a pH value of 7.0-7.5;

[0045] (5) Use the remaining deionized water as a diluent to dissolve the mixture obtained in step (4), spray it with air, and bake the obtained wet film at 140° C. for 1 hour to obtain a ...

Embodiment 3

[0050] A kind of water-based paint with mirror effect, by weight, the paint is made of the following components:

[0051] Water-based acrylic resin A (Bayhydrol 2470) 50, water-based amino resin B (CYMEL 385 high imino resin) 10, co-solvent (diethylene glycol butyl ether) 5, defoamer (BYK- 182) 0.1, leveling agent (BYK-333) 0.5, effect pigment (Schlenk Aquamet HR-BG / 7800) 5, amine neutralizer (Deqian DMAE) 0.05, deionized water 10.

[0052] The above-mentioned water-based paint preparation method with mirror effect may further comprise the steps:

[0053] (1) Mix the water-based acrylic resin A, the water-based amino resin B and the cosolvent, and stir at 300r / min for 20min to obtain the mixture;

[0054] (2) Slowly add the defoamer to the mixture obtained in step (1) under stirring, and continue to disperse at a speed of 500r / min for 20min to prepare component A;

[0055] (3) Mix 60-70% deionized water, effect pigment and leveling agent, stir at 300r / min for 10min, and prep...

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Abstract

The invention relates to water based paint with a mirror surface effect and a preparation method thereof. The water based paint is composed of the following components in parts by weight: 50-70 parts of water-based acrylic resin A, 10-20 parts of water-based amino resin B, 5-10 parts of cosolvent, 0.1-0.5 part of defoaming agent, 0.5-1 part of leveling agent, 5-10 parts of effect pigment, 0.05-0.1 part of amine neutralizer and 10-20 parts of deionized water. The preparation method comprises the following steps: sequentially adding the water-based acrylic resin A, the water-based amino resin B, 50% of deionized water, the defoaming agent and the cosolvent into a container, and stirring uniformly to obtain a mixture A; uniformly mixing and stirring the residual deionized water, the leveling agent and the effect pigment to obtain a component B; adding the component B into the component A while stirring, uniformly stirring and finally regulating the pH to 7.0-7.5 by use of the amine neutralizer. Compared with the prior art, the water based paint provided by the invention has the advantages of low VOC emission, environmental friendliness, excellent adhesive force, high hardness and scratch resistance, and the like.

Description

technical field [0001] The invention relates to a paint and a preparation method thereof, in particular to a water-based paint with a mirror effect and a preparation method thereof. Background technique [0002] In the field of industrial paint applications, solvent-based paints are mainly used for paints with mirror effects, and the appearance is uneven, which requires high spraying environment and low yield. With the continuous deepening of environmental protection awareness in various countries around the world, more and more attention has been paid to the pollution of organic solvents in automobile painting, and various countries have formulated corresponding regulations to control the VOC of automobile coatings. For the coatings industry, water-based is the main direction. [0003] Chinese patent CN103923511A provides a water-based metal coating, including component A and component B; the component A includes: 3-50g / L metal salt, 5-60g / L complexing agent, 0.1-5g / L stab...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D161/20C09D7/12
CPCC08L2205/025C09D7/20C09D7/40C09D7/47C09D7/61C09D7/70C09D133/00C08L61/20C08K9/10C08K2003/0806
Inventor 朱忠敏叶小明梅杰
Owner DONGLAI COATING TECH SHANGHAI
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