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Environment-friendly water-based single-component metallic-effect refinish paint for automobiles and preparation method thereof

A metal effect, one-component technology, applied in metal-free paints, biocide-containing paints, antifouling/underwater coatings, etc. VOC emission, good arrangement effect and strong metal texture effect

Inactive Publication Date: 2011-09-21
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, solvent-based refinish paints are widely used in the automotive repair market. The solvent content of traditional solvent-based refinish paints is often above 40%, and the solvent content of automotive solvent-based metallic colors is even as high as 85%. These solvents are generally volatile. Organic compounds (VOC) and volatile organic compounds (VOC) enter the atmosphere, which will cause environmental pollution and cause harm to the health of painting workers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of preparation method of water-based automobile one-component metallic effect repair paint, the method comprises the following processing steps:

[0028] (1) Add 4% of water-based aluminum powder pigment (STAPA HYDROLAN 2152), 0.4% of water-based polymer dispersant (TEGO Dispers 715W), 1% of co-solvent propylene glycol monomethyl ether and 7% of deionized water in a stirring state and mix evenly to prepare component a;

[0029] (2) Add 30% of water-based resin (Bayhydrol XP 2621), 0.5% of water-based defoamer (TEGO Foamex830), and 17% of deionized water in sequence, and stir evenly; then add 9% of water-based thickener (Viscalex HV30), Deionized water 10% and continue to stir evenly; continue to add water-based co-solvent propylene glycol monomethyl ether 7%, water-based leveling agent (EFKA-906) 1%, bactericide (pro-phenylphenol) 0.1% and deionized water 11% And stir evenly to prepare component b;

[0030] (3) In the state of stirring, add component a to b, an...

Embodiment 2

[0032] A kind of preparation method of water-based automobile one-component metallic effect repair paint, the method comprises the following processing steps:

[0033] (1) First add 7% of water-based aluminum powder pigment (STAPA HYDROLAN 9157), 0.6% of water-based polymer dispersant (TEGO Dispers 740W), 2% of co-solvent propylene glycol monomethyl ether and 4.8% of deionized water in a stirring state. and mix evenly to prepare component a;

[0034] (2) Add 35% of water-based resin (Bayhydrol xp 2621), 0.5% of water-based defoamer (TEGO Foamex822), and 14% of deionized water in sequence, and stir evenly; then add 7% of water-based thickener (Viscalex HV30), Ionized water 10% and continue to stir evenly; continue to add water-based co-solvent propylene glycol monomethyl ether 6%, water-based leveling agent (EFKA-906) 1%, bactericide (pro-phenylphenol) 0.1% and deionized water 11% and mix Stir evenly to prepare component b;

[0035] (3) In the state of stirring, add component...

Embodiment 3

[0037] A kind of preparation method of water-based automobile one-component metallic effect repair paint, the method comprises the following processing steps:

[0038] (1) First add 10% of water-based aluminum powder pigment (STAPA HYDROLAN 2193), 0.8% of water-based polymer dispersant (TEGO Dispers 745W), 1% of co-solvent propylene glycol monomethyl ether and 3.6% of deionized water in a stirring state. and mix evenly to prepare component a;

[0039] (2) Add 40% of water-based resin (Bayhydrol xp 2621), 0.5% of water-based defoamer (TEGO Foamex822), and 11% of deionized water in sequence, and stir evenly; then add 3% of water-based thickener (Viscalex HV30), Ionized water 10% and continue to stir evenly; continue to add water-based co-solvent propylene glycol monomethyl ether 7%, water-based leveling agent (EFKA-906) 1%, bactericide (pro-phenylphenol) 0.1% and deionized water 11% and mix Stir evenly to prepare component b;

[0040] (3) In the state of stirring, add componen...

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PUM

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Abstract

The invention relates to an environment-friendly water-based single-component metallic-effect refinish paint for automobiles and a preparation method thereof. The refinish paint comprises the following components in percentage by weight: 30-50% of water-based resin, 3-10% of single-component metallic-effect pigment, 0.1-1.0% of water-based dispersant, 0.3-1.0% of water-based defoaming agent, 3-9% of water-based thickening agent, 1-8% of cosolvent, 0.5-1% of water-based leveling agent, 0.1% of bactericide, 1-2% of pH regulator and 30-45% of deionized water. Compared with the prior art, the invention is harmless to human bodies, and has the advantages of strong metallic texture and the like.

Description

technical field [0001] The invention relates to a repair paint for automobiles, in particular to an environment-friendly water-based automobile single-component metal effect repair paint and a preparation method thereof. Background technique [0002] At present, solvent-based refinish paints are widely used in the automotive repair market. The solvent content of traditional solvent-based refinish paints is often above 40%, and the solvent content of automotive solvent-based metallic colors is even as high as 85%. These solvents are generally volatile. Organic compounds (VOC) and volatile organic compounds (VOC) enter the atmosphere, which will cause environmental pollution and cause harm to the health of painting workers. As people pay more attention to health, car refinish paints are also developing towards health and environmental protection, and the market demand for water-based car refinish paints is gradually increasing. Contents of the invention [0003] The object ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D133/00C09D161/20C09D167/00C09D5/38C09D5/14
Inventor 朱忠敏尤先锋
Owner DONGLAI COATING TECH SHANGHAI
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