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Environment-friendly water-based metal decorative effect coating and preparation method thereof

A metal decoration and metal effect technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of high cost, difficult to guarantee adhesion fastness, and complicated construction process.

Active Publication Date: 2015-01-14
SHANGHAI HUILI PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As known in the industry, directly pasting or dry-hanging materials such as aluminum-plastic panels, metal panels or other similar materials on the exterior walls of buildings can make the decorative surface show a strong metal decorative effect, greatly beautifying the city and highlighting the building. The value of the object and the strength of the owner are widely used in high-end decorations such as clubs, entertainment venues, office buildings, conference centers, and administrative office buildings; but there are also the following disadvantages: 1. High requirements for the flatness of the base surface, otherwise it will appear 2. The construction process is complex and the construction period is long; 3. There are lap joints between the boards, which are not well sealed and seepage of water; 4. It is difficult to guarantee the bonding fastness, and there are potential safety hazards in the long run; 5. The cost is expensive. Ordinary engineering is unbearable
[0003] Chinese Invention Patent Application Publication No. CN102146241A discloses "one-component thermoplastic acid and alkali resistant metal effect coating and its preparation and use method". Strengths, however, because its solvent content reaches 20%-60%, it loses safety and environmental protection, especially ethylene glycol butyl ether is more harmful to human health, and inhalation can be fatal, and it has been shown in animal experiments It will damage the reproductive system, so be cautious about the production and use of paints containing this ingredient; even for existing water-based metallic effect paints, it is still necessary to pre-soak the aluminum silver paste with an organic solvent in the same proportion as the metallic pigment, and , in order to improve the soaking effect of aluminum silver paste, part of ethylene glycol butyl ether is usually added, which still contains up to 10%-15% of organic solvents; it is not environmentally friendly, but also seriously affects the storage stability of the coating. Only about 3-4 months is still its shortcoming

Method used

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  • Environment-friendly water-based metal decorative effect coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) For the preparation of the base material, add 36.5 parts of water into the dispersing tank, start the agitator, adjust the speed to 500-600rpm / min, add 0.15 parts of preservative, 0.4 parts of defoamer, and 0.15 parts of suspending agent in sequence under stirring. Increase the rotation speed to 1000-1200rpm / min, disperse at high speed for 15-20min until a transparent solution is formed, reduce the stirring speed to 500-600rpm / min, then add 56 parts of TL-4369 elastic emulsion and 5.5 parts of film-forming aid in sequence part, 1.0 part of propylene glycol, and 0.3 part of thickener. After the feeding is completed, keep the rotation speed at 500-600rpm / min, and continue to stir for 10-20min until it is uniform;

[0039] (2) For the preparation of prefabricated slurry, first add 35.5 parts of water to the turnover bucket (pot), then add 5 parts of dispersant and 1.5 parts of wetting agent, stir evenly, and finally add 58 parts of metal effect pigment aluminum silver p...

Embodiment 2

[0043](1) For the preparation of the base material, add 40.8 parts of water to the dispersing kettle, start the agitator, adjust the speed to 500-600rpm / min, add 0.2 parts of preservative, 0.35 parts of defoamer, and 0.55 parts of suspending agent in sequence under stirring Increase the rotation speed to 1000-1200rpm / min, disperse at high speed for 15-20min until a transparent solution is formed, reduce the stirring speed to 500-600rpm / min, then add 51 parts of AC-818 pure acrylic emulsion, film-forming aid 5 parts, 1.5 parts of propylene glycol, 0.6 parts of thickener, after feeding, keep the speed at 500-600rpm / min, and continue to stir for 10-20min until uniform;

[0044] (2) For the preparation of prefabricated slurry, first add 41.75 parts of water to the turnover bucket (pot), then add 4 parts of dispersant and 1.25 parts of wetting agent, stir evenly, and finally add 53 parts of metal effect pigment aluminum silver paste, soak 30min-3.5h is enough.

[0045] (3) Finishe...

Embodiment 3

[0048] (1) For the preparation of the base material, add 45.25 parts of water into the dispersing kettle, start the agitator, adjust the speed to 500-600rpm / min, add 0.25 parts of preservative, 0.3 parts of defoamer, and 0.8 parts of suspending agent in sequence under stirring Increase the rotation speed to 1000-1200rpm / min, disperse at high speed for 15-20min until a transparent solution is formed, reduce the stirring speed to 500-600rpm / min, then add 46 parts of 4311A fluorocarbon emulsion and 4.5 parts of film-forming aid in sequence , 2 parts of propylene glycol, 0.9 parts of thickener, after the feeding is completed, keep the speed at 500-600rpm / min, and continue to stir for 10-20min until it is uniform;

[0049] (2) For the preparation of prefabricated slurry, first add 50 parts of water to the turnover bucket (pot), then add 3 parts of dispersant and 1 part of wetting agent, stir evenly, and finally add 46 parts of metal effect pigment aluminum silver paste, soak 30min-...

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Abstract

The invention discloses an environment-friendly water-based metal decorative effect coating and a preparation method thereof, and belongs to the field of decorative materials. The coating is prepared by mixing a basic material and prefabricated slurry in a ratio of (3-5) to 1. The basic material comprises the following raw materials in part by weight (W / W): 36 to 50 parts of water, 0.15 to 1.5 parts of suspending agent, 0.15 to 0.35 part of preservative, 0.15 to 0.4 part of defoaming agent, 40 to 56 parts of synthetic resin emulsion, 3.5 to 5.5 parts of coalescing aid, 1.0 to 3.0 parts of propylene glycol and 0.3 to 1.5 parts of thickening agent. The prefabricated slurry comprises the following raw materials in part by weight (W / W): 32 to 58 parts of metal effect pigment, 1.5 to 5 parts of dispersing agent, 0.5 to 1.5 parts of wetting agent, 35.5 to 60 parts of water and a plurality of parts of color paste. Aluminum-silver paste is immersed in a dispersing agent solution, so that damage of immersing the aluminum-silver paste in an organic solvent to human bodies is eliminated, volatile organic compounds (VOC) are only 1 / 3 to 1 / 4 of the original coating, and the aims of environmental protection and harmlessness to the human bodies are truly fulfilled; and the storage life is prolonged from 3 to 4 months to more than 13 months. The invention also discloses the preparation method for the environment-friendly water-based metal decorative effect coating.

Description

technical field [0001] The invention relates to the field of decoration materials, in particular to an environment-friendly water-based metal decorative effect paint and a preparation method thereof, which belong to the field of environment-friendly paints. Background technique [0002] As known in the industry, directly pasting or dry-hanging materials such as aluminum-plastic panels, metal panels or other similar materials on the exterior walls of buildings can make the decorative surface show a strong metal decorative effect, greatly beautifying the city and highlighting the building. The value of the object and the strength of the owner are widely used in high-end decorations such as clubs, entertainment venues, office buildings, conference centers, and administrative office buildings; but there are also the following disadvantages: 1. High requirements for the flatness of the base surface, otherwise it will appear 2. The construction process is complex and the construct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/12C09D133/04C09D125/14C09D5/10C09D5/28C09D7/12
Inventor 曹勇兵徐爱军吕艳琴
Owner SHANGHAI HUILI PAINT