Water dispersible fluorine silicone modified acrylic resin coating and preparation and application in aluminum profile

A technology modified by acrylic resin and fluorosilicone, which is applied in coating and other directions, can solve the problems of monotonous color of powder paint, high cost and high energy consumption of electrophoretic paint, etc., and achieve the effect of strong metal feeling, resource saving and low cost

Active Publication Date: 2015-06-10
GUANGZHOU HUMAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

1. Electrophoretic paint has high energy consumption, high pollution, single color, and low decoration; 2. Fluorocarbon paint, organic solvents should be used as diluents when spraying, which will cause large pollution and endanger human health, and the cost is high; 3. Powder The color of the paint is monotonous, mainly black, white, gray and other plain paints, and the brighter colors are easy to fade

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: A water-dispersed fluorosilicon-modified acrylic resin coating applied to aluminum profiles

[0037] Put 15.0 g of Degussa No. 4 carbon black, 25.0 g of deionized water, and 5.0 g of BYK-180 in a disperser, put 55.0 g of glass beads, and disperse for 5 hours to obtain a black slurry;

[0038] Put 45.0g of WPA-4401P water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon element is 2%, 40% solid content, viscosity 6000-8000mPa·s, pH value 7.0-8.5) in the dispersion container, Add 5.0g of CYMEL327 amino resin, stir evenly, add 0.1g of naphthalenesulfonic acid catalyst, stir evenly, add 32.4g of deionized water, 4.0g of talcum powder and 13.5g of black slurry, stir evenly, and then rotate at 600r / min Disperse for 20 minutes, filter with a 120 mesh filter cloth to obtain a black primer;

[0039] Put 60.0g of WPA-4401F water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon elements is 5%, 40% soli...

Embodiment 2

[0040] Example 2: A water-dispersed fluorosilicon-modified acrylic resin coating applied to aluminum profiles

[0041] Put 15.0 g of Degussa No. 4 carbon black, 25.0 g of deionized water, and 5.0 g of BYK-180 into a disperser, put 55.0 g of glass beads, and disperse for 5 hours to obtain a black slurry;

[0042] Put 45.0g of WPA-4401P water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon element is 2%, 40% solid content, viscosity 6000-8000mPa·s, pH value 7.0-8.5) in the dispersion container, Add 5.0g of CYMEL327 amino resin, stir evenly, add 0.1g of naphthalenesulfonic acid catalyst, stir evenly, add 32.4g of deionized water, 4.0g of talcum powder and 13.5g of black slurry, stir evenly, and then rotate at 600r / min Disperse for 20 minutes, filter with a 120 mesh filter cloth to obtain a black primer;

[0043]Put 65.0g of WPA-4401F water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon element is 5%, 40% soli...

Embodiment 3

[0044] Example 3: A water-dispersed fluorosilicon-modified acrylic resin coating applied to aluminum profiles

[0045] Put 15.0 g of Degussa No. 4 carbon black, 25.0 g of deionized water, and 5.0 g of BYK-180 in a disperser, put 55.0 g of glass beads, and disperse for 5 hours to obtain a black slurry;

[0046] Put 45.0g of WPA-4401P water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon element is 2%, 40% solid content, viscosity 6000-8000mPa.s, pH value 7.0-8.5) in the dispersion container, Add 5.0g of CYMEL327 amino resin, stir evenly, add 0.1g of naphthalenesulfonic acid catalyst, stir evenly, add 32.4g of deionized water, 4.0g of talcum powder and 13.5g of black slurry, stir evenly, and then rotate at 600r / min Disperse for 20 minutes, filter with a 120 mesh filter cloth to obtain a black primer;

[0047] Put 70.0g of WPA-4401F water-dispersed fluorosilicon-modified acrylic resin (the total content of fluorosilicon elements is 5%, 40% soli...

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Abstract

The invention belongs to the technical field of water dispersible fluorine silicone modified acrylic resin coating, and discloses water dispersible fluorine silicone modified acrylic resin coating and preparation method thereof and an application in an aluminum profile. The coating comprises black primer and varnish, and the preparation method includes the following steps that carbon black, water and a dispersing agent are mixed and dispersed to obtain black wash; water dispersible fluorine silicone modified acrylic resin is mixed with amino resin, naphthalene sulfonic acid catalyzer is added, after mixture is stirred evenly, the water, talcum powder and the black wash are added to disperse and filtrate, the black primer is obtained; the water dispersible fluorine silicone modified acrylic resin is mixed with the amino resin, the naphthalene sulfonic acid catalyzer and flatting agent are added, after the mixture is stirred evenly, the water, a defoaming agent, propylene glycol monomethyl ether and ethyl alcohol are added to disperse and filtrate, and the varnish is obtained. Double coating water-based paint is formed by the coating, the coating has decorative effects that the color is rich, the feeling of metal is strong and the gloss is high, the weather ability is excellent, green and environmental protection are achieved, the cost is low, and the coating can be applied to aluminum profile coating.

Description

technical field [0001] The invention belongs to the technical field of acrylic resin coatings, and in particular relates to a water-dispersed fluorosilicon-modified acrylic resin coating, a preparation method thereof and an application in aluminum profile coating. Background technique [0002] There are three main types of surface coatings for aluminum profiles, namely electrophoretic paint, fluorocarbon paint and powder paint. 1. Electrophoretic paint has high energy consumption, high pollution, single color, and low decoration; 2. Fluorocarbon paint, organic solvents should be used as diluents when spraying, which will cause large pollution and endanger human health, and the cost is high; 3. Powder The paint color is monotonous, mainly black, white, gray and other plain paints, and brighter colors are easy to fade. [0003] With the implementation of the new environmental protection law, water-based has become an inevitable trend. A small amount of waterborne acrylic res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D161/20C09D7/12
CPCC09D7/40C09D133/00C08L61/20C08K3/04C08K3/34
Inventor 花魁昌袁鹏飞邓威谭德满黄光燕
Owner GUANGZHOU HUMAN CHEM
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