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Primer for aluminum plate curtain wall, preparation method of primer, composite paint vehicle for aluminum plate curtain wall and preparation method of aluminum plate curtain wall

A composite paint and aluminum plate technology, which is applied in primers, anti-corrosion coatings, and devices for coating liquid on the surface, etc., can solve problems such as high cost, primer migration, and affecting the coating effect of aluminum curtain walls

Active Publication Date: 2022-01-21
浙江优艺雅涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When preparing the aluminum curtain wall, if the primer is not leveled or the surface drying time is not enough to spray the fluorocarbon topcoat, the primer will directly migrate to the fluorocarbon topcoat, which will affect the coating effect of the aluminum curtain wall; so when preparing the aluminum curtain wall When the primer is applied, it needs to be leveled for 10-15 minutes or baked for 5-6 minutes before spraying the fluorocarbon topcoat, resulting in low work efficiency and high cost of the aluminum curtain wall

Method used

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  • Primer for aluminum plate curtain wall, preparation method of primer, composite paint vehicle for aluminum plate curtain wall and preparation method of aluminum plate curtain wall
  • Primer for aluminum plate curtain wall, preparation method of primer, composite paint vehicle for aluminum plate curtain wall and preparation method of aluminum plate curtain wall

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preparation example Construction

[0054] The present invention also provides a preparation method for the aluminum curtain wall primer described in the above technical solution, comprising the following steps:

[0055] Water-based hydroxyl acrylic emulsion HD-8102, neutralizer, deionized water, cosolvent PNB, part of cosolvent DPM, dispersant 760W, 024 defoamer, 346 wetting agent, 902 defoamer, 4100 wetting agent and 706 titanium dioxide is mixed and ground to obtain emulsion pre-pulp;

[0056] Mix FB12 aliphatic isocyanate water-based blocked curing agent, allnex 303 amino resin and the remaining co-solvent DPM to obtain a curing agent mixture;

[0057] After mixing the emulsion pre-pulp and the curing agent mixture, add King's 3525 acid drier, 105A thickener and 53L thickener in sequence to obtain the primer for the aluminum curtain wall.

[0058] In the present invention, water-based hydroxyl acrylic emulsion HD-8102, neutralizer, deionized water, cosolvent PNB, part of cosolvent DPM 2.0%, dispersant 760W,...

Embodiment 1

[0125] A primer for aluminum curtain wall, comprising the following components in mass percentage:

[0126] Water-based hydroxyl acrylic emulsion HD-8102 50%, neutralizer DMEA 0.3%, deionized water 8.4%, co-solvent PNB 2.0%, co-solvent DPM 5.0%, dispersant 760W 0.6%, 024 defoamer 0.3%, 346 wetting Wetting agent 0.3%, 902 defoamer 0.2%, 4100 wetting agent 0.2%, 706 titanium dioxide 22%, King’s 3525 acid drier 0.3%, 105A thickener 0.20%, 53L thickener 0.2%, FB12 Aliphatic isocyanate water-based blocked curing agent 3.0%, allnex 303 amino resin 7.0%;

[0127] The solid content of the aqueous hydroxyacrylic acid emulsion HD-8102 is 43wt%;

[0128] The hydroxyl value of the aqueous hydroxyl acrylic emulsion HD-8102 is 85 mg / mol.

[0129] The preparation method comprises the following steps:

[0130] Water-based hydroxyl acrylic emulsion HD-8102 50%, neutralizer DMEA 0.3%, deionized water 8.4%, cosolvent PNB 2.0%, cosolvent DPM 2.0%, dispersant 760W 0.6%, 024 defoamer 0.3%, 346 ...

Embodiment 2

[0144] A composite paint for aluminum curtain wall: comprising the primer and aminofluorocarbon topcoat for aluminum curtain wall described in Example 1;

[0145] The aminofluorocarbon topcoat includes the following components in mass percentage:

[0146] 30.6% water-based fluorocarbon emulsion resin 827;

[0147] 25.4% water-based fluorocarbon emulsion resin M15A;

[0148] 0.1% net taste neutralizer AMP-95;

[0149] 3.0% ethylene glycol tert-butyl ether;

[0150] 1.5% isopropanol;

[0151] 0.7% dispersant 181;

[0152] 0.2% wetting agent 4100;

[0153] 0.2% defoamer 902w;

[0154] 2.0% coalescence aid DPNB;

[0155] 0.2% light stabilizer 5400WB;

[0156] 18.2% titanium dioxide 996;

[0157] 8.2% water-based amino resin 303;

[0158] 3.0% Nano Zirconia Z3103;

[0159] 4.5% modified nano-zirconia Z3100 dispersion (the nano-zirconia Z3100 dispersion with a solid content of 40% and silicon dioxide are mixed at a mass ratio of 95:5 and wrapped at 200°C for 30 minutes); ...

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Abstract

The invention belongs to the technical field of water-based industrial coatings, and provides a primer for an aluminum plate curtain wall, a preparation method of the primer, a composite paint vehicle for the aluminum plate curtain wall and a preparation method of the aluminum plate curtain wall. According to the primer for the aluminum plate curtain wall, the water-based hydroxyl acrylic emulsion HD-8102 is combined with the FB12 aliphatic isocyanate water-based closed curing agent, a net-shaped cross-linked film can be rapidly formed on the surface of a base plate through the primer, fluorocarbon finish paint cannot migrate after being sprayed, and a wet-to-wet process is beneficial to promoting the adhesive force between the primer and the finish paint. Meanwhile, due to the use of a King's 3525 acid drier, the surface drying time and the drying time of the primer are greatly shortened. Besides, under the combined action of the FB12 aliphatic isocyanate water-based closed curing agent, the Zhanxin 303 amino resin, the cosolvent DPM, the 105A thickening agent and the 53L thickening agent, the leveling time of the primer is greatly shortened, so that the primer can be subjected to surface coating after being leveled, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of water-based industrial coatings, in particular to a primer for aluminum curtain walls and a preparation method thereof, a composite paint for aluminum curtain walls and a preparation method for aluminum curtain walls. Background technique [0002] With the rapid development of cities and the continuous improvement of living standards, people have higher and higher requirements for the exterior of buildings. Lime, tiles, mosaics and natural stone were the earliest materials used for exterior decoration of buildings; tiles and mosaics are often dropped and hurt people due to thermal expansion and contraction, endangering human life; , the situation of injuring people, there are also high prices, non-renewable, waste of resources and serious environmental pollution in mining. With the improvement of people's awareness of environmental protection and safety, ceramic tiles, mosaics and natural stones are grad...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D5/08C09D5/00C09D7/61C09D7/63C09D127/12C09D161/20B05D7/14B05D7/24B05D1/36
CPCC09D133/00C09D5/08C09D5/002C09D7/61C09D7/63C09D127/12B05D7/14B05D7/24B05D7/542B05D1/36C08K2003/2241C08K2003/2244C08L2201/08B05D2202/25B05D2502/00B05D2506/10C08K5/29C08K3/22C08L61/20B05D2420/01B05D2420/02
Inventor 俞建华
Owner 浙江优艺雅涂料有限公司
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