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Directive water-based acrylic resin with excellent aluminite powder and preparation and coating thereof

A water-based acrylic and directional technology, applied in the application field of aluminum powder coating and aluminum profile water-based coating, can solve the problem of not introducing water-based acrylic resin synthesis, etc., and achieve good spraying workability, good orientation of aluminum powder, and good gloss. degree of effect

Inactive Publication Date: 2017-03-08
GUANGZHOU HUMAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Chinese patent CN 101693804 A discloses a water-based acrylic amino resin silver powder paint, which is composed of water-based acrylic resin, amino resin, water-based aluminum powder, water-based defoamer, amine neutralizer and deionized water, but the patent does not Synthesis of waterborne acrylic resins not described

Method used

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  • Directive water-based acrylic resin with excellent aluminite powder and preparation and coating thereof
  • Directive water-based acrylic resin with excellent aluminite powder and preparation and coating thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] 154g of ethylene glycol butyl ether was pre-loaded into a reaction vessel equipped with stirring, condensation and heating devices, and the material was heated to 105°C, and 363.8g of methyl methacrylate, 51.8 g styrene, 259 g hydroxyethyl methacrylate, 264.3 g butyl acrylate, 36 g butyl methacrylate, 25 g acrylic acid mixture, and in parallel to this, 60.5 g benzoyl peroxide and 80 g ethylene glycol were added over 5.5 hours After the butyl ether was dissolved evenly, the mixture was stirred at 105°C for 2 hours, then cooled to 80°C, added with 30.9g N,N-dimethylethanolamine, stirred for 30 minutes, cooled to 60°C, and then cooled to 60°C for 1 hour 1200g of deionized water was added to obtain a water-based acrylic resin with the following data: acid value 23mgKOH / g; hydroxyl value 65mgKOH / g; viscosity 2100mPa·s; pH value 7.5; average particle size 160nm; solid content 40%.

Embodiment 2

[0066] 77 g of ethylene glycol butyl ether and 77 g of Solvesso 100 were precharged into a reaction vessel equipped with a stirring, condensing and heating device, and the mass was heated to 105° C., at which temperature 363.8 g of methyl methacrylate were added within 5 hours ester, 51.8g styrene, 259g hydroxyethyl methacrylate, 264.3g butyl acrylate, 36g butyl methacrylate, 25g acrylic acid mixture, in parallel with this, add 60.5g benzoyl peroxide and 80g After ethylene glycol butyl ether is dissolved evenly, the mixture is stirred at 105°C for 2 hours, then cooled to 80°C, 30.9g of N,N-dimethylethanolamine is added, stirred for 30 minutes, and then cooled to 60°C. Add 1200g of deionized water within 1 hour to obtain a water-based acrylic resin with the following data: acid value 23mgKOH / g; hydroxyl value 65mgKOH / g; viscosity 2700mPa·s; pH value 7.5; average particle diameter 210nm;

Embodiment 3

[0068] 77g of ethylene glycol butyl ether was pre-loaded into a reaction vessel equipped with a stirring, condensing and heating device, and the material was heated to 105°C, and 363.8g of methyl methacrylate, 51.8 g styrene, 259 g hydroxyethyl methacrylate, 264.3 g butyl acrylate, 36 g butyl methacrylate, 25 g acrylic acid mixture, and in parallel to this, 60.5 g benzoyl peroxide and 80 g ethylene glycol were added over 5.5 hours After the butyl ether was dissolved uniformly, the mixture was stirred at 105°C for 2 hours, then cooled to 80°C, 77g of isopropanol was added, stirred for 10 minutes, then 30.9g of N,N-dimethylethanolamine was added, and stirred for 30 Minutes later, the temperature was lowered to 60°C, and 1200g of deionized water was added within 1 hour to obtain a water-based acrylic resin with the following data: acid value 23mgKOH / g; hydroxyl value 65mgKOH / g; viscosity 3000mPa·s; pH value 7.5; average particle size Diameter 180nm; solid content 40%.

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Abstract

The invention belongs to the technical field of resin coating, and discloses a directive water-based acrylic resin with excellent aluminite powder and a preparation method, aluminite powder coating based on it and an application in aluminum profile water-based coating. Resin is prepared from the following components (1) 60-99% of acrylic acid monomers of all monomers, including 5-10% of carboxyl acrylic monomers by total weight of all monomers, 15-25% of hydroxyl acrylic monomers of all monomers and other acrylic acid monomers; (2) 0-25% of ethylene aromatic monomers of all monomers; (3) 0.5-3% of initiator of all monomers; (4) 5-40% of cosolvent of all monomers; (5) 0.5-2% of neutralizer of all monomers; (6) water; all monomers consist of (1) to (3). The aluminite powder coating based on the resin is good in directive property, excellent in adhesive force, strong in film metal sense, good in glossiness, and strong in corrosive resistance.

Description

technical field [0001] The invention belongs to the technical field of resin coatings, and in particular relates to a water-based acrylic resin with excellent aluminum powder orientation, a preparation method, an aluminum powder coating based on the same, and an application in water-based coatings for aluminum profiles. Background technique [0002] With the continuous enhancement of people's environmental and health awareness, water-based coatings have been paid more and more attention. At present, water-based coatings in the field of coatings are mainly concentrated in wood coatings, automotive original coatings, large steel structures, engineering vehicles, locomotives and other coatings, and there is also a tendency to turn to water-based coatings. However, in the aluminum profile industry, powder coatings and fluorocarbon coatings are mainly used, and the share of water-based coatings in the aluminum profile industry is almost zero. [0003] The advantages of powder co...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F220/28C08F212/08C08F220/06C09D133/12C09D5/10
CPCC08F220/14C09D5/103C09D133/12C08F220/1804C08F220/281C08F212/08C08F220/06
Inventor 邓威袁鹏飞谭德满黄光燕
Owner GUANGZHOU HUMAN CHEM
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