High-gloss water-based amino baking paint and preparation method thereof

An amino baking varnish, high-gloss technology, applied in the direction of coating, etc., to achieve the effect of excellent mechanical properties, high application value, and reasonable materials

Inactive Publication Date: 2016-12-21
太仓市美航涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although water-based baking varnishes are not harmful to the environment, there is a certain gap in gloss and fullness compared with oil-based baking varnishes, so its application is limited to a certain extent. The key factors affecting the gloss of water-based amino baking varnishes are the curing agent system, pigment-base ratio and Auxiliary formula

Method used

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  • High-gloss water-based amino baking paint and preparation method thereof

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preparation example Construction

[0015] figure 1 It is a process step diagram of a method for preparing a high-gloss water-based amino baking varnish according to an embodiment of the present invention; the amino baking varnish includes the following raw material components: water-based hydroxyl acrylic acid modified saturated polyester resin, low methyl etherified melamine resin curing agent, dimethylethanolamine, Diethylene glycol monobutyl ether, compound pigment, wetting agent, dispersant, LF-1207 anti-flash rust agent, BYK-141 defoamer, BYK-300 leveling agent, deionized water, the preparation method It includes the following steps: a) matching amino baking varnish raw materials, b) grinding and dispersing to prepare slurry, c) mixing and stirring to prepare finished products.

[0016] The high-gloss water-based amino baking varnish mentioned in the present invention uses water-based acrylic modified saturated polyester resin and low methyl etherified melamine resin as film-forming substances, and by dete...

Embodiment 1

[0018] The specific preparation method is as follows:

[0019] a) Choose the raw material of amino baking varnish, and weigh the following raw materials by weight percentage: 30% water-based hydroxyacrylic acid modified saturated polyester resin, 8% low methyl etherified melamine resin curing agent, 1% dimethylethanolamine, 1% diethylene glycol monobutyl ether, 6% compound pigment, 0.2% wetting agent, 0.2% dispersant, 0.1% LF-1207 anti-flash rust agent, 0.1% BYK-141 defoaming agent agent, 0.4% BYK-300 leveling agent, 53% deionized water; the compound pigment is composed of iron oxide red and iron oxide black in a mass ratio of 1:1; the wetting agent is an anionic alkyl Sulfosuccinate; the dispersant is polyacrylic acid sodium salt.

[0020] b) Grinding and dispersing to prepare the slurry, first, 2 / 3 of the water-based hydroxyacrylic acid modified saturated polyester resin weighed in step a) and dimethylethanolamine, compound pigment, wetting agent, Put the dispersant, LF-12...

Embodiment 2

[0023] The specific preparation method is as follows:

[0024] a) Choose the raw material of amino baking varnish, and weigh the following raw materials by weight percentage: 35% water-based hydroxyacrylic acid modified saturated polyester resin, 10% low methyl etherified melamine resin curing agent, 2% dimethylethanolamine, 1.5% diethylene glycol monobutyl ether, 7% compound pigment, 0.3% wetting agent, 0.3% dispersant, 0.2% LF-1207 anti-flash rust agent, 0.2% BYK-141 defoaming agent agent, 0.5% BYK-300 leveling agent, 43% deionized water; the compound pigment is composed of iron oxide red and iron oxide black in a mass ratio of 1:1; the wetting agent is an anionic alkyl Sulfosuccinate; the dispersant is polyacrylic acid sodium salt.

[0025] b) Grinding and dispersing to prepare the slurry, first, 2 / 3 of the water-based hydroxyacrylic acid modified saturated polyester resin weighed in step a) and dimethylethanolamine, compound pigment, wetting agent, Put the dispersant, LF...

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Abstract

The invention provides a high-gloss water-based amino baking paint and a preparation method thereof. The amino baking paint comprises the following raw materials: water-based hydroxyacrylic acid modified saturated polyester resin, low methyl etherification melamine resin curing agent, dimethylethanolamine, diethylene glycol monobutyl ether, compound pigment, wetting agent, dispersing agent, LF-1207 flash-rust inhibitor, BYK-141 defoaming agent, BYK-300 leveling agent and deionized water. The preparation method comprises the following steps: a) selecting the raw materials of the amino baking paint; b) grinding and dispersing to prepare slurry; and c) mixing and stirring to prepare the finished product. The invention discloses a high-gloss water-based amino baking paint and a preparation method thereof. The amino baking paint has the advantages of reasonable raw materials, simple preparation process, high paint film gloss and favorable surface effect. Meanwhile, the amino baking paint has excellent mechanical property, thus having a very high application value.

Description

technical field [0001] The invention relates to a coating, in particular to a high-gloss water-based amino baking varnish and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] Coatings are applied on the surface of objects by different construction techniques to form a continuous solid film with strong adhesion and certain strength. Coatings generally contain four basic components: film-forming substances, pigments, solvents and additives. As a class of modern multifunctional engineering materials, coatings are widely used. At present, my country's coatings industry is developing in three directions: environmental protection, economy, and high performance. It is vigorously developing low-content solvent, water-based and solvent-free, powder, and UV-curable coatings. In recent years, my country's coating industry has been committed to the development of low pollution, high solids or solvent-free coatings, water-based...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D161/32C09D7/12
CPCC09D151/08C08L2205/03C08L61/32C08K13/02C08K2003/2272C08K2003/2275
Inventor 李文彪
Owner 太仓市美航涂料有限公司
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