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High-performance water-based rust-transfer paint resin and water-based rust-transfer paint
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A high-performance, water-based technology, used in epoxy resin coatings, coatings, anti-corrosion coatings, etc., can solve problems such as slow drying speed, and achieve the effects of improved adhesion, good weather resistance, and easy use.
Active Publication Date: 2020-04-10
HUANGSHAN JINZHILI SCI & TECH
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[0003] The current water-based antirust paint with embroidery has some shortcomings, such as adding water-soluble resins (such as CN1456603A, CN1456600A, etc.) to improve the surface properties of the paint film, and the drying speed is slow due to the limitations of the resin properties
Method used
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[0037] Synthesis process: Add the formula amount of epoxy resin, linolenic acid, and catalyst into the reaction kettle, raise the temperature to 120°C and keep it warm, the system will turn light yellow, and the viscosity will gradually increase. Measure the acid value after 2 hours, when the acid value is ≦1 mgKOH / g, slowly add ethylene glycol butyl ether, stir evenly, cool down to 80°C, and filter for later use.
Embodiment 2
[0038] Example 2 Preparation of Modified Acrylic Resin
[0039] Prepare raw materials according to Table 3.
[0043] The preparation of embodiment 3 water-based rust-transferring paint resins
[0044] Epoxy esters and water-based acrylic resins synthesized in Examples 1 and 2 with a mass ratio of 50:50, and a zincoxide catalyst of 0.15% of the total mass was added.
[0045] Synthesis process: Take 500 grams of epoxy ester resin and water-based acrylic resin, 1.5 grams of zincoxide catalyst, add them to a 2-liter four-necked flask and heat in an oil bath, raise the temperature to 110°C, keep it warm for 30 minutes, then raise the temperature to 120°C, and react until the acid value to the specified value, then lower the temperature to 80°C, then neutralize with dimethylethanolamine at a neutralization degree of 100%, add water to a solid content of 40%, and filter the material to obtain WBD-88 water-based rust-removing paint resin .
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Abstract
The invention provides a high-performance water-based rust transformation paint resin, and is prepared from a self-made epoxy ester, a modified acrylic resin and a zincoxide catalyst. The invention further discloses a preparation method of the high-performance water-based rust transformation paint resin, the invention further discloses a water-based rust transformation paint containing the high-performance water-based rust transformation paint resin and a preparation method of the water-based rust transformation paint. To overcome the existing defects, the invention provides the high-performance water-based rust transformation paint, the high-performance water-based rust transformation paint prepared by the resin is simple in production and use, good in weather resistance and covering power, strong in adhesive force, safe and environment-friendly.
Description
technical field [0001] The invention belongs to the technical field of chemical materials and preparation of chemical materials, and in particular relates to a high-performance water-based rust-reversing paint resin and water-based rust-reversing paint. Background technique [0002] High-performance water-based rust-transfer paint resins and rust-transfer paints have a huge market, and are widely used in the manufacture and maintenance of steel structures, petroleum facilities, tunnels, bridges, ships, wharf port machinery facilities, expressway facilities, railway facilities, metallurgical and chemical equipment, etc. It can be used as a rust-removing and anti-rust primer before painting; it can also be used alone as a rust-removing and anti-rust paint. At present, the market-leading anti-rust paint is mainly oil-based paint. Although the anti-rust effect can meet the market demand, it cannot meet the environmental protection requirements due to the use of a large amount of...
Claims
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Application Information
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