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    Home > Coatings News > Paints and Coatings Market > Coating technology: a preparation method of asphalt resistant coating

    Coating technology: a preparation method of asphalt resistant coating

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tips: Information: A preparation method of asphalt resistant coating is composed of the following steps: (1) Preparation of polyester resin (2) At room temperature, 4050 acrylic resin and prepared polyester resin were added into the paint mixing tank, xylene and butyl acetate were added under the stirring state, and the solution was uniform The viscosity of the test coating - 4 cups was 25-30s before use (3) Polyurethane resin was added into the uniform solution obtained in step (2) and stirred at room temperature at a medium speed of 800 R / s for 2 hours (4) Adjust the stirring to 400R / s and stir at low speed, and add 138 to the solution obtained in step (3) Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Coating home news: a preparation method of asphalt resistant coating, which is composed of the following steps: (1) preparation of polyester resin (2) at room temperature, add 4050 acrylic resin and prepared polyester resin into the paint mixing tank, add xylene and butyl acetate in the mixing state, dissolve evenly, test the viscosity of - 4 cups of coating and wait for use after 25-30s (3) Polyurethane resin was added into the uniform solution obtained in step (2) and stirred at room temperature at a medium speed of 800 R / s for 2 hours (4) Adjust the stirring speed to 400R / s, add 138 amino resin into the solution obtained in step (3), and stir for 10 minutes (5) Add PMA and TSP into the solution obtained in step (4), and continue stirring for 10 minutes (6) Add MIBK into the solution (5), adjust the viscosity of the coating - 4 cup to 25-35s, and discharge the material after the test performance is qualified according to the technical index The asphalt resistant coating is prepared from the following weight parts of raw materials: TSP is a high molecular weight solvent containing surfactant produced by Deqian company; 4050 acrylic resin produced by Gaodian Chemical Co., Ltd is used as acrylic resin; 138 amino resin produced by Aksu company is used as amino resin; D2 polyurethane resin produced by Degussa company is used as polyurethane resin; Polyester resin is prepared from the following weight parts of raw materials: (1) put the proportionally weighed phthalic anhydride, adipic acid, trimethylolpropane, neopentyl glycol and xylene into the reaction pot with water separator to raise the temperature to 110 ℃, and start stirring after the substances in the reaction pot basically melt, and then raise the temperature to 130-140 ℃ to start reflux (2) The generated water shall be continuously discharged and weighed, and the temperature shall continue to rise When the temperature reaches 190 ℃, the water shall not be discharged and the temperature shall be kept at 190-210 ℃ (3) When the solvent in the water separator is clear, measure the acid value of the polyester resin solution in the reaction pot until the acid value reaches 15-20mgkoh / g, indicating that the reaction process reaches the end point, and dilute it with propylene glycol methyl ether acetate and butyl acetate when it is cooled to 50 ℃ (4) Sampling, according to the technical indicators test performance qualified, filter out Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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