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Preparation method of light-resistant acrylic resin paint

An acrylic and resin coating technology, applied in the coating and other directions, can solve the problems of high odor, easy volatilization toxicity, human body harm, etc., achieve good compatibility, improve adhesion and light resistance, and improve bonding strength. Effect

Inactive Publication Date: 2014-07-16
成都釉姿润科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The monomers for preparing acrylic paints are methyl methacrylate, ethyl acrylate, butyl acrylate, etc., but these monomers are easy to volatilize and have strong toxicity, which will cause It is harmful to the human body and has a strong smell, so it is necessary to find its substitute

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] (1) Take 5g of corn starch in a 500ml three-necked flask equipped with a thermometer and a stirring device, add 95ml of distilled water, stir and gelatinize in an oil bath at 75°C for 30min, and the speed of the electric mixer is 100r / min;

[0024] (2) Take 0.4g of sodium lauryl sulfate (dissolved in 10ml of warm water), add it to the gelatinized cornstarch, and emulsify for 20min to obtain a cornstarch emulsion;

[0025] (3) After the system is emulsified, adjust the temperature to 80°C, add 0.2g of lactate dehydrogenase (dissolved in 10ml of distilled water) to trigger the cornstarch breaking reaction for 30min; add 15g of ethyl acrylate and methyl methacrylate to the obtained product 5g of ester and mixed evenly, poured into a constant pressure separatory funnel, added dropwise for 1h, reacted for 2.5h, weighed 0.2g ammonium persulfate (dissolved in 10ml distilled water), added and continued to react for 1.5h, added 2.0g hydrogen peroxide, reacted for 2h, Add 0.5g of...

example 2

[0027] (1) Take 5g of cornstarch in a 500ml three-neck flask equipped with a thermometer and a stirring device, add 100ml of distilled water, stir and gelatinize in an oil bath at 75°C for 30min, and the speed of the electric mixer is 150r / min;

[0028] (2) Take 0.5g of sodium lauryl sulfate (dissolved in 10ml of warm water, which is difficult to dissolve), add it to the gelatinized cornstarch, and emulsify for 50min to obtain a cornstarch emulsion;

[0029] (3) After the system is emulsified, adjust the temperature to 80°C, add 0.3g of desmoteplase (dissolved in 10ml of distilled water), and trigger the reaction of corn starch for 30min; add 16g of butyl acrylate and methyl methacrylate to the obtained product 4g and 5g of styrene and mixed evenly, poured into a constant pressure separatory funnel, added dropwise for 1h, reacted for 2.5h, weighed 0.1g ammonium persulfate (dissolved in 10ml distilled water), added to continue the reaction for 1.5h, added 2.0g hydrogen peroxide,...

example 3

[0031] (1) Take 5g of cornstarch in a 500ml three-necked flask equipped with a thermometer and a stirring device, add 98ml of distilled water, stir and gelatinize in an oil bath at 75°C for 30min, and the speed of the electric mixer is 100r / min;

[0032] (2) Take 0.45g of sodium dodecylbenzenesulfonate (dissolved in 10ml of distilled water), add it to the gelatinized cornstarch, and emulsify for 35min to obtain a cornstarch emulsion;

[0033] (3) After the system is emulsified, adjust the temperature to 80°C, add 0.15g of lactate dehydrogenase (dissolved in 10ml of distilled water), and trigger the reaction of corn starch for 30min; add 17g of butyl acrylate and methyl methacrylate to the obtained product 5.5g and mix evenly, pour into a constant pressure separatory funnel, add dropwise for 1h, react for 2.5h, weigh 0.1g ammonium persulfate (dissolved in 10ml distilled water), add and continue to react for 1.5h, add 2g hydrogen peroxide, react for 2h, add Mix 0.5g of tricolor ...

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Abstract

The invention relates to a preparation method of light-resistant acrylic resin paint, which comprises the following steps of (1) adding corn starch and distilled water to a container having a stirring device, stirring and pasting; (2) adding an emulgator to the pasted corn starch for an emulsion reaction to obtain corn starch emulsion; (3) adding a catalyst to the corn starch emulsion to induce the breakage reaction of the corn starch; and (4) sequentially dropwise adding acrylic monomers in the product obtained in the step (3), adding a proper amount of distilled water to dissolve an inductor A, hydrogen peroxide, trichromatic phosphor and a light-resistant material. According to the invention, starch is hydrolyzed by adopting an enzyme catalyst to form a compound with a double bond, then the compound with the double bond is polymerized with the acrylic monomers, and the caking property and light resistance of the acrylic resin are further improved under the action of the light-resistant material.

Description

[0001] technical field [0002] The invention relates to a preparation method of an acrylic resin coating, in particular to a preparation method of a light-resistant acrylic resin coating. Background technique [0003] Coatings and paints sprayed on the surface of internal and external walls, furniture, and metal appliances are in direct or indirect contact with humans all the time, and the toxic and harmful paints are always threatening people's health. On the other hand, because the places used are often exposed to sunlight, and the sunlight contains a large amount of ultraviolet light harmful to colored objects, with a wavelength of about 290-460nm, these harmful ultraviolet light will change the color of the paint through redox. [0004] The monomers for preparing acrylic finishing agents are methyl methacrylate, ethyl acrylate, butyl acrylate, etc., but these monomers are easy to volatilize and have strong toxicity, which will cause harm to the human body and have a s...

Claims

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Application Information

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IPC IPC(8): C09D151/02C09D7/12C08F251/00
Inventor 段宝荣赵志昌耿晓宇刘永林王全杰
Owner 成都釉姿润科技有限公司
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