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Elastic emulsion used in transparent elastic putty, and preparation method thereof

A transparent elastic and elastic emulsion technology, applied in the direction of filling slurry, etc., can solve problems such as cracking, hollowing, loss of decorative effect, etc.

Inactive Publication Date: 2013-08-07
张家港市创成纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the modern decoration process, the method of pasting tape is often used to deal with the joints, but this kind of pasting tape is prone to "hollowing" and "cracking", and it will also damage the latex paint film, thus losing its decorative effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Weigh 110 parts of methyl methacrylate; 220 parts of butyl acrylate; 5 parts of methacrylic acid; 15 parts of emulsifier; 1.0 parts of ammonium persulfate; 0.5 parts of sodium acetate; ; Proper amount of defoamer.

[0011] Add part of deionized water, emulsifier and sodium acetate into a container equipped with a condenser, agitator, etc., stir to raise the temperature, dissolve into a transparent clear liquid, raise the temperature to 90°C±1°C, add 5% emulsion, and add formazan after 1min. After the addition of methyl acrylate, butyl acrylate, and methacrylic acid, keep warm for 1 hour to eliminate residual monomers, cool to below 50°C, add ammonia water to adjust the pH to 7~8, stir for 2 minutes, add defoamer and stir for more than 10 minutes , cooled to 40°C, filtered, discharged, and packaged.

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PUM

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Abstract

The invention relates to an elastic emulsion used in transparent elastic putty, and a preparation method thereof. The elastic emulsion is mainly composed of methyl methacrylate, butyl acrylate, methacrylic acid, an emulsifier, ammonium persulfate, sodium acetate, ammonia water, deionized water, a defoaming agent, and the like. When the elastic emulsion is prepared into the transparent elastic putty, no polishing is needed after construction. The surface of the putty is smooth and flat, and tensile strength is high. With the transparent elastic putty, substrate seamless treatment can be realized.

Description

technical field [0001] The invention relates to an elastic emulsion for transparent elastic putty and a preparation method thereof, belonging to the field of building materials. Background technique [0002] Due to the uneven settlement of the foundation, the thermal expansion and contraction of the base material with high and low temperature changes, and the vibration of the vibration source, cracks in the base material of the building wall occur. Some of these cracks appear on the surface of the substrate, and some go deep into the entire wall. These cracks destroy the latex paint film painted on the surface of the substrate, thereby losing the decorative effect and the protection of the wall. [0003] In the process of modern decoration, the method of pasting tape is often used to deal with the joints, but this kind of pasting tape is prone to "hollowing" and "cracking", and it will also damage the latex paint film, thus losing its decorative effect. Contents of the inv...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/14C08F220/06C08F2/24C09D5/34
Inventor 陈宗达
Owner 张家港市创成纺织有限公司
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