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Water-in-water coating for decorative external wall and preparation method thereof

A water-in-water coating technology, applied in the field of coatings, can solve problems such as poor coating film quality, achieve good decoration, improve dispersion performance, and high-quality effects

Inactive Publication Date: 2019-06-28
朱进平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Silicone acrylic coating film not only has good weather resistance, but also has good water resistance, but even if the water-resistant silicone acrylic emulsion is used to prepare water-based coatings, there are still defects such as poor coating quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A water-in-water coating for decorative exterior walls, which is composed of the following raw materials in parts by weight:

[0025] Silicone acrylic emulsion 180, butyltin mercaptide 1, 2,6-di-tert-butyl p-cresol 3, ethoxylated alkyl ammonium sulfate 4, propylene oxide 4, catalyst 0.01, calcium zeolite emulsion 40.

[0026] Described catalyzer is triethylamine.

[0027] The calcium zeolite emulsion is made up of the following raw materials in parts by weight:

[0028] Stearic acid 7, calcium zeolite 30, sorbitan monooleate 1, acrylamide 30, ammonium persulfate 0.8, cyanopropyl methylcellulose 2, dodecyl primary amine 5.

[0029] The preparation method of described calcium zeolite emulsion, comprises the following steps:

[0030] (1) Take calcium zeolite, soak it in 0.5mol / l sodium hydroxide solution for 2 hours, take it out, wash it with water, dry it, grind it into fine powder, add oleic acid, put it into an oven, and keep it warm at 180°C for 1 hour , discharging...

Embodiment 2

[0040] A water-in-water coating for decorative exterior walls, which is composed of the following raw materials in parts by weight:

[0041] Silicone acrylic emulsion 200, butyltin mercaptide 2, 2,6-di-tert-butyl p-cresol 4, ethoxylated alkyl ammonium sulfate 6, propylene oxide 5, catalyst 0.02, calcium zeolite emulsion 50.

[0042] Described catalyzer is triethylamine.

[0043] The calcium zeolite emulsion is made up of the following raw materials in parts by weight:

[0044] Stearic acid 9, calcium zeolite 40, sorbitan monooleate 2, acrylamide 40, ammonium persulfate 1, cyanopropyl methylcellulose 4, dodecyl primary amine 8.

[0045] The preparation method of described calcium zeolite emulsion, comprises the following steps:

[0046] (1) Take calcium zeolite, soak it in 1oml / l sodium hydroxide solution for 3 hours, take it out, wash it with water, dry it, grind it into fine powder, add oleic acid, put it into an oven, and keep it warm at 220°C for 2 hours, The discharged ...

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PUM

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Abstract

The invention discloses a water-in-water coating for a decorative external wall. The water-in-water coating contains the following raw materials in parts by weight: 180-200 parts of an silicone acrylic emulsion, 1-2 parts of tin butyl thiolate, 3-4 parts of 2,6-di-tert-butyl-p-cresol, 4-6 parts of ethoxylated ammonium alkyl sulfate, 4-5 parts of epoxypropane, 0.01-0.02 part of a catalyst and 40-50parts of a scolecite emulsion. By utilizing scolecite as a raw material, the finished product coating has a certain adsorptive property and is good in decorating property and high in quality.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a water-in-water coating for decorative exterior walls and a preparation method thereof. Background technique [0002] Water-in-water paint is a multi-phase suspension system. The dispersed phase of the paint is composed of water-based resin, protective colloid and various colorants, and the continuous phase is composed of protective colloid solution and emulsion. The coating is applied by spraying, and the coating film can present a variety of patterns after drying. The image is lifelike and the appearance is similar to granite, so it is also called liquid granite or imperial color stone coating. It has become a hot product in the field of building exterior wall decoration because of its excellent decoration, environmental protection and safety, simple construction technology, energy saving, and high cost performance; [0003] In water-in-water coatings, the film-forming substance as th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/16C09D7/62
Inventor 不公告发明人
Owner 朱进平
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