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Water-resistant ceramic-like internal wall decorative paint and preparation method thereof

A technology for decorative coatings and interior walls, applied in coatings and other directions, can solve the problems of easy bubbling and peeling, poor scraping performance, poor water resistance, etc., to achieve not easy to sag, improve waterproof performance, improve stain resistance and water resistance performance effect

Inactive Publication Date: 2017-06-27
ZHEJIANG COLLEGE OF CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The imitation porcelain coating has the following defects: (1) the coating has poor scraping performance and is prone to sagging; (2) it contains titanium dioxide and whitening agents, and the cost is high; (3) the water resistance is poor, and after contacting with water Very easy to bubble and peel off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Put 80kg of formaldehyde in the reaction kettle, heat and stir to 40°C, then add 30kg of urea in two times, heat and stir for 30 minutes, then add 35kg of hydrochloric acid, and finally add sodium hydroxide solution to neutralize to pH 8, After cooling down, the urea-formaldehyde resin is obtained and is ready for use.

[0038] (2) According to 40kg acrylic silicon emulsion, 10kg urea-formaldehyde resin, 5kgVAE redispersible latex powder, 10kg nano-kaolin, 5kg magnesium oxide, 5kg magnesium chloride, 5kg tea saponin, 20kg wollastonite powder, 10kg Shuangfei powder, 5kg sodium silicate, 1.5kg sodium hexametaphosphate, 1kg hydroxyethyl cellulose, 2kg Texanol ester alcohol, 3kg sodium hydroxide, 15kg quicklime, 5kg water weight ratio After weighing each component, mix water, VAE redispersible latex powder and silicon After the limestone powder is mixed, it is fully ground to obtain an abrasive.

[0039] (3) In the state of stirring, add the remaining components into t...

Embodiment 2

[0041] (1) Put 70kg of formaldehyde in the reaction kettle, heat and stir to 30°C, add 25kg of urea in two times, heat and stir for 20 minutes, add 30kg of hydrochloric acid, and finally add sodium hydroxide solution to neutralize to pH 7, After cooling down, the urea-formaldehyde resin is obtained and is ready for use.

[0042] (2) According to 30kg acrylic silicon emulsion, 5kg urea-formaldehyde resin, 3kgVAE redispersible latex powder, 5kg nano kaolin, 1kg magnesium oxide, 1kg magnesium chloride, 3kg tea saponin, 15kg wollastonite powder, 5kg double fly powder, 3kg sodium silicate, 1kg sodium hexametaphosphate, 0.5kg hydroxyethyl cellulose, 1kg Texanol ester alcohol, 1kg sodium hydroxide, 10kg quicklime, 20kg water weight ratio After weighing each component, mix water, VAE redispersible latex powder and silicon After the limestone powder is mixed, it is fully ground to obtain an abrasive.

[0043] (3) In the state of stirring, add the remaining components into the grinding...

Embodiment 3

[0045] (1) Put 75kg of formaldehyde in the reaction kettle, heat and stir to 35°C, then add 28kg of urea in two times, heat and stir for 25 minutes, then add 32kg of hydrochloric acid, and finally add sodium hydroxide solution to neutralize to pH 7.5, After cooling down, the urea-formaldehyde resin is obtained and is ready for use.

[0046] (2) According to 35kg acrylic silicon emulsion, 7kg urea-formaldehyde resin, 4kgVAE redispersible latex powder, 8kg nano kaolin, 2kg magnesium oxide, 3kg magnesium chloride, 4kg tea saponin, 18kg wollastonite powder, 7kg double fly powder, 4kg sodium silicate, 1.2kg sodium hexametaphosphate, 0.8kg hydroxyethyl cellulose, 1.2kg Texanol ester alcohol, 2kg sodium hydroxide, 12kg quicklime, 22kg water weight ratio After weighing each component, water, VAE redispersible latex powder and wollastonite powder are mixed and then fully ground to obtain abrasives.

[0047] (3) In the state of stirring, add the remaining components into the grinding m...

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PUM

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Abstract

The invention discloses a water-resistant ceramic-like internal wall decorative paint which is prepared from the following components in parts by weight: 30-40 parts of silicone acrylic emulsion, 5-10 parts of urea-formaldehyde resin, 3-5 parts of VAE (vinyl acetate-ethylene) redispersible latex powder, 5-10 parts of nano kaolin, 1-5 parts of magnesium oxide, 1-5 parts of magnesium chloride, 3-5 parts of tea saponin, 15-20 parts of wollastonite powder, 5-10 parts of heavy calcium carbonate powder, 3-5 parts of sodium silicate, 1-1.5 parts of sodium hexametaphosphate, 0.5-1 part of hydroxyethyl cellulose, 1-2 parts of Texanol ester alcohol, 1-3 parts of sodium hydroxide, 10-15 parts of quicklime and 20-25 parts of water. The water-resistant ceramic-like internal wall decorative paint has the advantages of reasonable and scientific formula design, low cost, no toxicity, high safety, favorable smoothness, excellent water resistance and no sag after scratching. The invention also discloses a preparation method of the water-resistant ceramic-like internal wall decorative paint. The method has the advantages of simple processing steps and stable and controllable process, and is easy to implement and suitable for industrial production.

Description

technical field [0001] The invention relates to an interior wall paint, in particular to a water-resistant imitation porcelain interior wall decorative paint and a preparation method thereof. Background technique [0002] Porcelain-like coatings use batch scraping technology instead of traditional brushing technology to make the surface of the coating smooth and dense, and the reflectivity is greatly improved. It looks like porcelain, and has the advantages of low cost and good decorative effect, so it is quickly promoted throughout the country. However, the current imitation porcelain interior wall decoration paint has poor water resistance, and it is easy to bubble and peel off after contacting with water. At the same time, it is easy to sag under gravity after scraping, resulting in a thinner top and a thicker construction, which limits its application. Scope, this is an urgent problem that the architectural coatings industry needs to solve. [0003] For example, the Chi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D161/24C09D131/04C09D7/12
CPCC08K2201/011C08K2201/014C08L2205/035C09D143/04C09D7/61C09D7/63C09D7/65C08L61/24C08L31/04C08K13/02C08K3/346C08K2003/222C08K2003/166C08K3/34C08K2003/2206
Inventor 陈文芳
Owner ZHEJIANG COLLEGE OF CONSTR
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