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Preparation method of self-cleaning building coating

An architectural coating and self-cleaning technology, applied in the field of preparation of self-cleaning architectural coatings, can solve the problems of poor self-cleaning function and no self-cleaning effect, etc.

Inactive Publication Date: 2020-01-21
湖南贵都建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned technology of water-based coatings has at least the following problems: it does not have long-term self-cleaning effect, and the self-cleaning function is poor

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0016] The invention provides a kind of preparation method of self-cleaning architectural paint, and the invention provides that this method comprises the steps:

[0017] Step S1, pour 15-18 parts of methyl methacrylate, 5-7 parts of butyl acrylate, 0.2-0.5 parts of hydroxyethyl acrylate and 65-80 parts of deionized water into the reaction bottle by weight ratio, and heat to 70 stirring evenly under the condition of ℃-75℃ to obtain the first mixture;

[0018] Pour 40-55 parts of water-soluble acrylic resin, 0.5-5 parts of curing agent and 0.1-1 part of surfactant into a reaction bottle, stir and mix evenly to make the second mixture B; wherein, the surfactant is cationic Type surfactant and anionic surfactant are mixed at a ratio of 1:1.2; wherein, the curing agent is amino resin.

[0019] Pour 3-5 parts of nano-titanium dioxide and 0.7-0.8 parts of initiator into a reaction bottle, stir and mix evenly to prepare a third mixture, wherein the initiator is ammonium persulfate. ...

Embodiment 1

[0022] The following components are included by weight ratio: 40 parts of water-soluble acrylic resin, 0.5 part of curing agent, 0.1 part of surfactant, 3 parts of nano titanium dioxide, 15 parts of methyl methacrylate, 5 parts of butyl acrylate, 0.2 parts of hydroxyethyl acrylate parts, 0.7 parts of initiator, 65 parts of deionized water.

Embodiment 2

[0024] The following components are included by weight ratio: 55 parts of water-soluble acrylic resin, 5 parts of curing agent, 1 part of surfactant, 5 parts of nano-titanium dioxide, 18 parts of methyl methacrylate, 7 parts of butyl acrylate, 0.5 parts of hydroxyethyl acrylate parts, 0.8 parts of initiator, and 80 parts of deionized water.

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PUM

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Abstract

The invention discloses a preparation method of a self-cleaning building coating. The preparation method comprises the following steps: preparing raw materials according to a weight ratio to prepare afirst mixture, a second mixture and a third mixture; mixing the first mixture and 55-60 wt% of the third mixture to prepare an emulsion, stirring the emulsion for 10-15 minutes at 35-38 DEG C to prepare an emulsion, adding the rest of the third mixture, and uniformly stirring the emulsion at room temperature; and cooling the emulsion to room temperature, adjusting the pH value of the emulsion to7-7.5 by using a pH regulator, adding the second mixture, and fully and uniformly stirring the mixture to obtain the self-cleaning building coating. Compared with the prior art, the self-cleaning building coating prepared through the preparation method of the self-cleaning building coating is environmentally friendly and good in self-cleaning performance.

Description

【Technical field】 [0001] The invention belongs to the technical field of building materials, and in particular relates to a preparation method of self-cleaning architectural paint. 【Background technique】 [0002] As one of the most commonly used building materials, paint is a general term for a class of liquid or solid materials that can form a solid coating film with protection, decoration or special properties (such as insulation, anti-corrosion, signs, etc.) when applied to the surface of an object. Including paint, water-based paint, wood paint, powder coating, wood wax oil, essential for house decoration. [0003] At present, more and more exterior walls are also painted with paint to prevent the tiles from falling after being pasted for a long time, causing personal injury. However, most of the paints currently used in mass production on the market are solvent-based, containing a large amount of volatile organic solvents, which not only pollute the environment and was...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D133/12C09D7/61C09D7/65C09D5/16C08F220/14C08F220/18C08F220/20
CPCC09D133/04C09D5/1662C09D5/1687C08F220/14C08K2201/011C08K2003/2241C08L33/066C08L61/20C08K3/22
Inventor 罗一峰蔡治平潘存斌
Owner 湖南贵都建材有限公司
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