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Self-cleaning outer wall paint

An exterior wall coating and self-cleaning technology, applied in the direction of coating, etc., can solve the problems of high price and poor mechanical properties of self-cleaning coatings, and achieve the effects of excellent self-cleaning ability, good mechanical properties, excellent elasticity and elongation

Inactive Publication Date: 2017-01-04
LIUZHOU YITING TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a self-cleaning exterior wall coating, which can solve the problems of high price and poor mechanical properties in the existing self-cleaning coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The self-cleaning exterior wall paint of this embodiment is made of the following parts by weight of raw materials: 40 parts of pure acrylic emulsion, 2 parts of nano silica, 10 parts of flake mica powder, 5 parts of nano calcium carbonate, polyorganosiloxane 5 parts, thickener 0.5 parts, leveling agent 0.5 parts, organic silicon defoamer 0.1 parts, film-forming aid 0.8 parts, water 8 parts; among them, the thickener is methyl cellulose, nano silicon dioxide The particle size is 7-28nm, and the fineness of flake mica powder is 80-200 mesh.

[0013] When preparing, stir the pure acrylic emulsion, polyorganosiloxane and water at high speed for 3 hours to fully disperse them to obtain a dispersion. Stir the nano silica, flake mica powder, and nano calcium carbonate in the disperser at high speed for 3 hours. Disperse uniformly through high-speed shearing, then slowly add the dispersion under low-speed stirring, then add thickener, leveling agent, silicone defoamer and film-fo...

Embodiment 2

[0015] The self-cleaning exterior wall paint of this embodiment is made of the following parts by weight of raw materials: 46 parts of pure acrylic emulsion, 6 parts of nano silica, 8 parts of flake mica powder, 4 parts of nano calcium carbonate, polyorganosiloxane 7 parts, 1 part of thickener, 0.6 part of leveling agent, 0.2 part of organic silicon defoamer, 1.2 part of film-forming aid, 10 parts of water; among them, the thickener is methyl cellulose, nano silicon dioxide The particle size is 7-28nm, and the fineness of flake mica powder is 80-200 mesh. The preparation method is the same as in Example 1.

Embodiment 3

[0017] The self-cleaning exterior wall paint of this embodiment is made of the following parts by weight of raw materials: 50 parts of pure acrylic emulsion, 8 parts of nano silica, 6 parts of flake mica powder, 3 parts of nano calcium carbonate, polyorganosiloxane 8 parts, thickener 1.2 parts, leveling agent 0.8 parts, silicone defoamer 0.3 parts, film forming aid 1.5 parts, water 12 parts; among them, the thickener is methyl cellulose, nano silicon dioxide The particle size is 7-28nm, and the fineness of flake mica powder is 80-200 mesh. The preparation method is the same as in Example 1.

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Abstract

The invention discloses a self-cleaning outer wall paint and relates to the technical field of construction material. It is prepared from the following weight-proportioned materials: pure acrylic latex 40-50 parts, nanosilicon dioxide 2-8 parts, flake mica powder 6-10 parts, Nano Calcium carbonate 3-5 parts, polysiloxane 5-8 parts, thickening agent 0.5-1.2 parts, leveling agent 0.5-0.8 parts, organo silicone defoamer 0.1-0.3 parts, coalescing agent 0.8-1.5 parts, water 8-12 parts. The present invention solves the problems of expensive price and poor machine performance existing in self-cleaning paint.

Description

Technical field [0001] The invention relates to the technical field of building materials, in particular to a functional coating with self-cleaning effect for building exterior walls. Background technique [0002] Functional coatings are coatings with one or more functions such as waterproof, fireproof, antifouling, mildew, sterilization or high temperature resistance. It can be based on the type of base material, the type of substrate to be coated, the application object, and the effect on the environment. The principle or performance is classified. Among these functions, the antifouling function is the easiest to be inspected, and it is also an important function of paint that people attach great importance to. If the antifouling ability of the paint is poor, the surface coating of the exterior wall of the building is very easy It absorbs dust, oil and other dirt, and it is easy to breed micro-bacteria in a humid environment, leaving traces that are difficult to eliminate on th...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12
CPCC08K2201/011C08L2205/03C09D133/04C08L83/04C08L1/28C08K13/04C08K7/00C08K3/34C08K3/36C08K2003/265
Inventor 王嘉龙
Owner LIUZHOU YITING TRADE
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