High-efficiency antifouling antibacterial exterior wall coating and preparation method thereof

An exterior wall coating and antifouling technology, applied in the field of coatings, can solve the problems of reducing the service life of buildings, affecting the aesthetics of building decoration, easy cracking and peeling of coatings, etc., to improve film quality, good gloss and decorative properties. strong effect

Active Publication Date: 2013-10-16
CHUZHOU MAISITE NEW BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the acrylic paints currently on the domestic market have disadvantages such as low gloss, poor adhesion, poor cold resistance, intolerant to water, water vapor, acid and alkali, salt solutions and organic polar solvents, poor elasticity at room temperature, and poor wear resistance. Hig

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of high-efficiency antifouling and antibacterial exterior wall paint, it is made up of the raw material of following parts by weight (kg):

[0017] Water-based acrylic emulsion 90, styrene-acrylic emulsion 20, vermiculite powder 40, barite powder 15, 5-chloro-2-methyl-4-isothiazolin-3-one 2, butyl methacrylate 2, aluminum nitride 2 , Sodium Alkylbenzene Sulfonate 2, Diethanolamide Cocoate 0.3, Diethylene Triamine 1, Tungsten Boride 1, Anilinomethyltriethoxysilane 0.7, Polyoxyethylene Polyoxypropanolamine Ether 0.2, Coating aid 5, deionized water 30;

[0018] Described film-forming aid is made up of the raw material of following weight part:

[0019] Nano silica 40, polyvinyl alcohol 6, vinyl triethoxysilane 10, alkylphenol polyoxyalkylene ether 0.8, styrene-acrylic emulsion 3, nano carbon 2;

[0020] Add polyvinyl alcohol to 5 times of water, heat to 100°C with steam, stir to dissolve, add styrene-acrylic emulsion, lower the temperature to 70°C, stir at constan...

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PUM

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Abstract

The invention provides an exterior wall coating which is composed of the following raw materials in parts by weight: 86-90 parts of water-based acrylic emulsion, 15-20 parts of styrene-acrylic emulsion, 30-40 parts of vermiculite powder, 10-15 parts of barite powder, 1-2 parts of 5-chloro-2-methyl-4-isothiazolin-3-ketone, 2-3 parts of butyl methacrylate, 2-3 parts of aluminium nitride, 1-2 parts of sodium alkylbenzene sulfonate, 0.3-1 part of coco fatty acid diethanol amide, 1-2 parts of diethylene triamine, 1-2 parts of tungsten boride, 0.7-1 part of anilmomethyl triethoxy silane, 0.1-0.2 part of polyoxyethylenepolyoxypropylene ether, 3-5 parts of coalescing agent and 10-30 parts of deionized water. The coating provided by the invention has the advantages of low raw material loss, low gel production, simple process, hard coating film, good glossiness, strong impact resistance, low cracking rate, soft texture, excellent decorative property, high weather resistance, good scrubbing resistance, high adhesion force and long service life; and the coating is free of special smell, and contains no heavy metals such as mercury and lead and also contains no formaldehyde volatile, and thus meets the technical requirements of an environment-friendly coating.

Description

technical field [0001] The invention mainly relates to a paint, in particular to a high-efficiency antifouling and antibacterial exterior wall paint and a preparation method thereof. Background technique [0002] In recent years, with the improvement of people's living standards and the continuous development of society, people have paid more and more attention to the choice of architectural decorative coatings. The simpler the construction requirements for coatings, the better. Especially for exterior wall coatings, it has not only stayed The most basic protection of the substrate puts forward higher requirements for the decorative effect of the coating. The exterior wall coating requires water resistance and self-cleaning properties. The paint film must be hard and smooth, and the dirt will fall off as soon as it is washed. . [0003] However, the acrylic paints currently on the domestic market have disadvantages such as low gloss, poor adhesion, poor cold resistance,...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D5/16C09D5/14C09D7/12
Inventor 魏明
Owner CHUZHOU MAISITE NEW BUILDING MATERIAL
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