Water-resistant environment-friendly waterborne coating

A water-based paint, environmental protection technology, applied in the direction of anti-corrosion paint, polyurea/polyurethane paint, coating, etc., can solve the problems of water-based paint water resistance and environmental protection performance are not too high, to increase coating adhesion and corrosion resistance, Increase mechanical properties, increase mechanical properties and decorative effects

Active Publication Date: 2017-02-22
安徽琮玥工程项目管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complicated repair process and long construction period, it is best to complete the repair work at one time. In order to avoid the long-term erosion of rainwater and cause multiple repairs in the later stage, it is best to use water-resi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Example 1

[0019] A water-resistant and environmentally friendly water-based paint, the raw materials of which by weight include: 100 parts of modified polyurethane emulsion, 17 parts of pigments, 14 parts of fillers, 3 parts of dodecyl alcohol ester, 3 parts of glyceryl tristearate, and 0.3 parts of leveling agent. Parts, 0.04 parts of defoamer, 0.2 parts of wetting agent wet265, 0.5 parts of hydroxyethyl cellulose, 0.9 parts of vinyl trimethoxysilane, 0.3 parts of anti-mold agent, 12 parts of water.

Example Embodiment

[0020] Example 2

[0021] A water-resistant and environmentally friendly water-based paint, the raw materials of which include 90 parts by weight of modified polyurethane emulsion, 20 parts of pigments, 13 parts of fillers, 4 parts of dodecyl alcohol ester, 2 parts of glyceryl tristearate, and 0.4 parts of leveling agent. Parts, 0.03 parts of defoamer, 0.1 parts of wetting agent wet265, 0.6 parts of hydroxyethyl cellulose, 0.8 parts of vinyl trimethoxysilane, 0.4 parts of anti-mold agent, 10 parts of water;

[0022] Among them, in the preparation process of the modified polyurethane emulsion, in a nitrogen atmosphere, the tung oil, glycerol, and sodium methoxide are mixed uniformly, heated, kept warm and stirred, and purified to obtain the tung oil-based diol; in a nitrogen atmosphere, the N- Methylpyrrolidone, isophorone diisocyanate, dimethylolpropionic acid, polyethylene glycol 1000, stannous octoate, mix well, heat up, keep warm and stir, add γ-aminopropyltriethoxysilane modifi...

Example Embodiment

[0023] Example 3

[0024] A water-resistant and environmentally friendly water-based paint, the raw materials of which include 110 parts by weight of modified polyurethane emulsion, 15 parts of pigments, 15 parts of fillers, 2 parts of dodecyl alcohol ester, 4 parts of glyceryl tristearate, and leveling agent 0.2 Parts, defoamer 0.05 parts, wetting agent wet265 0.3 parts, hydroxyethyl cellulose 0.4 parts, vinyl trimethoxysilane 1 part, anti-mold agent 0.2 parts, water 15 parts;

[0025] Among them, the filler is composed of diatomaceous earth and negative ion powder, wherein the weight ratio of diatomaceous earth and negative ion powder is 4:1;

[0026] In the preparation process of the modified polyurethane emulsion, in a nitrogen atmosphere, mix the tung oil, glycerol and sodium methoxide evenly, heat up to 190℃, keep stirring for 6h, add sodium chloride aqueous solution to wash, stand for stratification, and take the upper layer Adjust the temperature to 40℃, vacuum dry the solut...

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PUM

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Abstract

The invention discloses a water-resistant environment-friendly waterborne coating. The water-resistant environment-friendly waterborne coating comprises, by weight, 90-110 parts of modified polyurethane emulsion, 15-20 parts of pigment, 13-15 parts of filler, 2-4 parts of C-12 alcohol ester, 2-4 parts of tristearin, 0.2-0.4 part of flatting agent, 0.03-0.05 part of antifoaming agent, 0.1-0.3 part of wetting agent, 0.4-0.6 part of hydroxyethyl cellulose, 0.8-1 part of vinyl trimethoxy silane,0.2-0.4 part of mildew preventive and 10-15 parts of water. The water-resistant environment-friendly waterborne coating has the advantages of high resistance to water and corrosion, environmental friendliness and excellent anti-ultraviolet performance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-resistant and environment-friendly water-based coating. Background technique [0002] Ancient buildings have extremely high historical, scientific and artistic value. If they are destroyed, they cannot exist anymore; and ancient buildings are old and will inevitably be damaged by nature or man-made. Therefore, we need to repair and maintain ancient buildings . Coatings are often used in the process of repairing ancient building rooms, door walls, inner and outer eaves, palms, floors, and walls. Due to the complicated repair process and long construction period, it is best to complete the repair work at one time. In order to avoid the long-term erosion of rainwater and cause multiple repairs in the later stage, it is best to use water-resistant and environmentally friendly water-based paint, but it is currently used in ancient buildings. The water resistance and environ...

Claims

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Application Information

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IPC IPC(8): C09D175/08C09D5/08C09D7/12C08G18/08C08G18/34C08G18/36C08G18/48C08G18/66
CPCC08G18/0823C08G18/348C08G18/36C08G18/4833C08G18/6696C08G2150/90C08L2201/08C09D5/08C09D7/61C09D7/62C09D7/65C09D175/08C08L1/284C08K13/06C08K9/06C08K2003/2241C08K5/103C08K5/5425C08K3/34
Inventor 樊世新
Owner 安徽琮玥工程项目管理有限公司
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