Waterproof and weather-resistant two-component exterior wall emulsion paint with simple construction technology

A construction process, two-component technology, applied in latex paint, coating, construction, etc., can solve the problems of hydrophobicity, poor acid and alkali resistance, etc., and achieve the effect of good film-forming performance, high toughness and high hardness

Inactive Publication Date: 2019-04-05
SHAOGUAN HEZHONG CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But, because this invention adopts vinyl acetate homopolymer emulsion as film-forming material, hydrophobic performance, acid and alkali resistance are slightly poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of aqueous fluorocarbon resin dispersion M is prepared by the following method:

[0023] In parts by weight, first, 34 parts of heptafluoro-n-pentene, 12 parts of perfluoroisobornyl acrylate, 11 parts of hydroxypropyl acrylate, 7 parts of 4,4,4-trifluorobutenoic acid, 3 parts of peroxide Add tert-butyl neodecanoate and 2 parts of mercaptoethanol into the mixing kettle, mix evenly, and it is the dripping liquid, and set aside; under the condition of nitrogen, add 32 parts of propylene glycol monobutyl ether into the reaction kettle, and then heat to 115 ℃, slowly add the solution to the reaction kettle dropwise, after 4.5h, the dropwise addition is completed, and the reaction is kept for 2.5h; then 0.3 parts of tert-butyl peroxyneodecanoate are added at 115°C, and the heat preservation is continued for 1h; the temperature is lowered to 60°C, and the Among them, 12 parts of dimethylethanolamine are added dropwise until the pH of the system is 8; the solvent and imp...

Embodiment 2

[0025] A waterproof and weather-resistant two-component exterior wall latex paint with simple construction technology is characterized in that it is composed of two components A and B, and in parts by weight, component A is composed of; water-based fluorocarbon resin dispersion M36 parts, composition Membrane aid 2,2,4-trimethyl-1,3-pentanediol diisobutyrate 3 parts, BYK-381 leveling agent 0.5 parts, thickener carboxymethyl cellulose 0.18 parts, wetting 0.7 parts of dispersant TEGO760W, 0.28 parts of BYK-038 defoamer, 0.22 parts of Kasone isothiazolinone, 32 parts of talcum powder, and 18 parts of water; component B consists of: tetraisopropylbis(dioctylphosphite Acyloxy) titanate 4 parts, perhydropolysilazane 1.7 parts.

Embodiment 3

[0027] A waterproof and weather-resistant two-component exterior wall latex paint with simple construction technology is characterized in that it is composed of two components A and B. In parts by weight, component A is composed of; water-based fluorocarbon resin dispersion M35 parts, two parts 1 part of hydroxy n-butyl ether, 1.0 part of BYK-333 leveling agent, 0.3 part of non-ionic polyurethane associative thickener, 0.5 part of TEGO 715W wetting and dispersing agent, 0.25 part of BYK-035 defoamer, isothiazole 0.25 parts of ketone, 40 parts of aluminum tripolyphosphate, and 15 parts of water; component B is composed of: 2 parts of isopropoxy tristearate titanate, and 3 parts of perhydropolysilazane.

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PUM

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Abstract

The invention relates to waterproof and weather-resistant two-component exterior wall emulsion paint with a simple construction technology. The waterproof and weather-resistant two-component exteriorwall emulsion paint is characterized by comprising a component A and a component B, wherein the component A comprises, by weight, 35-40 parts of water-based fluorocarbon resin dispersion, 1-5 parts ofcoalescing agents, 0.3-1.0 part of leveling agents, 0.1-0.3 part of thickening agents, 0.5-1 part of wetting dispersants, 0.25-0.30 part of defoaming agents, 0.20-0.25 part of sterilizing agents, 25-40 parts of pigments and fillers and 15-20 parts of water, and the component B comprises, by weight, 2-5 parts of titanate coupling agents and 1-3 parts of perhydropolysilazane. The waterproof and weather-resistant two-component exterior wall emulsion paint has high hardness and better acid resistance, hydrophobic and waterproof properties, ultraviolet resistance and dirt-removing power and is more applicable to engineering with high construction requirements and more severe environments.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and relates to a waterproof and weather-resistant two-component latex paint for exterior walls with simple construction technology. Background technique [0002] Exterior wall paint, also called exterior wall paint, is generally used for exterior walls, and can also be used in high-humidity places such as toilets. There are many types of exterior wall coatings, which can be divided into strong acid and alkali resistant exterior wall coatings, pure acrylic elastic exterior wall coatings, silicone self-cleaning elastic exterior wall coatings, advanced acrylic exterior wall coatings, and oily fluorocarbon coatings. Among them, pure acrylic elastic exterior wall coatings and high-grade acrylic exterior wall coatings have the disadvantages of waterproofing, easy aging of the paint film, and discoloration. Silicone self-cleaning elastic exterior wall coatings have the disadvantages of lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D5/02C09D7/61C09D7/63C09D7/00E04F13/02C08F214/18C08F220/24C08F220/20
CPCC08F214/182C08F220/20C08F220/24C09D5/02C09D5/024C09D7/00C09D127/12E04F13/02C08L1/286C08K13/02C08K5/103C08K3/34
Inventor 谢义鹏康伦国姚东生
Owner SHAOGUAN HEZHONG CHEM CO LTD
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