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Exterior wall emulsion paint and preparation method thereof

A latex paint and exterior wall technology, applied in latex paint, coating, etc., can solve the problems of coating cracking, poor weather resistance, poor water resistance, etc., and achieve the effect of excellent weather resistance

Inactive Publication Date: 2015-01-07
SUZHOU ZHONGLI HEAT PRESERVATION & ENERGY SAVING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the external wall latex paint on the market has the disadvantages of poor water resistance, poor weather resistance, and weak adhesion. After long-term exposure to the atmosphere, the coating is prone to cracking, peeling, powder removal, and discoloration, making it lose its original decoration. sexual and protective

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] An exterior wall latex paint, comprising the following raw materials in parts by weight: styrene-acrylic emulsion 125, hydrated magnesium silicate superfine powder 150, loess stone powder 200, titanium dioxide 50, composite nano powder 100, ethylene glycol 5, glycolaldehyde 2 , Dodecyldimethylbenzyl ammonium chloride 1, Sodium hydroxypropyl oxidized starch succinate 3, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate 4, Multifunctional additive AMP-951, dispersant HT-50005, wetting agent SF-21, thickener MS-12, polyurethane rheological agent HT-8601, defoamer HT-65200.5, water 300;

[0015] The preparation method of the composite nanopowder is as follows: first, weigh kaolin, wollastonite and hokutolite in a weight ratio of 7:5:2, mix them uniformly, place them in a hydrochloric acid solution with a concentration of 1.5mol / L, and heat them in a water bath to 80°C , keep warm for 1h, filter, wash the filter residue with distilled water until neutral, dry, calcine at 880°C...

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PUM

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Abstract

The invention discloses exterior wall emulsion paint and a preparation method thereof. The exterior wall emulsion paint is composed of the following raw materials by weight: 100-150 parts of styrene-acrylic emulsion, 120-160 parts of hydrated magnesium silicate superfine powder, 180-240 parts of sienna stone powder, 40-60 parts of titanium dioxide, 80-120 parts of composite nano powder, 3-6 parts of ethanediol, 1-3 parts of glycolaldehyde, 0.5-1.5 parts of dodecyl dimethyl benzyl ammonium chloride, 2-4 parts of sodium hydroxypropyl oxidized starch succinate, 3-5 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 0.5-1.5 parts of a multi-functional additive AMP-95, 4-6 parts of a dispersant HT-5000, 1-2 parts of a moistening agent SF-2, 2-3 parts of a thickening agent MS-1, 1-2 parts of a polyurethane rheological agent HT-860, 0.5-1 part of a defoaming agent HT-6520 and 250-350 parts of water. The exterior wall emulsion paint has excellent weather resistance, water resistance, stain resistance and adhesion resistance, does not crack, peel off, shell or change color by being exposed to air for a long time, is durable in use, is safe and non-toxic, has no pollution, and is suitable for decoration of building exterior walls.

Description

technical field [0001] The invention relates to an exterior wall latex paint and a preparation method thereof, belonging to the technical field of architectural paint. Background technique [0002] Emulsion paint for exterior walls is a kind of coating with polymer emulsion as film former, and a kind of water-based coating formulated with synthetic resin emulsion as base material, adding pigments, fillers and various additives. The main function of the exterior wall latex paint is to decorate and protect the building surface, so that the appearance of the building is neat and beautiful, so as to achieve the purpose of beautifying the urban environment, and at the same time, it can protect the exterior wall of the building and prolong its service life. At present, the external wall latex paint on the market has the disadvantages of poor water resistance, poor weather resistance, and weak adhesion. After long-term exposure to the atmosphere, the coating is prone to cracking, p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/02C09D7/12
CPCC09D125/14C08K2201/011C08K2201/014C08L2205/035C09D5/024C09D7/61C09D7/63C09D7/65C08L3/10C08L5/04C08L39/06C08L83/06C08K13/06C08K3/346C08K3/34C08K2003/385C08K3/32
Inventor 陈勇
Owner SUZHOU ZHONGLI HEAT PRESERVATION & ENERGY SAVING MATERIAL CO LTD
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