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Synthesizing method for confecting inner-outer wall coating water-proof stain-resistant latex

A synthesis method, technology for interior and exterior walls, applied in antifouling/underwater coatings, biocide-containing paints, etc., and can solve problems such as poor waterproof and fouling resistance

Inactive Publication Date: 2008-01-02
TIANJIN ZHENDONG PAINTS CO LTD
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Water-based emulsion has good environmental protection, but poor waterproof and stain resistance

Method used

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Embodiment

[0006] Embodiment: A kind of synthetic method of preparing interior and exterior paint waterproof and stain-resistant emulsion, 1 part of 0.3% sodium bicarbonate is added into 10 parts of 42% deionized water to dissolve, and 1 part of 0.4% ammonium persulfate is dissolved in 15 parts of water, 1.5% nano-SiO 2 , 1.2% Nano TiO 2 The powder is dispersed with 1 to 10 parts of water at a high speed of 3000-4000 rpm for 1-2 hours, 1 part of 0.5% tert-butyl hydroperoxide is dissolved in 10 parts of water, and 1 part of 0.5% sodium formaldehyde sulfoxylate is dissolved in In 10 parts of water, add various emulsifiers accounting for 2 / 3 of the total amount into 45% deionized water and stir evenly, then slowly add 22% butyl acrylate, 22% methyl methacrylate, 1% methacrylic acid , N-methylolacrylamide, 4.1% vinyltriethoxysilane A-151, add it and stir evenly to make a pre-emulsion, add it to a four-necked bottle equipped with a condenser, agitator, thermometer, etc. Stir the remaining d...

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PUM

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Abstract

The invention discloses a method for synthesizing the water resistance antibiotic emulsion of inner or exterior wall paint, which comprises the following steps: dissolving sodium carbonate decahydrate in the water; dissolving the ammonium peroxodisulfate with the water; dispersing the nanometer powder with the water; dissolving the tert-butyl hydroperoxide with the water; dissolving sodium formaldehyde sulfoxylate in the water; adding various emulsifier in the deionized water; getting preemulsion by adding butyl acrylate, ethyl acrylate, methyl methacrylate and N-methylol acrylamide and mixing; adding the nanometer material after adding the rest water, emulsifier and sodium carbonate decahydrate solution in the bottle and mixing; heating; adding the preemulsion and initiating agent solution; dropping the rest preemulsion and initiating agent solution after reacting; keeping the temperature; reducing the temperature; adding tert-butyl hydroperoxide solution; adding formaldehyde sodium sulphoxylate solution; proceeding with the reaction; reducing the temperature; adjusting pH value with smmonia water; stopping mixing; getting the material by filtering. The invention has the water resistance, the environmental protection, the age resistance and the antibiosis.

Description

technical field [0001] The invention relates to a synthesis method for preparing a waterproof and stain-resistant emulsion for interior and exterior wall coatings. Background technique [0002] At present, the emulsion used in the preparation of interior and exterior wall architectural coatings, its oily emulsion has good waterproof and stain resistance, but it is not environmentally friendly. Water-based emulsions are environmentally friendly, but poor in water and stain resistance. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned shortcoming, provide a kind of preparation method for the synthesis of waterproof and stain-resistant emulsion of interior and exterior wall paint [0004] The technical solution of the present invention is: a synthetic method for preparing the waterproof and stain-resistant emulsion of interior and exterior wall coatings, which is characterized in that: 42% deionized water, 22% butyl ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C09D133/08C09D5/16
Inventor 张云波
Owner TIANJIN ZHENDONG PAINTS CO LTD
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