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Emulsion paint with water-whitening resistance

A latex paint and performance technology, applied in the field of latex paint, can solve the problems of reducing the surface performance of latex paint film, easy to age and fall off, easy to whiten, etc., and achieve the effect of overcoming rain marks, low cost, and good water-whitening resistance.

Inactive Publication Date: 2018-11-30
安徽喜宝高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing latex paint is prone to whitening when it encounters water, thereby greatly reducing the performance of the latex paint film surface, and is more prone to aging and falling off

Method used

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  • Emulsion paint with water-whitening resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A latex paint with water-whitening resistance, the water-whitening-resistant latex paint contains 5.5-9.8% by mass of 1-hydroxybenzotriazole modified nano-sericite.

[0021] Further, the preparation method of the 1-hydroxybenzotriazole modified nano-sericite is:

[0022] (1) Disperse nano-sericite evenly in deionized water to prepare a nano-sericite dispersion with a mass fraction of 15%;

[0023] (2) Adjust the pH of the nano-sericite dispersion to 3.5-4.0, then add 3.5% of its mass silane coupling agent to the nano-sericite dispersion, heat to 60-70°C, and stir at 2000r / min for 2 hours, Then carry out suction filtration, use deionized water to wash the nano-sericite to neutrality, and dry to constant weight;

[0024] (3) Evenly disperse the nano-sericite after the above treatment into the ethanol solution with a mass fraction of 10% at a ratio of 150g:400mL to obtain a nano-sericite ethanol dispersion, ultrasonically treat it for 2 minutes, and add it to the nano-ser...

Embodiment 2

[0033] A latex paint with water-whitening resistance, the water-whitening-resistant latex paint contains 5.5-9.8% by mass of 1-hydroxybenzotriazole modified nano-sericite.

[0034] Further, the preparation method of the 1-hydroxybenzotriazole modified nano-sericite is:

[0035] (1) Disperse nano-sericite evenly in deionized water to prepare a nano-sericite dispersion with a mass fraction of 15%;

[0036] (2) Adjust the pH of the nano-sericite dispersion to 3.5-4.0, then add 3.5% of its mass silane coupling agent to the nano-sericite dispersion, heat to 60-70°C, and stir at 2000r / min for 2 hours, Then carry out suction filtration, use deionized water to wash the nano-sericite to neutrality, and dry to constant weight;

[0037] (3) Evenly disperse the nano-sericite after the above treatment into the ethanol solution with a mass fraction of 10% at a ratio of 150g:400mL to obtain a nano-sericite ethanol dispersion, ultrasonically treat it for 2 minutes, and add it to the nano-ser...

Embodiment 3

[0046] A latex paint with water-whitening resistance, the water-whitening-resistant latex paint contains 5.5-9.8% by mass of 1-hydroxybenzotriazole modified nano-sericite.

[0047] Further, the preparation method of the 1-hydroxybenzotriazole modified nano-sericite is:

[0048] (1) Disperse nano-sericite evenly in deionized water to prepare a nano-sericite dispersion with a mass fraction of 15%;

[0049] (2) Adjust the pH of the nano-sericite dispersion to 3.5-4.0, then add 3.5% of its mass silane coupling agent to the nano-sericite dispersion, heat to 60-70°C, and stir at 2000r / min for 2 hours, Then carry out suction filtration, use deionized water to wash the nano-sericite to neutrality, and dry to constant weight;

[0050](3) Evenly disperse the nano-sericite after the above treatment into the ethanol solution with a mass fraction of 10% in the ratio of 150g: 400mL to obtain a nano-sericite ethanol dispersion, ultrasonically treat it for 2min, and add it to the nano-serici...

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Abstract

The invention discloses an emulsion paint with water-whitening resistance, relating to the technical field of emulsion paints. The emulsion paint with water-whitening resistance contains 5.5 to 9.8% by mass of 1-hydroxybenzotriazole modified nano-sericite. According to the prepared emulsion paint, the elasticity and tensile strength of the emulsion paint can be greatly improved, the quality of anemulsion paint film can be remarkably improved, the scrub resistance of the emulsion paint is remarkably improved, the durability and temperature change resistance of the emulsion paint are good, thecost is low, and especially the water-whitening resistance of the emulsion paint is good.

Description

technical field [0001] The invention belongs to the technical field of latex paint, in particular to a latex paint with water whitening resistance. Background technique [0002] Emulsion paint (EmulsionPaint.), also known as synthetic resin emulsion paint, is a kind of organic paint. It is a kind of water-based paint formulated with synthetic resin emulsion as the base material, adding pigments, fillers and various additives. According to different production raw materials, latex paint mainly includes polyvinyl acetate latex paint, ethylene-propylene latex paint, pure acrylic latex paint, styrene-acrylic latex paint and other varieties. According to the different application environment of the product, it is divided into two types: interior wall latex paint and exterior wall latex paint. According to the gloss effect of the decoration, it can be divided into dull, matte, semi-gloss, mercerized and glossy. Latex paint has many advantages that are different from traditional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/62C09D7/63C09D7/61C09D7/65
CPCC09D4/06C09D7/61C09D7/62C09D7/63C09D7/65
Inventor 李振飞
Owner 安徽喜宝高分子材料有限公司
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