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Latex coating material and preparation method thereof

A latex paint, particle size range technology, applied in the direction of coating, etc., can solve the problem of reducing the gloss of latex paint, achieve low gloss, stable quality, simple process effect

Inactive Publication Date: 2014-06-18
ANHUI SCI & TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At this stage, the development of low-gloss coatings and high-hardness coatings in my country's low-end coating market is not perfect. Inorganic silicon materials have special physical and chemical properties, and inorganic silicon is used to modify styrene-acrylic coatings to reduce latex coatings. The glossiness and increase its strength research has not been reported

Method used

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  • Latex coating material and preparation method thereof
  • Latex coating material and preparation method thereof
  • Latex coating material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Latex paint and preparation method thereof

[0033] (1) Prepare an aqueous solution of sodium hexametaphosphate with a mass fraction of 10%, an aqueous soap solution with a mass fraction of 2%, and an aqueous solution of sodium carboxymethylcellulose with a mass fraction of 5%, for subsequent use;

[0034] (2) Put 22.7g of water, 3.1g of 10% sodium hexametaphosphate aqueous solution, 1.75g ​​of 2% soap solution and 1g of tributyl phosphate in the reactor at a speed of 400r / min Stirred under the stirring condition for 20 minutes, got mixed liquor;

[0035] (3) Mix 9g of talcum powder, 10g of calcium carbonate, 6.41g of titanium dioxide and 7.59g of white carbon black with a particle size range of 85-135nm to obtain a mixture, and slowly add the above mixture to the mixed solution obtained in step (2) , stirring for 30 minutes at a rotating speed of 1400r / min until the solid and liquid phases are mixed evenly to form a homogeneous phase to obtain a homogeneous liquid;

...

Embodiment 2

[0038] Latex paint and preparation method thereof

[0039] (1) Prepare an aqueous solution of sodium hexametaphosphate with a mass fraction of 10%, an aqueous soap solution with a mass fraction of 1%, and an aqueous solution of sodium carboxymethylcellulose with a mass fraction of 4%, for subsequent use;

[0040] (2) Put 12.45g of water, 3.4g of 10% sodium hexametaphosphate aqueous solution, 3g of 1% soap solution and 1.3g of tributyl phosphate in the reaction kettle at a speed of 500r / min Stirred under the stirring condition for 15 minutes, got mixed liquor;

[0041] (3) Mix 11g of talc powder, 8g of calcium carbonate, 8.2g of titanium dioxide and 6.8g of white carbon black with a particle size range of 85-135nm to obtain a mixture, and slowly add the above mixture to the mixed solution obtained in step (2) , stirring for 45 minutes at a rotating speed of 1500r / min until the solid and liquid phases are mixed evenly to form a homogeneous phase to obtain a homogeneous liquid; ...

Embodiment 3

[0044] Latex paint and preparation method thereof

[0045] (1) Prepare an aqueous solution of sodium hexametaphosphate with a mass fraction of 10%, an aqueous soap solution with a mass fraction of 2%, and an aqueous solution of sodium carboxymethylcellulose with a mass fraction of 2%, for subsequent use;

[0046] (2) Put 12.1g of water, 3.6g of 10% sodium hexametaphosphate aqueous solution, 1.9g of 2% soap aqueous solution and 1.4g of tributyl phosphate in the reaction kettle at a speed of 400r / min under the stirring condition of stirring for 18 minutes to obtain a mixed solution;

[0047] (3) Mix 10g of talc powder, 11g of calcium carbonate, 5.64g of titanium dioxide and 10.36g of white carbon black with a particle size range of 85-135nm to obtain a mixture, and slowly add the above mixture to the mixed solution obtained in step (2) , stirring for 50 minutes at a rotating speed of 1400r / min until the solid and liquid phases are mixed evenly to form a homogeneous phase to ob...

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Abstract

The invention provides a latex coating material. The latex coating material contains the following ingredients in parts by weight: 24-38 parts of water, 0.27-0.36 part of sodium hexametahposphate, 0.03-0.04 part of soap, 1-2.3 parts of tributyl phosphate, 7-11 parts of talcum powder, 8-11 parts of calcium carbonate, 12-16 parts of titanium white and white carbon black with the particle size of 85-135nm, 0.15-0.25 part of sodium carboxymethyl cellulose, 3.5-5 parts of film forming assistant and 28-30 parts of styrene-acrylic emulsion, wherein the parts (by weight) of white carbon black with the particle size of 85-135nm are 18-28% the total parts (by weight) of titanium white, calcium carbonate, talcum powder and white carbon black with the particle size of 85-135nm, the film forming assistant is a mixture of glycol, 1,2-propanediol and F-974 film forming auxiliaries, and the parts (by weight) of 1,2-propanediol are 2.5-3.5. The invention further provides a preparation method of the latex coating material, wherein the method comprises the steps of dispersing and mixing various auxiliaries and the like. According to the latex coating material and the preparation method thereof, a styrene-acrylic emulsion coating material is improved by using white carbon black with the particle size of 85-135nm, so that the latex coating material which simultaneously has the advantages of low glossiness and high strength can be obtained.

Description

technical field [0001] The invention relates to a latex paint and a preparation method thereof, in particular to a latex paint with low gloss and high hardness and a preparation method thereof. Background technique [0002] At present, the demand for non-toxic, odorless and environmentally friendly architectural coatings with elegant and fresh decorative effects is increasing in my country's market, and with the continuous improvement of people's living standards and changes in aesthetic concepts, consumers are more inclined to have Low-gloss coatings with a soft appearance, and higher requirements for the hardness of the coatings. [0003] At this stage, the development of low-gloss coatings and high-hardness coatings in my country's low-end coating market is not perfect. Inorganic silicon materials have special physical and chemical properties, and inorganic silicon is used to modify styrene-acrylic coatings to reduce latex coatings. The study of glossiness and increasing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D7/12
Inventor 张雪梅宋长春汪徐春程年寿陈桥徐冬青
Owner ANHUI SCI & TECH UNIV