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Joint mixture

A technology of caulking agent and thickening agent, applied in the field of caulking agent, can solve the problems of low solid content, thin film, opacity, etc., achieve high solid content, good anti-seepage performance, strong weather resistance and alkali resistance Effect

Active Publication Date: 2013-12-04
南京博云悦邦工贸实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the caulking agents currently on the market are simply mixed with emulsion and water. After the caulking agent is applied to the substrate, the film formed is not transparent, and the film is very thin, which is not conducive to the caulking agent to prevent wall surface The effect of water seepage, in addition, the solid content of existing joint fillers is less than 20%

Method used

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Examples

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Effect test

Embodiment 1

[0018] A caulking agent, which is prepared by mixing and stirring the following components in parts by weight: 500 parts of silicone emulsion, 500 parts of acrylic emulsion, 2 parts of bactericide, 1 part of defoamer and 20 parts of thickener. The solid content of above-mentioned acrylic emulsion is 52%.

[0019] In this embodiment, the silicone emulsion is a cationic hydroxy silicone oil emulsion, wherein the silicone emulsion has a silicon content of 10% by mass and a solid content of 50%, and the thickener is a polyacrylic acid salt alkali swelling type For the emulsion, the solid content of the thickener is 20%, and the defoamer is polysiloxane.

[0020] The preparation method of the above-mentioned caulking agent is as follows: mix and stir the required amount of each component material, stir for 2 hours, and the stirring speed is 500r / min to obtain the desired product.

Embodiment 2

[0022] A caulking agent is prepared by mixing and stirring the following components in parts by weight: 400 parts of silicone emulsion, 600 parts of acrylic emulsion, 1 part of bactericide, 2 parts of defoamer and 15 parts of thickener. The solid content of the acrylic emulsion is 53%

[0023] In this embodiment, the silicone emulsion is a cationic hydroxy silicone oil emulsion, wherein the silicone emulsion has a silicon content of 15% by mass and a solid content of 52%, and the thickener is a polyacrylic acid salt alkali swelling type Emulsion, the solid content of the thickener is 25%, and the defoamer is a polyacrylic acid polymer.

[0024] The preparation method of the above-mentioned caulking agent is as follows: mixing and stirring the required amount of each component material, stirring for 1.5 hours, and the stirring speed is 700r / min to obtain the desired product.

Embodiment 3

[0026] A caulking agent, which consists of the following components in parts by weight: 600 parts of silicone emulsion, 400 parts of acrylic emulsion, 1.5 parts of bactericide, 1.5 parts of defoamer and 10 parts of thickener mixed and stirred, wherein, the The solid content of above-mentioned acrylic emulsion is 55%.

[0027] In this embodiment, the silicone emulsion is a cationic hydroxyl silicone oil emulsion, wherein the silicone emulsion has a silicon content of 20% by mass and a solid content of 52%, and the thickener is a polyacrylic acid salt-alkali swelling type Emulsion, the solid content of the thickener is 25%, and the defoamer is a mixture of polysiloxane and polyacrylic acid polymer,

[0028] The preparation method of the above-mentioned caulking agent is as follows: mixing and stirring the required amount of each component material, stirring for 1 hour, and the stirring speed is 800r / min to obtain the desired product.

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Abstract

The invention discloses a joint mixture. The joint mixture comprises the following components, by weight, 400-600 parts of organic silicon emulsion, 400-600 parts of acrylic emulsion, 1-2 parts of bactericide, 1-2 parts of defoamer and 10-20 parts of thickening agent which are mixed and stirred, wherein the solid content of the acrylic emulsion is 52-55%. The joint mixture is of a capillary crystalline type, and is of a transparent shape after coating the surface of a substrate to form a film, the color of the substrate is not changed after the film is formed, in addition, the weatherability and the stain resistance of the joint mixture are high, and the water seepage prevention performance is good.

Description

technical field [0001] The invention relates to a caulking agent and belongs to the field of building materials. Background technique [0002] Gap filler is generally used on the surface of buildings to prevent water seepage. Most of the caulking agents currently on the market are simply mixed with emulsion and water. After the caulking agent is applied to the substrate, the film formed is not transparent, and the film is very thin, which is not conducive to the caulking agent to prevent wall surface The effect of water seepage, in addition, the solid content of existing joint fillers is lower than 20%. Therefore, the development of a sealant with strong weather resistance and alkali resistance and good water seepage resistance is necessary. Contents of the invention [0003] Purpose of the invention: The technical problem to be solved by the present invention is to provide a caulking agent with strong weather resistance and alkali resistance and good water-proof perform...

Claims

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Application Information

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IPC IPC(8): C09D183/06C09D133/00C09D7/12
Inventor 刘博弘刘有雲
Owner 南京博云悦邦工贸实业有限公司
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