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Long-acting anti-efflorescence primer and preparation method thereof

An anti-pan-alkali and primer technology, applied in the direction of biocide-containing paints, anti-fouling/underwater coatings, coatings, etc., can solve the problems of anti-pan-alkali, poor salt precipitation, and inability to actively prevent pan-alkali, etc. Achieve the effects of low water permeability, excellent water resistance and simple preparation process

Inactive Publication Date: 2016-03-30
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a long-acting anti-panthenic base paint and a preparation method thereof, which overcomes the shortcomings of the existing exterior wall primers, such as poor anti-pan-alkali and salting-out, and cannot actively prevent pan-alkali, and has the ability to actively prevent anti-pan-alkaline paint. The advantages of membrane pantotheline and excellent anti-pantothenic performance

Method used

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  • Long-acting anti-efflorescence primer and preparation method thereof
  • Long-acting anti-efflorescence primer and preparation method thereof
  • Long-acting anti-efflorescence primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A long-acting anti-pantherine primer, which comprises the following components in parts by weight:

[0045]

[0046] The long-acting anti-pantherine primer comprises the following steps carried out successively under normal temperature and pressure:

[0047] ①Add water, hydroxyethyl cellulose, defoamer, mixture of polyethoxyl and phenol, acrylic acid homopolymer ammonium salt in proportion, disperse at 500rpm for 3min, slowly add 2- Amino-2-methyl-1-propanol, increase the speed to 1100rpm to disperse for 4min, then add titanium dioxide and filler, and disperse at 1600rpm for 18min;

[0048] ②Under the rotating speed of 450rpm, slowly add pure acrylic emulsion (particle size is 80nm) to the mixture prepared in step ① and mix, and then add film-forming aid, antifreeze, bactericide, anti-mold agent and mix. Increase the rotational speed to 1000rpm and add the polyurethane thickener dropwise and mix evenly to obtain a long-acting anti-efflorescence primer.

Embodiment 2

[0050] A long-acting anti-pantherine primer, which comprises the following components in parts by weight:

[0051]

[0052] The long-acting anti-pantherine primer comprises the following steps carried out successively under normal temperature and pressure:

[0053] ① Add water, cellulose, defoamer, wetting agent, and dispersant in proportion to mixing, disperse at 450rpm for 4 minutes, slowly add pH regulator dropwise, increase the speed to 1000rpm and disperse for 5 minutes, then add titanium dioxide, Filler, and disperse at 1500rpm for 20min;

[0054] ②Under the rotating speed of 400rpm, slowly add pure acrylic emulsion (particle size is 70nm) to the mixture prepared in step ① and mix, then add film-forming aid, antifreeze, bactericide, anti-mold agent and mix. Increase the rotational speed to 1200rpm and add the thickener dropwise and mix evenly to obtain a long-acting anti-efflorescence primer.

Embodiment 3

[0056] A long-acting anti-pantherine primer, which comprises the following components in parts by weight:

[0057]

[0058]

[0059] The long-acting anti-pantherine primer comprises the following steps carried out successively under normal temperature and pressure:

[0060] ① Add water, cellulose, defoamer, wetting agent, and dispersant in proportion and mix them, then disperse at a speed of 550rpm for 2 minutes, slowly add a pH regulator dropwise, increase the speed to 1200rpm and disperse for 3 minutes, then add titanium dioxide, Filler, and disperse at 1800rpm for 15min;

[0061] ②Under the rotating speed of 500rpm, slowly add pure acrylic emulsion (particle size is 90nm) to the mixture prepared in step ① and mix, then add film-forming aid, antifreeze, bactericide, anti-mold agent and mix. Increase the rotational speed to 800rpm and add the thickener dropwise and mix evenly to obtain a long-acting anti-efflorescence primer.

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Abstract

The invention relates to a long-acting anti-efflorescence primer which is prepared from the following components: water, cellulose, a pH regulator, a wetting agent, a dispersion agent, a filler, a pure acrylic emulsion, a film-forming auxiliary agent, an antifreezing agent, a bactericide, a mildew preventive, a defoaming agent, and a thickening agent. The long-acting anti-efflorescence primer overcomes the defects that a conventional external wall primer has poor efflorescence resistance and salting-out resistance and is unable to take the initiative to prevent efflorescence, and has the advantages of taking the initiative to prevent paint film efflorescence and being excellent in efflorescence resistance.

Description

technical field [0001] The invention relates to a long-acting anti-panthenic base paint and a preparation method thereof, which are applied in the field of paint primers for exterior walls of buildings. Background technique [0002] According to the "Tenth Five-Year Plan of the National Chemical Building Materials Industry and the 2015 Development Plan Outline", during the "Tenth Five-Year Plan" period, my country's urban housing construction will continue to develop at a construction rate of about 500 million square meters per year. The main task of the development of my country's coating industry It will focus on architectural coatings, so that the application of architectural coatings in exterior wall decoration accounts for more than 60%. Such a broad market prospect of architectural exterior wall coatings is both an opportunity and a challenge, because exterior wall coatings can not only decorate urban buildings and walls beautifully, but also be directly exposed to natu...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/14
CPCC09D133/04C08L2205/02C08L2205/035C09D5/14C09D7/61C09D7/65
Inventor 洪杰孔德道
Owner SKSHU PAINT
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