CN102993842B - A kind of benzene emulsion waterborne rusted paint and preparation method thereof - Google Patents

A kind of benzene emulsion waterborne rusted paint and preparation method thereof Download PDF

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Publication number
CN102993842B
CN102993842B CN201210391976.7A CN201210391976A CN102993842B CN 102993842 B CN102993842 B CN 102993842B CN 201210391976 A CN201210391976 A CN 201210391976A CN 102993842 B CN102993842 B CN 102993842B
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China
Prior art keywords
percent
water
styrene
emulsion
emulsifier
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Expired - Fee Related
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CN201210391976.7A
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Chinese (zh)
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CN102993842A (en
Inventor
赵祥志
赵叔阳
沈镭
王友志
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Hunan Shuizhishen Technology Development Co Ltd
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Hunan Shuizhishen Technology Development Co Ltd
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Abstract

The invention provides a kind of benzene emulsion waterborne rusted paint, the weight percent of each component of described coating is: benzene emulsion (solid content 40%) 35%, transforming agent 4%, iron oxide red 12%, primary zinc phosphate 3%, zinc yellow 6%, zinc oxide 5%, talcum powder 6%, barium sulfate 5%, water 40%.The invention has the advantages that: this coating can not done to construct under surface-treated condition; coating is directly applied in the steel product of band rust; it is made to form a solid protective membrane at steel surface; its sour alkaline resistance properties is excellent; can anti-block and aqueous vapor infiltrate, its rust-proof effect is much higher than existing rust proof paint.

Description

Styrene-acrylic emulsion water-based rusty paint and preparation method thereof
Technical Field
The invention relates to the technical field of coatings, in particular to a styrene-acrylic emulsion water-based rusty coating.
Background
The steel structure has a series of advantages of high strength, good toughness, convenient manufacture, high construction speed, short construction period and the like, and is widely applied to modern buildings. But the characteristic of easy corrosion brings huge loss to national economy, and the spraying of the anticorrosive paint is an essential process. The method has the function of forming a film layer with a compact structure on the surface of a base material to isolate the base material from the atmosphere so as to prevent corrosion, but because oxides or other compounds and impurities exist on the surface of the base material, the base material needs to be thoroughly derusted and decontaminated before a coating is used, the whole surface is clean, then the coating is carried out, the derusting and decontaminating labor intensity is high, and the complete and thorough derusting and decontaminating is almost impossible for large-scale machinery and steel components with complex structures.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the styrene-acrylic emulsion water-based rusted paint with low labor intensity, good antirust effect, low cost and excellent performance.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the styrene-acrylic emulsion water-based rusty paint comprises the following components in percentage by weight:
30 to 40 percent of styrene-acrylic emulsion with the solid content of 40 percent
3 to 6 percent of transforming agent
10 to 13 percent of iron oxide red
1 to 5 percent of zinc dihydrogen phosphate
3 to 8 percent of zinc yellow
4 to 7 percent of zinc oxide
5 to 8 percent of talcum powder
3 to 8 percent of barium sulfate
20-60% of water;
the preparation method of the formula comprises the following steps:
adding water into the pigment and the antirust agent to prepare pigment color paste, and putting the pigment color paste into a ball mill for ball milling to ensure that the color paste can pass through a 200-mesh sieve; preparing a transforming agent into an aqueous solution with a certain proportion; placing the color paste and the transforming agent solution into an enamel container for mixing, and quickly and uniformly stirring by using a stirrer; grinding the filler, sieving with a 200-mesh sieve, and adding into an enamel container to mix well; water was added to adjust the coating viscosity to 4 cups 25 s.
The styrene-acrylic emulsion comprises the following components:
13 to 17 percent of styrene
Acrylic acid 2.5-4%
16-20 percent of butyl acrylate
Methyl methacrylate 7-9%
0.7 to 1.2 percent of emulsifier
Ammonium persulfate 0.4-0.7%
30-62% of deionized water.
The preparation method of the styrene-acrylic emulsion comprises the following steps: preparing 5 percent (mass fraction) aqueous solution of ammonium persulfate for later use; weighing a metered emulsifier, dissolving the emulsifier in water, slowly adding the mixed monomer, and violently stirring for 15-20 min until the emulsifier is uniformly mixed to form emulsion; adding the 1/5 emulsion into a reaction kettle, adding 1/2 initiator, stirring and heating to 70-72 ℃, keeping the temperature until the material is slightly blue, and heating to 85 ℃; adding the rest of initiator, and continuously dropwise adding the rest of emulsion within 2h at the speed of controlling the temperature in the kettle; heating to 90-95 ℃, preserving heat for 1h, cooling to about 30 ℃, and adding ammonia water to adjust the pH value to 8-9.
The invention has the advantages that: the coating can be constructed under the condition of not performing surface treatment, and the coating is directly applied to a rusted steel product, so that a solid protective film is formed on the surface of the steel product, the acid and alkali resistance of the coating is excellent, oxygen and moisture can be prevented from permeating, and the antirust effect of the coating is greatly higher than that of the existing antirust coating.
Detailed Description
The present invention is further described below, and the preferred embodiments of the present invention are:
example 1
In this embodiment, a styrene-acrylic emulsion is first prepared, and the styrene-acrylic emulsion comprises the following components:
13 percent of styrene
Acrylic acid 2.5%
Butyl acrylate 16%
Methyl methacrylate 7%
0.7 percent of emulsifier
Ammonium persulfate 0.4%
60.4 percent of deionized water.
The preparation method of the formula comprises the following steps: preparing 5 percent (mass fraction) aqueous solution of ammonium persulfate for later use; weighing a metered emulsifier, dissolving the emulsifier in water, slowly adding the mixed monomer, and violently stirring for 15-20 min until the emulsifier is uniformly mixed to form emulsion; adding the 1/5 emulsion into a reaction kettle, adding 1/2 initiator, stirring and heating to 70-72 ℃, keeping the temperature until the material is slightly blue, and heating to 85 ℃; adding the rest of initiator, and continuously dropwise adding the rest of emulsion within 2h at the speed of controlling the temperature in the kettle; heating to 90-95 ℃, preserving heat for 1h, cooling to about 30 ℃, and adding ammonia water to adjust the pH value to 8-9; obtaining styrene-acrylic emulsion;
the styrene-acrylic emulsion water-based rusty paint comprises the following components in percentage by weight:
33 percent of styrene-acrylic emulsion with the solid content of 40 percent
Transforming agent 5%
Iron oxide red 12%
3 percent of zinc dihydrogen phosphate
5 percent of zinc yellow
5 percent of zinc oxide
Talcum powder 5%
Barium sulfate 5%
27% of water;
the preparation method of the formula comprises the following steps:
adding water into the pigment and the antirust agent to prepare pigment color paste, and putting the pigment color paste into a ball mill for ball milling to ensure that the color paste can pass through a 200-mesh sieve; preparing a transforming agent into an aqueous solution with a certain proportion; placing the color paste and the transforming agent solution into an enamel container for mixing, and quickly and uniformly stirring by using a stirrer; grinding the filler, sieving with a 200-mesh sieve, and adding into an enamel container to mix well; water was added to adjust the coating viscosity to 4 cups 25 s.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims (1)

1. The styrene-acrylic emulsion water-based rusty paint is characterized by comprising the following components in parts by weight: the coating comprises the following components in percentage by weight:
30 to 40 percent of styrene-acrylic emulsion with the solid content of 40 percent
3 to 6 percent of transforming agent
10 to 13 percent of iron oxide red
1 to 5 percent of zinc dihydrogen phosphate
3 to 8 percent of zinc yellow
4 to 7 percent of zinc oxide
5 to 8 percent of talcum powder
3 to 8 percent of barium sulfate
20-60% of water;
the sum of the weight percentages of the components is 100 percent;
wherein,
the raw material components for preparing the styrene-acrylic emulsion are as follows:
13 to 17 percent of styrene
Acrylic acid 2.5-4%
16-20 percent of butyl acrylate
Methyl methacrylate 7-9%
0.7 to 1.2 percent of emulsifier
Ammonium persulfate 0.4-0.7%
30-62% of deionized water;
the sum of the percentages of the raw materials is 100 percent;
the preparation method of the styrene-acrylic emulsion comprises the following steps: preparing 5 percent (mass fraction) aqueous solution of ammonium persulfate for later use; weighing a metered emulsifier, dissolving the emulsifier in water, slowly adding the mixed monomer, and violently stirring for 15-20 min until the emulsifier is uniformly mixed to form emulsion; adding the 1/5 emulsion into a reaction kettle, adding 1/2 initiator, stirring and heating to 70-72 ℃, keeping the temperature until the material is slightly blue, and heating to 85 ℃; adding the rest of initiator, and continuously dropwise adding the rest of emulsion within 2h at the speed of controlling the temperature in the kettle; heating to 90-95 ℃, preserving heat for 1h, cooling to about 30 ℃, and adding ammonia water to adjust the pH value to 8-9;
the preparation method of the coating comprises the following steps:
adding water into the pigment and the antirust agent to prepare pigment color paste, and putting the pigment color paste into a ball mill for ball milling to ensure that the color paste can pass through a 200-mesh sieve; preparing a transforming agent into an aqueous solution with a certain proportion; placing the color paste and the transforming agent solution into an enamel container for mixing, and quickly and uniformly stirring by using a stirrer; grinding the filler, sieving with a 200-mesh sieve, and adding into an enamel container to mix well; water was added to adjust the coating viscosity to 4 cups 25 s.
CN201210391976.7A 2012-10-16 2012-10-16 A kind of benzene emulsion waterborne rusted paint and preparation method thereof Expired - Fee Related CN102993842B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201210391976.7A CN102993842B (en) 2012-10-16 2012-10-16 A kind of benzene emulsion waterborne rusted paint and preparation method thereof

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CN102993842B true CN102993842B (en) 2015-07-29

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103819975A (en) * 2014-02-26 2014-05-28 南通顺阳化工有限公司 Water-based antirust paint formula
CN104046149B (en) * 2014-07-01 2016-04-06 国家电网公司 A kind of waterborne rusted paint and preparation method thereof
CN105670441B (en) * 2015-12-03 2018-04-10 陶栋梁 A kind of water-based coating compositions and preparation method thereof
CN106009818A (en) * 2016-05-31 2016-10-12 无锡伊佩克科技有限公司 Antirust coating used for steel, and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101323726A (en) * 2007-06-13 2008-12-17 湖南大学 Steel structure water-based anti-corrosion coating with rust and preparation method thereof
CN102241926A (en) * 2011-05-26 2011-11-16 开平市日固力涂料有限公司 Aqueous antirust paint with rust

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101323726A (en) * 2007-06-13 2008-12-17 湖南大学 Steel structure water-based anti-corrosion coating with rust and preparation method thereof
CN102241926A (en) * 2011-05-26 2011-11-16 开平市日固力涂料有限公司 Aqueous antirust paint with rust

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"底面合一的水性带锈防锈漆";薛东星等;《涂料工业》;19980531(第5期);9-11 *

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