CN112280409A - Steel structure anti-corrosion industrial paint with strong acid resistance - Google Patents
Steel structure anti-corrosion industrial paint with strong acid resistance Download PDFInfo
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- CN112280409A CN112280409A CN202011260402.7A CN202011260402A CN112280409A CN 112280409 A CN112280409 A CN 112280409A CN 202011260402 A CN202011260402 A CN 202011260402A CN 112280409 A CN112280409 A CN 112280409A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a steel structure anticorrosion industrial paint with strong acid resistance, which comprises the following components in percentage by weight: 12-18% of acrylic emulsion, 0.3-0.8% of pH regulator, 35-45% of self-made slurry, 2-5% of film-forming additive, 0.1-0.2% of defoaming agent, 2-5% of antifreezing agent, 0.1-0.3% of thickening agent and the balance of water. The acid rain resistant steel structure anticorrosive paint disclosed by the invention adopts a paint film formed by mixing the styrene-acrylic emulsion and the furan modified epoxy emulsion, and can effectively resist rainwater, fog and electrolyte ion infiltration; the modified carbon black is added to be matched with the mica powder, so that the smoke resistance of the paint film can be effectively enhanced, and the strength of the paint film is increased; according to the invention, the organic silicon modified acrylic emulsion is added into the paint film, so that the network reinforcement is carried out on the paint film, and better acid-resistant and smoke-resistant effects are achieved.
Description
Technical Field
The invention relates to the technical field of industrial paint, in particular to steel structure anticorrosion industrial paint with strong acid resistance.
Background
According to statistics, the direct economic loss caused by metal corrosion in China accounts for about 4% of the total value of national production every year. The problem of corrosion protection of metals is therefore of increasing interest. In the prior metal anticorrosion coating technology, the pretreatment of the metal surface before coating accounts for about 45 percent of the total price of the whole coating project. To protect steel from corrosion and to extend its service life, corrosion-resistant coating of steel is the most economical and effective method. In order to obtain excellent corrosion resistance, the rust on the steel must be removed before coating, otherwise the paint film and the corrosion resistance are poor due to the continuous expansion of the rust. If the surface treatment procedures of rust removal, oil removal, water removal and the like can be reduced or omitted, the coating cost can be obviously reduced, and meanwhile, the painting process can be greatly simplified, so that the labor intensity is reduced, and the harm of rust dust to human bodies is reduced.
At present, the steel structure corrosion resistance in China still has great progress space in the aspects of acid rain resistance and salt mist resistance, so the invention provides the steel structure corrosion-resistant industrial paint with strong acid resistance.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the steel structure anticorrosion industrial paint with strong acid resistance.
The technical scheme of the invention is as follows:
the steel structure anticorrosion industrial paint with strong acid resistance comprises the following components in percentage by weight: 12-18% of acrylic emulsion, 0.3-0.8% of pH regulator, 35-45% of self-made slurry, 2-5% of film-forming additive, 0.1-0.2% of defoaming agent, 2-5% of antifreezing agent, 0.1-0.3% of thickening agent and the balance of water.
Preferably, the acrylic emulsion is an organosilicon modified acrylic emulsion.
Preferably, the defoaming agent is a silicone defoaming agent.
Preferably, the antifreeze is glycerol.
Preferably, the homemade slurry comprises the following components in percentage by weight: 2-8% of dispersing agent, 0.1-0.3% of wetting agent, 0.2-0.5% of pH regulator, 1-10% of color master batch, 3-8% of furan modified epoxy emulsion, 2-5% of zinc powder, 10-15% of mica powder, 18-25% of styrene-acrylic emulsion, 1-2% of modified carbon black and the balance of water.
Preferably, the modified carbon black is attached with an organic group- [ alkylene (hydroxy) ] -, wherein: the alkylene group is attached to the carbon black.
Further preferably, the modified carbon black has the following properties: OAN range is 170-220m2(ii)/g; STSA range of 180-210m2(ii)/g; BET surface area in the range of 205-2/g。
A preparation method of the acid rain resistant steel structure anticorrosive paint comprises the following steps:
A. stirring a dispersing agent, a wetting agent and water for 30-45min at the stirring speed of 300rpm of 250-400 rpm, adding a pH regulator, adjusting the stirring speed to 400rpm of 350-400rpm, adding color master batch, furan modified epoxy emulsion, zinc powder, mica powder and styrene-acrylic emulsion, continuously stirring for 30-40min, finally adding modified carbon black, and stirring for 50-60min to obtain a self-made slurry;
B. mixing acrylic emulsion, film-forming additive, defoaming agent and antifreezing agent at the stirring speed of 200-250rpm, stirring for 30-45min, adding self-made slurry and water, continuously stirring for 40-60min, adjusting the stirring speed to 350-400rpm, adding pH regulator and thickening agent, and continuously stirring for 20-30 min;
C. and D, grinding the slurry obtained in the step B, and filtering to obtain the acid rain resistant steel structure anticorrosive paint.
Compared with the prior art, the invention has the advantages that: the acid rain resistant steel structure anticorrosive paint disclosed by the invention adopts a paint film formed by mixing the styrene-acrylic emulsion and the furan modified epoxy emulsion, and can effectively resist rainwater, fog and electrolyte ion infiltration; the modified carbon black is added to be matched with the mica powder, so that the smoke resistance of the paint film can be effectively enhanced, and the strength of the paint film is increased; according to the invention, the organic silicon modified acrylic emulsion is added into the paint film, so that the network reinforcement is carried out on the paint film, and better acid-resistant and smoke-resistant effects are achieved.
Detailed Description
Example 1
The steel structure anticorrosion industrial paint with strong acid resistance comprises the following components in percentage by weight: 15% of acrylic emulsion, 0.5% of pH regulator, 38% of self-made slurry, 3.5% of film-forming assistant, 0.15% of defoaming agent, 3.5% of antifreezing agent, 0.25% of thickening agent and the balance of water.
The acrylic emulsion is organic silicon modified acrylic emulsion; the defoaming agent is an organic silicon defoaming agent; the antifreezing agent is glycerol.
The self-made slurry comprises the following components in percentage by weight: 5.5% of dispersing agent, 0.25% of wetting agent, 0.35% of pH regulator, 5% of color master batch, 5% of furan modified epoxy emulsion, 3% of zinc powder, 12% of mica powder, 22% of styrene-acrylic emulsion, 1.5% of modified carbon black and the balance of water.
The modified carbon black is connected with an organic group- [ alkylene (hydroxyl) ] -, wherein: the alkylene group is attached to the carbon black.
The modified carbon black has the following properties: OAN range is 170-220m2(ii)/g; STSA range of 180-210m2(ii)/g; BET surface area in the range of 205-2/g。
A preparation method of the acid rain resistant steel structure anticorrosive paint comprises the following steps:
A. stirring a dispersing agent, a wetting agent and water at a stirring speed of 270rpm for 35min, adding a pH regulator, adjusting the stirring speed to 380rpm, adding a color master, a furan modified epoxy emulsion, zinc powder, mica powder and a styrene-acrylic emulsion, continuously stirring for 35min, finally adding modified carbon black, and stirring for 55min to obtain a self-made slurry;
B. mixing acrylic emulsion, a film-forming aid, a defoaming agent and an antifreezing agent at a stirring speed of 240rpm, stirring for 35min, adding the self-made slurry and water, continuously stirring for 55min, adjusting the stirring speed to 385rpm, adding a pH regulator and a thickening agent, and continuously stirring for 25 min;
C. and D, grinding the slurry obtained in the step B, and filtering to obtain the acid rain resistant steel structure anticorrosive paint.
Example 2
The steel structure anticorrosion industrial paint with strong acid resistance comprises the following components in percentage by weight: 18% of acrylic emulsion, 0.3% of pH regulator, 45% of self-made slurry, 2% of film-forming assistant, 0.2% of defoaming agent, 2% of antifreezing agent, 0.3% of thickening agent and the balance of water.
The acrylic emulsion is organic silicon modified acrylic emulsion; the defoaming agent is an organic silicon defoaming agent; the antifreezing agent is glycerol.
The self-made slurry comprises the following components in percentage by weight: 2% of dispersing agent, 0.3% of wetting agent, 0.2% of pH regulator, 10% of color master batch, 3% of furan modified epoxy emulsion, 5% of zinc powder, 10% of mica powder, 25% of styrene-acrylic emulsion, 1% of modified carbon black and the balance of water.
The modified carbon black is connected with an organic group- [ alkylene (hydroxyl) ] -, wherein: the alkylene group is attached to the carbon black.
The modified carbon black has the following properties: OAN range is 170-220m2(ii)/g; STSA range of 180-210m2(ii)/g; BET surface area in the range of 205-2/g。
A preparation method of the acid rain resistant steel structure anticorrosive paint comprises the following steps:
A. stirring a dispersing agent, a wetting agent and water at the stirring speed of 300rpm for 30min, adding a pH regulator, adjusting the stirring speed to 400rpm, adding a color master, a furan modified epoxy emulsion, zinc powder, mica powder and a styrene-acrylic emulsion, continuously stirring for 30min, finally adding modified carbon black, and stirring for 60min to obtain a self-made slurry;
B. mixing acrylic emulsion, a film-forming aid, a defoaming agent and an antifreezing agent at a stirring speed of 200rpm, stirring for 45min, adding the self-made slurry and water, continuing stirring for 40min, adjusting the stirring speed to 400rpm, adding a pH regulator and a thickening agent, and continuing stirring for 20 min;
C. and D, grinding the slurry obtained in the step B, and filtering to obtain the acid rain resistant steel structure anticorrosive paint.
Example 3
The steel structure anticorrosion industrial paint with strong acid resistance comprises the following components in percentage by weight: 12% of acrylic emulsion, 0.8% of pH regulator, 35% of self-made slurry, 5% of film-forming assistant, 0.1% of defoaming agent, 5% of antifreezing agent, 0.1% of thickening agent and the balance of water.
The acrylic emulsion is organic silicon modified acrylic emulsion; the defoaming agent is an organic silicon defoaming agent; the antifreezing agent is glycerol.
The self-made slurry comprises the following components in percentage by weight: 8% of dispersing agent, 0.1% of wetting agent, 0.5% of pH regulator, 1% of color master batch, 8% of furan modified epoxy emulsion, 2% of zinc powder, 15% of mica powder, 18% of styrene-acrylic emulsion, 2% of modified carbon black and the balance of water.
The modified carbon black is connected with an organic group- [ alkylene (hydroxyl) ] -, wherein: the alkylene group is attached to the carbon black.
The modified carbon black has the following properties: OAN range is 170-220m2(ii)/g; STSA range of 180-210m2(ii)/g; BET surface area in the range of 205-2/g。
A preparation method of the acid rain resistant steel structure anticorrosive paint comprises the following steps:
A. stirring a dispersing agent, a wetting agent and water at the stirring speed of 250rpm for 45min, adding a pH regulator, adjusting the stirring speed to 350rpm, adding a color master, a furan modified epoxy emulsion, zinc powder, mica powder and a styrene-acrylic emulsion, continuously stirring for 40min, finally adding modified carbon black, and stirring for 50min to obtain a self-made slurry;
B. mixing acrylic emulsion, a film-forming aid, a defoaming agent and an antifreezing agent at a stirring speed of 250rpm, stirring for 30min, adding the self-made slurry and water, continuously stirring for 60min, adjusting the stirring speed to 350rpm, adding a pH regulator and a thickening agent, and continuously stirring for 30 min;
C. and D, grinding the slurry obtained in the step B, and filtering to obtain the acid rain resistant steel structure anticorrosive paint.
The paint films of examples 1 to 3 were examined below, and the following examination results were obtained.
Table 1: paint film test results of examples 1 to 3;
| adhesion force | Salt tolerance | Acid resistance | Alkali resistance | |
| Example 1 | Level 0 | >90d | >180d | >90d |
| Example 2 | Level 0 | >90d | >180d | >90d |
| Example 3 | Level 0 | >90d | >180d | >90d |
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The steel structure anticorrosion industrial paint with strong acid resistance is characterized by comprising the following components in percentage by weight: 12-18% of acrylic emulsion, 0.3-0.8% of pH regulator, 35-45% of self-made slurry, 2-5% of film-forming additive, 0.1-0.2% of defoaming agent, 2-5% of antifreezing agent, 0.1-0.3% of thickening agent and the balance of water.
2. The industrial paint with strong acid resistance for corrosion prevention of steel structures as claimed in claim 1, wherein the acrylic emulsion is a silicone modified acrylic emulsion.
3. The steel structure anticorrosive industrial paint with strong acid resistance as claimed in claim 1, wherein the defoaming agent is a silicone defoaming agent.
4. The industrial paint with high acid resistance for corrosion prevention of steel structures as claimed in claim 1, wherein the anti-freezing agent is glycerol.
5. The steel structure anti-corrosion industrial paint with strong acid resistance as claimed in claim 1, wherein the self-made slurry comprises the following components in percentage by weight: 2-8% of dispersing agent, 0.1-0.3% of wetting agent, 0.2-0.5% of pH regulator, 1-10% of color master batch, 3-8% of furan modified epoxy emulsion, 2-5% of zinc powder, 10-15% of mica powder, 18-25% of styrene-acrylic emulsion, 1-2% of modified carbon black and the balance of water.
6. The industrial paint with strong acid resistance for corrosion prevention of steel structures as claimed in claim 5, wherein the modified carbon black is linked with an organic group- [ alkylene (hydroxy) ] -, wherein: the alkylene group is attached to the carbon black.
7. The anticorrosive industrial paint for steel structures with strong acid resistance as claimed in claim 6, wherein the modified carbon black has the following properties: OAN range is 170-220m2(ii)/g; STSA range of 180-210m2(ii)/g; BET surface area in the range of 205-2/g。
8. The preparation method of the acid rain resistant steel structure anticorrosive paint is characterized by comprising the following steps:
A. stirring a dispersing agent, a wetting agent and water for 30-45min at the stirring speed of 300rpm of 250-400 rpm, adding a pH regulator, adjusting the stirring speed to 400rpm of 350-400rpm, adding color master batch, furan modified epoxy emulsion, zinc powder, mica powder and styrene-acrylic emulsion, continuously stirring for 30-40min, finally adding modified carbon black, and stirring for 50-60min to obtain a self-made slurry;
B. mixing acrylic emulsion, film-forming additive, defoaming agent and antifreezing agent at the stirring speed of 200-250rpm, stirring for 30-45min, adding self-made slurry and water, continuously stirring for 40-60min, adjusting the stirring speed to 350-400rpm, adding pH regulator and thickening agent, and continuously stirring for 20-30 min;
C. and D, grinding the slurry obtained in the step B, and filtering to obtain the acid rain resistant steel structure anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260402.7A CN112280409A (en) | 2020-11-12 | 2020-11-12 | Steel structure anti-corrosion industrial paint with strong acid resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260402.7A CN112280409A (en) | 2020-11-12 | 2020-11-12 | Steel structure anti-corrosion industrial paint with strong acid resistance |
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| Publication Number | Publication Date |
|---|---|
| CN112280409A true CN112280409A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011260402.7A Withdrawn CN112280409A (en) | 2020-11-12 | 2020-11-12 | Steel structure anti-corrosion industrial paint with strong acid resistance |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076534A1 (en) * | 2002-03-05 | 2003-09-18 | Chemnova Technologies, Inc. | Surface base-coat formulation for metal alloys |
| CN1827718A (en) * | 2006-04-05 | 2006-09-06 | 中国人民解放军国防科学技术大学 | Environment-friendly acid-resistant anticorrosion paint |
| CN110616015A (en) * | 2019-09-17 | 2019-12-27 | 湖州市南浔联谊喷涂厂 | Acid rain resistant steel structure anticorrosive paint and preparation method thereof |
| CN111205712A (en) * | 2020-02-21 | 2020-05-29 | 山东七维新材料有限公司 | Water-based quick-drying high-salt-spray-resistance acrylic coating for corrosion prevention of steel structure and preparation method thereof |
-
2020
- 2020-11-12 CN CN202011260402.7A patent/CN112280409A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003076534A1 (en) * | 2002-03-05 | 2003-09-18 | Chemnova Technologies, Inc. | Surface base-coat formulation for metal alloys |
| CN1827718A (en) * | 2006-04-05 | 2006-09-06 | 中国人民解放军国防科学技术大学 | Environment-friendly acid-resistant anticorrosion paint |
| CN110616015A (en) * | 2019-09-17 | 2019-12-27 | 湖州市南浔联谊喷涂厂 | Acid rain resistant steel structure anticorrosive paint and preparation method thereof |
| CN111205712A (en) * | 2020-02-21 | 2020-05-29 | 山东七维新材料有限公司 | Water-based quick-drying high-salt-spray-resistance acrylic coating for corrosion prevention of steel structure and preparation method thereof |
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Application publication date: 20210129 |
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