CN112795283A - Anticorrosive heat-insulating coil coating applied to color steel plate and preparation method thereof - Google Patents
Anticorrosive heat-insulating coil coating applied to color steel plate and preparation method thereof Download PDFInfo
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- CN112795283A CN112795283A CN202011639946.4A CN202011639946A CN112795283A CN 112795283 A CN112795283 A CN 112795283A CN 202011639946 A CN202011639946 A CN 202011639946A CN 112795283 A CN112795283 A CN 112795283A
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- Prior art keywords
- filler
- coating
- agent
- heat insulation
- anticorrosive
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D5/004—Reflecting paints; Signal paints
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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
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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- 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
- C08K2003/0812—Aluminium
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The base material comprises a heat insulation coating, an auxiliary pigment filler, a heat insulation filler, a catalyst, an organic fluorine leveling agent and a dispersing agent, the heat insulation coating contains high weather-resistant polyester, the auxiliary pigment filler comprises titanium dioxide and talcum powder, the heat insulation filler is silver powder and a silver dropping prevention agent, and a large amount of large-particle-size envelopes are adopted to treat the silver powder, so that the coating structure achieves a high-density parallel mutual overlapping structure, the heat energy is effectively reflected and blocked, and the coating has a very good salt spray corrosion resistance effect.
Description
Technical Field
The invention relates to the technical field of galvanized steel sheet processing, in particular to an anticorrosive heat-insulating coil steel coating applied to a color steel sheet and a preparation method thereof.
Background
At present, heat insulation coatings are widely applied in various fields of national economy, however, the common heat insulation coatings have poor effects of reducing convection and radiation heat transfer, have thick heat insulation layers, are not resistant to vibration, have high water absorption rate, short service life and poor corrosion resistance, and the most widely applied barrier type heat insulation coatings are composite silicate heat insulation coatings and have wide practical application. However, the coating still has the defects caused by the self material structure, such as long drying period, large influence of seasons and climate on construction conditions, poor impact resistance, large drying shrinkage, poor corrosion resistance, large moisture absorption rate, low bonding strength to a color steel plate and the like.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an anticorrosive heat-insulating coil steel coating applied to a color steel plate and a preparation method thereof.
The technical scheme of the invention is as follows: the utility model provides an anticorrosive thermal-insulated coil coating for various steel sheet, includes base-material and environmental protection solvent, the base-material includes adiabatic coating, supplementary pigment and filler, adiabatic filler, catalyst, organic fluorine levelling agent and dispersant, and adiabatic coating contains high resistant polyester of waiting, and supplementary pigment and filler includes titanium white powder and talcum powder, and adiabatic filler is silver powder and anti-silver agent that falls, and anticorrosive thermal-insulated coil coating component is as follows based on the part by weight content: 40-60% of high weather-resistant polyester, 3.76-4.16% of titanium dioxide, 3.76-4.16% of talcum powder, 7-12% of silver powder, 1.61-1.63% of defoaming agent, 0.21-1.34% of organic fluorine leveling agent, 1.13-1.92% of dispersing agent, 0.5-1.5% of polyvinylpyrrolidone, 10-17% of crosslinking agent, 2.1-2.7% of anti-silver-dropping agent and 17-21% of environment-friendly solvent.
Further, the dispersing agent is dibutyltin dilaurate or organic modified siloxane.
The preparation method of the anticorrosive heat-insulating coil steel coating applied to the color steel plate comprises the following steps:
s1: according to the proportion, adding the high weather-resistant polyester into an environment-friendly solvent for mixing, and adding a catalyst, a heat insulation filler, an auxiliary pigment and filler, a catalyst and an organic fluorine leveling agent under the stirring condition;
s2: and after the mixture is uniformly dispersed, transferring the mixture into a ball milling tank to grind uniformly to obtain the anticorrosive heat-insulating coil steel coating applied to the color steel plate.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) according to the invention, a large amount of silver powder is coated by a large-particle-size coating, so that the coating structure reaches a high-density parallel mutual overlapping structure, heat energy is effectively reflected and blocked, and the coating has a very good anti-corrosion and salt spray corrosion-resistant effect, and compared with a common color steel plate, the indoor temperature of the coating color steel plate can be effectively reduced by 10-15 ℃.
(2) The anticorrosive coating disclosed by the invention is good in adhesive force, good in flexibility and excellent in anticorrosive performance. For example, when the protected substrate is a Q235 common steel plate, the coating with the thickness of 2 microns has the adhesion of 0 grade, the flexibility of 1 grade, the impact resistance of 50kg cm and the neutral salt spray resistance time of 89 h; the coating with the thickness of 80 mu m has the adhesion of 0 grade, the flexibility of 2 grades, the impact resistance of 50kg.cm and the neutral salt spray resistance time of 3000 h.
(3) The preparation method has simple process and mild conditions, is beneficial to large-scale industrial production, and has remarkable economic benefit.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The utility model provides an anticorrosive thermal-insulated coil coating for various steel sheet, includes base-material and environmental protection solvent, the base-material includes adiabatic coating, supplementary pigment and filler, adiabatic filler, catalyst, organic fluorine levelling agent and dispersant, and adiabatic coating contains high resistant polyester of waiting, and supplementary pigment and filler includes titanium white powder and talcum powder, and adiabatic filler is silver powder and anti-silver agent that falls, and anticorrosive thermal-insulated coil coating component is as follows based on the part by weight content: 45% of high weather-resistant polyester, 4% of titanium dioxide, 3.85% of talcum powder, 9% of silver powder, 1.6% of defoaming agent, 0.8% of organic fluorine leveling agent, 1.3% of dispersing agent, 1% of polyvinylpyrrolidone, 14.05% of crosslinking agent, 2.4% of anti-silver-dropping agent and 21% of environment-friendly solvent.
The dispersing agent is dibutyltin dilaurate.
The preparation method of the anticorrosive heat-insulating coil steel coating applied to the color steel plate comprises the following steps:
s1: according to the proportion, adding the high weather-resistant polyester into an environment-friendly solvent for mixing, and adding a catalyst, a heat insulation filler, an auxiliary pigment and filler, a catalyst and an organic fluorine leveling agent under the stirring condition;
s2: and after the mixture is uniformly dispersed, transferring the mixture into a ball milling tank to grind uniformly to obtain the anticorrosive heat-insulating coil steel coating applied to the color steel plate.
Example 2
The utility model provides a be applied to anticorrosive thermal-insulated coil steel coating of various steel sheet, includes base-material and environmental protection solvent, the base-material includes adiabatic coating, supplementary pigment filler, adiabatic filler, catalyst, organic fluorine levelling agent and dispersant, and adiabatic coating contains high resistant time polyester, and supplementary pigment filler includes titanium white powder and talcum powder, and adiabatic filler is silver powder and anti-drop silver agent, and the solvent includes xylol and n-butanol, and anticorrosive thermal-insulated coil steel coating component is as follows based on part by weight content: 40.6% of high weather-resistant polyester, 3.96% of titanium dioxide, 4.1% of talcum powder, 10% of silver powder, 1.63% of defoaming agent, 1.23% of organic fluorine leveling agent, 1.58% of dispersing agent, 1.2% of polyvinylpyrrolidone, 16% of crosslinking agent, 2.7% of anti-silver-dropping agent and 17% of environment-friendly solvent.
Further, the dispersant is dibutyltin dilaurate.
The preparation method of the anticorrosive heat-insulating coil steel coating applied to the color steel plate comprises the following steps:
s1: according to the proportion, adding the high weather-resistant polyester into an environment-friendly solvent for mixing, and adding a catalyst, a heat insulation filler, an auxiliary pigment and filler, a catalyst and an organic fluorine leveling agent under the stirring condition;
s2: and after the mixture is uniformly dispersed, transferring the mixture into a ball milling tank to grind uniformly to obtain the anticorrosive heat-insulating coil steel coating applied to the color steel plate.
Example 3
The utility model provides an anticorrosive thermal-insulated coil coating for various steel sheet, includes base-material and environmental protection solvent, the base-material includes adiabatic coating, supplementary pigment and filler, adiabatic filler, catalyst, organic fluorine levelling agent and dispersant, and adiabatic coating contains high resistant polyester of waiting, and supplementary pigment and filler includes titanium white powder and talcum powder, and adiabatic filler is silver powder and anti-silver agent that falls, and anticorrosive thermal-insulated coil coating component is as follows based on the part by weight content: 50% of high weather-resistant polyester, 3.76% of titanium dioxide, 3.76% of talcum powder, 7% of silver powder, 1.61% of defoaming agent, 0.21% of organic fluorine leveling agent, 1.13% of dispersing agent, 0.5% of polyvinylpyrrolidone, 10% of crosslinking agent, 2.1% of anti-silver-dropping agent and 19.93% of environment-friendly solvent.
Further, the dispersing agent is organic modified siloxane.
The preparation method of the anticorrosive heat-insulating coil steel coating applied to the color steel plate comprises the following steps:
s1, adding the high weather-resistant polyester into an environment-friendly solvent according to the proportion, mixing, and adding a catalyst, a heat insulation filler, an auxiliary pigment filler, a catalyst and an organic fluorine leveling agent under the stirring condition;
s2: and after the mixture is uniformly dispersed, transferring the mixture into a ball milling tank to grind uniformly to obtain the anticorrosive heat-insulating coil steel coating applied to the color steel plate.
The anticorrosive heat-insulating coil steel coating for the color steel plate prepared by the method has the following performance indexes:
| detecting items | Index (I) |
| Solar reflectance | ≥0.93 |
| Hemispherical emissivity | ≥0.92 |
| Salt spray resistance | ≥312h |
| Resistance to artificial weathering | ≥800h |
| Drying time (surface dry)/h | ≤1h |
| Adhesion/grade | ≤1 |
Claims (3)
1. The utility model provides an anticorrosive thermal-insulated coil steel coating for various steel sheet which characterized in that: the coating comprises a base material and an environment-friendly solvent, wherein the base material comprises a heat insulation coating, an auxiliary pigment and filler, a heat insulation filler, a catalyst, an organic fluorine leveling agent and a dispersing agent, the heat insulation coating contains high weather-resistant polyester, the auxiliary pigment and filler comprises titanium dioxide and talcum powder, the heat insulation filler is silver powder and a silver dropping prevention agent, and the anticorrosive heat insulation coil steel coating comprises the following components in parts by weight: 40-60% of high weather-resistant polyester, 3.76-4.16% of titanium dioxide, 3.76-4.16% of talcum powder, 7-12% of silver powder, 1.61-1.63% of defoaming agent, 0.21-1.34% of organic fluorine leveling agent, 1.13-1.92% of dispersing agent, 0.5-1.5% of polyvinylpyrrolidone, 10-17% of crosslinking agent, 2.1-2.7% of anti-silver-dropping agent and 17-21% of environment-friendly solvent.
2. The anticorrosive heat-insulating coil steel coating applied to the color steel plate as claimed in claim 1, characterized in that: the dispersing agent is dibutyltin dilaurate or organic modified siloxane.
3. A preparation method of an anticorrosive heat-insulating coil coating applied to a color steel plate is characterized by comprising the following steps: comprises the following steps:
s1: according to the proportion, adding the high weather-resistant polyester into an environment-friendly solvent for mixing, and adding a catalyst, a heat insulation filler, an auxiliary pigment and filler, a catalyst and an organic fluorine leveling agent under the stirring condition;
s2: and after the mixture is uniformly dispersed, transferring the mixture into a ball milling tank to grind uniformly to obtain the anticorrosive heat-insulating coil steel coating applied to the color steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639946.4A CN112795283A (en) | 2020-12-31 | 2020-12-31 | Anticorrosive heat-insulating coil coating applied to color steel plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639946.4A CN112795283A (en) | 2020-12-31 | 2020-12-31 | Anticorrosive heat-insulating coil coating applied to color steel plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112795283A true CN112795283A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011639946.4A Pending CN112795283A (en) | 2020-12-31 | 2020-12-31 | Anticorrosive heat-insulating coil coating applied to color steel plate and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295679A (en) * | 2015-12-04 | 2016-02-03 | 成都锦汇科技有限公司 | Lacquer-painted steel plate |
| CN106978047A (en) * | 2017-05-18 | 2017-07-25 | 立邦工业涂料(上海)有限公司 | A kind of high-gloss metal color coating, Preparation method and use for coil base material |
| CN111269604A (en) * | 2018-12-03 | 2020-06-12 | 深圳光峰科技股份有限公司 | Projection screen combined coating and preparation method of projection screen |
| CN111777928A (en) * | 2020-07-16 | 2020-10-16 | 进彩涂料科技(上海)有限公司 | Low-light alkali-resistant silver paint for household appliance color plates and preparation method thereof |
-
2020
- 2020-12-31 CN CN202011639946.4A patent/CN112795283A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295679A (en) * | 2015-12-04 | 2016-02-03 | 成都锦汇科技有限公司 | Lacquer-painted steel plate |
| CN106978047A (en) * | 2017-05-18 | 2017-07-25 | 立邦工业涂料(上海)有限公司 | A kind of high-gloss metal color coating, Preparation method and use for coil base material |
| CN111269604A (en) * | 2018-12-03 | 2020-06-12 | 深圳光峰科技股份有限公司 | Projection screen combined coating and preparation method of projection screen |
| CN111777928A (en) * | 2020-07-16 | 2020-10-16 | 进彩涂料科技(上海)有限公司 | Low-light alkali-resistant silver paint for household appliance color plates and preparation method thereof |
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Application publication date: 20210514 |
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