CN110591469A - Water-based high-temperature baking paint PVDF fluorocarbon paint and preparation method thereof - Google Patents
Water-based high-temperature baking paint PVDF fluorocarbon paint and preparation method thereof Download PDFInfo
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- CN110591469A CN110591469A CN201910897820.8A CN201910897820A CN110591469A CN 110591469 A CN110591469 A CN 110591469A CN 201910897820 A CN201910897820 A CN 201910897820A CN 110591469 A CN110591469 A CN 110591469A
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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
- C09D127/00—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 at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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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
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/47—Levelling agents
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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
- C09D7/65—Additives macromolecular
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses water-based high-temperature baking paint PVDF fluorocarbon paint and a preparation method thereof. The invention belongs to the technical field of section bar coating, and particularly relates to water-based high-temperature baking paint PVDF fluorocarbon paint and a preparation method thereof. The invention solves the problems that in the prior art, a large amount of V0C is volatilized from a solvent type PVDF fluorocarbon coating, so that the environmental protection is influenced, and the weather resistance, the hardness, the water resistance and the like are obviously poor. The technical scheme of the invention is as follows: comprises aqueous PVDF emulsion, 303LF amino resin, water, aqueous white slurry, aqueous pigment slurry, an auxiliary agent and AMP-95. The invention provides a water-based high-temperature baking paint PVDF fluorocarbon paint, which reduces V0C therein and improves weather resistance, hardness and water resistance.
Description
Technical Field
The invention belongs to the technical field of section bar coating, and particularly relates to water-based high-temperature baking paint PVDF fluorocarbon paint and a preparation method thereof.
Background
Fluorocarbon coatings were produced as early as 1938 and are well known teflon coatings from dupont, i.e., copolymers of Polytetrafluoroethylene (PTFE), polyperfluoropropylene (FEP), etc. The material has unique and excellent heat resistance (180-260 ℃), low temperature resistance (-200 ℃), self-lubricating property, chemical stability and the like, is called as corrosion-resistant and never-sticking Teflon, fluorocarbon paint is generally divided into trifluoro and tetrafluoro, and the tetrafluoro has higher anti-corrosion property. Because the pigment is required to be liquefied at a very high temperature during use and has poor pigment dispersibility, the pigment is only used in the fields of non-stick pan, medical treatment, aviation and the like all the time and does not enter the building field.
At present, fluororesin refers to a high-molecular compound containing fluorine atoms on carbon atoms of a main chain or a side chain, polyvinylidene fluoride resin (PVDF) is a resin matrix for preparing a PVDF fluorocarbon coating, and a fluorocarbon bond formed by fluorine with the largest electronegativity among elements has excellent firmness and symmetry, so that the PVDF fluorocarbon coating has excellent performance: chemical corrosion resistance, oxidation resistance, high mechanical strength and toughness, excellent weather resistance and the like, and is widely applied to the fields of building curtain walls and the like.
In the prior art, the PVDF fluorocarbon paint is mostly solvent-based paint and powder paint, the solvent-based PVDF fluorocarbon paint can volatilize a large amount of V0C, so that the environmental protection is influenced, and the obvious performances such as weather resistance, hardness, water resistance and the like are also poor.
Disclosure of Invention
Aiming at the problems that in the prior art, a solvent type PVDF fluorocarbon coating volatilizes a large amount of V0C, so that environmental protection is influenced, and the weather resistance, the hardness, the water resistance and the like are also poor in obvious performance, the invention provides a water-based high-temperature baking varnish PVDF fluorocarbon coating and a preparation method thereof, and aims to: provides a water-based high-temperature baking paint PVDF fluorocarbon paint, which reduces V0C therein and improves weather resistance, hardness and water resistance.
The technical scheme adopted by the invention is as follows:
the water-based high-temperature baking paint PVDF fluorocarbon paint comprises the following substances:
by adopting the scheme, the water-based high-temperature baking paint PVDF fluorocarbon paint is one of the main varieties of high-performance fluorocarbon coatings, is a weather-resistant, hardness and water-resistant coating film prepared by matching water-based polyvinylidene fluoride resin emulsion with amino resin, various pigments, fillers, auxiliaries and the like, can be widely applied to the fields of external wall aluminum veneer heat-insulating coatings, steel structure corrosion resistance and the like, and the water-based PVDF fluorocarbon coating prepared by taking water as a medium greatly reduces V0C and even has no V0C, meets the requirements of environment-friendly coatings, is not only suitable for market development, but also upgrades the coating industry, and responds to the desire of people for green and environment protection.
Wherein the auxiliary agent comprises a wetting agent, and the wetting agent is TEGO 280.
Wherein the auxiliary agent comprises a leveling agent, and the leveling agent is TEGO 100.
Wherein the auxiliary agent comprises an antifoaming agent, and the antifoaming agent is TEGO 822W.
The preparation method of the water-based high-temperature baking paint PVDF fluorocarbon paint comprises the following steps:
step 1: firstly, adding aqueous PVDF emulsion, 303LF amino resin and water into a container, and rotating for 10 minutes at 2000 rpm to obtain a solution I;
step 2: adding aqueous white paste and aqueous pigment color paste into the solution I, and rotating for 20 minutes at 4000 revolutions per minute to obtain a solution II, wherein the fineness of particles in the solution II is less than or equal to 20 nanometers;
and step 3: adding an auxiliary agent into the solution II, and rotating for 5 minutes at the speed of 1000 revolutions per minute of 800-;
and 4, step 4: and adding AMP-95 into the liquid III to obtain a solution IV, and adjusting the pH of the solution IV to 8-9 to obtain the water-based high-temperature baking paint PVDF fluorocarbon paint.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the water-based high-temperature baking paint PVDF fluorocarbon paint is one of the main varieties of high-performance fluorocarbon paint, is a weather-resistant, hardness and water-resistant coating film prepared by using water-based polyvinylidene fluoride resin emulsion and matching with amino resin, various pigments, fillers, auxiliaries and the like, can be widely applied to the fields of heat-insulating coatings of aluminum veneers of outer walls, steel structure corrosion prevention and the like, is prepared by using water as a medium, greatly reduces V0C even has no V0C, meets the requirements of environment-friendly paint, is not only suitable for market development, but also enables the upgrading of the paint industry, and responds to the desire of people for green and environment protection.
2. All the additives are imported products, and in the selection of the additives, TEGO280 with good wetting capacity is preferably selected as the wetting agent, so that the surface tension and the wetting capacity on a base material are reduced, and meanwhile, the atomized spray paint mist can be well atomized, so that the coating film is more exquisite and uniform.
3. The leveling agent is TEGO100 of imported Digao company, the compatibility with water is good, the leveling can be improved, shrinkage cavity can be prevented, and TEGO822W is selected as the defoaming agent.
4. The water-based high-temperature baking paint PVDF fluorocarbon paint can well wet the base material, prevent shrinkage cavity and improve the spraying construction effect of the paint film.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
1. The water-based high-temperature baking paint PVDF fluorocarbon paint comprises the following substances:
as another aspect of the present invention, the adjuvant includes a wetting agent, and the wetting agent is TEGO 280.
As another embodiment of the present invention, the assistant comprises a leveling agent, and the leveling agent is TEGO 100.
As another scheme of the invention, the auxiliary agent comprises an antifoaming agent, and the antifoaming agent is TEGO 822W.
As another scheme of the invention, the preparation method of the water-based high-temperature baking paint PVDF fluorocarbon paint comprises the following steps:
step 1: firstly, adding aqueous PVDF emulsion, 303LF amino resin and water into a container, and rotating for 10 minutes at 2000 rpm to obtain a solution I;
step 2: adding aqueous white paste and aqueous pigment color paste into the solution I, and rotating for 20 minutes at 4000 revolutions per minute to obtain a solution II, wherein the fineness of particles in the solution II is less than or equal to 20 nanometers;
and step 3: adding an auxiliary agent into the solution II, and rotating for 5 minutes at the speed of 1000 revolutions per minute of 800-;
and 4, step 4: and adding AMP-95 into the liquid III to obtain a solution IV, and adjusting the pH of the solution IV to 8-9 to obtain the water-based high-temperature baking paint PVDF fluorocarbon paint.
Example 1
Example 2
Comparative example
Execution criteria and performance test
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (5)
1. The water-based high-temperature baking paint PVDF fluorocarbon paint is characterized by comprising the following substances:
2. the waterborne high-temperature baking paint PVDF fluorocarbon paint as claimed in claim 1, wherein said adjuvant comprises wetting agent which is TEGO 280.
3. The PVDF fluorocarbon paint as recited in claim 1, wherein the assistant comprises a leveling agent, and the leveling agent is TEGO 100.
4. The waterborne high-temperature baking paint PVDF fluorocarbon paint as claimed in claim 1, wherein said auxiliary agent comprises a defoaming agent, and said defoaming agent is TEGO 822W.
5. A preparation method of water-based high-temperature baking paint PVDF fluorocarbon paint is characterized by comprising the following steps:
step 1: firstly, adding aqueous PVDF emulsion, 303LF amino resin and water into a container, and uniformly rotating for 10 minutes to obtain a solution I;
step 2: adding aqueous white paste and aqueous pigment paste into the solution I, and rotating at a constant speed for 20 minutes to obtain a solution II, wherein the fineness of particles in the solution II is less than or equal to 20 nanometers;
and step 3: adding an auxiliary agent into the solution II, and rotating at a constant speed for 5 minutes to obtain a solution III;
and 4, step 4: and adding AMP-95 into the liquid III to obtain a solution IV, and adjusting the pH of the solution IV to 8-9 to obtain the water-based high-temperature baking paint PVDF fluorocarbon paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897820.8A CN110591469A (en) | 2019-09-23 | 2019-09-23 | Water-based high-temperature baking paint PVDF fluorocarbon paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897820.8A CN110591469A (en) | 2019-09-23 | 2019-09-23 | Water-based high-temperature baking paint PVDF fluorocarbon paint and preparation method thereof |
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| CN201910897820.8A Pending CN110591469A (en) | 2019-09-23 | 2019-09-23 | Water-based high-temperature baking paint PVDF fluorocarbon paint and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449267A (en) * | 2022-11-10 | 2022-12-09 | 佛山市顺德区固得丽涂料有限公司 | Anti-sticking water-based paint and preparation and construction method thereof |
| US11580355B2 (en) | 2018-10-25 | 2023-02-14 | Electronic Warfare Associates, Inc. | System-on-a-chip incorporating artificial neural network and general-purpose processor circuitry |
| CN115806756A (en) * | 2022-12-06 | 2023-03-17 | 四川彭山星源特种涂料有限公司 | Water-based fluorocarbon high-weather-resistance paint and preparation method thereof |
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| US20110086954A1 (en) * | 2007-04-23 | 2011-04-14 | E. I. Du Pont De Nemours And Company | Fluoropolymer liquid composition |
| AU2009234009B2 (en) * | 2008-04-11 | 2011-12-01 | Ppg Industries Ohio, Inc. | Fluorocarbon polymer compositions and methods of coating coils therewith |
| JP2014208806A (en) * | 2013-03-29 | 2014-11-06 | ダイキン工業株式会社 | Floor coating composition, floor structure, floor protection method, and floor repair method |
| WO2015160568A1 (en) * | 2014-04-17 | 2015-10-22 | E. I. Du Pont De Nemours And Company | Liquid fluoropolymer coating composition and fluoropolymer coated film |
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| CN110249011A (en) * | 2017-02-08 | 2019-09-17 | 阿克佐诺贝尔国际涂料股份有限公司 | Coating composition, Its Preparation Method And Use |
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- 2019-09-23 CN CN201910897820.8A patent/CN110591469A/en active Pending
Patent Citations (6)
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| AU2009234009B2 (en) * | 2008-04-11 | 2011-12-01 | Ppg Industries Ohio, Inc. | Fluorocarbon polymer compositions and methods of coating coils therewith |
| JP2014208806A (en) * | 2013-03-29 | 2014-11-06 | ダイキン工業株式会社 | Floor coating composition, floor structure, floor protection method, and floor repair method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11580355B2 (en) | 2018-10-25 | 2023-02-14 | Electronic Warfare Associates, Inc. | System-on-a-chip incorporating artificial neural network and general-purpose processor circuitry |
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| CN115806756A (en) * | 2022-12-06 | 2023-03-17 | 四川彭山星源特种涂料有限公司 | Water-based fluorocarbon high-weather-resistance paint and preparation method thereof |
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Application publication date: 20191220 |
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