CN112795306A - Polyether sulfone coating composition and preparation method and application thereof - Google Patents
Polyether sulfone coating composition and preparation method and application thereof Download PDFInfo
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- CN112795306A CN112795306A CN202110063582.8A CN202110063582A CN112795306A CN 112795306 A CN112795306 A CN 112795306A CN 202110063582 A CN202110063582 A CN 202110063582A CN 112795306 A CN112795306 A CN 112795306A
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- coating composition
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- polyether sulfone
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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
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/06—Polysulfones; Polyethersulfones
-
- 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
-
- 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
- C09D7/63—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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of coatings, and discloses a polyether sulfone coating composition, a method and application thereof, wherein the polyether sulfone coating composition comprises the following components: resin, solvent, hydrophobic agent and coupling agent; the resin is polyether sulfone resin; the HLB of the hydrophobic agent is less than 12. According to the polyether sulfone coating composition, polyether sulfone resin is used as a binder and a film forming agent, so that excellent adhesive force is obtained, the service life and the corrosion resistance of the coating are further improved, polyether sulfone is introduced, more hydroxyl groups and sulfone groups are introduced, intermolecular hydrogen bonds are easily formed with aquatic products rich in hydroxyl groups, an included angle of more than 90 degrees cannot be formed between water and the surface of the coating, the hydrophobicity is poor, and the cleaning difficulty is increased.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a polyether sulfone coating composition as well as a preparation method and application thereof.
Background
At present, the heating mode of kitchen stoves nationwide mainly takes canned natural gas open fire heating as a main mode, and a natural gas tank is equivalent to a bomb, so that leakage poisoning and even explosion are easily caused if the operation is not proper. In addition, the open fire heating mode needs to consume oxygen, is not suitable for being used in an environment with poor ventilation, is limited in use environment and is easy to cause accidents. In recent years, China vigorously and comprehensively regulates the use of canned natural gas, and particularly prohibits the use of canned natural gas and open fire operation in rental houses and production enterprises with intensive staff. Causing inconvenience to life and production.
Natural gas is from petroleum and is a non-renewable resource, global petroleum resources are in increasing shortage, and CO generated by combustion of natural gas2The pollution to the atmosphere is also caused by excessive consumption, so that the use of clean energy is a development direction, and the electric energy is a new energy direction recognized globally at present. The electric heating method of the household appliances and the kitchen appliances can gradually replace the existing open fire heating mode, and the electric heating plate can become a new favorite in the kitchen appliances in the future. With the application of the electric heating plate, development of the coating for the cooker is brought, at present, the coating is more applied to the wall, the coating for the cooker is also available, but the performance is not excellent enough.
The paint mainly comprises a film forming substance, a solvent, a pigment filler and an auxiliary agent, wherein the film forming substance is the most important substance. With the development of the times, the film-forming material is no longer a natural material in the early stage but a high molecular resin with excellent performance. Among these, polyether sulfone resins such as polyether sulfone resins and polyphenylene sulfone resins are typical film-forming substances having excellent properties. Adhesion of the coating to the metal substrate is one of the important factors affecting these aspects. The adhesion is the basic performance of the coating, the good adhesion is a basic guarantee for the application of the coating, and meanwhile, the corrosion resistance of the coating can be improved, the service life of the coating can be prolonged, and the like. Thus, improving adhesion is a common goal of many paint researchers. But the adhesion is improved, and the problem of paint hydrophobicity is brought, so that the paint has poor hydrophobic property and self-cleaning property.
Accordingly, there is a need to develop a coating for cookers, which is excellent in non-tackiness, wear resistance, hydrophobic property, and self-cleaning property.
Disclosure of Invention
The invention aims to provide a polyether sulfone coating composition, a preparation method and application thereof, wherein the polyether sulfone coating composition has excellent non-stick property, wear resistance, acid and alkali resistance, self-cleaning property and excellent hydrophobic property and is specially used for cookers.
In order to achieve the purpose, the invention adopts the following technical scheme:
a polyethersulfone coating composition comprising the following components:
resin, solvent, hydrophobic agent and coupling agent; the resin is polyether sulfone resin; the HLB of the hydrophobic agent is less than 12.
Preferably, the composition comprises the following components in percentage by mass: 35 to 50 percent of polyether sulfone resin, 5 to 12 percent of solvent, 0.5 to 1.5 percent of hydrophobic agent and 0.01 to 1 percent of coupling agent.
Preferably, the polyether sulfone resin contains 30-40% of water and 10-20% of organic solvent.
Preferably, the polyethersulfone coating composition further comprises the following components: fluorine-containing resin, anti-settling agent, pigment and filler, film-forming additive and thickening agent.
Preferably, the polyethersulfone coating composition comprises the following components in percentage by mass: 35-50% of polyether sulfone resin, 0-10% of fluorine-containing resin, 5-12% of solvent, 0.5-1.5% of hydrophobic agent, 0.2-8% of pigment and filler, 4-12% of anti-settling agent, 0.01-1% of coupling agent, 0.01-1% of film-forming auxiliary agent and 0.01-1% of thickening agent.
When the hydrophobic surface tension meter observes the included angle between the coating and water, the included angle is larger than 95 degrees, and the fluorine-containing resin can not be added.
Preferably, the fluorine-containing resin is at least one of tetrafluoroethylene monomer and polytetrafluoroethylene.
More preferably, the polytetrafluoroethylene is one of polytetrafluoroethylene resin micropowder or polytetrafluoroethylene emulsion.
Preferably, the hydrophobic agent is at least one of triethanolamine oleate, polyoxyethylene alkyl aryl ether and polyoxyethylene lauryl ether; the HLB value of the triethanolamine oleate is 12.
Preferably, the solvent is one of dimethylacetamide, dimethylformamide, xylene or pyrrolidone.
Preferably, the coupling agent is at least one of a silane coupling agent or a titanate coupling agent.
Preferably, the pigment and filler is at least one of nano graphite, nano aluminum powder and silicon dioxide.
The nano graphite has the performance of low surface performance and low friction coefficient, and can improve the hydrophobicity and the wear resistance of the coating, namely improve the cleaning performance of the coating; the main component of the nano aluminum powder is Al2O3The compact aluminum oxide film can be formed in the coating, has very good chemical inertia, does not react with weak acid and weak base, and can further improve the acid and alkali resistance of the coating; the silicon dioxide is both a pigment filler and an anti-settling agent.
Preferably, the film forming auxiliary agent is at least one of triethylene glycol monoethyl ether or propylene glycol butyl ether.
Preferably, the thickener is at least one of cellulose ether, sodium carboxymethyl cellulose, or methacrylic acid.
Preferably, the anti-settling agent is at least one of silicon dioxide and organic bentonite.
A method for preparing a polyethersulfone coating composition, comprising the steps of:
(1) adding polyether sulfone resin, pigment filler and fluorine-containing resin into a part of solvent for grinding and dispersing to obtain fine slurry;
(2) and filtering the fine slurry, adding an anti-settling agent, a coupling agent, a hydrophobic agent, a film forming aid and a thickening agent into the rest of the solvent, stirring and dispersing to obtain the polyether sulfone coating composition.
Preferably, in step (1), the milling time is 2 to 6 hours.
Preferably, in the step (2), the mesh number of the filtration is 200-400 meshes.
Preferably, in the step (2), the rotation speed of the stirring is 500-960 r/min.
The invention also provides application of the polyether sulfone coating composition in preparation of a furnace heating plate coating.
The invention has the advantages that:
1. according to the polyether sulfone coating composition, polyether sulfone resin is used as a binder and a film forming agent, so that excellent adhesive force is obtained, the service life and the corrosion resistance of the coating are further improved, polyether sulfone is introduced, more hydroxyl groups and sulfone groups are introduced, intermolecular hydrogen bonds are easily formed with aquatic products rich in hydroxyl groups, an included angle of more than 90 degrees cannot be formed between water and the surface of the coating, the hydrophobicity is poor, and the cleaning difficulty is increased.
2. The nano graphite in the polyether sulfone coating composition has the performance of low surface performance and low friction coefficient, and can improve the hydrophobicity and the wear resistance of a coating; the main component of the nano aluminum powder is Al2O3The compact aluminum oxide film can be formed in the coating, has very good chemical inertness, does not react with weak acid and weak base, and can further improve the acid and alkali resistance of the coating.
Detailed Description
For a further understanding of the invention, preferred embodiments of the invention are described below with reference to the examples to further illustrate the features and advantages of the invention, and any changes or modifications that do not depart from the gist of the invention will be understood by those skilled in the art to which the invention pertains, the scope of which is defined by the scope of the appended claims.
Those who do not specify specific conditions in the examples of the present invention follow conventional conditions or conditions recommended by the manufacturer. The raw materials, reagents and the like which are not indicated for manufacturers are all conventional products which can be obtained by commercial purchase.
Examples
The components and amounts of examples 1-4 and comparative example 1 were carried out as shown in table 1:
TABLE 1
A method for preparing a polyethersulfone coating composition, comprising the steps of:
(1) adding polyether sulfone resin, graphite, nano aluminum powder and polytetrafluoroethylene into 1/2 dimethylacetamide, pyrrolidone and pure water, dispersing and grinding for 2 hours to obtain fine slurry;
(2) filtering the fine slurry through a 300-mesh sieve, adding silicon dioxide, a silane coupling agent, triethanolamine oleate, polyoxyethylene alkyl aryl ether, triethylene glycol monoethyl ether and cellulose ether into the rest of dimethylacetamide, stirring at the rotating speed of 500r/min, and filtering to obtain the polyether sulfone coating composition.
The coating process of the polyether sulfone coating composition disclosed by the invention comprises the following steps of: adding a solvent into the coating composition for viscosity adjustment, spraying the coating with proper viscosity onto a heating plate of a furnace by using an air spray gun and an air compressor, baking at 100-120 ℃ for 5-10 minutes, heating to 380-400 ℃ and curing for 5-15 minutes to obtain the coating.
The coatings produced by the above method required performance testing according to the following criteria and methods, with the results shown in table 1.
TABLE 1
As can be seen from table 1, examples 1 to 4 of the present invention have excellent hydrophobicity, and the angle between the coating and water observed by using a surface tensiometer is greater than 99 °, the hardness can reach 3H, and the abrasion resistance can reach more than 3000 r, while the angle between the coating and water observed in comparative example 1 is less than 95 °, and the hydrophobicity is poor.
While the polyethersulfone coating compositions and methods and uses thereof provided by the present invention have been described in detail above, the principles and embodiments of the present invention are described herein using specific examples, which are provided merely to facilitate an understanding of the methods and their core concepts, including the best mode, and to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The scope of the invention is defined by the claims and may include other embodiments that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Claims (10)
1. The polyether sulfone coating composition is characterized by comprising the following components: resin, solvent, hydrophobic agent and coupling agent; the resin is polyether sulfone resin; the HLB of the hydrophobic agent is less than 12.
2. The polyethersulfone coating composition of claim 1, comprising the following components in mass percent: 35 to 50 percent of polyether sulfone resin, 5 to 12 percent of solvent, 0.5 to 1.5 percent of hydrophobic agent and 0.01 to 1 percent of coupling agent.
3. The polyethersulfone coating composition of claim 1, further comprising the following components: fluorine-containing resin, anti-settling agent, pigment and filler, film-forming additive and thickening agent.
4. The polyethersulfone coating composition of claim 3, comprising the following components in mass percent: 35-50% of polyether sulfone resin, 0-10% of fluorine-containing resin, 5-12% of solvent, 0.5-1.5% of hydrophobic agent, 0.2-8% of pigment and filler, 4-12% of anti-settling agent, 0.01-1% of coupling agent, 0.01-1% of film-forming auxiliary agent and 0.01-1% of thickening agent.
5. The polyethersulfone coating composition of claim 3, wherein said pigment filler is at least one of nano-graphite, nano-aluminum powder, and silica; the film-forming additive is at least one of triethylene glycol monoethyl ether or propylene glycol butyl ether.
6. The polyethersulfone coating composition of claim 3, wherein said thickener is at least one of a cellulose ether, sodium carboxymethylcellulose, or methacrylic acid; the anti-settling agent is at least one of silicon dioxide or organic bentonite.
7. The polyethersulfone coating composition of claim 3, wherein said fluorine-containing resin is at least one of tetrafluoroethylene monomer and polytetrafluoroethylene.
8. The polyethersulfone coating composition of claim 1, wherein said hydrophobic agent is at least one of triethanolamine oleate, polyoxyethylene alkylaryl ether, polyoxyethylene lauryl ether; the coupling agent is at least one of silane coupling agent or titanate coupling agent.
9. A method of preparing a polyethersulfone coating composition as claimed in any one of claims 3-8, comprising the steps of:
(1) adding polyether sulfone resin, pigment filler and fluorine-containing resin into a part of solvent for grinding and dispersing to obtain fine slurry;
(2) and filtering the fine slurry, adding an anti-settling agent, a coupling agent, a hydrophobic agent, a film forming aid and a thickening agent into the rest of the solvent, stirring and dispersing to obtain the polyether sulfone coating composition.
10. Use of a polyethersulfone coating composition as claimed in any one of claims 1-8 in the preparation of a heat-generating pan coating for an oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110063582.8A CN112795306A (en) | 2021-01-18 | 2021-01-18 | Polyether sulfone coating composition and preparation method and application thereof |
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| CN202110063582.8A CN112795306A (en) | 2021-01-18 | 2021-01-18 | Polyether sulfone coating composition and preparation method and application thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56143120A (en) * | 1980-04-04 | 1981-11-07 | Daikin Ind Ltd | Kitchen instrument applied with fluorine resin coating |
| CN1112949A (en) * | 1994-03-14 | 1995-12-06 | 住友电气工业株式会社 | Coat composition of fluorine |
| JP2004204073A (en) * | 2002-12-25 | 2004-07-22 | Daikin Ind Ltd | Coating composition, coating film, and coated article |
| JP2010196039A (en) * | 2009-01-27 | 2010-09-09 | Du Pont Mitsui Fluorochem Co Ltd | Aqueous coating material |
| CN106590219A (en) * | 2016-12-23 | 2017-04-26 | 余姚市赫玛涂料有限公司 | High thermal-conductive oily anti-sticking coating and preparation method and applications thereof |
| CN107353814A (en) * | 2017-07-12 | 2017-11-17 | 杭州吉华高分子材料股份有限公司 | A kind of water-based very color imitative stone non-viscous paint for cooker and preparation method thereof |
| US20180037765A1 (en) * | 2015-03-13 | 2018-02-08 | Daikin Industries, Ltd. | Coating composition and coated article |
| CN108976941A (en) * | 2018-07-19 | 2018-12-11 | 杭州吉华高分子材料股份有限公司 | A kind of high abrasion non-viscous paint and preparation method thereof being exclusively used in cooker |
| CN111004572A (en) * | 2019-12-27 | 2020-04-14 | 广东四方英特宝新材料科技有限公司 | Water-based PES (polyether sulfone) coating and preparation method thereof |
| CN111040529A (en) * | 2019-12-27 | 2020-04-21 | 广东四方英特宝新材料科技有限公司 | Water-based non-stick coating and preparation method thereof |
-
2021
- 2021-01-18 CN CN202110063582.8A patent/CN112795306A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56143120A (en) * | 1980-04-04 | 1981-11-07 | Daikin Ind Ltd | Kitchen instrument applied with fluorine resin coating |
| CN1112949A (en) * | 1994-03-14 | 1995-12-06 | 住友电气工业株式会社 | Coat composition of fluorine |
| JP2004204073A (en) * | 2002-12-25 | 2004-07-22 | Daikin Ind Ltd | Coating composition, coating film, and coated article |
| JP2010196039A (en) * | 2009-01-27 | 2010-09-09 | Du Pont Mitsui Fluorochem Co Ltd | Aqueous coating material |
| US20180037765A1 (en) * | 2015-03-13 | 2018-02-08 | Daikin Industries, Ltd. | Coating composition and coated article |
| CN106590219A (en) * | 2016-12-23 | 2017-04-26 | 余姚市赫玛涂料有限公司 | High thermal-conductive oily anti-sticking coating and preparation method and applications thereof |
| CN107353814A (en) * | 2017-07-12 | 2017-11-17 | 杭州吉华高分子材料股份有限公司 | A kind of water-based very color imitative stone non-viscous paint for cooker and preparation method thereof |
| CN108976941A (en) * | 2018-07-19 | 2018-12-11 | 杭州吉华高分子材料股份有限公司 | A kind of high abrasion non-viscous paint and preparation method thereof being exclusively used in cooker |
| CN111004572A (en) * | 2019-12-27 | 2020-04-14 | 广东四方英特宝新材料科技有限公司 | Water-based PES (polyether sulfone) coating and preparation method thereof |
| CN111040529A (en) * | 2019-12-27 | 2020-04-21 | 广东四方英特宝新材料科技有限公司 | Water-based non-stick coating and preparation method thereof |
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