CN103894326A - Teflon paint coating method - Google Patents
Teflon paint coating method Download PDFInfo
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- CN103894326A CN103894326A CN201410135278.XA CN201410135278A CN103894326A CN 103894326 A CN103894326 A CN 103894326A CN 201410135278 A CN201410135278 A CN 201410135278A CN 103894326 A CN103894326 A CN 103894326A
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Abstract
Disclosed is a telfon paint coating method. The telfon paint coating method includes that: telfon paint made from a same material is coated in different coatings; the telfon paint made from different materials is coated in layers so as to enable a formed final coating to be provided with characteristics of teflon in multiple varieties, due to the fact that the teflon coatings made from different materials are different in permeability and permeability characteristics, permeating speeds and permeating directions of the coatings after coating in layers are further changed, and the final telfon coating comprising a plurality of materials is enabled to be longer in permeating time and service life. A plurality of coatings are coated on the surface of a workpiece, so that flatness of the surface of the workpiece after integral coating can be improved; due to the fact that paint contrasted in colors is adopted to adjacent coatings, a coating effect can be directly obtained by observing colors of the workpiece during coating, missed points of the coatings can be obviously displayed to be found and recognized, and missing rate for coating is lowered.
Description
Technical field
The present invention relates to the technical field of paint spraying, is a kind of coating process of Teflon coating of the coating long service life that can reduce application missing rate and generation specifically.
Background technology
Teflon coating is the fluorine coating taking polytetrafluoroethylene (PTFE) as matrix resin, and English name is Teflon, is conventionally referred to as again Teflon, the rich dragon of iron, Teflon, teflon etc. (being all the transliteration of Teflon).Teflon coating is a kind of unique high-performance coating, combine heat resistance, chemical inertness and excellent insulation stability and low frictional properties, have the comprehensive advantage that other coating cannot contend with, the flexibility of its application makes it can be used for nearly all shape and big or small product.
Teflon is divided into PTFE, FEP, several fundamental types of PFA, ETFE: PTFE(polytetrafluoroethylene (PTFE)) non-viscous paint can be 260 DEG C of uses continuously, there is maximum operation (service) temperature 290-300 DEG C, extremely low coefficient of friction, good wearability and fabulous chemical stability.FEP(fluorinated ethylene propylene copolymer) non-viscous paint when baking melt-flow form nonporous film, there is remarkable chemical stability, fabulous sticky characteristic, maximum operation (service) temperature is 200 DEG C.PFA(crosses fluoroalkyl compound) non-viscous paint the same with FEP when baking melt-flow form nonporous film.The advantage of PFA is to have 260 DEG C of higher continuous serviceability temperatures, and the strong and unyielding degree that tool is stronger is particularly suitable for using antiseized under hot conditions and chemical resistance use field.ETFE is the copolymer of a kind of ethene and tetrafluoroethene, and this resin is the most tough and tensile fluoropolymer polymer, can form the coating that a layer height is durable, has remarkable chemical resistance, and can continuous operation at 150 DEG C.
After Teflon application, there is following characteristic: 1, viscosity not: nearly all material is not bonding with Teflon film.Very thin film also demonstrates well not adhesion property.2, heat resistance: Teflon film has good heat-resisting and low temperature tolerance characteristics.Short time can be high temperature resistant to 300 DEG C, generally between 240 DEG C ~ 260 DEG C, can use continuously, has significant heat endurance, and it can work and not embrittlement under cryogenic temperature, does not at high temperature melt.3, sliding: Teflon film has lower coefficient of friction.When load is slided, coefficient of friction changes, but numerical value is only between 0.05-0.15.4, moisture resistance: Teflon film without water stained on its surface and oil, when production operation, be also difficult for being stained with solution, as be stained with a small amount of dirt, simple wiping can be removed.Downtime is short, saves man-hour and can increase work efficiency.5, mar proof: under high capacity, there is good anti-wear performance.Under certain load, possesses wear-resistant and inadhesive two-fold advantage.6, corrosion resistance: Teflon is corroded by medicine hardly, can protect part to avoid suffering the chemical attack of any kind.That Teflon is widely used in is high temperature resistant, require to do the industry of viscosity.
The application of Teflon coating is divided into the dispersion coating coating process of wet type and the powder paint coating method of dry type conventionally.The coating process of dispersion coating is coating material to be evenly distributed in solvent form dispersion liquid (solid matter is mixed in liquid), and this mixture is by pressure-air atomization and be sprayed at surface of the work.The coating material using in powder paint coating method is ultrafine solid particle form, avoid using solvent, thereby the Divergent Phenomenon occurring while avoiding coating to adhere to makes in processing micro mist shape coating granule be attached on workpiece, subsequently, the micro mist of coating melting in baker.
But there is following defect in technical scheme used in the prior art:
Existing coating process all only generates a coating in coating process, the quality of this coating directly has influence on whole painting effect, in coating process, easily omit, on surface of the work, there is the holiday of coating, and because surface of the work in process exists nuance everywhere, when coating is thicker, cannot ensure that the coating performance of all positions is all consistent, and after application, the flatness of surface of the work is poor.
In addition, in existing Teflon coating process, only adopt the coating of single a kind of material, generation be also the coating of single a kind of material, only possess corresponding to this properties of materials.
Summary of the invention
The technical problem to be solved in the present invention is to provide the coating process of the Teflon coating that is specifically a kind of coating long service life that can reduce application missing rate and generation.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
The coating process of Teflon coating of the present invention, uses the not Teflon coating of same material to complete application by multiple different coating layerings.
The present invention can also adopt following technical measures:
The Teflon coating of different materials is corresponding different colours respectively.
The Teflon coating of each material is divided into again multiple different colours, the color difference of the Teflon coating that when application, adjacent coating adopts.
The coating of rear application covers the coating of first application completely.
The Teflon coating that is optionally no less than two kinds of colors in the Teflon coating of same material carries out the alternately application of same material coating.
The color contrast look each other of the Teflon coating that adjacent coating adopts.
Adopt the coating layering painting of at least two kind different materials in FEP, PFA and PTFE to be contained on processing work surface.
Advantage and good effect that the present invention has are:
In the coating process of Teflon coating of the present invention, use the Teflon coating layering of different materials to carry out application, make the final coating forming possess the characteristic of multiple Teflon simultaneously, because the permeability of the teflon coatings of different materials is different with Penetration Signature, according to further having changed coating penetration speed and infiltration direction after layer application, possess longer time of penetration so that include the final coating of the Teflon of multiple material, have longer service life.In the multiple coatings of processing work Surface Creation, the thickness of each coating is very thin, otherness and the rate of change of the surface of the work after single paint coating are less, thereby can improve the flatness of surface of the work after overall application, in addition because adjacent coating adopts the coating with contrast color, can intuitively draw painting effect by observing workpiece color in coating process, if there is leak source and also can clearly must be found and identify in coating, and then leak source is repaired, thereby the missing rate of reduction application.
Brief description of the drawings
Fig. 1 is the schematic cross-section that utilizes the final coating that coating process generates of Teflon coating of the present invention;
Fig. 2 utilizes the coating process of Teflon coating of the present invention in the coating of same material, also to adopt different colours and the final coating schematic cross-section generating;
Fig. 3 is the penetration mode schematic diagram that utilizes a kind of final coating of the coating process generation of Teflon coating of the present invention.
Detailed description of the invention
Referring to drawings and Examples, the present invention will be described in detail.
Fig. 1 is the schematic cross-section that utilizes the final coating that coating process generates of Teflon coating of the present invention; Fig. 2 utilizes the coating process of Teflon coating of the present invention in the coating of same material, also to adopt different colours and the final coating schematic cross-section generating; Fig. 3 is the penetration mode schematic diagram that utilizes a kind of final coating of the coating process generation of Teflon coating of the present invention.
The coating process of Teflon coating of the present invention, uses the not Teflon coating of same material to complete application by multiple different coating layerings.Be that final coating reality after application completes is made up of multiple coatings, the coating of different materials also can replace application.
The Teflon coating of different materials is corresponding different colours respectively.Difference by color is carried out visual differentiation to the material of coating.As shown in Figure 1, above-mentioned Teflon coating is divided into multiple different colours, the color difference of the coating that adjacent coating adopts.In Fig. 1 on the surface of processing work 1 successively application coating a, coating b, coating c and coating d totally four different coatings, the material of the Teflon coating that coating a adopts with coating d is identical, and it is not identical with the material of all the other coating b and coating c, on the painting color of four figure layers, have difference, four coatings have adopted four kinds of different colors to distinguish.
The coating of rear application covers the coating of first application completely, and each independent coating all covers completely to finished surface.
The Teflon coating of each material also can be divided into multiple different colours, in coating process, visual every kind of material teflon coatings desired thickness carries out the multiple coating of same material coating, whether but no matter be same material, the principle of following when application is the color difference of the Teflon coating of adjacent coating employing.The Teflon coating that is optionally no less than two kinds of colors in the Teflon coating of same material carries out the alternately application of same material coating.
As shown in Figure 2, on the surface of processing work 1 successively application coating e, coating f1, coating f2, coating f3 and coating g, totally five different coatings, the material of its floating coat coating f1, coating f2, coating f3 is identical, and color difference, all the other coating e, coating g are respectively the coating of different materials.Can be according to actual conditions, by the thickness of multiple each material coating of coating control.
When the painting number of plies is not more than the color category of Teflon coating, makes each figure layer corresponding a kind of color respectively, thereby make application result more directly perceived, in coating process, be also more prone to grasp progress and the technique of application.
The color contrast look each other of the Teflon coating that adjacent coating adopts, thus make the application result of adjacent coating more obvious, more easily find the leak source of coating by color contrast.
Adopt the coating layering painting of at least two kind different materials in FEP, PFA and PTFE to be contained on processing work surface.Wherein FEP and PFA belong to perfluorinated material, possess approximate molecular formula, and the adherence of film forming is also close, bi-material layering is replaced to the final coating obtaining after application and have better tolerance, corrosion resisting property.And PTFE belongs to PTFE, can be coated with and be contained in outermost layer and make processing work obtain better anti-wear performance.
As shown in Figure 3, in embodiment, use the Teflon coating layering of two kinds of different materials to carry out application, form coating 2a, coating 2b and coating 3, its floating coat 2a and 2b are the Teflons of same material, final coating after application possesses the characteristic of multiple Teflon simultaneously, and due to the permeability of the teflon coatings of different materials, aperture and Penetration Signature are all different, after layering application, comply with different material behaviors, coating is all being changed with coating conversion by the seepage velocity in process of osmosis and infiltration direction, figure bend direction illustrates aperture and the direction of coating, possess longer time of penetration so that include the final coating of the Teflon of multiple material, have longer service life.
In the multiple coatings of processing work Surface Creation, the thickness of each coating is very thin, otherness and the rate of change of the surface of the work after single paint coating are less, thereby can improve the flatness of surface of the work after overall application, because adjacent coating adopts the coating with contrast color, can intuitively draw painting effect by observing workpiece color in coating process in addition, also can clearly must be found if leak source appears in coating, and then leak source is repaired, thereby the missing rate of reduction application.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention with preferred embodiment openly as above, but, not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (7)
1. a coating process for Teflon coating, is characterized in that: use the not Teflon coating of same material to complete application by multiple different coating layerings.
2. the coating process of Teflon coating according to claim 1, is characterized in that: the Teflon coating of different materials is corresponding different colours respectively.
3. the coating process of Teflon coating according to claim 2, is characterized in that: the Teflon coating of each material is divided into again multiple different colours, the color difference of the Teflon coating that when application, adjacent coating adopts.
4. the coating process of Teflon coating according to claim 3, is characterized in that: the coating of rear application covers the coating of first application completely.
5. the coating process of Teflon coating according to claim 4, is characterized in that: the Teflon coating that is optionally no less than two kinds of colors in the Teflon coating of same material carries out the alternately application of same material coating.
6. according to the coating process of the Teflon coating described in claim 1 or 3, it is characterized in that: the color contrast look each other of the Teflon coating that adjacent coating adopts.
7. the coating process of Teflon coating according to claim 1, is characterized in that: adopt the coating layering painting of at least two kind different materials in FEP, PFA and PTFE to be contained on processing work surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410135278.XA CN103894326A (en) | 2014-04-04 | 2014-04-04 | Teflon paint coating method |
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| CN201410135278.XA CN103894326A (en) | 2014-04-04 | 2014-04-04 | Teflon paint coating method |
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| CN103894326A true CN103894326A (en) | 2014-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036516A (en) * | 2019-12-24 | 2020-04-21 | 托伦斯半导体设备启东有限公司 | Teflon spraying method |
Citations (5)
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| CN1708400A (en) * | 2002-11-07 | 2005-12-14 | 大金工业株式会社 | Layered fluororesin product, method of forming layered fluororesin product, and coated article |
| CN101452751A (en) * | 2007-11-28 | 2009-06-10 | 北京有色金属研究总院 | Single domain YBaCuO superconduction block material with teflon coatings and coating method thereof |
| CN102049372A (en) * | 2009-11-05 | 2011-05-11 | 海德堡印刷机械股份公司 | Method for multi-colour permanent varnishing of a product |
| US20130004755A1 (en) * | 2010-03-25 | 2013-01-03 | Du Pont-Mitsui Fluorochemicals Co., Ltd., | Coating composition, method for manufacturing film using the same, and coated article using the same |
| CN202806136U (en) * | 2012-09-27 | 2013-03-20 | 品川精密电镀（大连）有限公司 | Three-dimensional decoration structure |
-
2014
- 2014-04-04 CN CN201410135278.XA patent/CN103894326A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1708400A (en) * | 2002-11-07 | 2005-12-14 | 大金工业株式会社 | Layered fluororesin product, method of forming layered fluororesin product, and coated article |
| CN101452751A (en) * | 2007-11-28 | 2009-06-10 | 北京有色金属研究总院 | Single domain YBaCuO superconduction block material with teflon coatings and coating method thereof |
| CN102049372A (en) * | 2009-11-05 | 2011-05-11 | 海德堡印刷机械股份公司 | Method for multi-colour permanent varnishing of a product |
| US20130004755A1 (en) * | 2010-03-25 | 2013-01-03 | Du Pont-Mitsui Fluorochemicals Co., Ltd., | Coating composition, method for manufacturing film using the same, and coated article using the same |
| CN202806136U (en) * | 2012-09-27 | 2013-03-20 | 品川精密电镀（大连）有限公司 | Three-dimensional decoration structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036516A (en) * | 2019-12-24 | 2020-04-21 | 托伦斯半导体设备启东有限公司 | Teflon spraying method |
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Application publication date: 20140702 |