EP2435193A1 - Verfahren zur strukturierten beschichtung von substraten - Google Patents
Verfahren zur strukturierten beschichtung von substratenInfo
- Publication number
- EP2435193A1 EP2435193A1 EP10724295A EP10724295A EP2435193A1 EP 2435193 A1 EP2435193 A1 EP 2435193A1 EP 10724295 A EP10724295 A EP 10724295A EP 10724295 A EP10724295 A EP 10724295A EP 2435193 A1 EP2435193 A1 EP 2435193A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- liquid phase
- substrate
- nozzle
- organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/30—Processes for applying liquids or other fluent materials performed by gravity only, i.e. flow coating
- B05D1/305—Curtain coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/005—Curtain coaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
- B05D1/265—Extrusion coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
Definitions
- the invention relates to a method for the structured coating of substrates from the liquid phase and a device for structured coating. Furthermore, the invention comprises the use of the method.
- Coating materials provided.
- Common methods for applying surface coatings are the so-called slot die coating and curtain coating.
- slot die casting the material to be applied is pressed through a narrow gap in the liquid phase, for example in solvent or as a thermoplastic, and transferred to the web after emerging from the gap opening.
- the nozzle and the substrate in this case have a small distance from each other.
- Curtain casting differs primarily from a larger distance between nozzle and substrate. This leads to the formation of a closed curtain of the coating solution.
- a structured coating can e.g. by inserting a mask into the coating nozzle.
- Structuring by means of an insertion mask is known from the prior art.
- the clean separation of the strips especially in extremely low-viscosity, ie ⁇ 10 mPas, having media and narrow dividing lines (below a few millimeters) is very susceptible to interference.
- the parameters required for stable coating are technically only with great effort or not adjustable. Due to the defined dimensions of the insert mask, an individual variation of the stripe width as well as the stripe spacing of the structuring during the coating process is not possible. Only through the coating parameters, such as web speed, nozzle spacing, delivery volume, angle of attack of the nozzle, can the widths of uncoated lines or areas be influenced to a limited extent.
- Claim 21 relates to a device, claim 24, the use of the method. Further advantageous embodiments are contained in the dependent claims.
- a process for the structured coating of substrates from liquid phase, in which a coating film is deposited from the liquid phase by means of a surface coating process.
- the exit of the liquid phase is interrupted by targeted disruption of the surface coating method at least partially, whereby coated and uncoated areas are produced on the substrate.
- Surface coating methods are preferably selected from the group consisting of slot 0, curtain coating, knife coating, extrusion and combinations thereof used. By introducing defined disturbances into a laminar coating process, the tearing of the coating film and thus the formation of coated and uncoated areas is made possible. Depending on the liquid phases used, the appropriate method is chosen from those mentioned above.
- the interruption of the coating can be effected by a pressure and / or temperature change in the nozzle, at the exit point of the liquid phase and / or after the exit of the liquid phase.
- the structuring method according to the invention uses the failure mechanism, e.g. the Schlitzdüseng thinkvons by deliberately introduced a pressure fluctuation at the front slot nozzle gap through an air nozzle. As a result, the coating becomes unstable within a defined range and tears off, resulting in a fine dividing line and thus the desired fringe pattern.
- An air nozzle is understood to mean an arrangement which makes it possible to generate an air flow of defined cross section with a defined volumetric flow.
- At least one further medium can be fed into the nozzle, at the exit point of the liquid phase and / or after the exit of the liquid phase.
- the medium is preferably selected from the group consisting of solvents, inert materials, additives, dopants, dielectrics, plastics, organic and inorganic semiconductors in the liquid phase, conductive pastes and / or mixtures thereof.
- the conductive pastes may include graphite, silver, carbon nanotubes, graphene and / or doped semiconductors.
- the pressure change is preferably carried out by a directed to the exit point of the liquid phase air flow.
- the profile and the volume flow of the air flow can thus be adjusted via adjustable nozzles.
- the width and / or the position of the coating can be varied by changing the speed of the air flow.
- the width and / or the position of the coating can be effected by the nozzle shape, in particular by changing the nozzle shape by means of a rotating piezo element, and / or by changing the position of the nozzle.
- the interruption of the coating is produced by an ultrasonic device. Furthermore, this interruption of the coating film or the coating can be generated by at least one laser beam and / or heating wire.
- At least one insert mask can additionally be used. Furthermore, a structuring parallel to the direction of movement of the substrate can be generated by a targeted disturbance on the gesaraten length of the substrate.
- a structuring perpendicular to the direction of movement of the substrate can be generated by a targeted disturbance on the entire width of the substrate.
- the width and position of the strips can be determined by changes in the air currents, e.g. by moving the air nozzles, without changing the slot nozzle or the insertion mask during the coating can be varied.
- a structure that is more robust against unwanted interference can be achieved.
- a transverse structuring which is based on the same principle if the coating can be interrupted by a targeted air blast on the entire width of the slot nozzle or the disturbance by the air nozzle (s) can be shifted so quickly that in fact a Cross-structuring arises.
- the liquid phase is preferably selected from the group consisting of adhesives, paints, metallic paints, lacquers, in particular silver-conducting lacquers, solgels, thermoplastics, organic solvents, organic semiconductors, inorganic semiconductors, organic conductors, inorganic conductors, organic semiconductor nanoparticles, inorganic pigments. ladder nanoparticles, organic conductor nanoparticles, inorganic conductor nanoparticles, precursors and / or mixtures thereof.
- the substrate is preferably selected from the group consisting of paper, glass, fabrics, fabrics, plastics, plastic films, metal foils, natural materials, in particular leather, cork, latex and / or their compounds.
- Polymers e.g. Polyethylene or polypropylene and their composites are used. All web-like materials can be used for the process according to the invention.
- the viscosity of the liquid phase is in the range between 0 and 100 mPas.
- an optimal coating result of the surface is achieved.
- the position of the edges of the coating can be determined by detection.
- the detection is preferably carried out by means of camera, light barrier, infrared, optical methods as well as line detectors.
- the setting of the air nozzles can be regulated.
- a precise adjustment of the structuring process (line width and position) by a control loop is possible.
- the variability of the coating surfaces (width, distance, position) during the coating process and between two consecutive coating batches is thus made possible.
- the device for the structured coating of substrates consists of liquid
- Phase containing a surface coater with a Exit point for the liquid phase a unit for targeted and at least partially interrupted interruption of the exit of the liquid phase.
- the unit is a unit for generating pressure fluctuations before and / or at the exit point, in particular at least one nozzle for an air flow, a unit for generating ultrasound and / or a unit for generating at least one laser beam.
- a wide range of surface structuring depending on the liquid phase used as well as the substrate is made possible.
- the distance between the exit point for the liquid phase and the substrate is preferably between 0 and 1 m, preferably between 0 and 5 cm, more preferably between 0 and 5 mm, in particular between 0 and 0, 5 mm.
- the invention comprises the use of the method already described for the production of chips, solar cells, biochips, LEDS, organic
- Figure 1 shows a device for structured
- Figure IA shows a device for structured Coating by slot die casting as side view.
- FIG. 1B shows a device for structured coating by slot die casting as
- Figure 2 shows a device for structured
- FIG. 2A shows a device for structured coating during curtain casting as a side view.
- Figure 2B shows a device for structured
- FIG. 1 shows a device for structured coating by means of slot die casting.
- Positioning units 3, which have air nozzles 4 on their underside, are attached to the slot nozzle 2.
- the substrate 5 is provided with the coating film 6 and transported via the guide roller 1.
- FIG. 1A shows the side view of a device for structured coating by means of slot die casting.
- the substrate 5 is provided with a coating film 6 and guided over the guide roller 1.
- the liquid phase is over the
- the positioning unit 3 serves to guide the air nozzles 4.
- FIG. 1B shows an illustration of the apparatus for structured coating by slot die casting as a frontal view.
- the air nozzles 4 are over the positioning units 3 are attached to the slot nozzle 2. This is guided over the guide roller 1.
- FIG. 2 shows a device for structured coating during curtain casting.
- the substrate 5 is provided with a coating film 6 and passed over a guide roller 1.
- the liquid phase is applied by means of a slot nozzle 2, which has a positioning unit 3 for positioning the air nozzles 4, which is attached to the slot nozzle 2.
- FIG. 2A shows this side view of a device for structured coating during curtain casting.
- the coating film 6 is applied to the substrate 5 via a slot die 2, which is guided over a guide roller 1.
- the slot nozzle 2 has a positioning unit 3 with air nozzles 4.
- FIG. 2B shows the frontal view of a device for structured coating during curtain casting.
- the positioning unit 3, which positions the air nozzles 4, is arranged on the slot nozzle 2.
- the substrate 5 is guided over the guide roller 1.
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009023403A DE102009023403A1 (de) | 2009-05-29 | 2009-05-29 | Verfahren zur strukturierten Beschichtung von Substraten |
PCT/EP2010/003275 WO2010136213A1 (de) | 2009-05-29 | 2010-05-28 | Verfahren zur strukturierten beschichtung von substraten |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2435193A1 true EP2435193A1 (de) | 2012-04-04 |
Family
ID=42634866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10724295A Withdrawn EP2435193A1 (de) | 2009-05-29 | 2010-05-28 | Verfahren zur strukturierten beschichtung von substraten |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120164348A1 (de) |
EP (1) | EP2435193A1 (de) |
DE (1) | DE102009023403A1 (de) |
WO (1) | WO2010136213A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012024754A1 (de) | 2012-12-18 | 2014-06-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dünnschichtsolarzellenanordnung sowie Verfahren zu deren Herstellung |
WO2014178818A1 (en) * | 2013-04-29 | 2014-11-06 | Hewlett-Packard Development Company, L.P. | Selective slot coating |
KR101482655B1 (ko) * | 2013-07-10 | 2015-01-16 | 한국과학기술원 | 탄소기반 자기조립층의 열처리를 통한 고품질 그래핀의 제조 방법 |
DE102014003632A1 (de) * | 2014-03-14 | 2015-09-17 | Olbrich Gmbh | Verfahren und Vorrichtung zum Beschichten eines bahnförmigen Trägermaterials |
DE202016103570U1 (de) * | 2016-07-04 | 2017-10-05 | Nordson Corp. | lnspektionsvorrichtung zum Inspizieren von Klebstoffmustern auf einem Substrat |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3867901A (en) * | 1968-06-03 | 1975-02-25 | Eastman Kodak Co | Apparatus for production of photographic elements |
DE1951531A1 (de) * | 1969-10-13 | 1971-05-06 | Juenkerather Maschbau Gmbh | Hubmittel (Spreader) fuer Transportbehaelter |
US4106437A (en) * | 1977-08-22 | 1978-08-15 | Eastman Kodak Company | Apparatus for multiple stripe coating |
DE3241831A1 (de) * | 1982-11-12 | 1984-05-17 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und vorrichtung zur erzeugung der breite oder der streifenbreite von beschichtungen auf bahnen |
US4900390A (en) * | 1986-05-14 | 1990-02-13 | Slautterback Corporation | Quasi-random dot pattern adhesive joining method |
US5183508A (en) * | 1987-11-23 | 1993-02-02 | Epicor Technology, Inc. | Apparatus for patch coating printed circuit boards |
US4938994A (en) * | 1987-11-23 | 1990-07-03 | Epicor Technology, Inc. | Method and apparatus for patch coating printed circuit boards |
JP2562941B2 (ja) * | 1988-06-02 | 1996-12-11 | 富士写真フイルム株式会社 | 塗布装置 |
WO1990000939A1 (en) * | 1988-07-20 | 1990-02-08 | Eastman Kodak Company | Curtain coating edge control method and apparatus |
JP2616107B2 (ja) * | 1990-03-07 | 1997-06-04 | 松下電器産業株式会社 | 塗布装置 |
US5147680A (en) * | 1990-11-13 | 1992-09-15 | Paul Slysh | Laser assisted masking process |
CA2098784A1 (en) * | 1992-07-08 | 1994-01-09 | Bentley Boger | Apparatus and methods for applying conformal coatings to electronic circuit boards |
US5700325A (en) * | 1994-08-03 | 1997-12-23 | Matsushita Electric Industrial Co., Ltd. | Coating device and a method of coating |
DE69521673T2 (de) * | 1994-12-27 | 2001-10-25 | Matsushita Electric Ind Co Ltd | Vorrichtung und Verfahren zur intermittierenden Beschichtung, Herstellungsverfahren von Batterieelektroden, und Zelle mit nichtwässerigem Elektrolyten |
US5505995A (en) * | 1995-02-02 | 1996-04-09 | Minnesota Mining And Manufacturing Company | Method and apparatus for coating substrates using an air knife |
DE19513531A1 (de) * | 1995-04-10 | 1996-10-17 | Du Pont Deutschland | Verfahren und Vorrichtung zur Verminderung von Störungen beim Vorhanggießen |
US6423144B1 (en) * | 1996-08-07 | 2002-07-23 | Matsushita Electric Industrial Co., Ltd. | Coating apparatus and coating method |
US5725910A (en) * | 1997-02-05 | 1998-03-10 | Eastman Kodak Company | Edge removal apparatus for curtain coating |
US6344088B1 (en) * | 1998-12-16 | 2002-02-05 | Matsushita Electric Industrial Co., Ltd. | Stripe coating applicator and method |
US20030157252A1 (en) * | 2002-01-09 | 2003-08-21 | Yasuhiko Tokimasa | Apparatus and method for applying coating solution, die and method for assembling thereof |
GB0204390D0 (en) * | 2002-02-26 | 2002-04-10 | Eastman Kodak Co | A method and system for coating |
DE102004044576B4 (de) * | 2004-09-13 | 2007-09-27 | Schott Ag | Verfahren und Vorrichtung zur Flüssigbeschichtung und deren Verwendung |
-
2009
- 2009-05-29 DE DE102009023403A patent/DE102009023403A1/de not_active Withdrawn
-
2010
- 2010-05-28 WO PCT/EP2010/003275 patent/WO2010136213A1/de active Application Filing
- 2010-05-28 EP EP10724295A patent/EP2435193A1/de not_active Withdrawn
-
2011
- 2011-11-21 US US13/301,104 patent/US20120164348A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2010136213A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102009023403A1 (de) | 2010-12-02 |
US20120164348A1 (en) | 2012-06-28 |
WO2010136213A1 (de) | 2010-12-02 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20111228 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NIGGEMANN, MICHAEL Inventor name: SCHLEIERMACHER, HANS-FRIEDER Inventor name: ZIMMERMANN, BIRGER |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWAN Owner name: ALBERT-LUDWIGS-UNIVERSITAET FREIBURG |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20161201 |