EP2786807A1 - Dispositif d'inertisation en présence d'un rayonnement UV dans des installations de passage ouvertes - Google Patents

Dispositif d'inertisation en présence d'un rayonnement UV dans des installations de passage ouvertes Download PDF

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Publication number
EP2786807A1
EP2786807A1 EP14000487.0A EP14000487A EP2786807A1 EP 2786807 A1 EP2786807 A1 EP 2786807A1 EP 14000487 A EP14000487 A EP 14000487A EP 2786807 A1 EP2786807 A1 EP 2786807A1
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EP
European Patent Office
Prior art keywords
lamp
irradiation
ppm
channel
inert gas
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.)
Granted
Application number
EP14000487.0A
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German (de)
English (en)
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EP2786807B1 (fr
Inventor
Mehnert Prof.Dr. Reiner
Riedel Dr. Carsten
Rolf Dr. Schubert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IOT - INNOVATIVE OBERFLAECHENTECHNOLOGIEN GMBH
Original Assignee
IOT - Innovative Oberflachentechnologie GmbH
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Priority to PL14000487T priority Critical patent/PL2786807T3/pl
Publication of EP2786807A1 publication Critical patent/EP2786807A1/fr
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Publication of EP2786807B1 publication Critical patent/EP2786807B1/fr
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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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0466—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0486—Operating the coating or treatment in a controlled atmosphere
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • 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
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • 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
    • B05D2252/00—Sheets
    • B05D2252/04—Sheets of definite length in a continuous process

Definitions

  • the invention relates to a device for inerting the irradiation zone in oxygen-sensitive UV curing and -Sober lake ModelltechniksRISen, which take place in a continuous operation.
  • Oxygen-sensitive chemical and physical surface processes such as the photochemical polymerization of acrylate-based paints and their surface structuring by means of short-wave UV radiation, must be carried out in as low-oxygen atmosphere as possible in order to avoid such effects as Peroxyradikal- and ozone formation and energy loss.
  • reaction space with an inert gas such as nitrogen, argon or CO 2 , but preferably pure nitrogen, rinsed to displace atmospheric oxygen.
  • an inert gas such as nitrogen, argon or CO 2 , but preferably pure nitrogen
  • the residual oxygen content in the inert gas of the channel is meanwhile also measured and thus the inert gas feed is regulated.
  • the inert gas purging of the irradiation channel is a metastable aerodynamic system and not only the lowest possible residual oxygen content, but a largely homogeneous inert gas atmosphere is required, except for the retention of atmospheric oxygen in the channel constructive measures for a uniform inert gas and avoidance to meet flow profile disturbances in the channel.
  • This gas distribution is installed in the lamp ceiling at 172 nm excimer emitters, which are used for microstructuring of acrylate lacquer surfaces (physical matting by photochemical microplating).
  • the radiator is uniformly cooled over the entire radiator length with the cold pure nitrogen, and since the excimer lamp does not require a quartz disc, the nitrogen flows from the lower lamp opening for inerting in the irradiation channel. It even proposes an automatic differential pressure adjustment by varying the effective area of the porous gas distribution element.
  • the inert gas is fed through a so-called volume filling nozzle, which can also work on the basis of a porous gas distribution element over the entire channel width.
  • the product inlet side is used for better retention of atmospheric oxygen and for "peeling" of the oxygen from the paint surface, a so-called “doctor blade” or “peeling".
  • the amount of inert gas fed in must be matched to the throughput speed of the product - the best way to control this at variable speed - in order to prevent product outflow on the side of the product.
  • product inlet side gas barrier are usually a simple height-adjustable aperture over the entire channel width or even a labyrinth ( WO 2005 075111 A1 ) and product outlet side a rubber sealing lip, a brush element or also a labyrinth for a non-contact execution, wherein at the labyrinths an inert gas feed and residual oxygen measurement can take place ( WO 2005 075111 A1 ).
  • the residual oxygen measurement in the inert gas of the irradiation zone is due to its large measuring range (1 ppm to> 21% O 2 ) and its short response time even to Inertgasmengenregelung.
  • the gas is continuously sucked through the measuring cell by means of a small gas pump via a tube probe in the channel ceiling - usually arranged in the middle of the channel.
  • UV inerting systems on the market function in principle, they are susceptible and inadequate with respect to the stability of the inert regime - laterally uniform residual oxygen concentration and small variations over time in the passage - as well as inert gas consumption.
  • Object of the present invention is therefore to propose a device for inerting the irradiation zone, with the lowest inert gas consumption, a stable and homogeneous inerting of the irradiation zone is achieved, so that UV curing and photochemical surface structuring can be done under technically advantageous conditions.
  • Essential inventive features are that the irradiation channel is used in a flat as possible embodiment, and thus a high relative velocity between the coated product surface and inert gas is formed, but does not affect the uniformity of the coating in order to have a positive effect on the O 2 -Stoffübergangskostory and to achieve a rapid removal of the exchanged oxygen and at the same time to provide a directed inert gas flow, whereby vertical and horizontal turbulence, which can lead to air inflow, are largely excluded.
  • the device according to the invention has an inerted inlet section in front of the UV lamp with such a length that the required residence time in the inert gas atmosphere is available for the removal of oxygen from and from the coating, whereby such a flow zone also has a positive effect on the flow profile and thus affecting the uniformity of the residual oxygen distribution.
  • the product inlet and outlet side gap adjustment is matched in terms of resistance so that the outlet side, the larger gas barrier arises and thus the inert gas in countercurrent to the product conveying direction must emerge on the product side.
  • the product inlet side is a labyrinth, as in WO 2005 075111 A1 suggested, is not appropriate.
  • the adjustment of the residual oxygen level and the Inertgas kits results in a speed-dependent gap height of the inlet aperture, which recommends a speed-dependent control of the gap height analogous to the inert gas via the residual oxygen measurement.
  • the device according to the invention has a diffuser-like beveled inlet aperture, by means of which tear-off turbulences and dead zones are reduced,
  • the device has a segmentation of the inlet aperture and the outlet barrier (sealing lip or labyrinth) in order to exclude lateral zones of lower resistance than over the product surface by adaptation to the product width and thus to counteract a negative influence on the gas flow in the channel and Heileinsaugerscheinept.
  • the nip side of the runner segments of a web equipment is provided with a soft sealing material such as felt or a special closed pored rubber lip to provide a better sealing effect on a chill roll, but to avoid web breakage through the segment when the web is running sideways.
  • a soft sealing material such as felt or a special closed pored rubber lip to provide a better sealing effect on a chill roll, but to avoid web breakage through the segment when the web is running sideways.
  • Another feature to solve the problem is the choice of a suitable transport system for cargo handling equipment and a coordinated effective number and arrangement of the inert gas feed nozzles. If e.g. For flat sheets, a closed conveyor belt is selected, then the tape should have the lowest possible surface roughness. For thicker plates, which can entrain a relatively large amount of air, it is recommended to use a roller conveyor or a rod or mesh belt and a bottom nozzle in the inlet region at generally lower conveyor speeds than 20 m / min.
  • An inerting device is used for pure UV coating curing on a film web with only one medium pressure mercury lamp of a specific electrical power of 200 W / cm.
  • the clear channel height is 10 mm and the clear channel width is 600 mm.
  • the 500 mm wide web passes through the device at 100 m / min.
  • 300 ppm residual oxygen content is recorded at a nitrogen flow of 9 Nm 3 / h.
  • a minimum residence time of 250 ms would be required.
  • An attachment according to Fig. 2 is used for the physical matting of UV varnish-coated MDF sheets by means of 172 nm excimer photons and subsequent curing with long-wave UV light of a 160 W / cm medium pressure mercury lamp.
  • the clear Inertkanal altar is 30 mm and the clear channel width 1400 mm.
  • the plates with dimensions (LxWxH) 2000x1200x22 are moved at a speed of 10 m / min on a metal mesh belt through the VUV / UV system.
  • Microstructuring of the lacquer surface by photochemical microfilling is very sensitive to an inhomogeneous residual oxygen content in the irradiation zone, since the 172 nm photons are absorbed by oxygen under ozone formation and in the problem areas a VUV dose reduction occurs, which leads to structural influence and thus to visible local gloss differences.
  • the inertizing nitrogen is fed in via the excimer lamp (7), a fogging nozzle (4) and optionally an underfloor nozzle (5).
  • a fogging nozzle (4) for this purpose, the effect of a different length inlet zone and the Einlaufspalteinsannon according to Fig. 3 demonstrated.
  • a sealing lip forms the nitrogen barrier.
  • the oxygen measuring point is located shortly before the excimer lamp.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
EP14000487.0A 2013-04-05 2014-02-12 Dispositif d'inertisation en présence d'un rayonnement UV dans des installations de passage ouvertes Active EP2786807B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14000487T PL2786807T3 (pl) 2013-04-05 2014-02-12 Urządzenie do inertyzacji za pomocą promieniowania UV w otwartych układach przepustowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013005741.8A DE102013005741B3 (de) 2013-04-05 2013-04-05 Vorrichtung zur Inertisierung bei UV-Bestrahlung in offenen Durchlaufanlagen

Publications (2)

Publication Number Publication Date
EP2786807A1 true EP2786807A1 (fr) 2014-10-08
EP2786807B1 EP2786807B1 (fr) 2017-09-06

Family

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EP14000487.0A Active EP2786807B1 (fr) 2013-04-05 2014-02-12 Dispositif d'inertisation en présence d'un rayonnement UV dans des installations de passage ouvertes

Country Status (4)

Country Link
EP (1) EP2786807B1 (fr)
DE (1) DE102013005741B3 (fr)
ES (1) ES2650472T3 (fr)
PL (1) PL2786807T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107685013A (zh) * 2017-03-29 2018-02-13 佛山市中山大学研究院 一种具有气体保护的uv固化装置
US10180248B2 (en) 2015-09-02 2019-01-15 ProPhotonix Limited LED lamp with sensing capabilities
EP3415316B1 (fr) 2017-06-13 2020-04-08 Hymmen GmbH Maschinen- und Anlagenbau Procédé et dispositif de fabrication d'une surface structurée
IT201800010863A1 (it) 2018-12-06 2020-06-06 Ind Chimica Adriatica S P A In Sigla Ica S P A Sistema meccanico di riflessione ed irraggiamento per la reticolazione di vernici polimerizzabili uv.
CN113634464A (zh) * 2021-05-14 2021-11-12 邦弗特新材料股份有限公司 一种用于uv油漆固化的mec组合光源系统
US11559824B2 (en) 2019-05-03 2023-01-24 Hymmen Gmbh Maschinen-Und Anlagenbau Method for producing a structure on a surface
EP4134172A1 (fr) * 2021-08-10 2023-02-15 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Appareil de durcissement par ultraviolets et procédé de durcissement par ultraviolets
CN113634464B (zh) * 2021-05-14 2024-05-24 邦弗特新材料股份有限公司 一种用于uv油漆固化的mec组合光源系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016102187B3 (de) 2016-02-09 2017-08-10 Heraeus Noblelight Gmbh Vorrichtung für die Behandlung eines Substrats mit UV-Strahlung und Verwendung der Vorrichtung
WO2023222178A1 (fr) 2022-05-19 2023-11-23 IOT - Innovative Oberflächentechnologien GmbH Dispositif de rayonnement avec émetteurs à excimère en tant que source d'uv

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2038621A (en) * 1979-01-12 1980-07-30 Kleeneze Ltd Draught excluders for postal openings
DE3416502A1 (de) 1984-05-04 1985-11-07 Goldschmidt Ag Th Vorrichtung zum aushaerten von flaechigen werkstoffen aus durch uv-strahlung haertbaren verbindungen oder zubereitungen
WO2000000200A1 (fr) 1998-06-29 2000-01-06 Astrazeneca Ab COMPOSITION PHARMACEUTIQUE CONTENANT UN INHIBITEUR DE COX-2 ET UN INHIBITEUR DE iNOS
DE19916474A1 (de) 1999-04-13 2000-10-26 Ist Metz Gmbh Bestrahlungsgerät
NL1014546C2 (nl) * 2000-03-02 2001-09-04 Brabantia Nederland Bv Brievenbus met lamellen.
WO2005075111A1 (fr) 2004-01-28 2005-08-18 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Equipement de reticulation ultraviolette sous atmosphere controlee
EP1967284A2 (fr) * 2007-03-06 2008-09-10 Ist Metz Gmbh Procédé et dispositif de renforcement de rayonnement UV de revêtements de substrat
DE202005021576U1 (de) 2005-12-14 2008-11-06 Institut für Oberflächenmodifizierung e.V. Vorrichtung zur Durchführung eines Verfahrens zur Modifizierung von Oberflächen strahlenhärtbarer Farben und Lacke durch photochemische Mikrofaltung mittels kurzwelliger monochromatischer UV-Strahlung unter stabilen Bestrahlungs- und Inertisierungsbedingungen
DE102008061244A1 (de) 2008-12-10 2010-06-17 Innovative Oberflächentechnologie GmbH Verfahren und Apparatur zur direkten strahleninduzierten Polymerisation und Vernetzung von Acrylaten und Methacrylaten
WO2010120422A1 (fr) * 2009-04-15 2010-10-21 3M Innovative Properties Company Procédé et appareil d'enduction pour obtenir un revêtement ayant des défauts réduits
EP2374547A1 (fr) * 2010-04-08 2011-10-12 Co-Energy Engineering B.V. Procédé et dispositif de durcissement de revêtement
EP2418019A1 (fr) * 2010-08-13 2012-02-15 Hueck Folien Ges.m.b.H. Procédé de matification partielle de couches de laque UV
EP2666546A1 (fr) * 2012-05-25 2013-11-27 Veka AG Dispositif destiné au durcissement de laque

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8313810U1 (de) * 1983-05-10 1983-09-29 Dürr Anlagenbau GmbH, 7000 Stuttgart Geraet zum behandeln bahnfoermigen materials mit ionisierenden strahlen in inerter atmosphaere

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2038621A (en) * 1979-01-12 1980-07-30 Kleeneze Ltd Draught excluders for postal openings
DE3416502A1 (de) 1984-05-04 1985-11-07 Goldschmidt Ag Th Vorrichtung zum aushaerten von flaechigen werkstoffen aus durch uv-strahlung haertbaren verbindungen oder zubereitungen
EP0161540A1 (fr) 1984-05-04 1985-11-21 Th. Goldschmidt AG Dispositif pour durcir des matériaux plats par des combinaisons et des compositions durcissables par rayonnement U.V.
WO2000000200A1 (fr) 1998-06-29 2000-01-06 Astrazeneca Ab COMPOSITION PHARMACEUTIQUE CONTENANT UN INHIBITEUR DE COX-2 ET UN INHIBITEUR DE iNOS
DE19916474A1 (de) 1999-04-13 2000-10-26 Ist Metz Gmbh Bestrahlungsgerät
NL1014546C2 (nl) * 2000-03-02 2001-09-04 Brabantia Nederland Bv Brievenbus met lamellen.
WO2005075111A1 (fr) 2004-01-28 2005-08-18 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Equipement de reticulation ultraviolette sous atmosphere controlee
DE202005021576U1 (de) 2005-12-14 2008-11-06 Institut für Oberflächenmodifizierung e.V. Vorrichtung zur Durchführung eines Verfahrens zur Modifizierung von Oberflächen strahlenhärtbarer Farben und Lacke durch photochemische Mikrofaltung mittels kurzwelliger monochromatischer UV-Strahlung unter stabilen Bestrahlungs- und Inertisierungsbedingungen
EP1967284A2 (fr) * 2007-03-06 2008-09-10 Ist Metz Gmbh Procédé et dispositif de renforcement de rayonnement UV de revêtements de substrat
DE102008061244A1 (de) 2008-12-10 2010-06-17 Innovative Oberflächentechnologie GmbH Verfahren und Apparatur zur direkten strahleninduzierten Polymerisation und Vernetzung von Acrylaten und Methacrylaten
WO2010120422A1 (fr) * 2009-04-15 2010-10-21 3M Innovative Properties Company Procédé et appareil d'enduction pour obtenir un revêtement ayant des défauts réduits
EP2374547A1 (fr) * 2010-04-08 2011-10-12 Co-Energy Engineering B.V. Procédé et dispositif de durcissement de revêtement
EP2418019A1 (fr) * 2010-08-13 2012-02-15 Hueck Folien Ges.m.b.H. Procédé de matification partielle de couches de laque UV
EP2666546A1 (fr) * 2012-05-25 2013-11-27 Veka AG Dispositif destiné au durcissement de laque

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10180248B2 (en) 2015-09-02 2019-01-15 ProPhotonix Limited LED lamp with sensing capabilities
CN107685013A (zh) * 2017-03-29 2018-02-13 佛山市中山大学研究院 一种具有气体保护的uv固化装置
US11717850B2 (en) 2017-06-13 2023-08-08 Hymmen Gmbh Maschinen-Und Anlagenbau Method and apparatus for producing a decorative workpiece and workpiece
EP3415316B1 (fr) 2017-06-13 2020-04-08 Hymmen GmbH Maschinen- und Anlagenbau Procédé et dispositif de fabrication d'une surface structurée
US11141759B2 (en) 2017-06-13 2021-10-12 Hymmen GmbH Maschinen- und Anlagesbas Method and apparatus for producing a decorative surface
US11883843B2 (en) 2017-06-13 2024-01-30 Hymmen Gmbh Maschinen-Und Anlagenbau Method for producing a structured surface
US11420229B2 (en) 2017-06-13 2022-08-23 Hymmen GmbH Maschinen—und Anlagenbau Method and apparatus for producing a decorative surface
US11511318B2 (en) 2017-06-13 2022-11-29 Hymmen GmbH Maschinen- und Anlagenbau Method and apparatus for producing a decorative workpiece and workpiece
US11717851B2 (en) 2017-06-13 2023-08-08 Hymmen GmbH Maschinen—und Anlagenbau Method and apparatus for producing a decorative workpiece and workpiece
IT201800010863A1 (it) 2018-12-06 2020-06-06 Ind Chimica Adriatica S P A In Sigla Ica S P A Sistema meccanico di riflessione ed irraggiamento per la reticolazione di vernici polimerizzabili uv.
US11559824B2 (en) 2019-05-03 2023-01-24 Hymmen Gmbh Maschinen-Und Anlagenbau Method for producing a structure on a surface
CN113634464A (zh) * 2021-05-14 2021-11-12 邦弗特新材料股份有限公司 一种用于uv油漆固化的mec组合光源系统
CN113634464B (zh) * 2021-05-14 2024-05-24 邦弗特新材料股份有限公司 一种用于uv油漆固化的mec组合光源系统
EP4134172A1 (fr) * 2021-08-10 2023-02-15 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Appareil de durcissement par ultraviolets et procédé de durcissement par ultraviolets

Also Published As

Publication number Publication date
EP2786807B1 (fr) 2017-09-06
DE102013005741B3 (de) 2014-05-22
PL2786807T3 (pl) 2018-03-30
ES2650472T3 (es) 2018-01-18

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