EP1729977A4 - Appareil et procede de fabrication d'un film a utiliser pour l'application de vernis et de couleur sur objet - Google Patents

Appareil et procede de fabrication d'un film a utiliser pour l'application de vernis et de couleur sur objet

Info

Publication number
EP1729977A4
EP1729977A4 EP04757224A EP04757224A EP1729977A4 EP 1729977 A4 EP1729977 A4 EP 1729977A4 EP 04757224 A EP04757224 A EP 04757224A EP 04757224 A EP04757224 A EP 04757224A EP 1729977 A4 EP1729977 A4 EP 1729977A4
Authority
EP
European Patent Office
Prior art keywords
film
varnish
layer
colour
onto
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Withdrawn
Application number
EP04757224A
Other languages
German (de)
English (en)
Other versions
EP1729977A1 (fr
Inventor
Maximilian Zaher
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.)
DeMaxZ AG
Original Assignee
DeMaxZ AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DeMaxZ AG filed Critical DeMaxZ AG
Publication of EP1729977A1 publication Critical patent/EP1729977A1/fr
Publication of EP1729977A4 publication Critical patent/EP1729977A4/fr
Withdrawn legal-status Critical Current

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
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B05D1/286—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers using a temporary backing to which the coating has been applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1708—Decalcomanias provided with a layer being specially adapted to facilitate their release from a temporary carrier
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B05D7/532—Base coat plus clear coat type the two layers being cured or baked together, i.e. wet on wet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B32B37/025—Transfer laminating

Definitions

  • the layers can be transferred onto a object to be decorated wherein the layers of varnish or colour a peeled off from the film.
  • the prior art according to EP 0 573 676 Bl discloses a process of decorating an object wherein a layer of varnish is applied onto a film comprising release properties. That layer of varnish is partially cured. A layer of colour is applied onto the partially cured varnish layer and a second layer of varnish is applied onto the colour layer. The second layer of varnish is also partially cured. Thereafter, the layers of varnish and colour, respectively, are transferred onto the object to be decorated (the "substrate"). After the transfer by release, the first and second varnish layers are completely cured.
  • EP 1 053 793 Al teaches the application of varnish and colour onto an object by means of a release film, wherein a glue is applied on top of the varnish layers and colour layers of the release film. When transferring the layers onto the object to be decorated, the glue is in direct contact with the object.
  • the prior art also knows a process of manufacturing a film that can be used to apply colour and varnish onto an object to be decorated wherein a first film comprising release properties is printed with a colour layer and, thereafter, that colour layer is transferred by release onto another film comprising release properties.
  • the other film is more flexible than the first film.
  • Objects of Invention It is an object of the present invention to provide a method and apparatus for manufacturing a film that can be used to apply colour and varnish onto an object to be decorated, wherein the colour and varnish comprise very good cohesion properties on the decorated object.
  • the object to be decorated may e.g. be made from wood or a wood-like material, or the object may be made from plastics or the like.
  • objects made of metal can be covered with colour and varnish by means of a film according to the present invention.
  • objects made of glass or ceramic material can be decorated with colour and varnish by means of a film according to the present invention.
  • the present invention teaches a process and apparatus for manufacturing a film that can be used to apply varnish and colour onto an object, the process comprising the steps of: (1) applying a layer of colour onto a first film, the first film comprising release properties; (2) applying a layer of varnish onto the layer of colour on the first film; (3) partially curing the layer of varnish; (4) transferring by release the layers of varnish and colour from the first film onto a second film comprising release properties, wherein the second film is more flexible than the first film; and (5) further curing the transferred layer of varnish on the second film.
  • the present invention teaches a process of manufacturing a film that can be used to apply colour and varnish onto an object, the process comprising the steps of: (1) applying a layer of varnish onto a first film, the first film comprising release properties; (2) applying a layer of colour onto the layer of varnish on the first film; (3) partially curing the layer of varnish; (4) transferring by release the layers of colour and varnish from the first film onto a second film comprising release properties, wherein the second film is more flexible than the first film; and (5) further curing the transferred layer of varnish on the second film.
  • an apparatus for manufacturing the film could comprise: (1) a varnish application station for applying a layer of varnish onto a first film, the first film having release properties; (2) a first curing station for partially curing the layer of varnish; (3) a supply cylinder for supplying a second film, the second film being more flexible than the first film; (4) a transfer station for transferring by release at least the layer of varnish from the first film to the second film; and (5) a second curing station for further curing the layer of varnish.
  • the first film comprises a colour layer. The colour layer may be on top of the varnish layer or underneath the varnish layer, i.e. in direct contact with the first film.
  • a heating station preferably a heating station using IR-radiation (Infra-Red) is arranged between the varnish application station and the first curing station.
  • the term "between" refers to the direction of movement of the first film through the apparatus, e.g. from a supply cylinder for the first film to the transfer station.
  • the first film is made of polypropylene
  • the second film is made of polyolefine, polyethylene, or PVC.
  • the partial curing in the first curing station is preferably performed by UV- sources emitting UV-radiation.
  • the complete curing of the varnish in the second curing station is, preferably, performed by UV-sources emitting UV-radiation.
  • the first film is made of polypropylene.
  • Polypropylene is relatively stiff, as compared to other films known in the prior art as having release properties.
  • a polypropylene film can be printed with a colour decoration in very good quality. If, in particular, three- dimensional objects are to be decorated, the relative stiffness (non flexibility) of the polypropylene film causes problems.
  • the colour layer and the varnish layer applied onto the colour layer or underlying the colour layer are transferred, via release technique, onto another film comprising release properties, wherein the other film is relatively more flexible than the polypropylene film such that the colour layer and the varnish layer can be transferred from the more flexible film with high quality onto a three-dimensional object, including the edges or recesses in the object.
  • the second, more flexible film are polyolefines, polyethylens, PVC, polyvenylalcohol.
  • the steps of the processes according to the present invention are performed in one and the same apparatus without time delay in between the steps.
  • the step of transferring by release the layers of varnish and colour from the first film onto the second film are performed directly, with minimum time delay, after the partial curing of the layer of varnish.
  • the partial curing is preferably performed by UV (Ultra Violet) radiation.
  • the further curing is preferably a complete curing, i.e. a complete cross-linking of the varnish.
  • the dye or ink most suitable for the present invention is selected as a UV- resistant dispersion colour.
  • the colour layer is formed by applying approximately 10 g (wet) or 3 g (dry) of dye per m 2 of film. Also sublimable dispersion dyes can be used for the colour layer.
  • Sublimable dispersion dyes are dyes which change directly from a solid state to a gas state and tend to permeate into the substrate as opposed to remaining strictly of the substrate surface.
  • the varnish to be used is known in the prior art, e.g. a varnish based on an alkyl- urethane-resin.
  • the product obtained in accordance with the process and apparatus of the present invention is a film that can be used to apply colour and varnish onto an object to be decorated.
  • the product is a film which can be manufactured and sold. It can be used by the customer e.g. in an apparatus using a membrane by which the film is pressed against the three-dimensional object to be decorated, as disclosed in EP 0 282 859 Bl.
  • Figures 1 to 4 illustrate a first embodiment of a process of manufacturing a film that can be used to apply colour and varnish onto an object.
  • Figures 5 to 8 illustrate another embodiment of such a process.
  • Figure 9 illustrates an apparatus according to the present invention for manufacturing a film that can be used to apply varnish and colour onto an object.
  • a first film 10 of polypropylene which in one embodiment may be 15-40 urn thick, is printed with a layer 14 which comprises a colour decoration.
  • the printing process as such is known in the art, one example of which is referred to as a "Gravure" process.
  • a layer 12 of a varnish is applied onto the layer 14 of colour. Normally, this varnish layer will range from 1 to 130 urn in thickness.
  • UV-radiation 18 indicated by arrows in Figure 2 is applied onto the film 10 carrying the layers of colour (14) and varnish (12).
  • the intensity of the UV- radiation is controlled such that the varnish is not completely cured (cross-linked) but only partially cured, i.e. the varnish is still relatively soft.
  • the degree of remaining softness of the varnish can be adjusted by the amount of UV-radiation and depends on the particular requirements which the final product film must fulfil which, on the other hand, depend on the dimensions and shape of the object eventually to be decorated.
  • the partial curing can be obtained by a radiation of approximately 50 to 80 watt/cm 2 depending of the thickness of the varnish layer.
  • the layers of varnish and colour are immediately, preferably only with the time delay of the film moving from one station to the next, transferred by release-technique onto another, second film 16 which also comprises release properties.
  • the result of that transfer is shown in Figure 3, i.e. the layer 12 of varnish is in direct contact with the film 16 whereas the colour layer is on top of the varnish layer.
  • the layer of varnish is completely cured by means of UV- radiation 20 as indicated in Figure 4.
  • the complete curing may be obtained e.g. by applying 120 watt/cm 2 .
  • the transfer from the first to the second film can be eased by applying a pressure of 1 to 2 bar and an elevated temperature of 120 to 180°C.
  • the film 16 comprising the colour layer 14 and the completely cured varnish layer 12 can be used for decorating a product. That decoration is performed in accordance with the prior art, i.e. the layers of varnish and colour are transferred by release onto the object, e.g. in accordance with EP 0 573 676 Bl (wherein the object is called a "substrate"), which is incorporated by reference herein.
  • the complete curing, i.e. the complete cross-linking is not performed on the decorated object, i.e.
  • colour layer 14 may consist of several sub-layers, such as a top coat, a primer, and an adhesive. When colour layer 14 is applied to the object, it is the adhesive sub-layer which binds the combined colour layer 14 and varnish layer 12 to the object.
  • Figures 5 to 8 show another embodiment of the present invention in which the layers comprise the same reference numerals as in Figures 1 to 4. Different from Figures 1 to 4, Figures 5 to 8 illustrate a process wherein the layer 12 of varnish is applied first onto the polypropylene film 10.
  • the layer 14 of colour is applied onto the layer 12 of varnish.
  • UV-radiation 18 is applied onto the layer of varnish such that it is partially cured, similar to the embodiment shown in Figure 2.
  • both the colour layer 14 and the varnish layer 12 are transferred by release technique onto another film 16 comprising release properties such that the varnish layer 12 is covering the colour layer 14.
  • Complete curing by UV-radiation 20 is illustrated in Figure 8.
  • the final product illustrated in Figure 8 is a film 16 ready for decorating an object, as described above in more detail in connection with the embodiment shown in Figures 1 to 4.
  • the embodiments illustrated in Figures 1 to 8 can be modified such that more than one colour layer is applied and more than one varnish layer is applied.
  • FIG. 9 illustrates an apparatus for performing both of the afore-mentioned methods of manufacturing a film that can be used to apply varnish and colour onto an object.
  • a base 30 various stations are arranged to perform the necessary steps to obtain the film.
  • a supply cylinder 32 is provided for supplying a printed first film 10.
  • first film 10 may be already printed with a layer 14 of colour in accordance with Figures 1 to 4.
  • the supply cylinder 32 in Figure 9 supplies a film 10 carrying a layer 14 of colour.
  • the film 10 is advanced, via rollers 34, into a varnish application station 36.
  • a varnish layer 12 (see Figure 1) is applied onto the layer 14 of colour.
  • the varnish application station 36 comprises rollers 36a, 36b for applying the varnish onto the film.
  • Such application rollers are known as such in the prior art.
  • the application station 36 could comprise a set of rollers such as described in co-pending application PCT Application No.
  • a varnish supply 36c is also indicated schematically in Figure 9.
  • varnish application station 36 varnish is applied onto the film so that the film is completely covered with varnish, the colour layer being underneath the varnish.
  • the varnish layer will have a thickness between 1 and 130 um.
  • the film is advanced to a heating station 38 in which the varnish is gently heated such that the varnish is more homogeneously distributed on the film.
  • IR-sources 38a are used.
  • the varnish may be heated at 60 ° C to 90 °C for 10 to 15 seconds, but this temperature and heating time may be varied as necessary.
  • the first curing station 40 comprises larger roller 40a on which the film is advanced in Figure 9 from the left-hand side to the right-hand side.
  • UV-sources 40b are arranged for partially curing the varnish on the film 10.
  • the partial curing is obtained by applying a power of 50 to 80 watt/cm 2 , or even less than 50 watt/cm 2 if the varnish layer is sufficiently thin.
  • the roller 40a is preferably cooled by water.
  • the UV-sources 40b are fixed on a carriage 40c which can be moved from the position shown in full lines in the Figure to the position shown in dashed lines.
  • the left-hand position is the operating position.
  • the film 10a carrying the partially cured varnish is advanced to a transfer station 44.
  • the transfer of the varnish layer and the colour layer by means of the transfer rollers 44a, 44b is promoted by applying a pressure of 1 to 2 bar between the rollers and also an elevated temperature in the range of 120°C to 180°C, depending on the material of the film being used.
  • a supply cylinder 42 for supplying a second film 16 is also arranged near the transfer station 44 in order to supply the second film into that transfer station.
  • the transfer station 44 comprises transfer rollers 44a and 44b in order to transfer both the varnish layer and the colour layer from the first film 10a onto the second film 16.
  • the second film 16 is more flexible than the first film 10a. Because the first film 10a has released properties, the colour layer and the partially cured varnish layer are transferred by release from the first film onto the second film. This technique of release transfer is known as such in the art. After that transfer, both the first and second film are advanced in common via a roller 46 and another roller 46a to a separating roller 48. At the separating roller 48, the first film 10 is separated from the second film 16a such that the second film 16a carrying the layer of colour and the layer of varnish is advanced to a second curing station 52, whereas the first film 10 is collected at a collecting roller 50.
  • the varnish layer on the second film 16a is completely cured by UV-radiation provided by UV-lamps 52b.
  • the UV-lamps are arranged on a carriage 52c which can be moved into a non-operating position indicated by dashed lines in the Figure.
  • the complete curing of the varnish is preferably obtained by applying 120 watt /cm 2 , depending on the varnish that is used.
  • the completed film 16c is advanced via rollers 56 onto a collecting cylinder 58.
  • a complete product is ready for shipment to a customer that can use the film for applying varnish and colour onto an object by release technique because the second film 16 also comprises release properties.

Landscapes

  • Decoration By Transfer Pictures (AREA)

Abstract

L'invention concerne un appareil et un procédé de fabrication d'un film pouvant être utilisé pour l'application d'un vernis et d'une couleur sur un objet à décorer. Ce procédé consiste à: (1) appliquer une couche de couleur sur un premier film, possédant des propriétés de libération; (2) appliquer une couche de vernis sur la couche de couleur du premier film; (3) laisser partiellement durcir la couche de vernis; (4) transférer par libération les couches de vernis et la couleur du premier film au second film présentant des propriétés de libération, le second film étant plus souple que le premier; et (5) laisser durcir la couche de vernis transférée sur le second film.
EP04757224A 2004-02-23 2004-07-23 Appareil et procede de fabrication d'un film a utiliser pour l'application de vernis et de couleur sur objet Withdrawn EP1729977A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54673604P 2004-02-23 2004-02-23
PCT/US2004/023682 WO2005084963A1 (fr) 2004-02-23 2004-07-23 Appareil et procede de fabrication d'un film a utiliser pour l'application de vernis et de couleur sur objet

Publications (2)

Publication Number Publication Date
EP1729977A1 EP1729977A1 (fr) 2006-12-13
EP1729977A4 true EP1729977A4 (fr) 2009-07-01

Family

ID=38813046

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04757224A Withdrawn EP1729977A4 (fr) 2004-02-23 2004-07-23 Appareil et procede de fabrication d'un film a utiliser pour l'application de vernis et de couleur sur objet
EP05005641A Withdrawn EP1619022A1 (fr) 2004-02-23 2005-03-15 Procédé de fabrication d'un film qui peut être employé pour appliquer un vernis et une couleur sur un objet
EP05005642A Withdrawn EP1618966A1 (fr) 2004-02-23 2005-03-15 Appareil pour fabriquer un film qui peut être employé pour appliquer un vernis et une couleur sur un objet

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP05005641A Withdrawn EP1619022A1 (fr) 2004-02-23 2005-03-15 Procédé de fabrication d'un film qui peut être employé pour appliquer un vernis et une couleur sur un objet
EP05005642A Withdrawn EP1618966A1 (fr) 2004-02-23 2005-03-15 Appareil pour fabriquer un film qui peut être employé pour appliquer un vernis et une couleur sur un objet

Country Status (3)

Country Link
EP (3) EP1729977A4 (fr)
CN (1) CN1942329A (fr)
WO (1) WO2005084963A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2805820A1 (fr) 2013-05-23 2014-11-26 Mauro Andreatta Méthode de fabrication de feuilles possédant une surface résistante aux rayures et feuilles obtenues par ce procédé
EP3603982B1 (fr) * 2018-08-03 2020-10-07 Heidelberger Druckmaschinen AG Système d'impression d'un substrat
US11577275B2 (en) * 2019-08-26 2023-02-14 The Boeing Company Co-curable film layer application

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0573676A1 (fr) * 1992-05-19 1993-12-15 General Electric Plastics B.V. Utilisation d'une bande de support ayant des propriétés de décollage pour l'application de laque et de teinture sur un substrat
EP0993876A1 (fr) * 1998-10-13 2000-04-19 Bush Industries, Inc. Procédé d'application d'un décor coloré sur un substrat
EP0993875A1 (fr) * 1998-10-13 2000-04-19 Bush Industries, Inc. Procédé pour décorer un objet en le colorant
EP1053793A1 (fr) * 1999-05-17 2000-11-22 Argotec Lacksysteme GmbH Procédé pour l'application d' une peinture et d'un décor sur un objet et procédé et dispositif pour appliquer une peinture, un décor et un adhésif sur un film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2632343B2 (ja) * 1988-02-08 1997-07-23 大日本印刷株式会社 硬化性保護層を有する転写シートおよび転写方法
DE4404128A1 (de) * 1993-02-19 1994-08-25 Gao Ges Automation Org Sicherheitsdokument und Verfahren zu seiner Herstellung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0573676A1 (fr) * 1992-05-19 1993-12-15 General Electric Plastics B.V. Utilisation d'une bande de support ayant des propriétés de décollage pour l'application de laque et de teinture sur un substrat
EP0993876A1 (fr) * 1998-10-13 2000-04-19 Bush Industries, Inc. Procédé d'application d'un décor coloré sur un substrat
EP0993875A1 (fr) * 1998-10-13 2000-04-19 Bush Industries, Inc. Procédé pour décorer un objet en le colorant
EP1053793A1 (fr) * 1999-05-17 2000-11-22 Argotec Lacksysteme GmbH Procédé pour l'application d' une peinture et d'un décor sur un objet et procédé et dispositif pour appliquer une peinture, un décor et un adhésif sur un film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005084963A1 *

Also Published As

Publication number Publication date
EP1729977A1 (fr) 2006-12-13
EP1619022A1 (fr) 2006-01-25
WO2005084963A1 (fr) 2005-09-15
CN1942329A (zh) 2007-04-04
EP1618966A1 (fr) 2006-01-25

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