WO2006066719A2 - Piece moulee en matiere plastique et procede de realisation - Google Patents

Piece moulee en matiere plastique et procede de realisation Download PDF

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Publication number
WO2006066719A2
WO2006066719A2 PCT/EP2005/012965 EP2005012965W WO2006066719A2 WO 2006066719 A2 WO2006066719 A2 WO 2006066719A2 EP 2005012965 W EP2005012965 W EP 2005012965W WO 2006066719 A2 WO2006066719 A2 WO 2006066719A2
Authority
WO
WIPO (PCT)
Prior art keywords
plastic
layer
film
scratch
printed
Prior art date
Application number
PCT/EP2005/012965
Other languages
German (de)
English (en)
Other versions
WO2006066719A3 (fr
Inventor
Gunther Ellenrieder
Arnulf Frisch
Reiner Jocher
Peter Lehmann
Klaus-Erik Schmid
Original Assignee
Daimlerchrysler 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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2006066719A2 publication Critical patent/WO2006066719A2/fr
Publication of WO2006066719A3 publication Critical patent/WO2006066719A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B29C2045/14713—Coating articles provided with a decoration decorations in contact with injected material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B29C2045/14737—Coating articles provided with a decoration decorations printed on the insert by a digital imaging technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0005—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0087—Wear resistance

Definitions

  • the invention relates to a method for producing a plastic molding according to the preamble of patent claim 1 and a plastic molding produced by this method according to the preamble of patent claim 9.
  • plastic moldings are used with different colored and / or transparent areas. This poses the problem of producing areas of different coloration and transparency within a molding.
  • the invention has for its object to propose a plastic molding and a method for producing the molding, which has a high resistance to external influences in a simple and production-compatible production.
  • a plastic film material is printed on one side by means of a printing process for producing a plastic molding and provided on its side facing away from the printed side with a scratch-resistant layer. Furthermore, the film material is formed by a deep-drawing process and back-molded after forming from the printed side with a transparent plastic.
  • a robust plastic molded part can be produced in one step, which on the one hand in terms of decor, color and translucency is freely designable and on the other hand by the scratch-resistant coating has a high protection against shocks, shocks, UV radiation and scratches.
  • the film material is printed by means of a screen printing process.
  • This is a proven and widely used industrial process.
  • the film material can be printed by means of an inkjet printing process.
  • the ink-jet printing method offers the advantage over the screen printing method that all the colors can be applied in one process step, which eliminates the problem of exact positioning of the printed copies to the film (claim 3).
  • an electrically conductive material is used as the color layer.
  • the color layer of electrically conductive material on the one hand serve as an integrated into the plastic molding antenna.
  • the color layer of electrically conductive material can serve as a heating element integrated into the plastic molded part.
  • the scratch-resistant layer is produced by spraying a Siloxanlackes on the film material.
  • the scratch-resistant layer can be applied in a very simple manner (claim 7).
  • the scratch-resistant layer is produced together with the film material by coextrusion.
  • the scratch-resistant plastic layer is firmly connected to the film material from the beginning of the process.
  • a scratch-resistant layer of constant thickness can be achieved (claim 8).
  • the molded part comprises a plastic Film, a back-injected layer of transparent plastic, as well as a color layer between plastic film and back-injected plastic layer. Furthermore, the plastic molded part comprises a layer of a scratch-resistant plastic which adjoins the side of the film opposite the ink layer.
  • a plastic molding with high impact, impact and scratch resistance can be made without additional measures, which combines both transparent and non-transparent areas with or without decor in a component without joints.
  • a summary of individual components in a component with an associated cost savings is achieved (claim 9).
  • the material for the film material is polycarbonate. It is a high quality plastic with good use and processing properties (claim 10).
  • PMMA polymethyl methacrylate
  • FIG. 1 shows an embodiment of a plastic molding as a bumper with integrated light
  • FIG. 2 is a sectional view through the bumper of FIG.
  • Fig. 3 shows another embodiment as a printed
  • FIG. 4 is a detail view of the roof element according to FIG. Third
  • Fig. 1 shows an exemplary embodiment of a plastic molded part 1.
  • This is a bumper 3 for a motor vehicle with rear lights 5 integrated therein.
  • a functional area 7 of the bumper 3 has a specific coloration, for example the vehicle color, while for the rear lights 5 a red color Outside area 9 and a round transparent inner area 11 is provided.
  • Fig. 2 shows a detailed view of this plastic molding 1.
  • the molding 1 consists of four layers arranged on top of each other. These layers and their production will now be described in detail by means of an exemplary method for producing the plastic molded part 1.
  • a transparent film 13 made of a plastic is used as the basis.
  • This film 13 consists of a thermoplastic, thermoformable plastic.
  • a transparent film material 14 based on polycarbonate, PMMA, PET (polyester tartrate), SAN (styrene-acrylonitrile copolymer) or PS (polystyrene), also in combination with suitable blend materials, has proved to be suitable.
  • This film 13 is first of the one side, hereinafter referred to as the printing side 15 is provided with a color layer 17 by a printing process.
  • the different colors of the bumper 3 described above can be realized by a color layer 17, which accordingly consists of an opaque dye for the functional area 7 and a transparent red or orange dye for the outdoor area 9.
  • a screen printing method can be used as a method for applying the color layer 17.
  • a screen printing method By a screen printing method, a relatively thick ink layer 17 can be applied.
  • the ink layer 17 may be applied by an ink jet printing method. This offers the advantage that all required colors can be applied in one step by means of a print head, so that the print templates do not have to be repeatedly positioned with high precision during the printing process.
  • the printed film 13 is brought into the shape corresponding to that of the subsequent molded part 1. This is done by a deep drawing process.
  • the film 13 is drawn by heat and negative pressure in the form of a vacuum in a thermoforming mold, on whose wall it fits tightly.
  • a further plastic layer 25 of transparent plastic is sprayed onto the printed printing side 15 of the deformed film 13, on which the ink layer 17 is located, by an injection molding process.
  • This plastic layer 25 is significantly thicker than the film 13 and serves to provide the plastic molded part 1 with a dimensional stability.
  • the back-injected Plastic layer 25 consists in this embodiment of the same plastic material as the film 13, but it can also consist of another transparent, suitable for injection molding plastic. It would be conceivable in particular polyester, PC, PMMA, PS, ABS resin or polyfluorohydrocarbons.
  • This scratch-resistant layer 21 will lie in the later plastic molded part 1 on the outside facing the environment 23 of the plastic molded part 1.
  • the scratch-resistant layer 21 is applied to the outside 19 of the film 13 by spraying a siloxane paint on the back of the printed film.
  • the scratch-resistant layer 21 may also be formed by a dipping method, a plasma coating, a PVD
  • the entire bumper 3 can be provided on the outside 23 with a scratch-resistant layer 21 or only the area of the integrated taillights. 5
  • the plastic molded part 1 After coating the outer skin, the plastic molded part 1 is completed and can be used in the vehicle. It has on the outer side 23 a correspondingly high resistance to shocks, bumps, scratches or UV radiation. As in this embodiment too can recognize, can thus be produced 1 molded parts with curved geometries.
  • Fig. 3 shows a further exemplary embodiment of a plastic molded part 1, in this case a roof element 27 for a motor vehicle.
  • This roof element 27 must on the one hand at the edges 29, as shown, with a decor 31 in the form of opaque, for example, black dots 33 are provided. All other areas of the roof element 27 should be transparent.
  • the ink layer 17 comprises the dots 33 arranged at the edges 29.
  • the other regions of the film 13 which are later to be transparent are accordingly not printed.
  • Fig. 4 a detailed view of the roof element 27 is shown.
  • the structure of the cross section substantially corresponds to that in FIG. 2 shown cross-section of the bumper 3, with the difference that here between the ink layer 17 and the back-injected plastic layer 25, a bonding agent 37 ' is provided, since the plastic layer 25 and film 13 are made of different materials and therefore possibly. not stick together so well.
  • the preparation of the roof element 27 is similar to that of the bumper 3 of FIG. 1, with the difference that the scratch-resistant layer 21 is not sprayed on the film 13 here, but is connected directly to this during the production of the film 13 by a co-extrusion process.
  • Coextrusion processes are already well known in industrial practice. It is possible to produce a multilayer film composed of up to seven layers by coextrusion. In this case, the application of the color layer 17 takes place on a two-layer composite already consisting of film 13 and scratch-resistant layer 21.
  • Such an integrated roof element 27 can therefore be produced easily and in a few process steps using the method.
  • the order of the process steps for producing the plastic molded part 1 may vary.
  • a transparent roof element 27 as shown in FIG. 3 with an integrated antenna using the method produce.
  • heating elements in the form of printed heating wires can thus be introduced directly as a color layer, for example in the case of rear windows. Antenna and heating wires are protected by the film 13 and the scratch-resistant layer 21 from the environment.
  • plastic parts arranged on the outside of the motor vehicle body which have differently colored and / or transparent regions or incorporated conductive elements.
  • These may be, for example, light covers, especially for taillights, brake lights or turn signals, which are installed individually or integrated into existing elements such as exterior mirror housings, windows or bumpers.
  • Conceivable is the use of such plastic moldings 1 as rear windows or side windows, as transparent roofs, as exterior mirror housings with integrated turn signal or other integrated display elements, eg. B. for parking aids.
  • the invention is not limited to the illustrated methods or moldings. Depending on the application, for example, the order of the individual process steps can be changed.
  • thermoforming process with the help of vacuum
  • another thermoforming process is conceivable, for example deep drawing under pressure and / or temperature.
  • the adhesion promoter 37 can furthermore also be extruded directly with the film 13 and the scratch-resistant layer 21.
  • a different material can be used in addition to the material PMMA.

Abstract

La présente invention concerne un procédé pour réaliser une pièce moulée en matière plastique à partir d'un film de matière plastique transparente. Selon l'invention, le film de matière est imprimé sur un côté au moyen d'une méthode d'impression, et mis en forme au moyen d'une méthode d'emboutissage, puis une matière plastique transparente est injectée à l'arrière du film mis en forme, depuis son côté imprimé. Afin d'apporter des améliorations au procédé de l'invention, le film de matière présente selon l'invention sur son côté opposé au côté imprimé, une couche anti-rayures. L'invention a également pour objet une pièce moulée en matière plastique, réalisée à l'aide de ce procédé.
PCT/EP2005/012965 2004-12-17 2005-12-03 Piece moulee en matiere plastique et procede de realisation WO2006066719A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410060810 DE102004060810A1 (de) 2004-12-17 2004-12-17 Kunststoff-Formteil und Verfahren zu dessen Herstellung
DE102004060810.5 2004-12-17

Publications (2)

Publication Number Publication Date
WO2006066719A2 true WO2006066719A2 (fr) 2006-06-29
WO2006066719A3 WO2006066719A3 (fr) 2006-08-17

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PCT/EP2005/012965 WO2006066719A2 (fr) 2004-12-17 2005-12-03 Piece moulee en matiere plastique et procede de realisation

Country Status (2)

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DE (1) DE102004060810A1 (fr)
WO (1) WO2006066719A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006121484A3 (fr) * 2005-02-23 2007-12-06 Exatec Llc Panneaux en plastique possedant des caracteristiques uniformes de resistance aux intemperies
DE102015005569A1 (de) * 2015-04-29 2016-11-03 Audi Ag Verfahren zum Herstellen eines beleuchtbaren Anbauteils, beleuchtbares Anbauteil und Kraftfahrzeug mit einem Anbauteil

Families Citing this family (15)

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DE102006055996B4 (de) * 2006-11-28 2019-05-16 Bayerische Motoren Werke Aktiengesellschaft Karosserieteil für ein Kraftfahrzeug
EP2136983A1 (fr) 2007-03-16 2009-12-30 Johnson Controls Interiors GmbH & Co. KG Composant, en particulier élément de garniture interne, et procédé de fabrication dudit composant
DE102008061724B4 (de) * 2008-01-31 2012-04-19 Johnson Controls Automotive Electronics Gmbh Anzeigevorrichtung, Folie und Verfahren zu deren Herstellung
DE202008012433U1 (de) 2008-09-18 2009-01-22 First Composites Gmbh Formteil unter Verwendung von Fasergewebe
US7862220B2 (en) * 2009-03-10 2011-01-04 International Automotive Components Group North America, Inc Integration of light emitting devices and printed electronics into vehicle trim components
DE102009017363A1 (de) 2009-04-14 2010-10-28 Daimler Ag Dekorelement und Verfahren zu dessen Herstellung und Verfahren zu dessen Ansteuerung
DE102009030684A1 (de) 2009-06-26 2010-12-30 Daimler Ag Dekorelement und Verfahren zu dessen Herstellung, sowie Verfahren zum gesteuerten Beleuchten des Dekorelements
DE102009035907A1 (de) 2009-08-03 2011-02-10 Daimler Ag Siebdruck-Verbundfolienprodukt, Siebdruck-Verbundfolien-Halbzeug, Siebdruck-Verbundfolienformelement, Siebdruck-Verbundfolien-Bauteil und dessen Herstellungsverfahren
DE102012003412A1 (de) * 2012-02-23 2013-08-29 Daimler Ag Hinterleuchtetes Formteil und dessen Herstellungsverfahren
DE102013016325A1 (de) * 2013-10-04 2015-04-09 Webasto SE Verfahren zum Herstellen eines Fahrzeugaußenflächenbauteils und Fahrzeugaußenflächenbauteil
DE102014206034A1 (de) * 2014-03-31 2015-10-01 Magna Interiors Management Gmbh Bauteil aus transparenter Folie und Herstellung desselben
DE102014112470B4 (de) 2014-08-29 2018-06-21 Lisa Dräxlmaier GmbH Ausstattungsteil mit leuchtender sichtseite
DE102015104299A1 (de) 2015-03-23 2016-09-29 International Automotive Components Group Gmbh Innenverkleidungsteil für ein Kraftfahrzeug
DE102019131997A1 (de) * 2019-11-26 2021-05-27 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Integration eines Displays in eine Karosserieaußenhaut
DE102020127316A1 (de) 2020-10-16 2022-04-21 DIGEL STICKTECH GmbH & Co. KG Verfahren zur Herstellung eines Verbundbauteils, Verbundbauteil und Werkzeug zur Herstellung eines Vorformbauteils eines Verbundbauteils

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EP0412493A2 (fr) * 1989-08-11 1991-02-13 Leonhard Kurz Gmbh & Co. Procédé pour fabriquer des cartes
EP0534185A1 (fr) * 1991-09-14 1993-03-31 Kabelwerke Reinshagen GmbH Procédé pour fabriquer un article moulé
EP0619171A1 (fr) * 1993-04-09 1994-10-12 Consorzio Eagle Procédé pour décorer des éléments en polymère et éléments décorés obtenus
US20040157052A1 (en) * 2001-03-09 2004-08-12 Rym Benyahia Method for producing plastic glazing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0412493A2 (fr) * 1989-08-11 1991-02-13 Leonhard Kurz Gmbh & Co. Procédé pour fabriquer des cartes
EP0534185A1 (fr) * 1991-09-14 1993-03-31 Kabelwerke Reinshagen GmbH Procédé pour fabriquer un article moulé
EP0619171A1 (fr) * 1993-04-09 1994-10-12 Consorzio Eagle Procédé pour décorer des éléments en polymère et éléments décorés obtenus
US20040157052A1 (en) * 2001-03-09 2004-08-12 Rym Benyahia Method for producing plastic glazing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006121484A3 (fr) * 2005-02-23 2007-12-06 Exatec Llc Panneaux en plastique possedant des caracteristiques uniformes de resistance aux intemperies
DE102015005569A1 (de) * 2015-04-29 2016-11-03 Audi Ag Verfahren zum Herstellen eines beleuchtbaren Anbauteils, beleuchtbares Anbauteil und Kraftfahrzeug mit einem Anbauteil

Also Published As

Publication number Publication date
DE102004060810A1 (de) 2006-06-29
WO2006066719A3 (fr) 2006-08-17

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