EP3840945A1 - Film composite multicouche composé de matière plastique - Google Patents

Film composite multicouche composé de matière plastique

Info

Publication number
EP3840945A1
EP3840945A1 EP19739988.4A EP19739988A EP3840945A1 EP 3840945 A1 EP3840945 A1 EP 3840945A1 EP 19739988 A EP19739988 A EP 19739988A EP 3840945 A1 EP3840945 A1 EP 3840945A1
Authority
EP
European Patent Office
Prior art keywords
layer
translucent
composite film
opaque
openings
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.)
Pending
Application number
EP19739988.4A
Other languages
German (de)
English (en)
Inventor
Maik THIEL
Martin Köhl
Doreen HERZOG
Karl Buchkremer
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.)
Benecke Kaliko AG
Original Assignee
Benecke Kaliko 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 Benecke Kaliko AG filed Critical Benecke Kaliko AG
Publication of EP3840945A1 publication Critical patent/EP3840945A1/fr
Pending legal-status Critical Current

Links

Classifications

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    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/26—Vehicles, transportation
    • D06N2211/261—Body finishing, e.g. headliners
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2213/00—Others characteristics
    • D06N2213/04—Perforated layer

Definitions

  • the invention relates to a multilayer plastic film as
  • the composite film being at least partially, i.e. is translucent in parts of its surface and has at least one outer translucent cover layer, optionally provided with a translucent varnish, and on the back of the cover layer one or more further translucent plastic layers and a translucent carrier layer, an opaque, i.e. opaque layer is arranged, which as a flat and with
  • the invention also relates to a method for producing such a film and to a particular use.
  • Films in the form of multilayer composite films for coating or as surfaces of any objects are comprehensively known in the prior art, including the surface design of furniture and interior trim parts of vehicles, in particular motor vehicles.
  • grained, patterned or finely structured plastic skins are used as surfaces for the interior cladding, here often as relatively soft foamed foils with a pleasant feel, for example for the cladding of dashboards or the inner shells of doors etc.
  • These are adapted accordingly in terms of strength and design Films are of course also used for other high-quality coated goods.
  • Films for the interior cladding of motor vehicles, for furniture, bags etc. also commonly referred to as synthetic leather, often have a multi-layer structure and are often foamed and show three-dimensional structured surfaces in various shapes and designs on their top.
  • the multi-layer structure usually consists of an upper cover or decorative layer, which is provided with the embossed or molded surface, and one or more lower layers.
  • the top layer is usually provided with a lacquer layer and can also be colored. Appropriate adjustment of the layers, also through adapted softness or through the already mentioned foamed layers, creates an appealing haptic, ie a pleasant “soft” grip of the plastic film and also a certain gloss.
  • CA 2 454 911 A1 discloses a vehicle headlining as a molded part, which has strip-shaped electroluminescent elements
  • the vehicle headlining consists of a shaped carrier that is pressed into a component with a coating film. Electroluminescent elements are initially positioned in the carrier with their connecting cables through guided the carrier and then covered, fixed and pressed with the applied coating film. However, this requires a relatively complicated construction. In addition, the electroluminescent elements can also behind this
  • the decor surface / coating film become visible as bulges.
  • DE 10 2005 038 680 A1 discloses a component of a motor vehicle with a three-dimensional surface which has an electroluminescent layer and is injection molded with thermoplastic to fix the component shape. This means that essentially smaller, non-flexible luminous elements, such as, for. B. illuminated pushbuttons or lamps. The production of larger parts is rather difficult with this training.
  • DE 10 2015 101 331 A1 discloses a synthetic leather arranged on a textile carrier material in the form of a composite film, which has a translucent layer structure and has a permeability to visible light in a range of 0.4-60%. Within the surface coating of this composite film or within the
  • Layer structure is a so-called color structure, which causes a reduction in light transmission where it is arranged.
  • color structure which causes a reduction in light transmission where it is arranged.
  • This color structure can always be seen or only when the artificial leather is illuminated.
  • DE 10 2010 051 166 A1 discloses a method for producing a material with an opaque surface with a graphic, a logo or an animation visible on the surface when illuminated from the rear.
  • the graphic as such is translucent on a film and the interspaces are kept or designed opaque and then a translucent layer is applied.
  • the object of the invention was therefore to provide a film for the surface coating of objects, which has a functionalization in the form of a
  • the opaque layer directly adjoins the back layer in the direction of the carrier layer, the base material of the opaque layer being the same as that of the cover layer, that is to say the base material of the cover layer.
  • the basic material here is essentially the plastic material of the layers which is present in large proportions and which, of course, can contain various additives for setting the further material properties.
  • the opaque layer which is in the form of a flat mask or screen provided with openings, directly adjoins the cover layer, which means that one
  • the covering layer, or the coating is so small that there is no significant diffusion.
  • the image created by the aperture or masking on the surface of the cover layer is therefore very clear and sharply demarcated. This advantageous effect is supported by the fact that the top layer and the
  • Masking or aperture formed opaque layer have the same base material. This results in the same behavior of the two layers, for example under mechanical loads or under the influence of temperature.
  • a multilayer composite film in which these two layers from the same
  • Base material can therefore easily be stretched or mounted on molded parts without the clarity of the representations of the images created by the aperture or masking suffers. It is also advantageous if the back carrier layer is a textile carrier layer. Such a textile backing layer turns the laminated film into an artificial leather that can be sewn without problems, namely like a natural leather.
  • the opaque layer has a pigmentation and viscosity that differs from the pigmentation and viscosity of the cover layer. What is meant here is a distinction both in the number and in the type or color of the pigments.
  • the adaptation can be carried out in such a way that both the intensity of the light passing through and its color can be influenced, for example by adding different and possibly color-interacting color pigments.
  • a further advantageous embodiment is that the translucent cover layer, the translucent plastic layers, the carrier layer and the opaque layer have such a pigmentation that, when incident light is applied to the composite film, a uniform and opaque color impression is produced from the surface of the composite film, that is to say that the patterns or openings of the mask or aperture are not visible on the surface.
  • the outlines of the openings in the opaque layer on the surface of the composite film can only be recognized when there is backlighting, that is to say when the image is illuminated. This can also be achieved by adding pigments that differ in number and type or pigments that interact in terms of color (color pigments) in the material of the respective layers.
  • Multilayer composite film results from the fact that a light-emitting or conductive layer is formed below the opaque layer in the direction of the carrier layer.
  • an electroluminescent layer which can be activated via electrodes. This saves separate illuminants arranged below the entire layer composite.
  • Such a light-emitting layer can also be formed such that a layer is arranged within the layer composite, for example an optical layer made of PET or PET fibers, which is illuminated laterally and diffusely distributes the incident light over a surface area of the layer composite.
  • a layer is arranged within the layer composite, for example an optical layer made of PET or PET fibers, which is illuminated laterally and diffusely distributes the incident light over a surface area of the layer composite.
  • Multi-layer composite film is that the production in one
  • the reverse sweep procedure is carried out with the following steps: Applying a top coat forming the cover layer from a preferably pasty plastic material to a carrier film,
  • a surface structure of the film composite can then be formed either by a grained carrier film which contains the negative of the grain and to which the cover layer is applied, or by embossing after the film has been produced.
  • the opaque layer in particular can be shaped, i.e. here in particular with respect to the masking or mask with its openings are applied length-wise and area-wise, since the application is carried out on the top layer stably supported with a backing film, possibly lying on a base, a spreading table or also on the stretched backing film.
  • the masking does not have to be applied to a soft layer composite, which may deform and then represent an unstable surface.
  • the length and area fidelity of the masking are supported by an advantageous development of the method in which the mask line forming the opaque layer is applied to the cover layer in a printing process,
  • Reverse coating processes can make it much easier to apply the opaque layer to the top layer, especially if it is applied using a printing process.
  • the viscosity of the opaque layer is then adjusted so that it is set correctly for the printing process used.
  • the viscosity of the top layer can be set higher or lower than the viscosity of the opaque layer.
  • a further advantageous embodiment of the method is that both top coat and mask coat are applied in the form of a paste made of pasty polyvinyl chloride (plastisol).
  • plastisol pasty polyvinyl chloride
  • the multilayer composite film according to the invention can be used in particular as a coating for an interior trim part for a motor vehicle.
  • the multilayer composite film according to the invention is ideally suited for this purpose and, even after being applied to a shaped structural part, has no deficiencies in the clarity of the illustrations or in the images produced by the screen or masking.
  • the invention will be explained in more detail using an exemplary embodiment.
  • FIG. 1 shows schematically in the upper part an enlarged view of a partial area of a multilayer composite film 1 according to the invention for a
  • the interior trim part has an outer layer 3 of a polyvinyl chloride (PVC) provided with an outer transparent lacquer layer 2.
  • PVC polyvinyl chloride
  • the cover layer 3 is in turn also translucent, namely only about 30% colored with pigments and thus allows a certain percentage of the light striking its rear side to pass through.
  • opaque layer 4 is arranged, which is designed as a flat and provided with a masking or diaphragm and is only translucent in the openings 8 of the masking or diaphragm.
  • the opaque layer 4 adjoins the carrier layer 7 directly
  • the base material of the opaque layer 4 consists of PVC and is the same as that of the cover layer 3.
  • a number of further translucent plastic layers are arranged below the opaque layer 4, namely a translucent / translucent plastic foam layer 5 and a translucent adhesive layer 6.
  • a translucent textile carrier layer 7 follows at the bottom, so that the multilayer composite film can be easily processed and sewn like an artificial leather.
  • a clear and sharply cut image 8 'of the openings 8 contained in the masking panel is formed on the outer surface of the top layer 3, or the lacquer layer 2, here in the form, for example a symbol for a battery charge, as shown by the section of a top view of the multilayer composite film according to the invention shown in the upper part of FIG. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un film composite multicouche composé de matière plastique en tant que revêtement de surface d'un objet. Le film composite laisse passer la lumière au moins en partie, en d'autres termes dans des zones partielles et comporte au moins une couche de recouvrement extérieure laissant passer la lumière, pourvue éventuellement d'un vernis laissant passer la lumière et, à l'arrière de la couche de recouvrement, une ou plusieurs autres couches de matière plastique laissant passer la lumière ainsi qu'une couche de support laissant passer la lumière. Une couche opaque est disposée à l'intérieur du composite stratifié ; elle est réalisée sous la forme d'un masque plat et pourvu d'ouvertures et laisse passer la lumière seulement dans les ouvertures du masque. La couche opaque se raccorde en direction de la couche de support, côté arrière, à la couche de recouvrement. Le matériau de base de la couche opaque est le même que celui de la couche de recouvrement.
EP19739988.4A 2018-08-23 2019-07-15 Film composite multicouche composé de matière plastique Pending EP3840945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018214240.8A DE102018214240A1 (de) 2018-08-23 2018-08-23 Mehrschichtverbundfolie aus Kunststoff
PCT/EP2019/068935 WO2020038656A1 (fr) 2018-08-23 2019-07-15 Film composite multicouche composé de matière plastique

Publications (1)

Publication Number Publication Date
EP3840945A1 true EP3840945A1 (fr) 2021-06-30

Family

ID=67297179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19739988.4A Pending EP3840945A1 (fr) 2018-08-23 2019-07-15 Film composite multicouche composé de matière plastique

Country Status (5)

Country Link
US (1) US11795611B2 (fr)
EP (1) EP3840945A1 (fr)
CN (1) CN112638638B (fr)
DE (1) DE102018214240A1 (fr)
WO (1) WO2020038656A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11416081B1 (en) * 2021-09-08 2022-08-16 Tactotek Oy Integral 3D structure for creating UI, related device and methods of manufacture and use
GB2618567A (en) * 2022-05-10 2023-11-15 Bentley Motors Ltd Layered trim structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859195C2 (de) 1998-12-21 2001-02-22 Holzindustrie Bruchsal Gmbh Sichteinbauteil aus Verbundwerkstoff
ATE290481T1 (de) 2001-07-24 2005-03-15 Antolin Grupo Ing Sa Verfahren zur herstellung von dachbeplankung mit einem integrierten beleuchtungssytem und so erhaltene beplankung
DE102005038680A1 (de) 2004-08-17 2006-02-23 Volkswagen Ag Dreidimensionales Bauteil eines Kraftfahrzeugs und Kraftfahrzeug mit einem solchen Bauelement
DE102007054348B4 (de) * 2007-11-14 2021-08-19 Lisa Dräxlmaier GmbH Hinterleuchtete perforierte Verbundschicht
GB2454911A (en) 2007-11-22 2009-05-27 Jonathan Edward Browning Dual sleeve post socket
DE102009007336B4 (de) * 2009-02-04 2014-07-10 Lisa Dräxlmaier GmbH Perforierte Furniere
DE102010051166A1 (de) 2010-04-20 2011-10-20 Hauke Reiser Verfahren zur Herstellung eines Korpus mit bei Beleuchtung sichtbarer Graphik
DE102013114276A1 (de) * 2013-12-18 2015-06-18 Leonhard Kurz Stiftung & Co. Kg Kunststoffformteil und Verfahren zu dessen Herstellung
DE102015101012B4 (de) 2015-01-23 2022-02-03 Novem Car Interior Design Gmbh Formteil, insbesondere als Formteil ausgebildetes Dekorteil und/oder Verkleidungsteil für einen Fahrzeuginnenraum, und Verfahren zum Herstellen eines derartigen Formteils
DE102015101331A1 (de) * 2015-01-29 2016-08-04 Bayerische Motoren Werke Aktiengesellschaft Lichtdurchlässiges Kunstleder und Verfahren zur Herstellung desselben
KR20170074740A (ko) 2015-12-22 2017-06-30 엘지전자 주식회사 차량용 사용자 인터페이스 장치 및 차량
EP3168715B1 (fr) 2015-11-16 2019-02-27 SRG Global Liria, S.L.U. Moulage plastique avec intégration d'interface homme-véhicule continue
DE202017104984U1 (de) 2017-08-18 2018-08-21 Novem Car Interior Design Gmbh Formteil, insbesondere als Formteil ausgebildetes Dekor- und/oder Verkleidungsteil für einen Fahrzeuginnenraum

Also Published As

Publication number Publication date
CN112638638B (zh) 2023-07-07
WO2020038656A1 (fr) 2020-02-27
CN112638638A (zh) 2021-04-09
US11795611B2 (en) 2023-10-24
US20210348326A1 (en) 2021-11-11
DE102018214240A1 (de) 2020-02-27

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