EP2164702A2 - Procede et dispositif de realisation d'une matiere composite en forme de bande - Google Patents

Procede et dispositif de realisation d'une matiere composite en forme de bande

Info

Publication number
EP2164702A2
EP2164702A2 EP08774375A EP08774375A EP2164702A2 EP 2164702 A2 EP2164702 A2 EP 2164702A2 EP 08774375 A EP08774375 A EP 08774375A EP 08774375 A EP08774375 A EP 08774375A EP 2164702 A2 EP2164702 A2 EP 2164702A2
Authority
EP
European Patent Office
Prior art keywords
metal foil
layer
composite material
fabric
carrier layer
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Withdrawn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
EP08774375A
Other languages
German (de)
English (en)
Inventor
Wolf Oetting
Volker Denkmann
Willi Schenkel
Jakob Bales
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.)
Hydro Aluminium Deutschland GmbH
Original Assignee
Hydro Aluminium Deutschland GmbH
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 Hydro Aluminium Deutschland GmbH filed Critical Hydro Aluminium Deutschland GmbH
Publication of EP2164702A2 publication Critical patent/EP2164702A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • B32B2305/188—Woven fabrics
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/22—Fibres of short length
    • B32B2305/28—Fibres of short length in the form of a mat
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details

Definitions

  • the invention relates to a method for producing a band-shaped composite material comprising at least one metal foil, at least one carrier layer arranged on the metal foil and at least one layer of a non-woven or woven fabric arranged on the carrier layer and a corresponding composite material.
  • the invention relates to an apparatus for producing a band-shaped composite material consisting of at least one metal foil, a carrier layer and a layer of a nonwoven or a fabric with means for unwinding the metal foil, for unwinding of the carrier layer and for unwinding the layer of non-woven or fabric, with first means for heating the metal foil, at least one laminating section and means for band-feeding the metal foil, the carrier layer and the layer of fleece or fabric into the laminating section.
  • Composite materials are used for a wide variety of purposes, especially in the automotive industry. Frequently, a variety of decorative designed moldings, such as panels, switches, instrument panels or interior trim parts of motor vehicles made of composite materials.
  • the metal foils are usually plastic with this back-injected, on the one hand to give the impression that it is a complete metal part and on the other hand to take advantage of the weight and cost advantage of the plastic. From the production of decorative plastic parts, the use of composite materials is also known.
  • German Patent Application DE 101 36 125 A1 discloses a composite material consisting of a polyolefinic carrier layer, a thermoplastic intermediate layer, a heat-cured layer on the intermediate layer and a cover layer of thermoplastic material.
  • the intermediate layer is preferably formed by a resin-impregnated non-woven fabric and / or thermoplastic material.
  • a resin-impregnated non-woven fabric and / or thermoplastic material From the cited Offenlegungsschrift methods for producing a composite material are also known, in which the respective layers on tempered calendering or embossing rolls are supplied to the thermoplastic material of the carrier on one side or both sides and connected in this way.
  • the residence times in the production of the corresponding composites, in particular in the area of the rolls are from 12 s to 5 min.
  • the band-shaped processing so far against each other running steel belts, which are used on the one hand for pressing and on the other hand have been heated used. So far, however, only low production speeds could be achieved with the mutually running steel strips.
  • the present invention has the object, a method and an apparatus for producing a band-shaped composite material having at least one metal foil, at least one support layer arranged on the metal foil and at least one layer of a fleece and / or fabric arranged on the support layer, with which or with which significantly higher processing speeds can be achieved.
  • the above-described object is achieved by the method that the metal foil, the carrier layer and the layer of a nonwoven and / or fabric are unwound from a coil or a roll and fed together to a laminating section, the metal foil in front of the Laminating is heated, the support layer and the layer of a non-woven and / or fabric are laminated to the heated metal foil and then the laminated metal foil is heated again at least once.
  • the erfmdungssiee process is divided m two steps, on the one hand m lamination of the support layer together with the layer of a non-woven and / or fabric on the metal foil and on the other hand in a Heating the laminated metal foil after laminating the support layer together with the layer of a non-woven and / or a fabric.
  • adhesion of the carrier layer and the nonwoven and / or fabric layer to the metal foil is first of all achieved causes.
  • the composite material is heated to such an extent over the subsequent heating section that the carrier layer melts more strongly and insofar an increased adhesion between the layer of a nonwoven and / or fabric and the metal foil takes place via the carrier layer.
  • the processing speeds for producing a composite material consisting of a metal foil, a carrier layer and a layer of a nonwoven and / or tissue can be significantly increased if the inventive method is used.
  • the processing speeds in the erfmdungsgedorfen process are about six times as high as that of the previously known method using mutually running, heated steel strip.
  • the metal foil is a foil of aluminum or an aluminum alloy, so that an economical process for the production of starting components for the production of, for example, vehicle components with a decorative Alummiumoberflache can be provided.
  • the thickness of the aluminum foil is preferably 0.03 mm to 1 mm, in particular 0.1 mm to 0.4 mm.
  • Alumimum foils with a thickness of more than 1 mm are usually not used for the production of decorative surfaces, since the weight advantage of a Verbundmate ⁇ als consisting of plastic and an aluminum foil in this case is too low. If the aluminum foil is less than 0.03 mm thick, there is a risk that this breaks during the laminating.
  • thermoplastic carrier layer is used.
  • a thermoplastic support layer for example a polyolefin support layer, has the advantage that it can melt at a certain temperature and, in turn, solidifies when the temperature is reduced, so that a solid structure is formed between the metal foil and the layer of a nonwoven and / or a fabric.
  • the layer consists of a resin-impregnated non-woven and / or fabric of a thermoplastic material. It is thereby achieved that the resin hardens via the temperature and the thermoplastic fleece and / or fabric is retained in its structure.
  • the support layer which melts during lamination and during the passage through the heating section, produces a very strong bond between the support layer and the layer of a fleece and / or a fabric.
  • a particularly intimate connection between the back-injected plastic can be combined via the support layer can be achieved with the layer of a non-woven and / or a fabric.
  • the metal foil is heated in a first continuous heating section before the metal foil is fed to the laminating section, the heating of the metal foil in the continuous heating section being effected by induction, convection and / or radiation.
  • the first continuous heating section makes it possible to place the metal foil on the metal foil immediately before laminating
  • the metal foil can be heated in the fürlaufsagenzonen in different ways, these are the inductive heating by means of induced eddy currents, the convective heating using hot air or a hot gas and the heating by electromagnetic radiation, such as infrared radiation, as alternatives available ,
  • the laminated metal foil is heated in at least one further continuous heating section, the heating of the laminated metal foil in the continuous heating section being effected by induction, convection and / or radiation.
  • the structure of the composite material for example, by further melting the Carrier layer can be influenced.
  • a continuous heating section also allows high processing speeds.
  • the heating of the laminated metal foil is dependent on the surface roughness and / or the temperature of the laminated metal foil. The temperature measurement can be carried out, for example, pyrometrically and thus without contact. This ensures a particularly good process control of the heating section for the laminated metal foil.
  • Verbundmate ⁇ als for example by injection molding of plastic, a particularly important role in terms of imparting adhesion between the composite material and the back-injected plastic.
  • the heating of the metal foil during the melting of the carrier layer causes the carrier layer to penetrate through the pores of the nonwoven or the fabric and to decrease the surface roughness. Although the surface roughness decreases overall when the carrier layer melts, a surface structure which is favorable for further processing is simultaneously produced, which has a larger adhesion mediation for subsequently back-injected plastic layers.
  • the laminated metal foil in the second continuous heating section is heated to a temperature in the range of the melting point temperature of the carrier layer, in particular to 120 0 C to 250 0 C, preferably to 160 0 C to 210 0 C. This ensures a controlled melting of a thermoplastic carrier layer.
  • the method according to the invention can advantageously be adapted to the further processing of the composite material by winding up the band-shaped composite material after the passage of the laminated metal foil through the at least second continuous heating section or further processing it into blanks.
  • the above-described object is achieved for a generic device for producing a band-shaped composite material in that the means for band-feeding in the laminating the carrier layer on the metal foil and the layer of non-woven and / or fabric on the carrier layer arrange before lamination and means are provided for heating the laminated metal foil, which are arranged in the processing direction of the metal foil behind the laminating section.
  • heating the laminated metal foil after the actual lamination makes it possible to change the adhesion between the metal foil and the layer of non-woven and / or tissue in a targeted manner, and thus the Properties of the composite material to be produced, in particular to set m with respect to its adhesion-conferring properties.
  • the erfmdungsgeexe device additionally ensures particularly high processing speeds over the previously known devices, so that the composite material can be made much more economical.
  • means for heating the metal foil and the laminated metal foil by induction, convection and / or radiation are provided. All three methods for heating the metal foil or the laminated metal foil allow a controlled heating and thus a precise process control during the heating of the metal foil or the laminated metal foil.
  • the above-described object is achieved by a composite material comprising at least one metal foil, a carrier layer laminated to the metal foil and a layer of a nonwoven and / or a fabric in that the carrier layer comprises the layer of nonwoven and / or or at least partially penetrates tissue and creates a knob-like structure on the layer side of the web or fabric.
  • the nub-like structure significantly improves the adhesion of back-injected material to the composite material.
  • the composite material according to the invention has a knob-like structure. Namely, in the conventional manufacturing process, the formation of the nub structure is prevented by the pressing of the steel strips.
  • the adhesive properties for further processing processes, for example injection molding of plastic, are therefore significantly improved in the case of the composite material according to the invention.
  • Fig. 1 is a schematic view of a
  • Embodiment of a device according to the invention and 2 shows an exemplary embodiment of a composite material according to the invention in a schematic cross-sectional view.
  • a device 1 for producing a band-shaped composite material 2 consisting of a metal foil 3, a carrier layer 4 and a layer 5 of a non-woven and / or a fabric is shown schematically.
  • the metal foil for example an aluminum foil with a thickness of 0.1 mm to 0.4 mm, is first unwound by means for unwinding the metal foil 6, for example an unwinding reel. The same is done via the unwinding reels 7, 8 for the carrier layer and the layer of a non-woven and / or a fabric.
  • both the metal foil 3 and the carrier layer 4 and the layer 5 of a nonwoven and / or fabric are fed to a laminating section which in the present case has two laminating rollers 14, 15.
  • a Lashamloomside 16 is provided in Fig. 1. This heats the metal foil in such a way that when the metal foil enters the laminating section 14, 15 the metal foil has the optimum laminating temperature, so that a process-reliable laminating of the carrier layer 4 and the layer 5 takes place from a fleece and / or a fabric.
  • the laminated metal foil 2 passes through further means 17 for heating the laminated metal foil.
  • the means for heating 17 of the laminated metal foils also shown as Autolaufsammlungrange.
  • an evaluation unit 18 At the end of the continuous heating section is an evaluation unit 18, which is only shown symbolically, via which the temperature of the metal foil and / or the surface roughness of the composite material can be measured on its coated side.
  • the continuous heating section 17 may be controlled such that a composite material having a surface roughness which has been produced in a controlled manner can be provided.
  • the surface roughness can be optimized to achieve optimum adhesive properties during subsequent process steps, such as plastic back molding.
  • FIG. 1 Also shown schematically in FIG. 1 is a take-up reel 19, which winds the produced composite material or the laminated metal foil 2 onto a coil.
  • the composite material can also be further processed in a device only shown schematically for cutting blanks 20, so that blanks 21 adapted to the further processing can be made available.
  • FIG. 2 now shows, in a schematic view, an exemplary embodiment of a composite material according to the invention which has been produced using the device according to the invention or using the method according to the invention.
  • the composite material 2 consists of a metal foil 3, preferably an aluminum foil and a Carrier layer 4 and a layer 5 of a non-woven and / or a fabric. It can be seen clearly in the illustrated embodiment that the composite material 2 has a knob-like structure 22.
  • the knobs 22 are formed by the carrier layer 4, in which this penetrates during the melting through the pores of the layer 5 of a fleece and / or a fabric and forms on the surface of knobs.
  • the composite material produced according to the invention has a nub structure 22, so that the adhesive properties are significantly improved in a subsequent back-molding of the composite material with plastic.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un procédé de réalisation d'une matière composite en forme de bande présentant au moins une feuille de métal, au moins une couche support disposée sur la feuille de métal et au moins une couche de non-tissé ou de textile disposée sur la couche support, ainsi qu'une matière composite correspondante. L'invention concerne en outre un dispositif de réalisation d'une matière composite en forme de bande comprenant au moins une feuille de métal, une couche support et une couche de non-tissé ou de textile, le dispositif comprenant : des moyens pour dérouler la feuille de métal, pour dérouler la couche support et pour dérouler la couche de non-tissé ou de textile; de premiers moyens pour chauffer la feuille de métal; au moins une partie de contrecollage; et des moyens d'acheminement sous forme de bande de la feuille de métal, de la couche support et de la couche de non-tissé ou de textile vers l'intérieur de la partie de contrecollage. Pour permettre la mise à disposition d'un procédé et d'un dispositif de réalisation d'une matière composite en forme de bande comprenant au moins une feuille de métal, au moins une couche support disposée sur la feuille de métal et au moins une couche de non-tissé et/ou de textile disposée sur la couche support, qui permettent d'obtenir des vitesses de traitement significativement supérieures, un procédé est employé pour dérouler la feuille de métal, la couche support et la couche de non-tissé et/ou de textile, d'une bobine ou d'un rouleau, et les introduire ensemble dans une machine de contrecollage; chauffer la feuille de métal avant contrecollage; contrecoller la couche support et la couche de non-tissé et/ou de textile sur la feuille de métal chauffée; puis chauffer au moins une nouvelle fois la feuille de métal contrecollée.
EP08774375A 2007-07-03 2008-06-26 Procede et dispositif de realisation d'une matiere composite en forme de bande Withdrawn EP2164702A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007030928A DE102007030928A1 (de) 2007-07-03 2007-07-03 Verfahren und Vorrichtung zur Herstellung eines bandförmigen Verbundmaterials
PCT/EP2008/058200 WO2009003916A2 (fr) 2007-07-03 2008-06-26 Procédé et dispositif de réalisation d'une matière composite en forme de bande

Publications (1)

Publication Number Publication Date
EP2164702A2 true EP2164702A2 (fr) 2010-03-24

Family

ID=39800553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08774375A Withdrawn EP2164702A2 (fr) 2007-07-03 2008-06-26 Procede et dispositif de realisation d'une matiere composite en forme de bande

Country Status (3)

Country Link
EP (1) EP2164702A2 (fr)
DE (1) DE102007030928A1 (fr)
WO (1) WO2009003916A2 (fr)

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Publication number Priority date Publication date Assignee Title
US9698860B2 (en) 2013-08-09 2017-07-04 Kumu Networks, Inc. Systems and methods for self-interference canceller tuning
US9800275B2 (en) 2015-12-16 2017-10-24 Kumu Networks, Inc. Systems and methods for out-of band-interference mitigation
US10454444B2 (en) 2016-04-25 2019-10-22 Kumu Networks, Inc. Integrated delay modules

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GB8724244D0 (en) * 1987-10-15 1987-11-18 Metal Box Plc Producing laminated materials
GB8724239D0 (en) * 1987-10-15 1987-11-18 Metal Box Plc Laminated metal sheet
JPH03147842A (ja) * 1989-11-03 1991-06-24 Nippon Kinzoku Co Ltd ステンレス・樹脂積層体製品の製造方法
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GB9306158D0 (en) * 1993-03-25 1993-05-19 Metal Box Plc Process and apparatus for producing laminated materials
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Also Published As

Publication number Publication date
DE102007030928A1 (de) 2009-01-08
WO2009003916A3 (fr) 2009-04-23
WO2009003916A2 (fr) 2009-01-08

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