EP3615295A1 - Procédé d'assemblage d'un stratifié métal-polymère - Google Patents

Procédé d'assemblage d'un stratifié métal-polymère

Info

Publication number
EP3615295A1
EP3615295A1 EP18719121.8A EP18719121A EP3615295A1 EP 3615295 A1 EP3615295 A1 EP 3615295A1 EP 18719121 A EP18719121 A EP 18719121A EP 3615295 A1 EP3615295 A1 EP 3615295A1
Authority
EP
European Patent Office
Prior art keywords
polymer
layer
metal
laminate
metallic
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Withdrawn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
EP18719121.8A
Other languages
German (de)
English (en)
Inventor
Lothar Patberg
Stefan Mayer
Erik Hilfrich
Sophie REISEWITZ
Andreas Cott
Christian Paul
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.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp 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 ThyssenKrupp Steel Europe AG, ThyssenKrupp AG filed Critical ThyssenKrupp Steel Europe AG
Publication of EP3615295A1 publication Critical patent/EP3615295A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

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    • B29C45/14311—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 using means for bonding the coating to the articles
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2274/00—Thermoplastic elastomer material
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • 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
    • B32B38/10—Removing layers, or parts of layers, mechanically or chemically

Definitions

  • the invention relates to a method for joining a metal-polymer laminate, which comprises at least one metallic layer with a cohesively bonded layer of a polymer, with at least one bonding partner.
  • EP 1 306 292 B1 relates to the production of a carrier component in which a basic body is constructed from a sandwich material.
  • German Laid-Open Application DE 21 66 791 A1 discloses how a tube can be produced from a flat hybrid material.
  • the hybrid material comprises a metallic layer, a polymer layer which is fully connected to the metallic layer, and a further layer of a polymer, which is provided by the molding of the flat hybrid material to a tube as a connecting means for closing the tube.
  • DE 10 2013 109 616 A1 describes a semifinished product which has a metallic carrier layer and a polymer layer that is adhesively bonded to it.
  • the polymer layer serves as a coupling layer for connecting, in particular, molded-on connection partners made of polymer on the side facing away from the metallic layer.
  • a connection of the connection partner with the semifinished product is therefore possible only from one side, namely on the coupling layer side.
  • the invention is therefore based on the object to develop a method to connect a metal-polymer laminate individually with a connection partner can.
  • the invention provides a method for bonding a metal-polymer laminate, which comprises at least one metallic layer with a material-bonded layer of a polymer, with at least one bonding partner, wherein the at least one metallic layer has at least one recess and / or At least in regions compared to the layer of polymer dimensioned smaller, so that at least on the side of the at least one metallic layer at least partially a free surface of the layer of polymer for connection to the at least one connection partner is provided, wherein the connection partner at least on the free surface the layer of polymer molded and / or pressed.
  • the invention can be used to join a metal-polymer laminate on the metallic side to a connection partner.
  • the bonding partner is bonded on the metal side to the free surface of the layer of polymer by injection molding and / or by pressing methods such as extrusion or compression molding.
  • the metallic layer is preferably single-layered or layer-formed from a metallic material.
  • the metallic material is a sheet of a steel alloy, in particular a carbon steel alloy, an aluminum alloy, a magnesium alloy or a stainless steel alloy.
  • the sheet may be coated with a corrosion protection coating at least on one side.
  • the layer of a polymer can be made in one or more layers.
  • a material for the polymer in particular thermoplastics, such as.
  • thermoplastics such as.
  • PA polyamide
  • PE polyethylene
  • PPS polyphenylsulfide
  • PSU polysulfone
  • PU polypropylene
  • thermosets such as.
  • epoxy resin epoxy resin
  • the polymer may also preferably be fiber reinforced, comprising a polymer matrix and fibers, especially fibers stored in the polymer matrix.
  • the material for the polymer matrix in particular, the aforementioned polymers are usable.
  • fibers in particular, carbon fibers, glass fibers, natural fibers, aramid fibers, polymer fibers, metal fibers, ceramic fibers, mineral fibers, recycled fibers or mixtures thereof can be used as the fibers.
  • the use as short fiber, long fiber and / or endless fiber is also conceivable.
  • the fibers can be used as roving, mat, fabric, fleece, Tape and / or scrim be provided.
  • at least one of the layers may be made fiber-free.
  • the metallic layer and the layer of polymer are firmly bonded together.
  • an intermediate layer in the form of an adhesion promoter between metal and polymer can also be taken into account.
  • the metal-polymer laminate which is provided for connection to at least one bonding partner may be flat or already formed, in particular end-formed.
  • the metal-polymer laminate has, for example, a metallic layer with a thickness between 0, 1 and 1.0 mm and a layer of polymer with a thickness between 0.2 and 3.0 mm.
  • the metal-polymer laminate comprises at least one further metallic layer and / or a further layer of a polymer, which is materially bonded.
  • the metal-polymer laminate is designed as a sandwich material with two metallic layers acting as cover layers and a layer arranged between the metallic layers of a polymer which acts as a core layer. This can advantageously be done on one side or on both sides of the metal-polymer laminate with a connection partner joining a metal-polymer laminate on the metallic side of a free surface or free surfaces.
  • the at least one connection partner is formed from a polymer or a low-melting metallic material.
  • the material for the polymer all systems in question, as they are already listed to the polymer of the layer of the metal-polymer laminate.
  • the polymer of the connection partner is similar in content to the polymer of the layer of the metal-polymer laminate which, for example, in its connection region and / or the free surface on the metal-polymer laminate, in particular by heating before bonding, promotes a material bond.
  • the polymer can be provided as a molding compound, sprayed material, sheet molding compound (SMC), bulk molding compound (BMC) or, in particular, fiber-reinforced organic sheet.
  • the polymer may also be part or layer of a metal-polymer material, for example a metal-polymer laminate.
  • a metal-polymer material for example a metal-polymer laminate.
  • low-melting metallic material for example, the metals in question whose melting temperature is not higher than 300 ° C, in particular not higher than 270 ° C, preferably not higher than 230 ° C, so that Metal-polymer laminate is not exposed to high temperatures during bonding, which may adversely affect, in particular on the layer of polymer.
  • the at least one recess in the at least one metallic layer is introduced on the metal-polymer laminate and / or to produce the smaller dimensions compared to the layer of polymer, the at least one metallic layer at least partially on the metal-polymer Laminate removed.
  • the regional removal, for example in an edge region of the metal-polymer laminate and / or introduction of at least one recess in the at least one metallic layer on the metal-polymer laminate can be done as required and is for example mechanically, for example by milling or thermally, for example by means of laser carried out.
  • the metal-polymer laminate preferably has two metallic cover layers, the metallic layers can also be removed in regions on both sides, preferably in regions in an edge region on the metal-polymer laminate.
  • the free surface of the layer of polymer is activated thermally, chemically and / or mechanically before bonding.
  • the activation can lead to an improvement in the adhesion behavior, in particular if a surface structure is produced on the free surface of the layer of the polymer, which have, for example, as a kind of micro- and / or macroscopic undercuts and thereby to increase the adhesion with the at least one Connection partner, which may preferably at least partially penetrate into the undercuts and thereby additionally or alternatively hooked with the free surface of the layer of the polymer.
  • the activation can be effected for example by means of laser or mechanically, for example sandblasting or plasma.
  • the layer of polymer in the region of the free surface is formed and / or molded prior to bonding.
  • Forming and / or molding in the region of the free surface in addition to a preferred material bond with the at least one bonding partner, also brings about a positive fit, in that preferably the layer of polymer in the region of the free surface is formed from the metal-polymer laminate plane.
  • the layer of the polymer can be divided in its extent and be formed into a kind of dovetail before joining.
  • a fiber-reinforced polymer is preferably used in the metal-polymer laminate, the fibers can be arranged in particular in the area of the free surface load.
  • At least one second metal-polymer laminate is bonded to the at least one bonding partner.
  • the at least one connecting partner is used for joining two metal-polymer laminates, wherein the metal-polymer laminates are preferably each designed as a sandwich with two metallic cover layers and at least partially at one of their edge regions on both sides a free surface of the layer of the polymer for bonding exhibit.
  • the connection partner not only bonds materially to the two metal-polymer laminates on the free surfaces, but preferably also covers or surrounds the edges of the metallic layers in the region of the free surfaces around the open edges of the metallic layers, in particular which have arisen after a thermal or mechanical treatment to provide the free surfaces to protect against media ingress or corrosion.
  • FIG. 1 shows a schematic section through a first embodiment before joining a metal-polymer laminate with a connection partner
  • FIG. 2 shows a schematic section through a second embodiment prior to pre-bonding a metal-polymer laminate with a connection partner
  • FIG. 3 shows a schematic section through a third embodiment after joining a metal-polymer laminate with a connection partner
  • FIG 4 shows a schematic section through a fourth embodiment after connecting two metal-polymer laminates with a connection partner.
  • Fig. 1 is a schematic section through a first embodiment before connecting a metal-polymer laminate (1) with a connection partner (2) is shown.
  • the metal- Polymer laminate (1) is sandwiched and comprises two metallic layers
  • (1.1) which act as cover plates, preferably steel sheets with a thickness between 0, 1 to 1.0 mm, and between the two layers (1.1) arranged layer of polymer
  • (1.2) which acts as a core layer with a thickness between 0.2 to 3.0 mm, for example, of several layers (1.21) may consist and for example of a thermoplastic matrix, preferably a blend of PA-PE or PA, PE, PPS , PSU, PP, PU, is formed with a fiber material, for example made of carbon, aramid and / or glass.
  • the upper metallic layer (1.1) which is shown in section, is dimensioned smaller, at least in some areas, in comparison to the layer of polymer (1.2) so that a free surface (at least in regions) is formed on the upper side of the metal-polymer laminate (1).
  • 1.22) of the layer of polymer (1.2) is provided for connection to the connection partner (2).
  • the upper metallic layer (1.1) is at least partially removed on the metal-polymer laminate (1), for example mechanically or thermally.
  • the smaller dimensioning of the upper metallic layer (1.1) can already be taken into account in the course of the production of the metal-polymer laminate (1).
  • connection partner (2) for example, an organic sheet consisting of a same or similar matrix material as the polymer of the metal-polymer laminate or another metal-polymer laminate is provided.
  • the free surface (1.22) of the layer of polymer (1.2) can be activated thermally, chemically and / or mechanically.
  • At least the free surface (1.22) of the layer of the polymer (1.2) can be heated prior to bonding.
  • the bonding partner (2) is pressed on at least on the free surface (1.22) of the layer of polymer (1.2) for bonding to the metal-polymer laminate (1) by means of a pressing process.
  • Fig. 2 is a schematic section through a second embodiment before connecting a metal-polymer laminate (1) is shown with a connection partner.
  • the metal-polymer laminate (1) has a recess (1.3) in the upper metallic layer (1.1) on the metal-polymer laminate (1), through which a free surface (1.22 ) of the layer of polymer (1.2) is provided for connection to a bonding partner.
  • the introduction of the at least one recess (1.3) in the upper metallic layer (1.1) on the metal-polymer laminate (1.1) can be done as required and is carried out, for example, mechanically or thermally.
  • an unillustrated bonding partner preferably a fiber-reinforced polymer
  • an unillustrated bonding partner can be symbolized by means of an arrow by injection molding on the free surface (1.22) of the layer Polymer (1.2) are sprayed and thereby connected to the metal-polymer laminate (1).
  • Fig. 3 is a schematic section through a third embodiment after joining a metal-polymer laminate (1) with a connection partner (2) is shown.
  • the upper and lower metallic layer (1.1) are smaller in size compared to the layer of polymer (1.2), so that free surfaces (1.22) on the metal-polymer laminate (1) were provided for bonding in the edge region on both sides.
  • the layer of polymer (1.2) was reformed and / or molded in the region of the free surfaces (1.22) before joining by exposing the layer of polymer (1.2) in the region of the free surfaces (1.22) of the metal-polymer laminate plane was formed.
  • the layer of the polymer (1.2) was divided in its extension and formed into a kind of dovetail (1.4) before joining.
  • the fibers in the fiber-reinforced polymer are arranged in the area of the free surfaces (1.22).
  • the bonding partner (2) preferably consists of a fiber-reinforced polymer and was injection-molded onto the free surface (1.22) of the layer of polymer (1.2).
  • the bonding partner can also consist of an unreinforced thermoplastic or thermosetting polymer and be pressed by compression molding on the free surface of the layer of polymer.
  • FIG. 4 shows a schematic section through a fourth embodiment after connecting two metal-polymer laminates (1) to a connection partner (2).
  • the connection partner (2) serves on the one hand for connecting two metal-polymer laminates (1) and on the other hand can also assume other functions.
  • the upper and lower metallic layers (1.1) are smaller in size compared to the layers of polymer (1.2), so that the metal-polymer laminates (1) in the edge region in each case on both sides free surfaces (1.22).
  • the connection partner (2) is not only materially bonded to the two metal-polymer laminates (1) on the free surfaces (1.22), but also covers the edges of the metallic layers (1.1) in the region of the free surfaces (1.22) of the metal Polymer laminates (1) from or surrounds these to protect the open edges of the metallic layers (1.1).
  • the bonding partner (2) preferably consists of a fiber-reinforced polymer and was injection-molded onto the free surfaces (1.22) of the layers of polymer (1.2).
  • the connection partner also consist of an unreinforced thermoplastic or thermosetting polymer and are pressed by compression molding on the free surface of the layer of polymer.
  • the invention is not limited to the embodiments shown in the drawing, in particular the number of layers and / or joining partners is not limited to three. In particular, even further layers of polymer and metallic layers can be provided. Other materials in terms of fibers and matrix are useful.
  • the sheets are made of a steel alloy, they may be coated with a corrosion protection coating, preferably zinc-based. In particular, in order to increase the adhesion between the metallic layer and the layer of polymer, the sheet may be coated on at least one side on the side facing the layer with an adhesion promoter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé pour assembler un stratifié métal-polymère, qui comprend au moins une couche métallique assemblée par liaison de matière à une couche en un polymère, présentant au moins un partenaire d'assemblage. Ladite au moins une couche métallique présente au moins un évidement et/ou est dimensionnée de manière plus petite, au moins par zones, par rapport à la couche en polymère de telle sorte qu'une zone libre de la couche en polymère pour l'assemblage avec ledit au moins un partenaire de liaison est mise à disposition, au moins par zones, au moins sur le côté de ladite au moins une couche métallique, le partenaire de liaison étant moulé par injection et/ou pressé au moins au niveau de la surface libre de la couche en polymère et ledit au moins un évidement étant réalisé dans ladite au moins une couche métallique sur le stratifié métal-polymère et/ou, pour générer le dimensionnement plus petit par rapport à la couche en polymère, ladite au moins une couche métallique est enlevée au moins par zones du stratifié métal-polymère.
EP18719121.8A 2017-04-25 2018-04-18 Procédé d'assemblage d'un stratifié métal-polymère Withdrawn EP3615295A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017206916.3A DE102017206916A1 (de) 2017-04-25 2017-04-25 Verfahren zum Verbinden eines Metall-Polymer-Laminats
PCT/EP2018/059862 WO2018197291A1 (fr) 2017-04-25 2018-04-18 Procédé d'assemblage d'un stratifié métal-polymère

Publications (1)

Publication Number Publication Date
EP3615295A1 true EP3615295A1 (fr) 2020-03-04

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Country Link
EP (1) EP3615295A1 (fr)
CN (1) CN110545980A (fr)
DE (1) DE102017206916A1 (fr)
WO (1) WO2018197291A1 (fr)

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Publication number Priority date Publication date Assignee Title
CH473644A (de) * 1968-11-12 1969-06-15 Alusuisse Verfahren zum Stumpfschweissen von Verbundplatten
CA967471A (en) 1970-05-28 1975-05-13 Ransome W. Erwin Composite fluorocarbon-metal tube
DE10152649A1 (de) * 2001-10-16 2003-04-30 Porsche Ag Trägerbauteil, insbesondere einer Tragstruktur eines Kraftfahrzeugs
JP2010005999A (ja) * 2008-06-30 2010-01-14 Nissha Printing Co Ltd クラックを有する金属膜加飾シートの製造方法
JP5400454B2 (ja) * 2009-04-13 2014-01-29 三恵技研工業株式会社 電磁波透過性の金属複合材料の製造方法
EP2317198A1 (fr) * 2009-11-02 2011-05-04 R. Nussbaum AG Tuyau pour le guidage d'eau
TWI445483B (zh) * 2010-12-23 2014-07-11 Compal Electronics Inc 殼體結構及具有其之電子裝置
DE102013109616A1 (de) 2013-09-03 2015-03-05 Thyssenkrupp Steel Europe Ag Halbzeug und Verfahren zur Herstellung eines dreidimensional geformten Hybridbauteils im Metall/Kunststoffverbund sowie Verwendung eines solchen Halbzeuges
EP3255965B1 (fr) * 2015-02-03 2022-06-15 Sony Group Corporation Composant de boîtier, dispositif électronique et procédé de fabrication de composant de boîtier

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WO2018197291A1 (fr) 2018-11-01
DE102017206916A1 (de) 2018-10-25

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