EP1351818A2 - Mehrschichtiger formkörper mit lokal begrenzten verstärkungselementen - Google Patents
Mehrschichtiger formkörper mit lokal begrenzten verstärkungselementenInfo
- Publication number
- EP1351818A2 EP1351818A2 EP01989531A EP01989531A EP1351818A2 EP 1351818 A2 EP1351818 A2 EP 1351818A2 EP 01989531 A EP01989531 A EP 01989531A EP 01989531 A EP01989531 A EP 01989531A EP 1351818 A2 EP1351818 A2 EP 1351818A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- molded body
- reinforcing elements
- binder
- intermediate 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- Withdrawn
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000011230 binding agent Substances 0.000 claims abstract description 37
- 230000005855 radiation Effects 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 210000003660 reticulum Anatomy 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 46
- 239000000463 material Substances 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 239000011162 core material Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004849 latent hardener Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920006114 semi-crystalline semi-aromatic polyamide Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
Definitions
- Multi-layer molded body with locally limited reinforcement elements
- the present invention relates to multi-layer molded articles composed of two outer metallic layers and at least one intermediate layer, processes for their production and use of these molded articles.
- Multilayer moldings and methods for producing multilayer moldings are widely used wherever it is important to use specifically light structures with a high level of strength and / or rigidity.
- the lightweight construction with increasingly thin sheet thicknesses reaches its limits especially where geometrically due to reduced cross-sections of the components, the rigidity of which no longer meets the requirements for usability.
- the route via lighter or structurally stronger metals is also only pursued to a small extent for reasons of production technology and price, since the forming behavior is less favorable than normal steel sheets, and higher tool costs can also occur.
- these materials have so far been used only to a limited extent, since these materials have less favorable properties than the conventional materials in terms of energy absorption and material failure in the event of a crash.
- plastics have a low specific weight, they have so far not been able to achieve the performance level of metallic materials by far, and are therefore not used today in the area of structurally stable and load-bearing components.
- a metal / thermoplastic / metal laminate which has a basis weight below 9.76 kg / m 2 and which is made of a thermoplastic core material based on partially crystalline polyamides or polyester with a crystalline melting point> 130 ° C consists of and a metal layer laminated on both sides of the core material, the metal layer having a melting point above the crystalline melting point of the thermoplastic core layer and the metal layer having a minimum thickness of 0.0127 mm.
- the construction industry, appliance industry, automotive industry and aircraft construction are specified as use for these sandwich materials.
- US-A-4759994 describes a sandwich-like structure consisting of two outer metal plates and an inner core between the two outer plates.
- the core consists of a metallic network or grid.
- This sandwich structure has an adhesive layer between the metal plates, which connects the two plates and the core to one another, which improves the punching behavior.
- the adhesive should only be inside the latticework of the core material, while the contact zones between the core and metal plates should remain adhesive-free in order to enable the composite material to be weldable.
- DE 19729566 C2 describes a metal composite panel with two outer sheets which are kept at a distance by elevations of a lightweight structural panel arranged therebetween, the lightweight structural panel and the outer panels being connected to one another at the elevations by soldering, welding or gluing.
- An expanded metal is proposed as a lightweight structural panel.
- EP-A-895852 describes a multi-layer steel sandwich structure consisting of two metal plates which are laminated to a core. This core is made of stainless steel wool. The sandwich structure is achieved by soldering, welding or gluing. Phenolic resins, epoxy resins or polyethylene or polypropylene-maleic anhydride copolymers are proposed as adhesives.
- DE-A-3905871 discloses a composite material for thermal insulation and / or sound absorption that has a structurally stable covering layer made of a thermally stable metal foil on at least one side.
- a thermally resistant, highly porous, inorganic material is proposed as the insulation layer, for example foamed glass with a sponge-like structure or gas concrete or foamed ceramic or clay mineral materials. Exhaust areas of an automobile are proposed as an application for this composite material in the automotive sector.
- WO 00/13890 describes glued multilayer composite panels and methods for producing multilayer composite panels which consist of two outer metal plates which serve as upper and lower base plates and which are bonded to a deformable connecting intermediate layer.
- the deformable web material lying in the intermediate layer is connected to the cover and base plate by means of a foaming adhesive which fills the cavities remaining in the composite.
- the web material lying between the metal plates can consist of an expanded metal mesh, a wire mesh or a web plate and it can include a multi-layer sequence of expanded metal meshes, wire meshes, web plates with intermediate plates that are impermeable or permeable to the adhesive.
- suitable compositions of the adhesive in this document.
- EP 636517 B1 discloses a production method for a vehicle body part, at least in some areas, having a double sheet metal structure with an insulating layer in between.
- the base plate and the cover plate of the double-sheet structure are first fixed to one another with the interposition of an insulation layer and then formed together, in particular deep-drawn.
- a suitable insulation layer material should only be placed on selected surface sections of the flat base plate and a flat cover plate extending over a larger surface section is placed thereon, the insulation layer initially being sufficiently pressure-stable in the edge region to withstand the deformation.
- the insulation layer material is to be glued to the base plate and the cover plate, the adhesive required for the gluing being applied by foil, sealing cord, rolling / rolling, spray film, adhesive beads or drops.
- the object of the invention can be seen from the claims, it essentially consists in the provision of multilayered molded articles from two outer metallic layers and at least one intermediate layer, in which the entire surface of the laminated article has an anisotropic structure.
- Another object of the present invention is a method for producing such multilayer molded articles and the use of multilayer laminates or molded articles for producing components in automobile construction.
- the two outer metallic layers of the multi-layer molded body are usually metal sheets. These sheets can be normal steel sheets, but they can also be steel sheets refined by the various galvanizing processes, such as the electrolytically or hot-dip galvanized sheets and the corresponding thermally post-treated or galvanized or subsequently phosphated steel sheets and aluminum sheets.
- the thickness of these outer sheets can be adapted to the structural conditions. It can be between 0.1 and 1.0 mm, preferably between 0.1 and 0.5 mm, preferably between 0.2 and 0.3 mm.
- the intermediate layer consists of a polymeric binder composition and the reinforcing elements anisotropically distributed therein.
- the binder of the intermediate layer can be selected from a variety of thermoplastic polymers or from reactive binders.
- thermoplastic polymers are polyethylene, polypropylene, polyamide, polystyrene, styrene copolymers such as e.g. Acrylonitrile-butadiene-styrene (ABS) or thermoplastic elastomers based on block copolymers of styrene with butadiene or isoprene, optionally also in their hydrogenated form, both preferably as three-block copolymers.
- ABS Acrylonitrile-butadiene-styrene
- thermoplastic elastomers based on block copolymers of styrene with butadiene or isoprene optionally also in their hydrogenated form, both preferably as three-block copolymers.
- thermoplastic polymers to be used according to the invention for the intermediate layer are vinyl chloride homo- and / or copolymers - e.g.
- Vinyl chloride / vinyl acetate copolymers, ethylene-vinyl acetate copolymers (EVA), polyester or polycarbonate Particularly suitable as reactive binders are those based on epoxy resins, reactive rubbers or polyurethanes.
- epoxy resin - binder composition are a variety of - preferably flexible - epoxy compositions.
- the compositions mentioned in EP-A-354498, EP-A-591307, WO 00/20483, WO 00/37554 and the as yet unpublished applications DE 10017783.2 and DE 10017784.0 may be mentioned as examples.
- the binder compositions to be used according to the invention contain at least one epoxy resin, a flexible epoxy compound, elastomer-modified Epoxy resin and possibly a reactive thinner and usually a latent hardener, which causes the crosslinking of the binder when the compositions are heated.
- compositions of natural and / or synthetic rubbers i.e. elastomers containing olefinic double bonds
- vulcanizing agents are suitable as the binder matrix based on reactive rubbers. These contain at least one of the following substances: one or more liquid rubbers and / or solid rubbers or elastomers, finely divided powders made of thermoplastic polymers, vulcanizing agents, vulcanization accelerators, catalysts, fillers, tackifiers and / or adhesion promoters, blowing agents, extender oils, anti-aging agents, rheology aids.
- Suitable binders are e.g. described in WO 96/23040.
- thermosetting binders In addition to the aforementioned one-component thermosetting binders, two-component epoxy, rubber or even polyurethane binders which cure at room temperature can also be used.
- the anisotropically distributed reinforcing elements of the intermediate layer can be constructed from conventional metal sheets, hardened metal alloys, multi-phase steels, aluminum, expanded metals, organic foams based on epoxides or polyurethanes, which may be fiber-reinforced, or other plastics. These reinforcing elements are preferably arranged at those locations to which the molded body is exposed to high structural loads or forces. These reinforcement elements are already installed during the production of the multilayered molded article as a semi-finished product ("multilayer laminate") in such a way that they are later present exactly at the points of the construction or component where the particularly high structural loads or forces act on the component , These reinforcement elements are preferably tailored in their geometric shape specifically to the load case.
- the multilayer molded articles according to the invention can additionally contain functional built-in elements such as Cable channels included. This procedure is particularly useful when these moldings are to be used as roof structures or underbody groups in vehicle construction.
- Figure 1 shows the general structure of an anisotropic multilayer laminate
- FIG. 2 shows the additional installation of functional elements
- Figure 3 shows the exemplary structure of a hood
- Figure 4 shows an embodiment of a weldable component.
- the two outer metal layers (M1) and (M2) are metal sheets with a thickness of 0.1 to 1.0 mm.
- the intermediate polymer layer (P) usually has a layer thickness of 0.3 to 5.0 mm, its thickness depends on the intended use of the component made from the multilayer laminate. All of the aforementioned types of polymers can be used as polymers.
- the thicker reinforcing element (V1) is arranged at a point where the greatest force (F1) is expected later in the component.
- the reinforcing element (V2) is located at a point where a lower force (F2) will act. No reinforcement element is provided in places with even less force (F3).
- FIG. 2 also shows the installation of a functional element, for example a channel (K) for receiving electrical cables.
- a functional element for example a channel (K) for receiving electrical cables.
- the remaining structural components of this laminate correspond to the elements shown in FIG. 1.
- FIG. 3 shows an exemplary schematic structure of a bonnet in a top view.
- the geometrical dimensions of the reinforcement elements (V1) to (V5) are adapted to the requirements for the forces acting on the bonnet or the vibration behavior of the bonnet itself. This is important for the mechanical rigidity and / or to minimize the acoustic radiation of the hood. For the sake of completeness it should be mentioned that the reinforcing elements are not visible from the outside.
- FIG. 4 shows an exemplary embodiment of a multi-layer molded body which is to be used as a weldable component.
- the anisotropically distributed reinforcing elements (V1) and (V2) are arranged in the polymeric binder matrix (P), but the metal sheet (M1) does not reach into the edge area.
- the edge areas of the lower metal layer (M2) are provided with welding points (S1) and (S2), so that this component can be installed using conventional welding methods, in particular electrical welding methods.
- These welds are preferably separated from the metal sheet (M1) by areas of the polymeric binder matrix (P1) and (P2).
- multilayered molded articles according to FIG. 4 can also be inserted into the body using structural adhesives instead of welding them together.
- the multilayer molded articles according to the invention can in principle be produced by continuous or discontinuous production.
- a lower cover plate runs horizontally into the production system, then a first binder layer made of the aforementioned polymeric binders is applied from above to the lower cover plate running below using a slot die or a roller.
- the reinforcing elements and / or functional built-in elements are then applied to the binder layer at the predetermined locations, preferably using a robot.
- a second binder layer is also applied from above onto the semi-finished product, consisting of a lower cover plate, binder layer and reinforcing elements, using a slot die or a roller.
- An upper cover sheet is joined to a complete laminate on the semifinished product formed in this way and the entire laminate is pressed onto the final layer thickness using rollers, if necessary with heating.
- the heating during the joining and / or pressing can be designed in such a way that the crosslinking of the binder system is carried out at an intermediate stage, ie to a pre-hardening step, so that the binder - and thus the multilayer laminate - is still highly deformable and the multilayer laminate produced in this way can be easily deformed in conventional forming processes.
- a final curing can then take place after the installation of the component thus produced, for example in a motor vehicle body, in the oven for the electrocoating.
- a molded part is punched from a lower cover plate, a first binder layer made of the aforementioned polymeric binders is applied to the stamped lower cover plate with the aid of a slot die or a roller or a doctor blade, the reinforcing elements and / or functional built-in elements are attached to the predetermined ones Place, if necessary with the help of a robot, on the binder layer.
- a second binder layer using the abovementioned application methods, the upper cover plate is joined to the layer body thus formed and the entire layer body is pressed, if necessary with heating, to the final layer thickness using rollers or presses.
- the laminate produced in this way can then be pressed or deep-drawn by shaping into a three-dimensional shaped body.
- reactive binders can be cured in two stages, so that forming is facilitated, and the final hardness only takes place after the molded part has been installed in the complete assembly.
- the multilayer molded articles produced according to the invention can be used for a large number of applications in which specifically light materials are required which have high structural strength.
- the areas of application mentioned at the beginning in mechanical engineering, in device construction and in vehicle construction, here in particular in automobile construction, may be mentioned as examples.
- Specific examples from the automotive industry are the manufacture of roof structures, bonnets, door side panels, walls to the engine compartment ("firewall"), underbody assemblies and walls to the trunk.
- firewall roof structures, bonnets, door side panels, walls to the engine compartment
- underbody assemblies and walls to the trunk.
- the multilayer according to the invention have
- Molded parts have the following advantages: low specific weight, low overall weight, the structural reinforcement performance can be significantly improved locally in flat areas of a body at the highly stressed points, through the laminate structure - e.g. For roof constructions, bonnets or door side parts, improved acoustic properties can be achieved, in addition, the structural depth of such components can be reduced and thus additional usable space can be obtained.
- suitable polymeric binders improved heat and heat resistance up to 300 ° can be achieved C, this is important for use in the underbody area or as a wall to the engine compartment (“firewall”) the installation of functional elements such as Cable ducts in the organic intermediate layer are possible, e.g. for use in the roof or underbody area, thanks to a staggered production method in which the components are created separately from the production line ("preformed laminate"), individual high-performance modules or high-performance components can be created very quickly and flexibly.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10060816 | 2000-12-07 | ||
| DE10060816A DE10060816A1 (de) | 2000-12-07 | 2000-12-07 | Mehrschichtiger Formkörper mit lokal begrenzten Verstärkungselementen |
| PCT/EP2001/013893 WO2002045954A2 (de) | 2000-12-07 | 2001-11-28 | Mehrschichtiger formkörper mit lokal begrenzten verstärkungselementen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1351818A2 true EP1351818A2 (de) | 2003-10-15 |
Family
ID=7666138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01989531A Withdrawn EP1351818A2 (de) | 2000-12-07 | 2001-11-28 | Mehrschichtiger formkörper mit lokal begrenzten verstärkungselementen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20040091723A1 (de) |
| EP (1) | EP1351818A2 (de) |
| AU (1) | AU2002227955A1 (de) |
| DE (1) | DE10060816A1 (de) |
| WO (1) | WO2002045954A2 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10062009A1 (de) * | 2000-12-13 | 2002-07-04 | Henkel Teroson Gmbh | Mehrschichtige Sandwich-Materialien mit organischen Zwischenschichten auf Epoxidbasis |
| DE10062859A1 (de) * | 2000-12-16 | 2002-06-27 | Henkel Teroson Gmbh | Mehrschichtige Verbundmaterialien mit organischen Zwischenschichten auf Kautschukbasis |
| DE102004023058B4 (de) * | 2004-05-11 | 2006-11-02 | Bayerische Motoren Werke Ag | Verfahren zur Herstellung eines Karosserieteils für ein Fahrzeug und ein nach diesem Verfahren hergestelltes Karosserieteil |
| US7973106B2 (en) * | 2005-04-26 | 2011-07-05 | Shiloh Industries, Inc. | Acrylate-based sound damping material and method of preparing same |
| DE102016004446A1 (de) | 2016-04-12 | 2017-10-12 | Audi Ag | 3D-Druck mit Verstärkungselementen |
| DE102017201834A1 (de) * | 2017-02-06 | 2018-08-09 | Thyssenkrupp Ag | Halbzeug mit unterschiedlichen Eigenschaften |
| DE102018204407A1 (de) * | 2018-03-22 | 2019-09-26 | Thyssenkrupp Ag | Funktionsintegrierte Temperierung in Stahl-Kunststoff-Hybriden durch wärmeleitfähige Füllstoffe |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4865168A (de) * | 1971-12-06 | 1973-09-08 | ||
| EP0145577B1 (de) * | 1983-12-12 | 1989-01-25 | Hugues Lesourd | Tiefziehfähiger, sandwichartig aufgebauter Metallgegenstand, Verfahren und Vorrichtung zu seiner Herstellung |
| DE3935120C2 (de) * | 1989-10-21 | 1997-03-13 | Reiner Prof Dr Ing Kopp | Verfahren zur Herstellung von Metallverbundplatten |
| US5360647A (en) * | 1990-09-28 | 1994-11-01 | Daicel Chemical Industries, Ltd. | Composite metal sheets |
| US5401564A (en) * | 1993-03-23 | 1995-03-28 | Hexcel Corporation | Materials and processes for fabricating formed composite articles and use in shoe arch |
| DE19736839A1 (de) * | 1997-08-23 | 1999-02-25 | Volkswagen Ag | Deformationsstruktur für den Insassenschutz in Fahrzeugen |
| DE19839931A1 (de) * | 1998-09-02 | 2000-03-09 | Daimler Chrysler Ag | Geklebte Mehrschichtverbundplatten und Verfahren zur Herstellung von Mehrschichtverbundplatten |
| DE10062009A1 (de) * | 2000-12-13 | 2002-07-04 | Henkel Teroson Gmbh | Mehrschichtige Sandwich-Materialien mit organischen Zwischenschichten auf Epoxidbasis |
| DE10062859A1 (de) * | 2000-12-16 | 2002-06-27 | Henkel Teroson Gmbh | Mehrschichtige Verbundmaterialien mit organischen Zwischenschichten auf Kautschukbasis |
-
2000
- 2000-12-07 DE DE10060816A patent/DE10060816A1/de not_active Withdrawn
-
2001
- 2001-11-28 WO PCT/EP2001/013893 patent/WO2002045954A2/de not_active Ceased
- 2001-11-28 US US10/433,600 patent/US20040091723A1/en not_active Abandoned
- 2001-11-28 EP EP01989531A patent/EP1351818A2/de not_active Withdrawn
- 2001-11-28 AU AU2002227955A patent/AU2002227955A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0245954A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002045954A3 (de) | 2002-10-03 |
| DE10060816A1 (de) | 2002-06-20 |
| WO2002045954A2 (de) | 2002-06-13 |
| US20040091723A1 (en) | 2004-05-13 |
| AU2002227955A1 (en) | 2002-06-18 |
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