DE102009023653A1 - Method for manufacturing molded parts and flat plate material made of paper plastic composite by compressing into a tool under heat and pressure, where the tool is permanently heated or temporally heated for a respective holding time - Google Patents

Method for manufacturing molded parts and flat plate material made of paper plastic composite by compressing into a tool under heat and pressure, where the tool is permanently heated or temporally heated for a respective holding time Download PDF

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Publication number
DE102009023653A1
DE102009023653A1 DE102009023653A DE102009023653A DE102009023653A1 DE 102009023653 A1 DE102009023653 A1 DE 102009023653A1 DE 102009023653 A DE102009023653 A DE 102009023653A DE 102009023653 A DE102009023653 A DE 102009023653A DE 102009023653 A1 DE102009023653 A1 DE 102009023653A1
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Prior art keywords
layers
paper
tool
cardboard
heated
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DE102009023653A
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German (de)
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Christian Goebel
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GOEBEL, CHRISTIAN ANDREAS, DE
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Göbel, Christian
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    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—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
    • B32B27/10—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 paper or cardboard
    • 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
    • B32B15/08—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 of 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
    • 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
    • B32B15/12—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 of paper or cardboard
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—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
    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard 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 form; Layered products 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 form; Layered products 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
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products 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 comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • 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
    • B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
    • B32B2037/268—Release layers
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/58—Cuttability
    • 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
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04—Time
    • 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
    • B32B2309/12—Pressure
    • 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
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0862—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using microwave
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B2479/00—Furniture
    • 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
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing

Abstract

The method for manufacturing molded parts and flat plate material made of paper plastic composite by compressing into a tool (6) under heat and pressure, is claimed. The tool is permanently heated or temporally heated for a respective holding time. The material to be compressed is heated by microwave radiation, where the developed composite material consists of alternating layers (4) made of paper (5) or cardboard (3) and a thermoplastic material. The compressing tool is flat on both sides and is a two- or multi-part mold. The developed part is made of three layers. The method for manufacturing molded parts and flat plate material made of paper plastic composite by compressing into a tool (6) under heat and pressure is claimed. The tool is permanently heated or temporally heated for a respective holding time. The material to be compressed is heated by microwave radiation, where the developed composite material consists of alternating layers (4) made of paper (5) or cardboard (3) and a thermoplastic material. The compressing tool is flat on both sides and is a two- or multi-part mold. The developed part is made of three layers, in normal case it is made of 5, 7, 9 and 11 layers. The part is produced by compressing with holding times of few seconds to few minutes at a temperature nearer to the melting point of the plastic. The surfaces of the compressed mold are smoothly polished or are provided with a structure, and have embossed or recessed patterns, signs, marks, designs or letterings. The cardboard coated on one side or both sides with the thermoplastic material previously in an independent production process is used as basic material. The cardboard coated with several layers is compressed in the tool, bonded and formed to a stable part. The moving direction of the coated cardboard material in the individual layers is distorted parallelly, at right-angle or at other angles against each other. The coated cardboard material for the individual layers is cut previously in the independent production process. A layer of another material is compressed together with the layer composite layer in the same compressing process, where the another material is similar or other type of paper or cardboard, similar or different type of plastic, wood veneer, felt, metal film or metal sheet, fabric or another fabric or fleece, is applied between layers of paper-plastic composite, and is applied on one or both outer surfaces of the paper-plastic composite. The molded part produced in previous step is bonded with further layers, where several molded parts produced in previous step are bonded with one another by heat and pressure. Independent claims are included for: (1) molded parts and flat plate material; and (2) a molded body.

Description

Die mit dem Verfahren herzustellenden Teile sind dauerhaft und formstabil. Sie können bei Möbeln und anderen industriellen Produkten sowie in Architektur und Innenausbau zum Einsatz kommen. Es können sowohl zwei- und dreidimensional geformte Teile als auch flache Platten hergestellt werden, in Materialstärken von ca. 1 mm bis mindestens 20 mm. Diese können als struktureller Teil einer Konstruktion, wegen ihrer ansprechenden optischen oder haptischen Eigenschaften oder wegen ihrer akustischen Wirksamkeit eingesetzt werden.The Parts to be produced by the process are durable and dimensionally stable. They can be used in furniture and other industrial Products as well as in architecture and interior design. It can be both two- and three-dimensionally shaped parts as flat plates are produced, in material thicknesses from about 1 mm to at least 20 mm. These can be considered structural Part of a construction, because of its appealing optical or haptic properties or because of their acoustic effectiveness be used.

Des weiteren beschreibt die Erfindung die Möglichkeit und das Verfahren zwei oder mehrere so hergestellter Formteile untereinander zu komplexeren Formkörpern zu verbinden.Of Furthermore, the invention describes the possibility and the Method two or more moldings thus produced with each other to connect to more complex moldings.

Die hier vorgelegte Erfindung stellt in allgemeiner Form ein Verfahren zur Herstellung von Formteilen aus einem in Schichten aufgebauten Papier-Kunststoff-Verbunds dar. Im Speziellen wird bei diesem Verfahren ein beidseitig mit einem thermoplastischen Kunststoff beschichtetes Papier- oder Kartonmaterial verwendet, wodurch die Herstellung in großem Maße vereinfacht und beschleunigt wird. Die Erfindung baut auf der bekannten industriellen Produktion von Papier auf, bei der es möglich ist, in einem integrierten Herstellungsschritt ein- oder beidseitig eine thermoplastische Kunststoffschicht auf die Papier- bzw. Kartonbahn aufzubringen Solche beschichteten Papiere werden durch die Papierindustrie bereits in unterschiedlichen Stärken und mit unterschiedlichen Beschichtungen hergestellt. Bewährt hat sich die Herstellung und Verwendung solcher beschichteter Kartonarten in großen Mengen für Nahrungsmittelverpackungen.The The present invention provides a method in general form for the production of molded parts from a layered Paper-plastic composite dar. In particular, in this process a coated on both sides with a thermoplastic material Paper or cardboard material used, thereby reducing the production in greatly simplified and accelerated. The Invention builds on the well-known industrial production of paper on which it is possible in an integrated manufacturing step on one or both sides of a thermoplastic layer of plastic apply the paper or board web Such coated papers are already being developed by the paper industry in different strengths and made with different coatings. Has proven the manufacture and use of such coated board types in large quantities for food packaging.

Im folgenden sollen die Begriffe Lagen und Schichten wie folgt verwendet werden: Lagen bezeichnen die im Herstellungsprozess zur Verwendung kommenden einzelnen Stücke oder Bögen flachen Ausgangsmaterials, im Regelfall eben kunststoffbeschichteter Karton, die lose zusammengefasst und dann verpresst werden. Schichten bezeichnen die im Prozess oder im Endprodukt vorhandenen übereinander liegenden Schichten aus unterschiedlichem Material, im Regelfall sind das Karton bzw. Papier und die Beschichtungen aus thermoplastischem Kunststoff.in the Following are the terms layers and layers used as follows Layers refer to those in the manufacturing process for use shallow individual pieces or bows Starting material, usually just plastic-coated cardboard, which are loosely collected and then pressed. Layers denote the in the process or in the final product on top of each other lying layers of different material, as a rule are the cardboard or paper and the coatings of thermoplastic.

Das erfindungsgemäße Verfahren stellt sich wie folgt dar: mehrere Lagen eines solchen beidseitig mit einem thermoplastischen Kunststoff beschichteten Kartons werden in einer zwei- oder mehrteiligen Form bei einer Temperatur nahe dem Schmelzpunkt des Kunststoffs und einem Druck von ca. 1–10 MPa gepresst. Um ein Ankleben an das Werkzeug zu vermeiden wird für die Oberflächen eine Trennschicht aus Silikonpapier verwendet. Die Haltezeit beträgt im Regelfall ca. 2 Minuten. Dabei verschmelzen die einander zugeordneten Kunststoffschichten benachbarter Lagen zu einer Schicht, so dass ein formstabiles Produkt einer bestimmten Materialstärke mit mehrschichtigem Aufbau entsteht. Nach dem Entformen kühlt das Teil ab und erreicht dabei seine endgültige Härte.The inventive method is as follows dar: several layers of such on both sides with a thermoplastic Plastic coated cartons are in a two- or multi-part form at a temperature near the melting point of the plastic and a Pressure of about 1-10 MPa pressed. To stick to the Tool is to be avoided for the surfaces used a release layer of silicone paper. The holding time is usually about 2 minutes. The mutually associated merge Plastic layers of adjacent layers to form a layer, so that a dimensionally stable product of a certain material thickness arises with multi-layered structure. Cool after demolding the part off and thereby reaches its final hardness.

Wegen des mehrschichtigen Aufbaus, des Pressvorgangs und des vorgeschlagenen Einsatzgebietes ist es sinnvoll, das Verfahren und das Endprodukt mit der Herstellung von Formsperrholz zu vergleichen. Bei formgepresstem Sperrholz gibt es nach dem Stand der Technik verschiedene technische Verfahren, denen jeweils gemeinsam ist, dass mehrere Lagen Holzfurnier unter Hitze und Druck mittels eines bei hohen Temperaturen von ca. 150°C bis 200°C aushärtenden Klebstoffs, in der Regel ein Polyurethanharz, zu formstabilen, dauerhaften Teilen gepresst werden. Die Haltezeiten variieren je nach der Methode durch welche während dem Pressvorgang die notwendigen Temperatur im Material erzeugt wird. Bei dauerhaft beheizten Pressen liegt die Haltezeit üblicherweise bei ca. 10 min. Beim Aushärten des Klebstoffs durch Mikrowellenstrahlung kann die Haltezeit deutlich kürzer ausfallen, z. B. ca. 2 min, jedoch erlaubt diese Technik keine Endstärken unter 10 mm. Des weiteren gibt es die Möglichkeit, Pressformen elektrisch jeweils für die Dauer der Haltezeit zu erwärmen. Die Verfahren zur Herstellung von formgepresstem Sperrholz dürfen als weitgehend ausgereift gelten. In allen Fällen stellt jedoch die Bereitstellung der Furniere in großer Menge und guter, gleichbleibender Qualität eine Schwierigkeit dar. Weiterhin sind bei der Verarbeitung der Furniere zu Formsperrholz immer noch mehrere Arbeitsschritte nur von Hand auszuführen, z. B. die Sortierung der Furnierlagen und das Einbringen der Klebstofflagen oder das Aufbringen des Klebstoffs in flüssiger Form auf die Furnierlagen. Der Bezug auf die Herstellung von Formsperrholz spielt hier deswegen eine Rolle, da mit dem hier vorgelegten Verfahren in Aufbau und Form ähnliche Formteile hergestellt werden können und da die Herstellung ohne Veränderung der Technik, mit angepassten Einstellungen, auf gleichen Werkzeugen erfolgen kann wie bei Formsperrholz, wodurch die Presswerkzeuge in einschlägig bekannter Weise vorbereitet und hergestellt werden können.Because of of the multilayer structure, the pressing process and the proposed Field of application, it makes sense, the process and the final product to compare with the production of molded plywood. In case of compression molded There are plywood according to the prior art, various technical Procedure, which is common in each case that several layers of wood veneer under heat and pressure by means of a high temperature of approx. 150 ° C to 200 ° C curing adhesive, usually a polyurethane resin, to form-stable, durable parts be pressed. The holding times vary depending on the method which during the pressing process, the necessary temperature generated in the material. For permanently heated presses the holding time usually at about 10 min. When curing the Adhesive by microwave radiation, the retention time significantly shorter, z. B. about 2 minutes, but this allows Technology no end thicknesses below 10 mm. Furthermore there it's possible to use compression molds electrically for each to heat the duration of the hold time. The procedures for Manufacture of molded plywood may be considered to be largely mature be valid. In all cases, however, provides the deployment the veneers in large quantity and good, consistent Quality is a difficulty dar. Furthermore, in the Processing the veneers to form plywood still several steps only to be carried out by hand, e.g. B. the sorting of veneer layers and the introduction of the adhesive layers or the application of the adhesive in liquid form on the veneer layers. The reference to the Production of molded plywood plays a role here because with the method presented here in structure and form similar Moldings can be produced and since the production without changing the technology, with customized settings, can be done on the same tools as molded plywood, which prepared the pressing tools in the manner known in the art and can be manufactured.

Aufgabe der Erfindung ist es auch unter anderem, ein Problem der ästhetischen Art zu lösen, nämlich den Mangel an optischer und haptischer Qualität der üblichen mit Melamin beschichteten Formsperrholzteile bzw. der vollständig aus Kunststoff hergestellten Objekte, insbesondere im Bereich Möbel und Innenarchitektur. Ziel war es also, ein Material und einen Herstellungsprozess anzubieten, die einerseits die mechanischen Anforderungen wie Sperrholz oder Kunststoff für verschiedene Anwendungen erfüllen können, gleichzeitig jedoch die Verwendung von Kunststoff drastisch reduzieren und eine dem Papier nicht unähnliche samtige Oberflächenqualität ermöglichen.The object of the invention is, inter alia, to solve a problem of the aesthetic nature, namely the lack of optical and haptic quality of the usual melamine-coated molded plywood parts or the objects made entirely of plastic, especially in the field of furniture and interior design. The aim was therefore to offer a material and a manufacturing process, on the one hand, the mechanical requirements such as plywood or plastic for various users However, at the same time drastically reduce the use of plastic and allow a not insignificant velvety surface quality paper.

Das erfindungsgemäße Verfahren bietet gegenüber Formsperrholz verschiedene Verbesserungen und neue Möglichkeiten für die Herstellung von Formteilen: das Ausgangsmaterial ist kostengünstiger als Furnier, gleichbleibende Qualität in großen Mengen kann seitens der Papierindustrie leichter gewährleistet werden und die spezifischen Eigenschaften können dem jeweiligen Verwendungszweck angepasst werden. Die Vorproduktion, Handhabung und Sortierung der Lagen wird erleichtert, könnte leicht automatisiert werden und sehr präzise erfolgen. Somit können Produktionsabfälle und Ausschuss reduziert werden. Es reduzieren sich auch der Aufwand für Qualitätskontrolle, für Lagerhaltung und Transport. Geringere Herstellungskosten und eine geringere Umweltbelastung ergeben sich auch durch Zeit- und Energieeinsparungen. Temperatur, Druck und vor allem Haltezeit im Werkzeug sind deutlich niedriger im Vergleich zu formgepresstem Furnier. Das Aufbringen von Klebstoffen entfällt als Arbeitsschritt. Ein Nachteil gegenüber Formsperrholz muss erwähnt werden, nämlich die etwas geringere Härte der Form und der Oberfläche. Demgegenüber steht eine große Bandbreite an neuen Möglichkeiten in Bezug auf visuelle und haptische Qualität der Oberflächen und der Schnittkanten, da das Material im Endprodukt sowohl Ähnlichkeit mit Papier als auch mit Kunststoff besitzt und z. B. viele Farbvarianten einfach realisiert werden können. Weiterhin kann das erhaltene Endprodukt leicht in existierende Recyclingprozesse, wie z. B. für Getränkekartons, überführt werden.The inventive method offers Molded plywood different improvements and new possibilities for the production of molded parts: the starting material is cheaper than veneer, consistent quality in large quantities can be easier on the part of the paper industry be assured and the specific characteristics can be adapted to the respective purpose. The pre-production, handling and sorting of the layers is facilitated could be easily automated and very accurate respectively. Thus, production waste and Committee be reduced. It also reduces the effort for quality control, for warehousing and Transport. Lower production costs and lower environmental impact also result from time and energy savings. Temperature, pressure and especially holding time in the tool are significantly lower in comparison to form-pressed veneer. The application of adhesives is eliminated as a work step. A disadvantage compared to molded plywood needs be mentioned, namely the slightly lower hardness the shape and the surface. In contrast stands a wide range of new opportunities in Reference to visual and haptic quality of the surfaces and the cut edges, since the material in the final product is both similar has paper as well as plastic and z. B. many color variants easy can be realized. Furthermore, the obtained End product easily in existing recycling processes, such. For example Beverage cartons, to be transferred.

Es sind verschiedene Verfahren zur Herstellung formgepresster Teile aus einem Papier-Kunststoff-Verbund bekannt.It are various methods for producing molded parts known from a paper-plastic composite.

Es ist ein Verfahren bekannt, das in FI0001126238B beschrieben ist, in dem ein ähnliches mit einem thermoplastischen Kunststoff beschichtetes Kartonmaterial als von der Rolle laufende Streifen durch eine Brennerflamme geführt wird, um danach mittels Walzen zu verschieden ausgebildeten quasi endlosen Profilen geformt und laminiert zu werden. Im Unterschied zu dieser Methode werden mit dem erfindungsgemäßen Verfahren dreidimensional geformte Teile möglich. Des weiteren ergibt die Pressung im Heißwerkzeug eine ganz andere, spezifische Oberflächenqualität, die zusätzlich durch die Oberflächengebung des Werkzeugs genau bestimmt werden kann.There is a known method in FI0001126238B is described in which a similar thermoplastic-coated paperboard material is passed as running from the roll strip through a burner flame, and then formed by means of rollers to form various quasi endless profiles and laminated. In contrast to this method, three-dimensionally shaped parts become possible with the method according to the invention. Furthermore, the pressure in the hot tool results in a completely different, specific surface quality, which can additionally be determined precisely by the surface condition of the tool.

Ein Verfahren, das in DE0004231097C2 vorgestellt wurde, verwendet beispielsweise recycelte Getränkekartons die ebenfalls aus mit thermoplastischem Kunststoff beschichtetem Karton bestehen, um unter Hitze und Druck Plattenmaterial und Formteile herzustellen. Das Kartonmaterial wird in zerkleinerter Form eingesetzt. Dies ist unter anderem notwendig, um die recycelten Kartons in eine relativ homogene Masse überzuführen, sowohl in Bezug auf die mechanischen Eigenschaften als auch wegen des verschiedenfarbig bedruckten Ausgangsmaterials. Die Beschaffung und Verarbeitung von Recycelten Materialien unterliegt Schwierigkeiten durch Schwankungen des Angebots und der Qualität.A method that works in DE0004231097C2 For example, recycled beverage cartons, which are also made of thermoplastic-coated paperboard, are used to produce plate and molded parts under heat and pressure. The cardboard material is used in shredded form. This is necessary, inter alia, to convert the recycled cartons into a relatively homogeneous mass, both in terms of mechanical properties and because of the differently colored printed starting material. The procurement and processing of Recycled Materials is subject to difficulties due to variations in supply and quality.

Das erfindungsgemäße Verfahren hat durch die Verarbeitung vorsortierter Lagen den Vorteil technisch einfach und sehr flexibel zu sein. Auch der Einsatz von verschiedenen Lagen aus unterschiedlichen Materialien mit unterschiedlichen optischen und mechanischen Eigenschaften ermöglicht eine einfach an verschiedene Anwendungen angepasste Produktion. Obwohl das Recycling als resourcenschonend und umweltfreundlich gelten kann, entfallen beim erfindungsgemäßen Verfahren der Transport- und Energieaufwand für Recyclingprozess und Vorproduktion bis zur endgültigen Pressung. Weiterhin unterscheidet sich das Endprodukt des erfindungsgemäßen Verfahrens optisch und haptisch sehr stark von diesem Recyclingprodukt und bietet in einem einzigen Arbeitsschritt mehr verschiedene Möglichkeiten der Gestaltung und damit auch der Anwendung. In Bezug auf die Möglichkeiten für dreidimensionale Formen unterliegt das flächige Kartonmaterial wegen Faltenbildung allerdings größeren Einschränkungen, entsprechend denen bei Formsperrholz. Andererseits bietet die Verwendung von geschichtetem Flächenmaterial z. B. eine viel einfachere Kontrolle über die resultierende Materialstärke.The inventive method has by the processing presorted layers the advantage technically simple and very flexible to be. Also, the use of different layers of different materials with different optical and mechanical properties an easily adapted to different applications production. Although recycling as resource-saving and environmentally friendly may apply, omitted in the invention Method of transport and energy consumption for recycling process and pre-production until the final pressing. Farther differs the final product of the invention Process optically and haptically very strong of this recycled product and offers more different possibilities in a single step Design and thus also the application. In terms of possibilities for three-dimensional forms subject to the flat Cardboard material, however, larger because of wrinkling Restrictions, corresponding to those of molded plywood. On the other hand, the use of layered sheet material offers z. For example, much easier control over the resulting Material thickness.

DE 10 2006 058 257 A1 beschreibt die Verwendung eines thermoplastischen Kunststoffs wie z. B. Polyethylen als Heizschmelzklebstoff. In der genannten Patentschrift geht es um die Herstellung von Verbundbauelementen aus einem Trägermaterial mit einer Wabenstruktur und darauf aufgebrachten Dekorschichten. Im Unterschied zu den so hergestellten Formteilen bietet das hier vorgestellte Verfahren den Vorteil, dass entstehende Schnittkanten zusammen mit den Materialoberflächen optisch und haptisch eine homogene Einheit bilden und die Kanten mechanisch homogen wirken und bearbeitet werden können ohne eine Kaschierung notwendig zu machen. Dies ist insbesondere im Möbelbau von großem Interesse, da solche Kaschierungen von Schnittkanten einen hohen Arbeitsaufwand bedeuten und oft unecht und ästhetisch unbefriedigend wirken. DE 10 2006 058 257 A1 describes the use of a thermoplastic such. As polyethylene as a hot melt adhesive. The cited patent relates to the production of composite components from a carrier material with a honeycomb structure and decorative layers applied thereto. In contrast to the moldings produced in this way, the method presented here has the advantage that resulting cut edges together with the material surfaces visually and haptically form a homogeneous unit and the edges act mechanically homogeneous and can be processed without making a lamination necessary. This is of great interest, in particular, in the field of furniture construction, since such laminations of cut edges mean a great deal of work and often appear unreal and aesthetically unsatisfactory.

Des weiteren ist neu, dass erfindungsgemäß das teilweise Schmelzen der Kunststoffschichten auf den Außenseiten der Formteile zur Erzeugung einer fertigen Oberfläche genutzt wird die sowohl mechanisch als auch optisch und haptisch zufriedenstellend ist.Furthermore, it is novel that, according to the invention, the partial melting of the plastic layers on the outer sides of the molded parts is used to produce a finished surface which is satisfactory both mechanically and optically and haptically is.

Im Einzelnen kann der Herstellungsprozess beispielsweise folgendermaßen dargestellt werden
(1, schematisch)
die zugeschnittenen und gestapelten Lagen (1. 1) des beidseitig mit Polyethylen (1. 2) beschichteten Kartons (1. 3) und gegebenenfalls der zusätzlichen anderen Materialschichten (1. 4) werden zwischen zwei Silikonpapieren (1. 5) in das heiße Werkzeug (1. 6) platziert. Das Kartonmaterial kann beispielsweise ein Flächengewicht von 340 g/m2 haben bei einer beidseitigen Schicht aus Polyethylen von ca. 20 g/m2 und einer Materialstärke von ca. 0,45 mm pro Lage. Bei einer Temperatur von 100–110°C werden dann z. B. 9 Lagen des Kartons bei ca. 2 MPa Druck für 2 Minuten in einer zweiseitigen dreidimensionalen Form gepresst. Es entsteht ein dreidimensional geformtes Teil (2, Schnitt) mit einer Materialstärke von 3–4 mm, gegebenenfalls mit einem zusätzlichen Oberflächenmaterial, z. B. Textil, Furnier etc. Das Teil wird aus dem Werkzeug entnommen und kühlt nun bei Raumtemperatur ab. Das Silikonpapier kann dabei zum Schutz der Oberfläche auf dem Teil verbleiben oder für den nächsten Pressvorgang verwendet werden. Auf diese Weise wurden in Testreihen erfolgreich die in den Patentansprüchen formulierten Eigenschaften und Möglichkeiten des Verfahrens bestätigt. Als Anwendung wurde die Herstellung von Regalböden für einen Möbelentwurf erfolgreich getestet.More specifically, the manufacturing process may be represented as follows, for example
( 1 , schematic)
the cut and stacked layers ( 1 , 1 ) of both sides with polyethylene ( 1 , 2 ) coated cartons ( 1 , 3 ) and optionally the additional other material layers ( 1 , 4 ) are between two silicone papers ( 1 , 5 ) into the hot tool ( 1 , 6 ). The paperboard material may, for example, have a weight per unit area of 340 g / m 2 with a double-sided layer of polyethylene of about 20 g / m 2 and a material thickness of about 0.45 mm per ply. At a temperature of 100-110 ° C then z. B. 9 layers of cardboard at about 2 MPa pressure for 2 minutes pressed in a two-sided three-dimensional shape. The result is a three-dimensionally shaped part ( 2 , Section) with a material thickness of 3-4 mm, optionally with an additional surface material, eg. As textile, veneer, etc. The part is removed from the tool and now cools at room temperature. The silicone paper can remain on the part to protect the surface or be used for the next pressing operation. In this way, in test series successfully formulated in the claims properties and possibilities of the method were confirmed. As an application, the production of shelves for furniture design has been successfully tested.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - FI 0001126238 B [0010] - FI 0001126238 B [0010]
  • - DE 0004231097 C2 [0011] - DE 0004231097 C2 [0011]
  • - DE 102006058257 A1 [0013] - DE 102006058257 A1 [0013]

Claims (6)

Verfahren zur Herstellung von Formteilen und flachem Plattenmaterial aus einem Papier-Kunststoff-Verbund durch Pressen in einem Werkzeug unter Hitze und Druck, dadurch gekennzeichnet, dass 1.1 das Werkzeug entweder dauerhaft aufgeheizt ist, oder 1.2 zeitweise für die jeweilige Haltezeit aufgeheizt wird, oder 1.3 das zu pressende Material mittels Mikrowellenstrahlung erhitzt wird. 1.4 das entstehende Verbundmaterial aus abwechselnden Schichten von Papier oder Karton und einem thermoplastischen Kunststoff besteht. 1.5 das entstehende Teil aus mindestens drei solcher Schichten aufgebaut ist, im Regelfall jedoch aus 5, 7, 9, 11 usw. Schichten. 1.6 das Teil durch Pressen mit Haltezeiten zwischen wenigen Sekunden bis wenigen Minuten bei einer Temperatur nahe dem Schmelzpunkt des Kunststoffs hergestellt wird. 1.7 das Presswerkzeug beidseitig flach sein kann oder eine zwei- oder mehrteilige Form sein kann. 1.8 die Oberflächen der Pressform glatt poliert sein können, oder mit einer Struktur versehen sein können. 1.9 die Oberflächen der Pressform erhabene oder vertiefte Muster, Zeichen, Markierungen, Zeichnungen oder Schriftzüge enthalten können.A process for the production of molded parts and flat plate material from a paper-plastic composite by pressing in a tool under heat and pressure, characterized in that 1.1 the tool is either permanently heated, or 1.2 is temporarily heated for the respective holding time, or 1.3 to be pressed material is heated by microwave radiation. 1.4 the resulting composite material consists of alternating layers of paper or cardboard and a thermoplastic material. 1.5 the resulting part of at least three such layers is constructed, but usually from 5, 7, 9, 11, etc. layers. 1.6 the part is made by pressing with holding times between a few seconds to a few minutes at a temperature close to the melting point of the plastic. 1.7 the pressing tool can be flat on both sides or can be a two- or multi-part form. 1.8 the surfaces of the mold can be polished smooth, or can be provided with a structure. 1.9 the surfaces of the mold may contain raised or recessed patterns, marks, markings, drawings or lettering. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass 2.1 als Grundmaterial ein vorher in einem unabhängigen Herstellungsprozess ein- oder beidseitig mit einem thermoplastischen Kunststoff beschichteter Karton zur Verwendung kommt. 2.2 mindestens zwei, im Regelfall jedoch mehrere Lagen dieses beschichteten Kartons in einem Werkzeug gepresst und dadurch verbunden und zu einem stabilen Teil geformt werden. 2.3 die Laufrichtung des beschichteten Kartonmaterials in den einzelnen Lagen parallel, rechtwinkelig oder unter anderen Winkeln gegeneinander verdreht sein kann. 2.4 das beschichtete Kartonmaterial für die einzelnen Lagen vorher in einem unabhängigen Herstellungsschritt in passender Weise zugeschnitten wurde.Method according to claim 1, characterized in that that 2.1 as a basic material previously in an independent Manufacturing process on one or both sides with a thermoplastic Plastic coated cardboard comes for use. 2.2 at least two, but usually several layers of this coated cardboard pressed in a tool and thereby connected and to a stable Part to be shaped. 2.3 the direction of the coated Cardboard material in the individual layers parallel, rectangular or at different angles can be twisted against each other. 2.4 the coated board material for the individual layers previously in an independent manufacturing step in matching Way was tailored. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, dass 3.1 im gleichen Pressvorgang mindestens eine Lage eines anderen Materials mit dem Schichtverbund zusammen gepresst werden kann. 3.2 dieses andere Material eine ähnliche oder andere Sorte Papier oder Karton, eine ähnliche oder andere Sorte Kunststoff, ein Holzfurnier, ein Filz, ein Metallfilm oder -Blech, ein Textil oder ein anderes Gewebe oder Vlies sein kann. 3.3 dieses andere Material zwischen Lagen des Papier-Kunststoff-Verbundes eingebracht werden kann. 3.4 dieses andere Material auf einer oder beiden Außenflächen des Papier-Kunststoff-Verbundes aufgebracht werden kann. 3.5 ein in einem vorangehenden Schritt hergestelltes Formteil nach Anspruch 4 und 5 mit weiteren Lagen entsprechend Anspruch 1, 2 und 3 verbunden werden kann. 3.6 zwei oder mehr in einem vorangehenden Schritt hergestellte Formteile nach Anspruch 4 und 5 entsprechend Anspruch 1, 2 und 3 durch Hitze und Druck miteinander verbunden werden können.Method according to Claims 1 and 2, characterized that 3.1 in the same pressing at least one layer of other material with the layer composite pressed together can. 3.2 this other material a similar or other sort of paper or cardboard, a similar or different variety Plastic, a wood veneer, a felt, a metal film or sheet, a textile or other fabric or nonwoven may be. 3.3 this other material between layers of the paper-plastic composite can be introduced. 3.4 this other stuff on one or both outer surfaces of the paper-plastic composite can be applied. 3.5 on in a previous step manufactured molding according to claim 4 and 5 with further layers accordingly Claim 1, 2 and 3 can be connected. 3.6 two or more Moldings produced according to claim in a preceding step 4 and 5 according to claim 1, 2 and 3 by heat and pressure with each other can be connected. Formteile und flaches Plattenmaterial hergestellt nach dem in Anspruch 1 und 2 bezeichneten Verfahren, dadurch gekennzeichnet, dass 4.1 mehrere Schichten von Papier oder Karton mittels dazwischen befindlicher Schichten eines thermoplastischen Kunststoffs durch Anschmelzen unter Hitze und Druck fest miteinander verbunden sind. 4.2 die Teile zwei- oder dreidimensional geformt sein können. 4.3 das zur Verwendung kommende Papier aus frischem Zellstoff oder aus recyceltem Papier sein kann. 4.4 das zur Verwendung kommende Papier gebleicht, ungebleicht, ungefärbt, farbig oder bedruckt sein kann. 4.5 die Kunststoffschichten farblos, weiß, schwarz, farbig oder mit Farbstoffen versetzt sein können. 4.6 mindestens eine Schicht aus einem anderen Material sein kann. 4.7 dieses andere Material eine ähnliche oder andere Sorte Papier oder Karton, eine ähnliche oder andere Sorte Kunststoff, ein Holzfurnier, ein Filz, ein Metallfilm oder -Blech, ein Textil oder ein anderes Gewebe oder Vlies sein kann. 4.8 ein solches Material zwischen Lagen des Papier-Kunststoff-Verbundes aufgebracht ist oder auf einer oder beiden Außenflächen.Moldings and flat plate material produced according to the method described in claims 1 and 2, characterized that 4.1 several layers of paper or cardboard by means of between located layers of a thermoplastic material Melt under heat and pressure are firmly connected. 4.2 the parts can be formed two- or three-dimensional. 4.3 the paper to be used from fresh pulp or from recycled paper. 4.4 the coming to use Paper bleached, unbleached, undyed, colored or printed can. 4.5 the plastic layers colorless, white, black, colored or can be mixed with dyes. 4.6 at least a layer of another material can be. 4.7 this other material is a similar or different sort of paper or cardboard, a similar or different type of plastic, a wood veneer, a felt, a metal film or sheet, a textile or another fabric or non-woven. 4.8 such Material applied between layers of the paper-plastic composite is or on one or both exterior surfaces. Formteile und flaches Plattenmaterial hergestellt nach dem in Anspruch 1 und 2 bezeichneten Verfahren, dadurch gekennzeichnet, dass 5.1 mindestens eine Lage einen anderen Zuschnitt oder eine Aussparung aufweisen kann, möglicherweise jedoch auch alle Lagen, so dass eine durchgehende Aussparung oder Öffnung entsteht. 5.2 die Kanten des Teils nach dem Pressvorgang entweder keiner weiteren Bearbeitung bedürfen, oder 5.3 die Kanten und Flächen des Teils nach dem Pressvorgang mit einer geeigneten Methode durch Sägen, Schneiden, Stanzen, Fräsen oder eine andere Methode bearbeitet werden können. 5.4 die Kanten des Teils nach dem Pressvorgang und gegebenenfalls anderen vorangehenden Arbeitsschritten geschliffen werden können. 5.5 die Kanten des Teils nach dem Pressvorgang und gegebenenfalls anderen vorangehenden Arbeitsschritten mit einer dekorativen, dem mechanischen Schutz oder dem Schutz vor Nässe dienenden Beschichtung versehen werden können. 5.6 die Oberflächen des Teils nachträglich in weiteren Arbeitsschritten bedruckt, kaschiert, geschliffen oder in anderer Weise bearbeitet oder mit weiteren Materialien belegt werden können.Moldings and flat plate material produced according to the method described in claim 1 and 2, characterized in that 5.1 at least one layer may have a different blank or a recess, but possibly also all layers, so that a continuous recess or opening is formed. 5.2 the edges of the part after the pressing process either require no further processing, or 5.3 the edges and surfaces of the part after pressing with a suitable method by sawing, cutting, punching, milling or other method can be edited. 5.4 the edges of the part after the pressing process and possibly other previous steps can be sanded. 5.5 the edges of the part after the pressing process and, if necessary, other preceding operations with a decorative, mechanical Protection or protection against wet coating can be provided. 5.6 the surfaces of the part can subsequently be printed, laminated, sanded or otherwise processed or covered with other materials in further work steps. Formkörper hergestellt durch Verbinden von mindestens zwei Formteilen entsprechend der Ansprüche 4 und 5 dadurch gekennzeichnet, dass 6.1 die Formteile mittels ihrer aus dem vorangehenden Herstellungsschritt vorhandenen thermoplastischen Oberflächenbeschichtung miteinander verbunden werden, oder 6.2 die Formteile mittels einer oder mehrerer weiterer Lagen entsprechend Anspruch 1, 2 und 3 miteinander verbunden werden. 6.3 die Formkörper entsprechend Anspruch 5 weiterverarbeitet werden können.Shaped body made by joining at least two moldings according to claims 4 and 5 characterized marked that 6.1 the moldings by means of their from the previous manufacturing step existing thermoplastic Surface coating are joined together, or 6.2 the moldings by means of one or more further layers accordingly Claim 1, 2 and 3 are interconnected. 6.3 the moldings can be further processed according to claim 5.
DE102009023653A 2009-05-27 2009-05-27 Method for manufacturing molded parts and flat plate material made of paper plastic composite by compressing into a tool under heat and pressure, where the tool is permanently heated or temporally heated for a respective holding time Withdrawn DE102009023653A1 (en)

Priority Applications (1)

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DE102012111488A1 (en) * 2012-11-27 2014-05-28 Thyssenkrupp Steel Europe Ag Method for producing a structural component, in particular for a bodywork
DE102014202245A1 (en) * 2014-02-07 2015-08-13 Robert Bosch Gmbh Method for producing a composite layer for shielding electromagnetic radiation and composite layer for shielding electromagnetic radiation
DE102014004359B4 (en) 2013-04-05 2024-05-16 Universität Siegen Process for producing a material composite by pressing a metallic material with one or more fibre-reinforced plastics

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DE102006058257A1 (en) 2006-12-08 2008-06-19 Julius Heywinkel Gmbh Composite element for lining the inside of a motor vehicle comprises a covering layer and a core layer adhered together using a hot melt adhesive

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DE102012111488A1 (en) * 2012-11-27 2014-05-28 Thyssenkrupp Steel Europe Ag Method for producing a structural component, in particular for a bodywork
US10189190B2 (en) 2012-11-27 2019-01-29 Thyssenkrupp Steel Europe Ag Method for producing a structural component, particularly for a vehicle body
DE102014004359B4 (en) 2013-04-05 2024-05-16 Universität Siegen Process for producing a material composite by pressing a metallic material with one or more fibre-reinforced plastics
DE102014202245A1 (en) * 2014-02-07 2015-08-13 Robert Bosch Gmbh Method for producing a composite layer for shielding electromagnetic radiation and composite layer for shielding electromagnetic radiation

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