WO2011054681A2 - Flächiges verbundbauteil, insbesondere fahrzeugkarosserieteil - Google Patents
Flächiges verbundbauteil, insbesondere fahrzeugkarosserieteil Download PDFInfo
- Publication number
- WO2011054681A2 WO2011054681A2 PCT/EP2010/065907 EP2010065907W WO2011054681A2 WO 2011054681 A2 WO2011054681 A2 WO 2011054681A2 EP 2010065907 W EP2010065907 W EP 2010065907W WO 2011054681 A2 WO2011054681 A2 WO 2011054681A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- barrier layer
- composite component
- thermal expansion
- coefficient
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 230000004888 barrier function Effects 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 29
- 229920002635 polyurethane Polymers 0.000 claims description 22
- 239000004814 polyurethane Substances 0.000 claims description 22
- 239000010410 layer Substances 0.000 description 105
- 238000000576 coating method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 239000003365 glass fiber Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000000123 paper Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- 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]
-
- 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]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Definitions
- the invention relates to a laminar composite component, in particular a vehicle body part according to the preamble of claim 1.
- Such a composite component is known in practice in the form of a vehicle roof and comprises a composite material, which has an outer layer, which is formed for example of a plastic film of ABS or the like, and a support structure. Disposed between the outer layer and the support structure is a barrier layer which prevents imaging of structural features of the support structure on the outer layer.
- the support structure has a core of a paper honeycomb, which is provided on the side facing the barrier layer with a first cover layer of a polyurethane / glass fiber mixture and on its side facing away from the barrier layer with a second cover layer of a polyurethane / glass fiber mixture.
- the invention has for its object to provide a sheet-like composite component of the aforementioned type, in which the risk of deformation of the composite material due to a change in the ambient temperature is minimized.
- the barrier layer and the support structure have coefficients of thermal expansion which are chosen such that a deformation of the material composite at least largely disappears during a temperature change in a range between -50 ° C. and + 80 ° C.
- the temperature expansion coefficients of the barrier layer and support structure are coordinated so that a change in ambient temperature no undesirable deformation of the composite component in the form of a curvature, warping or the like by itself. Rather, the shape of the composite component over the claimed temperature range is substantially retained. Thus, with a change in temperature and no design or the function of the composite component impairing deformation is connected.
- the composite component according to the invention can be designed in particular as a vehicle body part and, in this context, be suitable in principle for all outer and inner plate-shaped structures of vehicle bodies, which can be designed as a composite component.
- the two-dimensional composite component according to the invention is a prefabricated roof module which can be inserted into a correspondingly formed roof frame of a vehicle body.
- the body part may also be a moving surface, which is used in conjunction with a sunroof or at a hood of a convertible vehicle.
- the composite component according to the invention is not limited to applications in the automotive sector. Rather, their use in all areas is conceivable in which flat elements can be used in lightweight construction.
- the outer layer of the composite component according to the invention is produced in particular by the so-called in-mold coating method from a coating material which is chemically coupled to the decoupling layer.
- the outer layer can therefore represent a so-called IMC (in-mold coating) paint, which in the manufacture of the composite component in a mold cavity of a mold on a the mold cavity limiting surface is sprayed. Subsequently, the material of the barrier layer is applied to the sprayed coating material. When pressing the composite component in the mold, the materials harden and connect with each other.
- In-mold coating is thus a process in which the coating of a plastic molded part is already carried out in the tool used to produce the molded part.
- a highly reactive two-component paint is introduced by means of a special technique in the mold. Thereafter, the material layer adjacent to the coating is introduced.
- the result is a component with a finished surface which, depending on the shape, can be high glossy to matt and also structured.
- the outer layer produced by the IMC process preferably has a thickness between 10 and 100 ⁇ m. If necessary, this outer layer can also be painted.
- the outer layer as an outer skin, which consists of a plastic film of ABS (acrylonitrile-butadiene-styrene), ASA-PC (acrylic ester-styrene-acrylonitrile-polycarbonate), ASA (acrylic ester-styrene-acrylonitrile) or PC ( Polycarbonate).
- ABS acrylonitrile-butadiene-styrene
- ASA-PC acrylic ester-styrene-acrylonitrile-polycarbonate
- ASA acrylic ester-styrene-acrylonitrile
- PC Polycarbonate
- the support structure of the composite component according to the invention preferably has a core, which is a paper, metal or plastic honeycomb structure which is provided on both sides with a cover layer of a glass fiber / polyurethane mixture, which may constitute a stiffening layer.
- the core of the support structure is made of a plastic foam material.
- the barrier layer of the sheet-like composite component according to the invention consists in a preferred form of embodiment of the composite component according to the invention of a polyurethane / glass fiber mixture whose coefficient of thermal expansion can be adjusted by the proportion of fibers in the mixture.
- the barrier layer may also have a layer structure, the individual layers of a part fiber-free polyurethane material and partially formed from a fibrous polyurethane material. Such a multilayered layer is often referred to as a multi-Tec layer.
- the coefficient of thermal expansion of the support structure may be greater or smaller than the thermal expansion coefficient of the barrier layer.
- the corresponding setting of the coefficients of thermal expansion may in particular also depend on the temperature expansion coefficient of the outer layer.
- a tuning of the thermal expansion coefficient of the support structure can be done by appropriate selection of the coefficients of thermal expansion of the first cover layer and the second cover layer.
- the coefficient of thermal expansion of the first cover layer i. the cover layer facing the barrier layer of the support structure, equal to the thermal expansion coefficient of the barrier layer or be greater or smaller than the thermal expansion coefficient of the barrier layer.
- the coefficient of thermal expansion of the second cover layer i. the cover layer facing away from the barrier layer of the support structure, equal to the thermal expansion coefficient of the barrier layer or greater than or less than the thermal expansion coefficient of the barrier layer.
- the cover layers are each preferably made of a polyurethane / glass fiber mixture.
- the respective temperature expansion coefficient is then adjustable by the fiber content in the relevant cover layer. In general, the thermal expansion coefficient increases with decreasing fiber content.
- a counteracting layer is provided, which adjoins the second cover layer, ie the cover layer of the support structure facing away from the barrier layer.
- the coefficient of thermal expansion of the counteracting layer, which promotes the thermal behavior of the composite component, may correspond to that of the barrier layer.
- the counteracting layer may have a coefficient of thermal expansion which is smaller or larger than the thermal expansion coefficient of the barrier layer.
- the particular setting of the coefficient of thermal expansion depends on the choice of materials for the outer layer, the barrier layer and the support structure.
- the counteracting layer may have a layer structure whose individual layers are partly formed of a fiber-free polyurethane material and partly of a fibrous polyurethane material.
- the variable layer structure of the counter-coating layer thus designed as a multi-Tec layer can have a positive influence on the characteristic values of the composite component, in particular in mechanical and thermal terms, and can thus be used specifically for component design. The same applies to a barrier layer designed as a multi-Tec layer.
- the thermal behavior of the components can be significantly controlled and optimized. Consequently, it is possible to set a desired behavior or deformation behavior of the composite component in the event of a temperature change.
- Figure 1 is a partial view of a passenger car with a roof module
- FIG. 2 is a section through a roof module according to the invention.
- FIG 3 shows a section through an alternative embodiment of a composite component according to the invention.
- FIG. 1 shows a motor vehicle 10 embodied as a passenger vehicle, the body of which has a roof frame 12 into which a roof module 14 designed as a composite component can be inserted and which covers a vehicle interior.
- FIG. 2 shows a section through the roof module 14 shown in FIG. 1, which is constructed in multiple layers and is prefabricated prior to insertion into the roof frame 12.
- the roof module 14 designed as a flat composite component forms a composite material comprising a carrier structure 16, which consists of a paper honeycomb 18 and a first cover layer 20 arranged on one side of the paper honeycomb 18 and a second cover layer 22 arranged on the other side of the paper honeycomb 18 ,
- the two cover layers 20 and 22 each consist of a polyurethane / glass fiber mixture and serve as stiffening layers of the support structure 16.
- a so-called blocking or decoupling layer is arranged, which is composed of thin individual layers and a so-called multi - Tec layer forms.
- the individual layers of the layer structure of the barrier layer 24 are partially formed of a fiber-free polyurethane material and partially of a fibrous polyurethane material.
- the barrier layer 24 carries an outer layer 26, which is the visible surface of the roof module 14 and from a sun formed IMC paint is thus formed in the process in the manufacture of the roof module 14 on the outside thereof.
- the outer layer 26 can also represent a formed in the process adhesive layer, which can be subsequently painted in a desired color.
- the support structure 16 has a coefficient of thermal expansion, which is greater or less than the coefficient of thermal expansion of the barrier layer 24, depending on the choice of material of the outer layer 26.
- the cover layer 20 of the support structure 16 may have a coefficient of thermal expansion which is less than or greater than the temperature expansion coefficient of the barrier layer 24. It is also conceivable that the temperature expansion coefficient of the cover layer 20 is equal to the coefficient of thermal expansion of the barrier layer 24.
- the cover layer 22 of the support structure 16 facing away from the barrier layer 24 has a coefficient of thermal expansion which is likewise greater or smaller than the temperature expansion coefficient of the barrier layer 24 or else equal to the temperature coefficient of the barrier layer 24.
- the adjustment of the coefficients of thermal expansion of the individual layers is achieved by adjusting the fiber content in the respective polyurethane / glass fiber mixture.
- the material composite shown in FIG. 2 is produced in such a way that first of all a coating material, which is formed as so-called IMC (in-mold coating) lacquer, is sprayed onto a surface delimiting the mold cavity into a mold cavity of a mold. Subsequently, a polyurethane / glass fiber mixture forming the barrier layer 24 is applied to the coating material. sprayed. Then, the support structure 16, which consists of the paper honeycomb with both sides arranged, impregnated with polyurethane glass fiber mats, inserted into the mold.
- IMC in-mold coating
- the tool After spraying or inserting the various component components, the tool is closed, so that by the resulting heating / pressing process, the polyurethane components and the coating material can react and the finished the roof module 14 forming composite component is formed.
- the mold After solidification of the composite component, the mold can be opened and the roof module 14 are removed from the mold. The finished component forming the composite component can then be installed on the relevant vehicle without further reworking.
- FIG. 3 shows an alternative embodiment of a composite component 14 ', which essentially corresponds to that of FIG. 2, but differs therefrom in that it has an additional material layer 28 representing a counteracting layer on the side facing away from the outer layer 26, which likewise represents a barrier layer.
- the Gegenzug Mrs 28, which can be considered as an additional intermediate layer, which is followed by a subsequently applied vehicle interior sky, is also formed according to the barrier layer 24 of a layer structure of thin individual layers, which are partially formed of a fiber-free polyurethane material and partially of a fibrous polyurethane material.
- the counteracting layer 28 has a coefficient of thermal expansion which corresponds to the coefficient of thermal expansion of the barrier layer 24.
- the counteracting layer 28 has a coefficient of thermal expansion which is smaller or larger than the temperature expansion coefficient of the barrier layer 24.
Landscapes
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10776324A EP2498986A2 (de) | 2009-11-05 | 2010-10-21 | Flächiges verbundbauteil, insbesondere fahrzeugkarosserieteil |
US13/504,419 US9327471B2 (en) | 2009-11-05 | 2010-10-21 | Flat composite component, in particular a vehicle body part |
BR112012010668A BR112012010668A2 (pt) | 2009-11-05 | 2010-10-21 | componente de compósito liso, em particular uma parte do corpo do veículo |
CN201080049783.2A CN102596556B (zh) | 2009-11-05 | 2010-10-21 | 平坦复合部件,尤其是车体零件 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009052038.4 | 2009-11-05 | ||
DE200910052038 DE102009052038B4 (de) | 2009-11-05 | 2009-11-05 | Flächiges Verbundbauteil, insbesondere Fahrzeugkarosserieteil |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011054681A2 true WO2011054681A2 (de) | 2011-05-12 |
WO2011054681A3 WO2011054681A3 (de) | 2011-06-30 |
Family
ID=43852849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/065907 WO2011054681A2 (de) | 2009-11-05 | 2010-10-21 | Flächiges verbundbauteil, insbesondere fahrzeugkarosserieteil |
Country Status (6)
Country | Link |
---|---|
US (1) | US9327471B2 (de) |
EP (1) | EP2498986A2 (de) |
CN (1) | CN102596556B (de) |
BR (1) | BR112012010668A2 (de) |
DE (1) | DE102009052038B4 (de) |
WO (1) | WO2011054681A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBA20130021A1 (it) * | 2013-03-12 | 2014-09-13 | Politecnico Di Bari | "processo criogenico per il recupero di materiali rigidi mono o poli-cristallini od amorfi rivestiti con materiali plastici" |
DE102015000866A1 (de) | 2015-01-24 | 2016-07-28 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Dachplatte für ein Kraftfahrzeug |
DE102016104603A1 (de) | 2015-12-28 | 2017-06-29 | FORMTEC PUR-Verarbeitungs-GmbH | Verbundbauteil und Verfahren zur Herstellung |
DE102017105235B4 (de) * | 2017-03-13 | 2022-06-02 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Bauelement mit Verstärkungsschicht und Verfahren zur Herstellung eines Bauelements |
US10926809B2 (en) | 2018-08-23 | 2021-02-23 | Gemini Group, Inc. | Multi-dimensional load structure |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3908433A1 (de) * | 1988-03-17 | 1989-09-28 | Schmidt Gmbh R | Kraftfahrzeugdach und verfahren zu seiner herstellung |
DE20211026U1 (de) | 2001-12-17 | 2002-10-02 | Bayer Ag, 51373 Leverkusen | Verbundteile aus Deckschichten und Polyurethan-Sandwichmaterialien |
DE10229473A1 (de) * | 2001-12-17 | 2003-06-26 | Bayer Ag | Verbundteile aus Deckschichten und Polyurethan-Sandwichmaterialien und ihre Herstellung |
DE10212370B4 (de) * | 2002-03-20 | 2006-12-14 | Webasto Ag | Dachmodul für ein Fahrzeug und Herstellungsverfahren dafür |
FR2837414B1 (fr) * | 2002-03-22 | 2004-05-28 | Forges De La Loire Et De Milou | Cle a molette |
DE10221581B4 (de) * | 2002-05-15 | 2006-02-16 | Webasto Ag | Fahrzeug-Karosserieteil |
DE10312465B8 (de) | 2003-03-20 | 2011-06-01 | Webasto Ag | Verfahren zur Herstellung eines Fahrzeug-Karosserieteils |
US7922954B2 (en) * | 2007-08-08 | 2011-04-12 | Marschke Carl R | Building wall panels of hollow core construction |
DE102007046187A1 (de) | 2007-09-26 | 2009-04-09 | Bayer Materialscience Ag | Dachmodul |
DE102009006300A1 (de) | 2009-01-27 | 2010-07-29 | Webasto Ag | Fahrzeug-Außenflächenbauteil mit Glasoptik |
-
2009
- 2009-11-05 DE DE200910052038 patent/DE102009052038B4/de active Active
-
2010
- 2010-10-21 US US13/504,419 patent/US9327471B2/en active Active
- 2010-10-21 WO PCT/EP2010/065907 patent/WO2011054681A2/de active Application Filing
- 2010-10-21 EP EP10776324A patent/EP2498986A2/de not_active Withdrawn
- 2010-10-21 CN CN201080049783.2A patent/CN102596556B/zh active Active
- 2010-10-21 BR BR112012010668A patent/BR112012010668A2/pt active Search and Examination
Non-Patent Citations (1)
Title |
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None |
Also Published As
Publication number | Publication date |
---|---|
US20120231244A1 (en) | 2012-09-13 |
WO2011054681A3 (de) | 2011-06-30 |
DE102009052038B4 (de) | 2013-10-10 |
CN102596556A (zh) | 2012-07-18 |
BR112012010668A2 (pt) | 2016-04-12 |
EP2498986A2 (de) | 2012-09-19 |
CN102596556B (zh) | 2015-05-06 |
DE102009052038A1 (de) | 2011-05-12 |
US9327471B2 (en) | 2016-05-03 |
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