CN105555526A - Metal-plastic sandwich sheet and method for the production thereof - Google Patents

Metal-plastic sandwich sheet and method for the production thereof Download PDF

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Publication number
CN105555526A
CN105555526A CN201480051303.4A CN201480051303A CN105555526A CN 105555526 A CN105555526 A CN 105555526A CN 201480051303 A CN201480051303 A CN 201480051303A CN 105555526 A CN105555526 A CN 105555526A
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CN
China
Prior art keywords
plastic
metal
plastic layer
roughness
battenboard
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Pending
Application number
CN201480051303.4A
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Chinese (zh)
Inventor
马蒂亚斯·吕茨勒
克劳斯-彼得·科赫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
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ThyssenKrupp Steel Europe AG
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Publication of CN105555526A publication Critical patent/CN105555526A/en
Pending legal-status Critical Current

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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
    • 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
    • B32B15/088—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 comprising polyamides
    • 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
    • B32B15/085—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 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • B32B37/182—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/538—Roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars

Landscapes

  • Laminated Bodies (AREA)
  • Metal Rolling (AREA)

Abstract

The present invention provides a metal-plastic sandwich sheet and a method for the production thereof. The invention relates to a metal-plastic sandwich sheet (18) having metallic outer sheets (1a, 12a) and at least one plastic layer (1b, 12b; 18b) which is arranged between the outer sheets and is bonded integrally to the outer sheets (1a, 12a). In order to improve a sandwich sheet of this type in respect of the further-processing properties thereof, the invention proposes that at least one of the two outer sheets (1a, 12a) is formed from a metal sheet having surfaces (1*, 1**, 12*, 12**) of differing roughnesses, wherein the difference in the roughness averages is at least 0.4 [micro]m, preferably at least 0.5 [micro]m. The invention is based on the concept of manufacturing the outer sheets (1a, 12a) with a differing roughness on the top and bottom side (outer and inner face) thereof, such that it is possible to freely satisfy the respective optimum in respect of the roughness desired by the customer for the outer faces of the sandwich material and also the optimum in respect of the bond between the outer sheet (1a, 12a) and the plastic layer (1b, 12b; 18b). A method for producing such a sandwich sheet (18) is also described and claimed.

Description

Metal-plastic battenboard and manufacture method thereof
Technical field
The present invention relates to a kind of metal-plastic battenboard, it has metal cladding panel and at least one is arranged on plastic layer between overlay, and this plastic layer material is connected with overlay ordinatedly.In addition the invention still further relates to a kind of method for the manufacture of this kind of battenboard.
Background technology
Light structures has more and more important meaning in motor vehicle manufacture, particularly in order to reduce the fuel consumption of motor vehicle or reduce CO 2discharge.Known measure for the weight saving of motor vehicle is in body structure, replace conventional steel plate use aluminium sheet or steel-composite panel of plastic material.
Applicant sells brand steel-composite panel of plastic material, this steel-composite panel of plastic material by two sheet metals as overlay and arrange therebetween, the sandwich layer that is made of plastics forms.The various thickness that overlay such as has within the scope of 0.2-0.3mm at this, and plastic core layer is formed with the thickness being greater than about 0.3mm.The component be made up of this sandwich material roughly achieves light weight that can be suitable with aluminium sheet, but cost is significantly reduced.In addition, the feature of this sandwich material is very high flexural rigidity and warping rigidity.Even if this kind of sandwich material particularly has the good processability of conventional steel sheet and also do not show the trend of delamination under extreme deformation condition.
For sandwich material overlay before lamination has plastic layer, carry out skin pass rolling, thus the roughness of restriction is set on sheet material.The roughness of sheet material adjusts in this customer demand drawn according to the subsequent treatment preset by sandwich material.The overlay of usual customer requirement sandwich material should have relatively high roughness, makes two of sandwich material surfaces have so-called lubrication oil bag thus, namely for holding the little recess of the lubricating oil of the forming process needs of sandwich material.Substantially consistent roughness can be produced up to now on the surface of each overlay.
Summary of the invention
Set out thus, the object of the invention is to, continue at it battenboard improving the described type of beginning in processing characteristics further.In addition, the present invention also aims to, a kind of method that reliably can manufacture corresponding metal-plastic battenboard is described.
According to the first instruction of the present invention, above-mentioned purpose is achieved by having the metal-plastic battenboard of feature described in claim 1.Illustrate in the claim quoting claim 1 according to the expedients scheme of metal-plastic battenboard of the present invention.
Be according to the feature of metal-plastic battenboard of the present invention, at least one in two overlays is made up of metallic plate, and its surface has mutually different roughness, and wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm.
The present invention is based on such design, namely, be manufactured on the overlay its upper side and lower side (outside and inner side) with different roughness, thus the optimization of the optimization of sandwich material outer surface roughness that can achieve desired by client and the adhesion between overlay and plastic layer.
The test that applicant carries out has drawn, particularly according to a kind of preferred design when each side of metallic plate has the mean roughness within the scope of 0.25-5 μm, preferably 0.5-2.5 μm, particularly preferred deep drawability and delamination resistance can be realized according to metal-plastic battenboard of the present invention.At this, on the side that metallic plate (overlay) is connected with plastic layer after a while, relatively low mean roughness is preferably set, thus the adhesion that improve between overlay and plastic layer, and on the another side of metallic plate plastic layer dorsad after a while, arrange the mean roughness meeting client and wish, this mean roughness can be greater than or be less than where necessary the mean roughness of the side that metallic plate is connected with plastic layer.The relatively high roughness in the outside of overlay is of value to the favourable deep drawability of metal-plastic battenboard.On the contrary, the relatively little roughness in the outside of overlay is such as of value to the requirement meeting vision, such as, in order to realize the perception on premium-type paint surface in the outer surface or architectural appearance surface of automobile.
Therefore be set to according to an expedients scheme of metal-plastic battenboard of the present invention, each in overlay has than roughness lower on the side of its plastic layer dorsad on its side towards plastic layer.
Two overlays not only can for implementing but also can implementing in mutually different modes where necessary substantially in an identical manner in the roughness on its surface.Therefore such as an overlay, after lamination process plastic layer dorsad side on relatively high roughness is set, thus little recess is provided, these little recesses are used for accommodation makes deep-draw become easy lubricating oil or for holding adhesive, and in second overlay after lamination process plastic layer dorsad side on relatively little roughness is set, thus such as can meet the vision requirement in outer surface of automobile or architectural appearance surface.
Correspondingly, be according to the feature of another expedients scheme of metal-plastic battenboard of the present invention, the outside of overlay plastic layer dorsad has mutually different roughness, and wherein, the difference of the mean roughness in outside is at least 0.4 μm, is preferably at least 0.5 μm.
Be according to the feature of another expedients scheme of metal-plastic battenboard of the present invention, overlay has mutually different roughness towards the inner side of plastic layer, wherein, the difference of the mean roughness of inner side is at least 0.4 μm, is preferably at least 0.5 μm.This design is useful manufacturing in overlay with the roughness arranged according to the present invention especially.
Be according to another expedients scheme of metal-plastic battenboard of the present invention, at least one overlay is made up of dual phase steel.Dual phase steel be specially adapted to have high stretch ratio, for the manufacture of the cold forming process of the car body component relevant to intensity of complexity.Cold rolling dual phase steel provides huge potentiality for the weight saving in body shell region due to its higher bending strength.The high hardening capacity of dual phase steel reduces the danger of the local contraction of material in forming process and can impel significantly improving of the parts yield limit in forming area under lower deformation extent.The final strength of component (metal-plastic battenboard) can carry out adjusting or improving by heat treatment, particularly by baking vanish.Can realize by this way making intensity improve more than 30MPa extraly.
At least one preferably in two overlays is made up of steel, and these steel contain: the Al of Si and 0.015-2.0 % by weight of Mn, 0.1-1.0 % by weight of 0.8-2.9 % by weight.Tectal steel such as have the following chemical composition represented with weight ratio (% by weight) in melt analysis:
The C of 0.08-0.23
The Si of 0.40-1.0
The Mn of 0.80-2.9
The P of maximum 0.085
The S of maximum 0.015
The Al of 0.015-2.0
The Ni+Nb of maximum 0.15
The Cr+Mo of maximum 1.40
The V of maximum 0.20
The B of maximum 0.005
Residue iron and inevitable impurity.
In addition, preferably manufacture the overlay being positioned at outside according to metal-plastic battenboard of the present invention in the component made like this, that is, it has the tensile strength in 480 to 1150Mpa scope.Thus achieve the high bending strength of overlay and outer panel.
In order to improve the life-span according to metal-plastic battenboard of the present invention, according to another preferred design of the present invention, overlay at least can be provided with the corrosion protective layer of metal on the outside of its plastic layer dorsad.
Replace the overlay be made up of steel, also can have at least one overlay be made up of light-weight metal (such as aluminium or magnesium) according to metal-plastic battenboard of the present invention.If overlay is made of aluminum, preferably use the alloy of 5xxx type and 6xxx type, such as 5000 or 6000.If overlay is made up of magnesium on the contrary, preferably use the alloy of AZ31 and Geng Gao type and the alloy of AM50 type.
Preferably be made up of polyamide, polyethylene according to the plastic layer of metal-plastic battenboard of the present invention or be made up of polyamide-polyethylene mixture.The feature of polyethylene and polyamide to be in the coating procedure of metal surface particularly preferred can processing type and can such as being activated in a straightforward manner by heating.The mixture be made up of polyamide and polyethylene promotes the favourable combination of two kinds of plastics performance in one layer.
According to the thickness of the plastic layer of metal-plastic battenboard of the present invention preferably in 0.1 to 0.8mm scope, and overlay preferably has the thickness in 0.1 to 0.5mm scope respectively.
According to the second instruction of the present invention, above-mentioned purpose is achieved by having the method for feature described in claim 10.Illustrate in the claim quoting claim 10 according to the expedients scheme of method of the present invention.
Comprise the following steps according to method of the present invention:
There is provided at least two one-sided be covered with plastics, the metallic plate of tabular or band shape, wherein at least one metallic plate is formed like this, that is, its surface has mutually different roughness, and wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm;
In order to form the connection of material fit between plastic layer, before being bonded with each other by plastic layer, activate the side of the coating plastic of at least one metallic plate, wherein, the activation of plastic layer is directly undertaken by the side of the coating plastic of metallic plate; And
Metallic plate is interconnected with the side of its coating plastic becomes battenboard.
From method that is known, that wherein carry out activating through metal level heating of plastic layer is different at present, direct activation plastic layer in the method according to the invention, that is, activating by frosting side, can effectively avoiding thus producing negative effect to connecting between plastic layer and metal level.Particularly can reduce semi-finished product to be connected thus significantly in connection procedure or the danger of delamination on time point afterwards.
Accompanying drawing explanation
The present invention is further illustrated by reference to the accompanying drawings subsequently by embodiment.Wherein:
Fig. 1 show in a schematic the flattening apparatus for the formation of metallic plate, and the surface roughness of this metallic plate is different;
Fig. 2 show in a schematic for the equipment for the one-sided plastic covering layer of metallic plate; And
Fig. 3 show in a schematic for the manufacture of the equipment according to metal-plastic battenboard of the present invention.
Detailed description of the invention
Figure 1 illustrates the equipment for making banded metallic plate 1 smooth.This metallic plate 1 is preferably steel plate, and this steel plate such as has the thickness in 0.1 to 0.5mm scope.This equipment comprises the rolling rack with smooth roll 2a, 2b, and this smooth roll defines the rolling gap being roughly less than the thickness treating flat strip 1.By smooth, each side of sheet metal strip 1 formed or adjusts the coarse structure limited.Each of these two smooth roll 2a, 2b has specific surface texture for this reason.
According to the present invention, for smooth roll 2a, the 2b that make the smooth use of sheet metal strip 1 have the surface texture of different degree of roughness.Such as, upper smooth roll 2a has the surface texture of opposed flattened, and lower smooth roll 2b has relatively coarse surface texture.This schematically shows in the surface segment of smooth roll 2a, 2b with the size of amplifying in Fig. 1 a and Fig. 1 b, and by the hemispherical of different size or the protruding 3a of some convex, 3b represents.In practice, these relatively little protruding 3a, 3b also can have other shapes, such as, formed with I shape, two I shape, H-shaped or X-shaped.To feed or slewing rollers are identified by 4a, 4b.
Smooth roll 2a, 2b is formed like this, that is, have the mutually different surface of roughness 1 by its rolled metal band 1a *, 1 *, wherein, the difference of the mean roughness of two strip surface is at least 0.4 μm, is preferably at least 0.5 μm.
Before smooth, sheet metal strip 1 preferably one-sided or both sides is provided with corrosion-resistant metal protective layer.For the corrosion protective layer of sheet metal strip 1 metallizing such as can be undertaken by hot-dip coated or electrolytic coating.
After smooth, its side 1 *, 1 *the sheet metal strip 1a with different degree of roughness batches to be become coiled material and shelves temporarily or directly continue transported to the equipment for One-sided coatings plastic layer 1b.This kind equipment schematically shows in fig. 2.
First smooth sheet metal strip 1a carried out pretreatment before One-sided coatings plastic layer 1b in one or more processing station.First this band 1a such as carries out alkaline de-oiling and/or cleans in processing station 6.In ensuing processing station 7, strip surface is passed through and is ready for coating thus in the pretreatment pool of one or more chemistry.The processing station 8 increasing attached dose or adhesive for One-sided coatings can also be provided with in addition.The side 1 increasing attached dose or adhesive is according to circumstances provided with after pre-processing at band la *on be covered with plastic layer 1b.This plastic layer 1b is such as made up of the mixture of polyamide, polyethylene or these plastics.This plastic layer can be attached on band 1a with the form of prefabricated plastic sheeting.Can use for this reason and there is compression roller 9a, the laminating apparatus 9 of 9b.Can the compression roller 9a of heated lamination equipment 9 where necessary at this, at least one in 9b, thus improve the adhesion between sheet metal strip 1a and plastic layer (plastic sheeting) 1b.Overlay on the thickness of the plastic layer 1b on sheet metal strip in the scope of 0.1 to 0.8mm.Replace using prefabricated plastic sheeting shown in Fig. 2, also can by the direct extrusion molding of plastics extrusion molding on band 1a coating plastic layer 1b.
After being covered with plastic layer 1b, the band 1a of one-sided coating is through apparatus for supercooling and/or drying device 10.Subsequently, this strip coiling becomes coiled material 11 and the equipment shelved temporarily or directly continue transported to for being covered with overlay (sheet metal strip) 12a or the one-sided equipment being covered with overlay (sheet metal strip) 12a being similarly coated with plastic layer 12b.
A kind of equipment for the manufacture of this kind of metal-plastic battenboard (core filled composite material) has been shown in Fig. 3.This equipment has a decoiling equipment 13,14 respectively for the semi-finished product 1 ', 12 of each band shape.At least one or two semi-finished product 1 ', 12 in semi-finished product 1 ', 12 are the one-sided sheet metal strip being covered with plastics, and preference is as the steel band that can be produced by equipment as shown in Fig. 1 and 2.
Two banded semi-finished product 1 ', 12 by respective decoiling equipment 13,14 uncoiling and with two of semi-finished product 1 ', 12 plastic layer lb, 12b toward each other and the mode mutually reclined is transported to roll to 15,16.Be about to introduce by roll 15 at semi-finished product 1 ', 12, before in the 16 rolling gaps limited, the plastic layer lb of two semi-finished product 1 ', 12,12b are activated by the device 17 being undertaken acting on by frosting side.
With routine, the difference of such as carrying out by the heating (namely being heated by the side of metal level) of metal level the method activated is, can pass through by plastic side or the activation being carried out plastic layer by the half-finished frosting being covered with plastics, thus only introduce the necessary energy of activation forming the frosting connected.Such as effectively can avoid the superheated connected between metal and plastics thus.In addition, also other activated medias can be used by the direct activation of frosting, such as solvent or ozone.
At this, such as, can be provided the simple especially mode for activated plastics surface by the device 17 causing heat to import into.At least one is half-finished, preferably two half-finished frostings can with radiation and/or the mode of convection current heat.Such as LED, laser, microwave radiation or far ir ray source can be used as the device of radiation.Simple air-heater also may be used for the heating of frosting and very accurately can be adjusted to critical-temperature.This critical-temperature such as can be the fusion temperature of the plastics of plastic layer to the maximum, because plastics can lose its surface configuration as much as possible in fusion process.But in order to realize at roll to 15 afterwards, two plastic layer lb between 16, the connection of 12b, by also enough in heating temperatures to the scope of glass transition temperature in the activation process of frosting.
The preferably integrated device for measuring frosting temperature in for the device 17 on activated plastics surface, thus can very well control this process.Two semi-finished product 1 ', 12 are mutually extruded in the rolling gap limited by roll 15,16, thus two plastic layer lb, 12b reclines mutually.At this point, Fig. 3 comprises the schematic section of the moment core filled composite material shown in two plastic layer lb, 12b contact.
Due to the activation of plastic layer lb, 12b, these two plastic layers change in time and form same plastic layer, as the composite 18 after the connection of plastic layer lb, 12b material fit shown in the next schematic section of Fig. 3.Two metal cladding panel 1a, 12a (being preferably steel plate) now enclose one deck plastic layer 18b.In steel grade, the intensity of core filled composite material to be made can adjust together with by selecting sheet metal thickness in the rated range of 0.1mm to 0.5mm.Such as, steel grade, the particularly dual phase steel of high strength is selected can to realize significantly improving or obviously reducing of thickness while intensity remains unchanged by the metal cladding panel 1a for core filled composite material 18,12a.
Replace using two one-sided semi-finished product 1 ', 12 being covered with plastics according to Fig. 3, also only can use unique one-sided semi-finished product 1 ' or 12 and be combined into core filled composite material with sheet metal strip 12a or 1a (preferred steel band) being covered with plastics.Importantly, two overlay 1a, at least one in 12a is made up of metallic plate, and its surface has mutually different roughness, and wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm.
At this, preferred overlay 1a, each in 12a has lower roughness than on the side of its plastic layer lb, 12b or 18b dorsad on its side towards plastic layer lb, 12b or 18b.In addition further preferably, overlay 1a, 12a be plastic layer lb dorsad, and the outside of 12b or 18b has mutually different roughness, and wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm.
The core filled composite material made like this can be batched by devices for taking-up subsequently becomes coiled material 19 for transporting or shelve temporarily.
Enforcement of the present invention is not limited to the example shown in accompanying drawing.Specifically, can consider multiple modification, these modification can use in the design of the present invention described in different from these examples, claims.Therefore, the present invention also can not only 3 layers can also use in the metal-plastic battenboard at 5 layers, 7 layers etc.
Within the scope of the invention, in the modification of the embodiment shown in Fig. 3, banded overlay is coated with adhesive separated from each other, wherein makes coated adhesive dry subsequently.Be bonded with each other like this by the overlay (band) that two apply so subsequently, that is, overlay is to be coated with the side of adhesive toward each other.The band applied is substantially side by side with band shape, bonded to each other as the plastic sheeting of intermediate layer (sandwich layer).First by by two overlays be arranged on the compound that the plastic sheeting between overlay formed and heat, again extruded by rolling tool alternatively where necessary and cool subsequently.

Claims (15)

1. a metal-plastic battenboard (18), it has the overlay (1a of metal, 12a) be arranged on described overlay (1a with at least one, plastic layer (18b) 12a), described plastic layer material is connected with described overlay ordinatedly, it is characterized in that, described overlay (1a, at least one 12a) is made up of metallic plate, its surface (1 *, 1 *, 12 *, 12 *) there is mutually different roughness, wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm.
2. metal-plastic battenboard according to claim 1, is characterized in that, each side of described metallic plate has the mean roughness within the scope of 0.25-5 μm, preferably 0.5-2.5 μm.
3. metal-plastic battenboard according to claim 1 and 2, is characterized in that, each in described overlay (1a, 12a) is in its side (1 towards described plastic layer (18b) *, 12 *) on have than the side (1 at its described plastic layer (18b) dorsad *, 12 *) on lower roughness.
4. metal-plastic battenboard as claimed in any of claims 1 to 3, is characterized in that, the outside (1 of described overlay (1a, 12a) described plastic layer (18b) dorsad *, 12 *) there is mutually different roughness, wherein, the difference of the mean roughness in described outside is at least 0.4 μm, is preferably at least 0.5 μm.
5. metal-plastic battenboard as claimed in any of claims 1 to 4, is characterized in that, described overlay (1a, 12a) is towards the inner side (1 of described plastic layer (18b) *, 12 *) there is mutually different roughness, wherein, the difference of the mean roughness of described inner side is at least 0.4 μm, is preferably at least 0.5 μm.
6. metal-plastic battenboard as claimed in any of claims 1 to 5, is characterized in that, described overlay (1a, 12a) is at least in the outside (1 of its described plastic layer (18b) dorsad *, 12 *) on be provided with the corrosion protective layer of metal.
7. metal-plastic battenboard as claimed in any of claims 1 to 6, is characterized in that, described plastic layer (18b) is made up of polyamide, polyethylene or the mixture that is made up of polyamide and polyethylene is made.
8. metal-plastic battenboard as claimed in any of claims 1 to 7, is characterized in that, described plastic layer (18b) has the thickness in 0.1 to 0.8mm scope.
9. metal-plastic battenboard as claimed in any of claims 1 to 8, is characterized in that, described overlay (1a, 12a) is made up of steel and/or aluminium, and described overlay has the thickness in 0.1 to 0.5mm scope.
10., for the manufacture of a method for metal-plastic battenboard as claimed in any of claims 1 to 9, comprise the following steps:
Prepare at least two one-sided be covered with plastics, the metallic plate (1 ', 12) of tabular or band shape, wherein at least one metallic plate is formed like this, that is, its surface (1 *, 1 *; 12 *, 12 *) there is mutually different roughness, wherein, the difference of mean roughness is at least 0.4 μm, is preferably at least 0.5 μm;
In order to form plastic layer (1b, the connection of material fit 12b), by described plastic layer (1b, 12b) before being bonded with each other, activate the side of the coating plastic of metallic plate described at least one (1 ', 12), wherein, the activation of described plastic layer (1b, 12b) is directly undertaken by the side of the coating plastic of described metallic plate; And
Described metallic plate (1 ', 12) is interconnected by the side of its coating plastic becomes battenboard (18).
11. methods according to claim 10, is characterized in that, each side of the described metallic plate (1 ', 12) provided has the mean roughness within the scope of 0.25-5 μm, preferably 0.5-2.5 μm.
12. methods according to claim 10 or 11, is characterized in that, each in the described metallic plate (1 ', 12) provided is in its side (1 towards described plastic layer (1b, 12b) *, 12 *) on have than the side (1 its described plastic layer (1b, 12b) dorsad *, 12 *) on lower roughness.
13., according to claim 10 to the method described in any one in 12, is characterized in that, the described metallic plate (1 ', 12) provided is in the outside (1 of its described plastic layer (1b, 12b) dorsad *, 12 *) on there is mutually different roughness, wherein, the difference of the mean roughness in described outside is at least 0.4 μm.
14., according to claim 10 to the method described in any one in 13, is characterized in that, the described metallic plate (1 ', 12) provided is in its inner side (1 towards described plastic layer (1b, 12b) *, 12 *) on there is mutually different roughness, wherein, the difference of the mean roughness of described inner side is at least 0.4 μm.
15. metal-plastic battenboards (18) as claimed in any of claims 1 to 9 are for the purposes of the manufacture of automobile component.
CN201480051303.4A 2013-09-18 2014-07-15 Metal-plastic sandwich sheet and method for the production thereof Pending CN105555526A (en)

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DE102013110282A1 (en) 2015-03-19

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