WO2023174699A1 - Corps composite multicouche - Google Patents

Corps composite multicouche Download PDF

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Publication number
WO2023174699A1
WO2023174699A1 PCT/EP2023/055264 EP2023055264W WO2023174699A1 WO 2023174699 A1 WO2023174699 A1 WO 2023174699A1 EP 2023055264 W EP2023055264 W EP 2023055264W WO 2023174699 A1 WO2023174699 A1 WO 2023174699A1
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WO
WIPO (PCT)
Prior art keywords
layer
composite body
multilayer composite
approximately
din
Prior art date
Application number
PCT/EP2023/055264
Other languages
German (de)
English (en)
Inventor
Thorsten Engelbrecht
Michael Wölfel
Original Assignee
REHAU Industries SE & Co. KG
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Publication date
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Publication of WO2023174699A1 publication Critical patent/WO2023174699A1/fr

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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
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B32B2264/1021—Silica
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B32B2264/1022—Titania
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B32B2264/1023—Alumina
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B32B2264/1026—Mica
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/30—Particles characterised by physical dimension
    • B32B2264/303—Average diameter greater than 1µm
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/40—Pretreated particles
    • B32B2264/403—Pretreated particles coated or encapsulated
    • 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
    • B32B2307/409—Iridescent, pearlescent surface
    • 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
    • B32B2307/412—Transparent
    • 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
    • B32B2307/414—Translucent
    • 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
    • B32B2307/418—Refractive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/737—Dimensions, e.g. volume or area
    • B32B2307/7375—Linear, e.g. length, distance or width
    • B32B2307/7376—Thickness
    • 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

Definitions

  • the invention relates to a multilayer composite body, comprising a first layer and a second layer.
  • the invention further relates to a furniture building board and a laminate with at least one multi-layer composite body.
  • Such multilayer composite bodies are known from the prior art.
  • DE 2 730 899 describes a multilayer composite body consisting of a preferably 50 to 100 pm thick transparent cover layer and a carrier layer, the cover layer consisting of polycarbonate, a low-melting thermoplastic polyester, a transparent ABS polymer or PMMA, the carrier layer preferably being larger 500 ⁇ m thick and made of polyvinyl chloride or a styrene polymer, preferably an impact-modified polystyrene, and the cover layer is firmly bonded to the carrier layer, if necessary via one or more intermediate layers, with the layer adjacent to the cover layer either on the one facing the cover layer Side is decoratively printed or embossed or colored and embossed.
  • polycarbonates are known commercially available materials; polybutylene terephthalate and/or modified polybutylene terephthalate are preferably used as thermoplastic polyesters. Styrene-acrylonitrile copolymers should be used as ABS polymers.
  • the PMMA is transparent and can be modified to be impact-resistant.
  • Such multi-layer composite bodies are used, for example, in the sanitary sector for the production of shower trays, wash basins and the like.
  • the hardness, scratch resistance and gloss of the surface are considered to be particularly important and the possibility of repairing surface damage by polishing should be exploited.
  • this multi-layer composite body must be designed, for example by deep drawing, in such a way that both the mechanical and optical properties of the bathtub insert, shower tray and the like made from it are approximately retained after deformation.
  • the disadvantage of this multi-layer composite body is that its production is very complex and, based on the materials chosen, very cost-intensive.
  • this multilayer composite body can only be used to a limited extent, particularly in the furniture industry for producing furniture parts with a high-quality, flat surface. This is particularly due to the complex layer structure of this multi-layer composite body and the selected material combinations.
  • This multi-layer composite body relates to a furniture board, with a top side of a support made of wood or a wood substitute material being glued to a clear or satin-finished plastic panel, that the plastic panel is provided with a colored varnish on the underside, that the plastic panel is provided with a scratch-resistant clear varnish on the top side and that the Edges of the cut-to-size furniture board are covered with a plastic edge with a glass look.
  • the plastic plate should be made of acrylic or polycarbonate and have a material thickness of around 2 to 4 mm.
  • Another disadvantage is that color stability is not guaranteed over long periods of time and that this composite body fails early, particularly when exposed to different temperatures.
  • the invention has set itself the task of overcoming the disadvantages of the prior art and of showing a multi-layer composite body that is simple and can be produced inexpensively and is available for use, particularly in furniture construction, with a variety of decors and in various attractive looks.
  • the invention has also set itself the task of providing a furniture construction board and a laminate with at least one multi-layer composite body.
  • a multilayer composite body comprising a first layer made of at least one polymeric material, the first layer having a transmittance of at least 80% for visible light over its thickness, measured according to DIN EN ISO 13468-2:2006-07 , a second layer made of at least one polymeric material containing pigments and / or dyes, optionally light stabilizers, the material of the second layer being at least 0.1 to 8% by weight, preferably 0.1 to 5% by weight, based on the total weight, layered silicates, in particular pearlescent pigments comprising mica, mica, aluminum oxide, silicon oxide, calcium aluminum borosilicates, bismuth chloride oxide, and mixtures of these, with a pigment size of about 1 pm to 300 pm, preferably 5 pm to 200 pm according to ISO 13320 :2020-01, which has at least one coating made of at least one metal oxide, preferably titanium and/or iron (III) and/or tin and/or zirconium oxide, as well as mixed oxides of these, the multilayer composite body comprising
  • multilayer composite bodies can be made available which have a top side with a visually very appealing, elegant appearance, which has the appearance of matt metal surfaces anodized in different colors .
  • This visually appealing surface can surprisingly also be detected very well using a multi-angle measurement of the L*a*b* color space.
  • the L*a*b* color space in the sense of this invention (also: CIELAB, CIEL*a*b*, Lab colors) describes all perceptible colors.
  • a coordinate indicates the chromaticity and color intensity between green and red
  • L Lightness
  • a and b can be varied between -128 and 127.
  • L*a*b* color space In the usual 8-bit model per color channel, 16.7 million possible lab coordinates are achieved in this way.
  • the real L*a*b* color space goes beyond the a/b limits mentioned in some areas and does not reach the a/b limits mentioned in most areas.
  • the most important properties of the L*a*b* color model include device independence and perceptual relevance, which means that colors are defined as they are perceived by a normal observer under a standard lighting condition, regardless of the type of production or reproduction technology.
  • the resulting elegant look of the surface of the multi-layer composite bodies can also be achieved in various color combinations with regard to the pigments that can be used.
  • the surface of the multilayer composite body has an AE* value of at least -30, preferably at least -50, particularly preferably at least -70, measured via a multi-angle measurement according to DIN 5033-7:2014-10 between - 15° and 110°.
  • AE* value of at least -30, preferably at least -50, particularly preferably at least -70, measured via a multi-angle measurement according to DIN 5033-7:2014-10 between - 15° and 110°.
  • the first layer has at least one cover layer with a thickness of approximately 2 to 60 ⁇ m, preferably 5 to 30 ⁇ m.
  • this top layer protects the first layer and
  • this top layer also reinforces the metallic effect caused by the pigments contained in the second layer.
  • the cover layer comprises at least one acrylic polymer and has a maximum transmittance for visible light over its thickness of approximately 80%, measured according to DIN EN ISO 13468-2:2006-07.
  • a top layer creates an optimal surface gloss and a certain 3D effect on the entire surface of the multi-layer composite body.
  • the multilayer composite body is advantageously further characterized in that the first layer has at least one (meth)acrylate copolymer, which has a haze of ⁇ 0.5 measured according to ASTM D 1003:2021 and a refractive index with a value of approximately 1.49 measured according to DIN EN ISO 489:1999-08.
  • the first layer is at least one polycarbonate (PC) with a refractive index of approximately 1.585; a polystyrene (PS) with a refractive index of approximately 1.58; a styrene acrylonitrile (SAN) with a refractive index of approximately 1.56; a polypropylene (PP) with a refractive index of approximately 1.50; and a polyethylene terephthalate (PET) with a refractive index of approximately 1.57 measured according to DIN EN ISO 489:1999-08, or mixtures thereof.
  • PC polycarbonate
  • PS polystyrene
  • SAN styrene acrylonitrile
  • PP polypropylene
  • PET polyethylene terephthalate
  • the surface of the multilayer composite body therefore advantageously not only has a certain 3D effect, but the metallic effect can be seen by the viewer in different intensity or color strength across the cross section.
  • At least a third layer is arranged on the side of the second layer opposite the first layer. On the one hand, this leads to better rigidity of the multi-layer composite body and, on the other hand, to good bondability.
  • the third layer comprises at least one styrene polymer, in particular a styrene copolymer, preferably a styrene-acrylonitrile (SAN).
  • SAN styrene-acrylonitrile
  • the third layer has at least one acrylonitrile-butadiene-styrene copolymer (ABS).
  • ABS acrylonitrile-butadiene-styrene copolymer
  • the third layer has at least one (meth)acrylate copolymer.
  • the third layer is a blend of acrylonitrile-butadiene-styrene copolymer (ABS) with a proportion of approximately 10 to 90% by weight of styrene-acrylonitrile (SAN), preferably 20 to 80% by weight. -% styrene-acrylonitrile (SAN), based on the total weight.
  • ABS acrylonitrile-butadiene-styrene copolymer
  • SAN styrene-acrylonitrile
  • SAN styrene-acrylonitrile
  • Such multilayer composite bodies can therefore be produced extremely economically and cost-effectively.
  • the material of the composite body has a processing shrinkage of approximately 0.3 to 0.7% measured according to DIN EN ISO 294-4:2019-04. This also makes it possible to produce a multi-layer composite body economically and cost-effectively, which also has an absolutely flat surface without curvatures and similar defects.
  • the furniture board with the multi-layer composite body is surprisingly characterized in that at least one support element is arranged on the side of the second layer opposite the first layer. This makes it possible for the first time to provide multi-layer composite bodies with a support element, for example in furniture construction as furniture doors, side panels, furniture bodies and the like.
  • a laminate with at least one multi-layer composite body is solved by the features of claims 13 to 15.
  • the laminate of at least one multi-layer composite body it has proven to be advantageous that at least one further multi-layer composite body is arranged on the side of the second layer opposite the first layer.
  • at least one further multi-layer composite body is arranged on the side of the third layer opposite the first layer.
  • the laminate with at least one multi-layer composite body is further characterized in that it has at least two multi-layer composite bodies arranged next to one another according to the previous embodiments.
  • the multilayer composite body, in particular its components can be produced using a generative manufacturing process, in particular in one piece, for example by a 3D printing process.
  • Data processing, machine-readable, three-dimensional models can advantageously be used for the production of the multilayer composite body, in particular its components.
  • the invention also includes a method for generating a data processing machine-readable, three-dimensional model for use in a manufacturing process for a multilayer composite body, in particular its components.
  • the method also includes, in particular, the input of data representing a multi-layer composite body, in particular its components, into a data processing machine and the use of this data to represent the multi-layer composite body, in particular its components, as three-dimensional models, the three-dimensional model being suitable is, for use in the production of a multi-layer composite body, in particular its components.
  • the multilayer composite body in particular its components, can be produced in whole or in part using a line-building or layer-building manufacturing process.
  • a 3D data set can be used with great advantage during construction or production.
  • Also included in the method is a technology in which the data entered by one or more 3D scanners, which work either on contact or contactless, with the latter applying energy to a multi-layer Composite body, in particular its components, is emitted and the reflected energy is received, and wherein a virtual three-dimensional model of a multi-layer composite body, in particular its components, is generated using computer-aided design software.
  • the manufacturing process can be a generative powder bed process, in particular selective laser melting (SLM), selective laser sintering (SLS), selective heat sintering (Selective Heat Sintering - SHS), selective electron beam melting (Electron Beam Melting - EBM / Electron Beam Additive Manufacturing - EBAM) or solidification of powder material using binder jetting.
  • SLM selective laser melting
  • SLS selective laser sintering
  • SHS selective heat sintering
  • SHS Selective Heat Sintering - SHS
  • selective electron beam melting Electron Beam Melting - EBM / Electron Beam Additive Manufacturing - EBAM
  • solidification of powder material using binder jetting in particular selective laser melting (SLM), selective laser sintering (SLS), selective heat sintering (Selective Heat Sintering - SHS), selective electron beam melting (Electron Beam Melting - EBM / Electron Beam Additive Manufacturing - EBAM) or solidification
  • the manufacturing process can be a generative free-space process, in particular deposition welding, wax deposition modeling (WDM), contour crafting, metal powder deposition process (MPA), plastic powder deposition process, cold gas spraying, electron beam melting (Electron Beam Welding - EBW) or melt deposition processes such as fused deposition Modeling (FDM) or Fused Filament Fabrication (FFF).
  • the manufacturing process can include a generative liquid material process, in particular stereolithography (SLA), digital light processing (DLP), multi jet modeling (MJM), polyjet modeling or liquid composite molding (LCM).
  • the manufacturing process can include other generative layer construction processes, in particular Laminated Object Modeling (LOM), 3D screen printing or light-controlled electrophoretic deposition.
  • LOM Laminated Object Modeling
  • Figure 1 perspective view of a multi-layer composite body
  • Figure 2 Sectional view of a furniture board with at least one multi-layer composite body
  • Figure 3 perspective view of a laminate with at least two multi-layer composite bodies
  • Figure 4 Sectional view of another laminate with at least two multi-layer composite bodies.
  • 1 shows a perspective view of a multi-layer composite body 10, comprising a first layer 1 made of at least one polymeric material, the first layer 1 having a transmittance of at least 80% for visible light over its thickness, measured according to DIN EN ISO 13468- 2:2006-07, a second layer 2 made of at least one polymeric material, containing pigments and / or dyes, optionally light stabilizers, the material of the second layer 2 being at least 0.1 to 8% by weight, preferably 0.1 to 5% by weight, based on the total weight, of layered silicates, in particular pearlescent pigments comprising mica, mica, aluminum oxide, silicon oxide, calcium aluminum borosilicates, bismuth chloride oxide, and mixtures of these, with a pigment size of about 1 pm to 300 pm, preferably 5 pm to 200 pm according to ISO 13320:2020-01, which has at least one coating made of at least one metal oxide, preferably titanium and / or iron
  • the multilayer composite body 10 is designed such that the material of the second layer 2 has approximately 3% by weight, based on the total weight, of layered silicates, in particular pearlescent pigments comprising mica, with a pigment size of approximately 200 mm according to ISO 13320:1020 -01, which has at least one coating made of at least one metal oxide, one titanium oxide.
  • the multilayer composite body 10 has a total thickness of approximately 3.5 mm.
  • the surface of the multilayer composite body 10 has an AL* value of approximately -50, measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multilayer composite body 10 in this exemplary embodiment is designed such that the surface has an AE* value of approximately -55 measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multilayer composite body 10 is designed such that the first layer 1 has at least one cover layer 5 with a thickness of approximately 2 to 60 ⁇ m, preferably 5 to 30 m. In this exemplary embodiment, the multilayer composite body 10 is designed such that the cover layer 5 has a thickness of approximately 10 ⁇ m.
  • the multilayer composite body 10 is designed such that the cover layer 5 comprises at least one acrylic polymer and has a maximum transmittance for visible light over its thickness of approximately 80% measured according to DIN EN ISO 13468 -2:2006-07.
  • the multilayer composite body 10 is designed such that the cover layer 5 has a transmittance of approximately 75% for visible light over its thickness, measured according to DIN EN ISO 13468 -2:2006-07.
  • the first layer 1 of the multilayer composite body 10 has at least one (met)acrylate copolymer, which has a haze of ⁇ 0.5 measured according to AST D1003:2021, and a refractive index with a value of approximately 1.49 measured according to DIN EN ISO 489: 1999-08.
  • the multilayer composite body 10 is designed such that the first layer 1 has a polymethyl methacrylate (PMMA), which has a haze of approximately 0.2 measured according to AST D 1003:2021. Furthermore, the multilayer composite body 10 in this exemplary embodiment is designed such that the first layer 1 has a refractive index with a value of approximately 1.49 measured according to DIN EN ISO 489:1999-08.
  • PMMA polymethyl methacrylate
  • the multilayer composite body 10 in this exemplary embodiment is designed such that the first layer 1 has a refractive index with a value of approximately 1.49 measured according to DIN EN ISO 489:1999-08.
  • FIG. 2 shows a sectional view of a furniture board with at least one multi-layer composite body 10.
  • the furniture board with at least one multi-layer composite body 10 comprising a first layer 1, made of at least one polymeric material, the first layer 1 having a transmittance of at least 80% over its thickness for visible light measured according to DIN EN ISO 13468-2:2006-07 , a second layer 2 made of at least one polymeric material, containing pigments and / or dyes, optionally light stabilizers, the material of the second layer 2 being at least 0.1 to 8% by weight, preferably 0.1 to 5% by weight, based on the total weight, layered silicates, in particular pearlescent pigments comprising mica, mica, aluminum oxide, silicon oxide, calcium aluminum borosilicates, bismuth chloride oxide, and mixtures of these, with a pigment size of about 1 pm to 300 pm, preferably 5 pm to 200 pm ISO 13320:2020-01, which has at least one coating made of at least one metal oxide, preferably titanium and/or iron (III) and/or tin and/or zirconium oxide, as well as Mixed oxides of these,
  • the carrier element 4 is arranged at a distance from the second layer 2 of the multilayer composite body 10 via a connecting layer 6.
  • the multilayer composite body 10 of the furniture board has a total thickness of approximately 3.0 mm.
  • the surface of the multi-layer composite body 10 of the furniture board has an AL* value of approximately -55 measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multi-layer composite body 10 of the furniture board is designed such that the first layer 1 has at least one cover layer 5 with a thickness of approximately 2 to 60 pm, preferably 5 to 30 pm.
  • the cover layer 5 has a thickness of 25 ⁇ m.
  • the multi-layer composite body 10 of the furniture board is characterized in that the surface of the multi-layer composite body 10 has an AE* value of at least -30, preferably at least -50, particularly preferably at least -70, measured via a multi-angle measurement according to DIN 5033-7:2014 -10 between -15° and 110°.
  • the material of the multi-layer composite body 10 of the furniture board has a processing shrinkage of approximately 0.3 to 0.7% measured according to DIN EN ISO 294-4:2019-04.
  • the material of the multilayer composite body 10 of the furniture board has a processing shrinkage of approximately 0.35% measured according to DIN EN ISO 294-4:2019-04.
  • the carrier element 4 is arranged at a distance from the second layer 2 of the multi-layer composite body 10 of the furniture board via a connecting layer 6.
  • the connecting layer 6 is designed as an adhesive layer and has at least one reactive adhesive based on polyurethane (PUR). Both single-component and multi-component adhesives based on polyurethane (PUR) can be used here.
  • the support element 4 of the furniture board is designed in this exemplary embodiment as a so-called MDF board.
  • the carrier element 4 of the furniture board is made of wood, wood materials, wood substitutes, polymeric materials, metallic materials, ceramic materials, glass, paper, composite carrier materials and the like.
  • FIG 3 shows a perspective view of a laminate with at least two multi-layer composite bodies 10.10".
  • the multilayer composite body 10,10" of the laminate comprises a first layer 1,1" made of at least one polymeric material, the first layer 1,1" having a transmittance of at least 80% for visible light over its thickness, measured according to DIN EN ISO 13468 -2:2006-07, a second layer 2.2" made of at least one polymeric material, containing pigments and / or dyes, if necessary light stabilizers, the material of the second layer 2.2" being at least 0.1 to 8 wt.
  • layered silicates in particular pearlescent pigments comprising mica, mica, aluminum oxide, silicon oxide, calcium aluminum borosilicates, bismuth chloride oxide, and mixtures of these, with a pigment size of approximately 1 pm to 300 pm, preferably 5 pm to 200 pm according to ISO 13320:2020-01, which has at least one coating made of at least one metal oxide, preferably titanium and/or iron (III) and/or tin and/or zirconium oxide, as well as mixed oxides of these, the multilayer composite body 10, 10" having a total thickness of approximately 0.3 to 8 mm, preferably 0.5 to 5 mm, the surface having an AL* value of at least -30, preferably at least -50, particularly preferably at least -70 measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°, wherein the multilayer composite body 10 is arranged at a distance from the multilayer composite body 10" via at least one
  • the multilayer composite body 10 of the laminate is designed such that the material of the second layer 2 is approximately 2.5% by weight, based on the Total weight, layered silicate, in particular pearlescent pigments comprising aluminum borosilicates, with a pigment size of approximately 200 pm according to ISO 13320: 2020-01, which has at least one coating made of a metal oxide, a zirconium oxide, the multilayer composite body 10 having a total thickness of approximately 6.5 mm, the surface has an AL* value of approximately -78 measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multilayer composite body 10' of the laminate is designed such that the material of the second layer 2' contains approximately 4% by weight, based on the total weight, of layered silicate, in particular pearlescent pigments comprising bismuth chloride oxide, with a pigment size of approximately 180 pm ISO 13320: 2020-01, which has at least one coating made of a metal oxide, an iron (III) oxide, the multilayer composite body 10 'having a total thickness of about 4 mm, the surface having an AL* value of about -65 measured over a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multilayer composite body 10 of the laminate is designed such that the first layer 1 has at least one cover layer 5 with a thickness of approximately 2 to 60 ⁇ m, preferably 5 to 30 ⁇ m.
  • the cover layer 5 has a thickness of approximately 15 ⁇ m.
  • the cover layer 5 of the multilayer composite body 10 of the laminate is designed such that it comprises at least one acrylic polymer and has a transmittance of approximately 72 measured according to DIN EN ISO 13468 -2:2006 - 07 for visible light over its thickness.
  • the connecting layer 6 between the multi-layer composite body 10 and the multi-layer composite body 10 'of the laminate is designed as an adhesive layer and fixes the multi-layer composite bodies 10, 10' into a laminate.
  • the connecting layer 6 has at least one reactive hot melt adhesive based on polyurethane (PUR) with an application amount of approximately 30 to 150 g/m 2 , preferably 40 to 80 g/m 2 . In this exemplary embodiment with an application quantity of approximately 50 g/m 2 .
  • PUR polyurethane
  • the multilayer composite body 10, 10 ' comprising a first layer 1, 1', made of at least one polymeric material, the first layer 1, 1' having a transmittance of at least 80% over its thickness for visible light measured according to DIN EN ISO 13468-2 :2006-07, a second layer 2,2' made of at least one polymeric material containing pigments and/or dyes, optionally light stabilizers, the material of the second layer 2,2' being at least 0.1 to 8% by weight, preferably 0.1 to 5% by weight, based on the total weight, of layered silicates, in particular pearlescent pigments comprising mica, mica, aluminum oxide, silicon oxide, calcium aluminum borosilicates, bismuth chloride oxide, and mixtures of these, with a pigment size of about 1 pm to 300 pm, preferably 5 pm to 200 pm according to ISO 13320:2020-01, which has at least one coating made of at least one metal oxide, preferably titanium
  • the multilayer composite body 10 of the laminate is designed such that the material of the second layer 2 has approximately 4% by weight, based on the total weight, of layered silicate, in particular pearlescent pigments comprising mica, with a pigment size of approximately 120 pm according to ISO 13320 : 2020-01, which has at least one coating made of a metal oxide, a tin oxide, the multilayer composite body 10 having a total thickness of approximately 5 mm, the surface having an AL* value of approximately -75 measured via a multi-angle measurement according to DIN 5033-7: 2014-10 between -15° and 110°.
  • the multilayer composite body 10' of the laminate is designed such that the material of the second layer 2' contains approximately 4% by weight, based on the total weight, of layered silicate, in particular pearlescent pigments comprising bismuth chloride oxide, with a pigment size of approximately 180 pm ISO 13320: 2020-01, which has at least one coating of a metal oxide, an iron (III) oxide, the multilayer composite body 10 'having a total thickness of about 4 mm, the surface has an AL* value of at least -65 measured via a multi-angle measurement according to DIN 5033-7:2014-10 between -15° and 110°.
  • the multilayer composite body 10 of the laminate is designed such that the first layer 1 has at least one cover layer 5 with a thickness of approximately 2 to 60 ⁇ m, preferably 5 to 30 ⁇ m.
  • the cover layer 5 of the multilayer composite body 10 has a thickness of approximately 15 ⁇ m.
  • the cover layer 5 of the multilayer composite body 10 of the laminate is designed such that it comprises at least one acrylic polymer and has a transmittance of approximately 72 measured according to DIN EN ISO 13468-2:2006-07 for visible light over its thickness.
  • the multilayer composite body 10,10' of the laminate is further designed such that at least one third layer 3,3' is arranged on the side of the second layer 2,2' opposite the first layer 1,T
  • the layer 3 of the multilayer composite body 10 of the laminate comprises at least one styrene polymer, in particular a styrene copolymer, preferably a styrene-acrylonitrile (SAN).
  • SAN styrene-acrylonitrile
  • the third layer 3 of the multilayer composite body 10 of the laminate is designed such that it has at least one acrylonitrile-butadiene-styrene copolymer (ABS).
  • ABS acrylonitrile-butadiene-styrene copolymer
  • the layer 3' of the multilayer composite body 10' of the laminate has a blend of acrylonitrile-butadiene-styrene copolymer (ABS) with a proportion of approximately 10 to 90% by weight of styrene-acrylonitrile (SAN), preferably 20 to 80% by weight.
  • ABS acrylonitrile-butadiene-styrene copolymer
  • SAN styrene-acrylonitrile
  • SAN Styrene acrylonitrile
  • the third layer 3' of the multilayer composite body 10' of the laminate has a proportion of approximately 45% by weight of styrene-acrylonitrile.
  • the material of the respective composite body 10,10' of the laminate has a processing shrinkage of approximately 0.3 to 0.7% measured according to DIN EN ISO 294-4:2019-04.
  • the material of the composite body 10 of the laminate has a processing shrinkage of approximately 0.38% and the material of the composite body 10' of the laminate has a processing shrinkage of approximately 0.41%, both measured according to DIN EN ISO 294-4:2019-04 on.
  • the connecting layer 6 between the multi-layer composite body 10 and the multi-layer composite body 10 ' is designed as an adhesive layer and fixes the multi-layer composite bodies 10, 10' into a laminate.
  • the connecting layer 6 has at least one reactive hot melt adhesive based on polyurethane (PUR) with an application amount of approximately 30 to 150 g/m 2 , preferably 40 to 80 g/m 2 .
  • the application amount of the connecting layer 6, which is designed as a reactive hot-melt adhesive based on polyurethane (PU R) is approximately 45 g/m 2 .

Landscapes

  • Laminated Bodies (AREA)

Abstract

L'invention se rapporte à un corps composite multicouche, comprenant une première couche constituée d'au moins un matériau polymère, ladite première couche ayant une transmittance pour la lumière visible d'au moins 80 %, mesurée selon la norme DIN EN ISO 13468-2:2006-07, sur l'épaisseur de la première couche, et une seconde couche constituée d'au moins un matériau polymère, contenant des pigments et/ou des colorants, éventuellement des agents de stabilité à la lumière, le matériau de la seconde couche ayant au moins 0,1 à 8 % en poids, de préférence 0,1 à 5 % en poids, par rapport au poids total, de phyllosilicates, en particulier des pigments nacrés comprenant le mica, l'oxyde d'aluminium, l'oxyde de silicium, les borosilicates de calcium et d'aluminium, l'oxychlorure de bismuth et les mélanges de ces derniers, avec une taille de pigment comprise entre 1 µm et 300 µm, de préférence comprise entre 5 µm et 200 µm, selon la norme ISO 13320: 2020-01, ayant au moins un revêtement constitué d'au moins un oxyde métallique, de préférence de titane et/ou de fer (III) et/ou de plomb et/ou d'oxyde de zirconium, et d'oxydes mixtes de ces derniers. Le corps composite multicouche a une épaisseur totale d'environ 0,3 à 8 mm, de préférence de 0,5 à 5 mm, et la surface a une valeur ΔL* d'au moins -30, de préférence d'au moins -50, de manière particulièrement préférée d'au moins -70, mesurée par l'intermédiaire d'un procédé de mesure multi-angle entre -15 ° et 110 ° selon la norme DIN 5033-7:2014-10. L'invention se rapporte en outre à un panneau de meuble et à un stratifié comprenant au moins un corps composite multicouche.
PCT/EP2023/055264 2022-03-15 2023-03-02 Corps composite multicouche WO2023174699A1 (fr)

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DE202022101371.3U DE202022101371U1 (de) 2022-03-15 2022-03-15 Mehrschichtiger Verbundkörper

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