EP2571687A1 - Matière à mouler ou système d'enduction (sans pmma) à propriétés de réflexion des infrarouges, en combinaison avec une couche de finition ou un film contenant du pmma - Google Patents

Matière à mouler ou système d'enduction (sans pmma) à propriétés de réflexion des infrarouges, en combinaison avec une couche de finition ou un film contenant du pmma

Info

Publication number
EP2571687A1
EP2571687A1 EP11716555A EP11716555A EP2571687A1 EP 2571687 A1 EP2571687 A1 EP 2571687A1 EP 11716555 A EP11716555 A EP 11716555A EP 11716555 A EP11716555 A EP 11716555A EP 2571687 A1 EP2571687 A1 EP 2571687A1
Authority
EP
European Patent Office
Prior art keywords
layer
plastic
plastic molding
pmma
inorganic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11716555A
Other languages
German (de)
English (en)
Inventor
Elisabeth Clamer
Michael Enders
Achim NEUHÄUSER
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.)
Evonik Roehm GmbH
Original Assignee
Evonik Roehm GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evonik Roehm GmbH filed Critical Evonik Roehm GmbH
Publication of EP2571687A1 publication Critical patent/EP2571687A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • 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
    • 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
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B27/00—Layered products comprising a layer of synthetic resin
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • 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
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    • B32B2274/00—Thermoplastic elastomer material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • 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
    • B32B2307/416—Reflective
    • 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
    • B32B2307/712—Weather resistant
    • 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
    • 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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • 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
    • 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
    • B32B2607/00—Walls, panels
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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]
    • Y10T428/31507—Of polycarbonate
    • 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]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • 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
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Definitions

  • Molding compound or coating system (PMMA-free) with IR-selecting properties in combination with a
  • the invention relates to covered colored,
  • Infrared-reflecting molded body which can serve as an IR barrier layer and can be used, for example, in the construction industry or in automotive, for example as a vehicle roof module with heat-protective properties.
  • Main component or carrier layer of partially different plastics are plastics. These plastics, such as. As PVC, polystyrene, polycarbonate, ABS and ASA, have other important properties such as impact resistance and / or
  • Automotive applications such as roof modules, exterior and interior covers (screens), spoilers and mirror housings;
  • Household and sports applications such as tool covers, outdoor panels for boats and ski films.
  • the problem with these colored coextruded or back-injected articles, however, is that they are often IR-absorbent and thus For example, a vehicle interior easily heats up by such a roof module.
  • Plastic moldings made of, for example, polyvinyl chloride (PVC) use.
  • the coated plastic molded body is then provided with a colorant such as T1O 2 , which is at the boundary layer of the two
  • Plastic mold reflects the IR radiation and thus prevents excessive heating of the object.
  • PVC coatings against exposure to sunlight by a permanently applied to the PVC layer layer which is equipped with both UV stabilizers and IR reflectors.
  • IR reflectors bleach chromate, molybdate red, molybdate orange, chromium oxide green, antimony sulfide, cadmium sulfoselenide, cadmium sulfide,
  • Anthrachinonschwarzpigment anthraquinone dark blue pigment, monoazo pigment or phthalocyanines used. Some of these pigments are no longer allowed today.
  • As the material for the cover layer an unspecified PMMA is described.
  • DE 26 05 325 also describes a method for the protection of PVC surfaces, the applied protective layer is s covering color, that in the IR region as high a reflection as possible and in the UV range as low as possible
  • Permeability is achieved.
  • the goal is through the Use of at least one IR-reflecting black or color pigment achieved.
  • For the darker color pigments are not predominantly IR-absorbing pigments
  • the pigment used in the examples is titanium dioxide or anthraquinone black in combination with a UV absorber.
  • WO 2009 097 205 is a coating composition with IR-reflecting nanoparticles and a thereto
  • WO 2008 097 895 or WO 2009 097 205 describes a three-layer automotive paint in which color pigments are contained in one layer and IR reflector pigments are contained in another layer. Both systems are not suitable for the production of covers or moldings. The aim of these applications is the provision of black paints, which heat up only diminished despite the dark color.
  • Color pigments and IR reflector pigments can be found in EP 18 173 75.
  • a similar system is described in DE 10 2007 061 052.
  • single-layer systems have the further disadvantage that the design freedom is severely limited, and that a sufficient heat resistance in combination with a good weather resistance is difficult to realize.
  • a multilayer, transparent system consisting of two PMMA layers with IR absorbers in a PMMA layer joined with a PU adhesive is additionally found in EP 20 323 60.
  • this system is colorless and thus less heat-permeable than correspondingly tinted, but therefore especially as vehicle glazing or roof glazing too translucent.
  • An analogous opaque, colored variant is not described.
  • pure PMMA systems can change at temperatures above 100 ° C, more precisely above 105 ° C. This can cause turbidity or deformation of the molded part. Especially at
  • ASA acrylonitrile-styrene-alkyl acrylate terpolymers
  • Molding compounds are only partially thermally stable in form and thus for particularly dark vehicle covers
  • EP 18 173 83 a single-layer system is described, which is a plastic molding, a
  • Lacquer layer a fiber material, a hydraulically setting mass such as concrete or a composite material.
  • the IR reflection can i.a. by adding reflective
  • EP 18 173 83 teaches how to purchase related parts in a vehicle interior, such as leather seats or fittings or even components such as
  • EP 18 173 83 does not teach as a visually appealing molding, e.g. as a roof module in a vehicle, is to manufacture. Moreover, this teaching is probably not sufficient to the high
  • Vehicle interior eg by a roof module to meet.
  • Object of the present invention was compared to the prior art at least equivalent, preferably darkened in their properties improved dark colored plastic moldings for outdoor applications to provide.
  • plastic moldings are intended for
  • the object was to provide dark colored plastic moldings available to minimize the heating of the plastic molding or a region that is, for example, from the perspective of sunlight behind the plastic molding.
  • Molding compounds are easy to process and in the
  • Plastic moldings having the following properties: a.
  • the plastic molding consists of at least two
  • the cover layer is a transparent plastic layer.
  • the carrier layer is a
  • Polymer layer which is particularly thermally stable up to at least 100 ° C.
  • An inorganic, IR-reflecting pigment which in a layer, which is not the
  • the plastics molding has a total solar reflectance (TSR) of at least 10%, preferably of at least 15% and particularly preferably of at least 20%.
  • TSR total solar reflectance
  • the cover layer of a transparent plastic may be a cover layer of polyamide (PA),
  • PVDF Polyvinyl fluoride
  • PVDF polyvinyl difluoride
  • Poly (meth) acrylates are known in the art. These polymers are generally obtained by free radical polymerization of mixtures containing (meth) acrylates.
  • the term (meth) acrylates include methacrylates and acrylates as well as mixtures of both.
  • Preferred poly (meth) acrylates are examples of poly (meth) acrylates.
  • the poly (meth) acrylate layer is particularly preferably a PMMA layer. It can be
  • PMMA component is the molding compound Plexiglas ® 7H. she is
  • cover layer can contain other polymers
  • Polyethers polyesters, polycarbonates and polyvinyl chlorides. These polymers can be used individually or as a mixture, wherein copolymers which are derivable from the aforementioned polymers, the molding compositions can be added. These include, in particular styrene-acrylonitrile polymers (SAN), which are preferably added to the molding compositions in an amount of up to 45 wt .-%.
  • SAN styrene-acrylonitrile polymers
  • Particularly preferred styrene-acrylonitrile polymers can be obtained by the polymerization of mixtures consisting of 70th to 92 wt .-% of styrene, 8 to 30 wt .-% acrylonitrile and 0 to 22 wt .-% of other comonomers, each based on the total weight of the monomers to be polymerized, consist.
  • Homo- and / or copolymers to be used according to the invention as matrix polymers can vary within wide limits, the molecular weight usually being based on the
  • the carrier layer is a layer of a thermoplastic polymer which is particularly heat-resistant to at least 100 ° C., preferably to at least 110 ° C.
  • Preferred thermoplastic polymers are
  • polyesters especially polyesters, polyamides, ASA, styrene-acrylonitrile (SAN), thermoplastic polyurethanes, polycarbonates,
  • ABS Acrylonitrile-butadiene-styrene terpolymer
  • the carrier layer may have a thickness between 15 ⁇ and 25 mm.
  • thermosets prepared on the basis of melamine, epoxy or phenol can also be used as
  • Carrier layer can be used.
  • the carrier layer contains at least one inorganic, IR-reflecting pigment.
  • the carrier layer contains at least one inorganic, IR-reflecting pigment.
  • Plastic moldings additionally a further layer.
  • This further layer is preferably an adhesive layer with a thickness of between 1 and 100 m.
  • the adhesive layer is located between the cover layer and the carrier layer.
  • the inorganic, IR-reflecting layer is present in the adhesive layer
  • the adhesive layer may be an adhesive system or an adhesion promoter system. In particular, you can
  • Butadiene and styrene-containing terpolymers, polyacrylates, epoxies or other adhesives or adhesion promoters may be used.
  • the choice of suitable adhesive will be apparent to those skilled in the art from the two substrates to be bonded, e.g. from the material of the carrier and the cover layer.
  • the layer which is provided with the inorganic, IR-reflecting pigment contains between 0.01 and 5.0% by weight, preferably between 0.05 and 3.0% by weight, and very particularly preferably between 0.1 and 2 , 0% by weight of this pigment.
  • This inorganic, IR-reflecting pigment is preferably a metal oxide having a particle size between 50 nm and 5.0 ⁇ , preferably between 100 nm and 3.0 ⁇ and more preferably between 200 nm and 2.5 ⁇ .
  • the "dark” property can be defined by the L * value according to DIN 6174
  • the inventive heat-resistant, IR radiation-reflecting plastic molding can in many
  • the shaped bodies are preferably used in facade, building roof,
  • the plastic moldings can be mounted either with the carrier layer or with the cover layer on the outside. With outside in this case the side is meant, that of the higher one
  • Irradiation load usually the higher
  • the outer side is the sunny side.
  • Plastic molding according to the invention also on a
  • Substrate can be applied. These substrates may be, for example, glass, concrete, masonry, wood or metal. In this case, an application is as an IR-reflecting surface coating, e.g. in the
  • Plastic moldings are also brought together with other plastics to plastic composite materials.
  • the plastic moldings using conventional methods such as back foaming, injection molding, lamination or
  • Gluing applied to the second plastic molded body Alternatively or additionally one can also on the
  • Plastic molding according to the invention by means of the listed methods at least one more
  • the colorants or colorant mixtures which are contained in one of the layers, preferably in the top layer, are used in addition to the variation and matching of the color.
  • These colorants can be both IR reflective, e.g. Titanium dioxide, as well as IR permeable.
  • the colorants may be organic dyes or other organic or inorganic pigments, or even mixtures thereof.
  • the proportion of these additional colorants may be between 0 and 3.0% by weight, preferably between 0 and 2.5% by weight and more preferably between 0 and 2.0% by weight, based on the matrix of the cover layer.
  • the production of the moldings can, for example
  • Topcoat are homogenized as dryblend and
  • the carrier layer depending on
  • Embodiment containing the IR-reflecting pigment containing produced is first provided by means of rollers with an adhesive layer and
  • all layers can be coextruded in one step - and depending on the imple mentation form be provided with an adhesive or adhesion promoter layer.
  • Plastic moldings are tested as follows. For this purpose, first of the colored and transparent moldings pressed platelets are produced in a thickness of 0.5 mm by means of a press. The individual press plates are pressed in the following to a 2-layer structure.
  • a extrusion tool for extruding the PLEXIGLAS ® standard molding compound is a extrusion tool according to Fig.l, consisting of press ring (1), displacement disc (4), and bottom (3) and
  • Cover disc (2) used with an inner diameter of the bottom disc of 50mm. Furthermore, two
  • the hot extrusion die is removed from the hot plates and placed in a hydraulic press. Here, the tool is immediately pressed with a pressure of 100 kN, so that a part of the melt from the upper chamber to the lower
  • a PMMA cover layer with a thickness of 750 ⁇ m is applied by re-pressing.
  • the cover layer used is PLEXIGLAS ® film 99524.
  • colorless plastic granules is the glare Cyrex ® EXP-310 Evonik Cyro LLC used.
  • Example 2 As colorless plastic granulate (standard molding material) is used Makroion ® 2607 from Bayer Material Science. This is mixed with 1% by weight of IR-reflecting pigment (Ferro PK 10204) and compounded with the aid of an extruder. The resulting colored plastic granulate becomes a round disc with 120 mm diameter and 4 mm thickness
  • PLEXIGLAS® 8N with 1% by weight IR-reflecting pigment (Ferro PK 10204) was pressed analogously to Examples 1 and 2. A second pressing with a PMMA cover layer was omitted here, so that a single-layer system was measured according to the prior art.
  • the heat deflection temperature (HDT) according to ISO 75 was determined on the samples and the total solar reflectance (TSR) according to AS TM E 903 was calculated based on optical measurements by means of photospectrometry (measured with a Varian Cary 5000) on the PMMA-coated one Page.

Landscapes

  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne des corps moulés teintés opaques, réfléchissant les infrarouges, qui peuvent servir de couche bloquant les infrarouges et peuvent être utilisés par exemple dans l'industrie du bâtiment ou en construction automobile, par exemple comme module de toit de véhicule ayant des propriétés d'isolation thermique.
EP11716555A 2010-05-20 2011-04-28 Matière à mouler ou système d'enduction (sans pmma) à propriétés de réflexion des infrarouges, en combinaison avec une couche de finition ou un film contenant du pmma Withdrawn EP2571687A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010029169 DE102010029169A1 (de) 2010-05-20 2010-05-20 Formmasse oder Beschichtungssystem (PMMA-frei) mit IR reflektierenden Eigenschaften in Kombination mit einer PMMA-haltigen Deckschicht oder Folie
PCT/EP2011/056691 WO2011144429A1 (fr) 2010-05-20 2011-04-28 Matière à mouler ou système d'enduction (sans pmma) à propriétés de réflexion des infrarouges, en combinaison avec une couche de finition ou un film contenant du pmma

Publications (1)

Publication Number Publication Date
EP2571687A1 true EP2571687A1 (fr) 2013-03-27

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EP11716555A Withdrawn EP2571687A1 (fr) 2010-05-20 2011-04-28 Matière à mouler ou système d'enduction (sans pmma) à propriétés de réflexion des infrarouges, en combinaison avec une couche de finition ou un film contenant du pmma

Country Status (13)

Country Link
US (1) US20130011662A1 (fr)
EP (1) EP2571687A1 (fr)
JP (1) JP2013532076A (fr)
KR (1) KR20130093509A (fr)
CN (1) CN102844184A (fr)
BR (1) BR112012029426A2 (fr)
CA (1) CA2799828A1 (fr)
DE (1) DE102010029169A1 (fr)
MX (1) MX2012013016A (fr)
RU (1) RU2012155045A (fr)
SG (1) SG184788A1 (fr)
TW (1) TW201213118A (fr)
WO (1) WO2011144429A1 (fr)

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EP2935436B1 (fr) 2012-12-20 2019-01-30 Covestro Deutschland AG Matières de moulage en polycarbonate pigmentée de façon opaque contenant des pigments réflectant l'ir
KR101534412B1 (ko) * 2013-11-29 2015-07-07 노틸러스효성 주식회사 매체 처리 장치
CA3039666C (fr) * 2016-10-28 2022-08-23 Ppg Industries Ohio, Inc. Revetements d'augmentation des distances de detection proche infrarouge
WO2018091558A1 (fr) 2016-11-17 2018-05-24 Covestro Deutschland Ag Corps multicouche opaque en polycarbonate pour la gestion de la chaleur
EP3541621B1 (fr) 2016-11-17 2020-10-07 Covestro Intellectual Property GmbH & Co. KG Corps multicouches transparent pour la gestion thermique
CN108773093A (zh) * 2018-05-17 2018-11-09 芜湖创科新材料科技有限公司 一种粘结性好的复合装饰膜制备工艺
KR20210087991A (ko) 2018-11-13 2021-07-13 피피지 인더스트리즈 오하이오 인코포레이티드 은닉 패턴을 검출하는 방법
US11561329B2 (en) 2019-01-07 2023-01-24 Ppg Industries Ohio, Inc. Near infrared control coating, articles formed therefrom, and methods of making the same
CN114286750B (zh) * 2019-08-30 2023-12-08 匹兹堡玻璃工厂有限责任公司 Adas照相机系统的汽车玻璃窗
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Publication number Publication date
MX2012013016A (es) 2013-01-22
JP2013532076A (ja) 2013-08-15
CA2799828A1 (fr) 2011-11-24
US20130011662A1 (en) 2013-01-10
DE102010029169A1 (de) 2011-11-24
TW201213118A (en) 2012-04-01
CN102844184A (zh) 2012-12-26
BR112012029426A2 (pt) 2017-02-21
WO2011144429A1 (fr) 2011-11-24
SG184788A1 (en) 2012-11-29
KR20130093509A (ko) 2013-08-22
RU2012155045A (ru) 2014-06-27

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