WO2002038882A1 - Plaque a nervures coloree en polycarbonate ayant un meilleur comportement ignifuge - Google Patents

Plaque a nervures coloree en polycarbonate ayant un meilleur comportement ignifuge Download PDF

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Publication number
WO2002038882A1
WO2002038882A1 PCT/EP2001/012627 EP0112627W WO0238882A1 WO 2002038882 A1 WO2002038882 A1 WO 2002038882A1 EP 0112627 W EP0112627 W EP 0112627W WO 0238882 A1 WO0238882 A1 WO 0238882A1
Authority
WO
WIPO (PCT)
Prior art keywords
polycarbonate
thickness
double
pigment
wall plate
Prior art date
Application number
PCT/EP2001/012627
Other languages
German (de)
English (en)
Inventor
Martin Berkenkopf
Original Assignee
Makroform 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 Makroform Gmbh filed Critical Makroform Gmbh
Priority to EP01982453A priority Critical patent/EP1336014A1/fr
Priority to AU2002214036A priority patent/AU2002214036A1/en
Publication of WO2002038882A1 publication Critical patent/WO2002038882A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/54—Slab-like translucent elements
    • E04C2/543—Hollow multi-walled panels with integrated webs

Definitions

  • Colored multi-wall sheet made of polycarbonate with improved fire protection behavior made of polycarbonate with improved fire protection behavior
  • the invention relates to a colored multi-wall sheet made of polycarbonate with improved fire protection behavior in relation to the requirements for the building material class Bl
  • EP-A 0 548 822 describes translucent, IR-reflecting bodies with sun protection and thermal insulation effect, such as plates, multi-wall sheets or domelights, which are made of a stiff, amorphous base material made of translucent plastic, such as e.g. Polycarbonate can exist and are provided with a translucent coating material, with a content of 20 to 40 wt .-% of red and IR reflecting particles, which consist of a 60 to 120 nm thick layer of titanium dioxide on a platelet-shaped carrier pigment.
  • the coating layer with the so-called pearlescent pigments can be applied by coextrusion or by coatings such as painting or by reverse roll coating.
  • co-extruded layer contains mica platelets coated with TiO 2 . It is a so-called pearlescent pigment.
  • the coextruded pigment layer contains a further coextruded layer
  • EP-A 0 130 576 and EP-A 450 478 describe colorants which are suitable for acrylic glasses and which, inter alia, Powdery inorganic pigments can be.
  • Multi-wall sheets made of polycarbonate pass the Bl fire test, even with thicknesses of more than 10 mm.
  • the powdery inorganic pigments distributed in the mass have a negative effect on the fire behavior from a plate thickness or thickness of more than 10 mm. It was therefore seen as a task to provide colored multi-wall or multi-wall sheets made of polycarbonate with a thickness of more than 10 mm, which meet the requirements for the Bl fire test.
  • the object is achieved by a double-wall sheet or multiple-sheet multi-sheet made of polycarbonate with a thickness of more than 10 mm with at least one additional layer of polycarbonate with a thickness of 5 to 150 ⁇ m applied to a belt surface, characterized in that it contains a powdery, inorganic color pigment, is contained in a concentration of 5 to 70 wt .-%.
  • the invention further relates to the use of a powdery inorganic pigment in a concentration of 5 to 70% by weight in an additional layer of polycarbonate with a thickness of 5 to 150 ⁇ m on the belt surface of a double-walled or multi-layered plate made of polycarbonate with a thickness of more than 10 mm as an agent that improves fire protection behavior, ie an agent that mediates the passing of the Bl fire test.
  • the invention relates to double-wall sheets or multi-wall sheets with a thickness of more than 10 mm.
  • Such plates made of polycarbonate but also from other plastics are well known and are manufactured by means of extrusion. They consist of the top and bottom belts, which are spaced from a large number of mostly parallel webs at a given distance, in the present case in the range of 10 mm or more, and have corresponding, mostly rectangular cavities.
  • Double-skin sheets have an upper chord and a lower chord as well as the bars in between.
  • multi-wall panels have further internal straps (intermediate chords) that usually run parallel to the upper chord and lower chord. According to the number of straps one speaks of z. B. of triple or quadruple-walled panels etc.
  • intermediate chords internal straps
  • Double-skin sheets or multi-skin sheets with rectangular geometries are available also corresponding plates with sloping straps, the z. B. also be called truss panels.
  • Double-wall sheets or multiple-sheet sheets according to the present invention have a thickness of more than 10 mm, preferably 12 to 40, particularly preferably 15 to
  • the thickness is the distance between the webs plus the height of the upper and lower chord and any existing intermediate chords. One can also speak of the total thickness or plate height.
  • Usual basis weights are in the range of more than 2 kg / m 2 , preferably 2.1 to
  • Usual dimensions of the upper and lower chord are in the range from 0.5 to 4, particularly preferably 0.6 to 1.5 mm.
  • the webs and any existing intermediate straps are usually significantly thinner, e.g. B. 0.1 to 1.5 mm.
  • Usual plate widths which are determined by the width of the extrusion die, are between 100 and 3000 mm.
  • Usual plate lengths are in the range from 500 mm to 10000 mm.
  • Polycarbonate is well known as a thermoplastically processable plastic.
  • the polycarbonate plastics are predominantly aromatic polycarbonates based on bisphenols, especially bisphenol A.
  • the method of applying additional layers e.g. B. made of polycarbonate, on one or both surfaces of the upper or lower belts is also well known (see, for example, EP-A 368 094, EP-A 372 213, EP-A 0 548 822).
  • the coating layer can contain, for example, UV absorbers or pearlescent pigments and can be applied by coextrusion or by lacquering or by reverse roll coating.
  • the base molding to be coated itself should contain as little or as little inorganic pigment as possible, for example 0 to 0.1% by weight, 0 to 0.01% by weight.
  • polycarbonate is best used as a binder for the powdery inorganic pigment. Coextrusion is preferred.
  • the pigment can be mixed in a manner known per se (see, for example, EP-A 110 238) with a polycarbonate melt in a first extruder and then in a coextrusion die onto a polycarbonate melt layer from a second extruder, which layer underneath
  • Web plate forms to be put on. It is preferable to choose a polycarbonate molding composition which is more free-flowing than that of the base plate material. This allows the increase in viscosity to be compensated for by the pigment introduced.
  • the additional layer of polycarbonate has a thickness in the range from 5 to 150 ⁇ m. Painted layers in which pigment and polycarbonate are applied together in a solvent are somewhat thinner after evaporation of the solvent, usually in the range of 5 to 30 ⁇ m. Coextruded layers are in the range from 20 to 120 ⁇ m, preferably in the range from 25 to 50 ⁇ m, in particular 50 to 100 ⁇ m.
  • the plates can also be provided with corresponding coextrusion layers on both sides, but as a rule one layer is sufficient to obtain the desired color impression, corresponding to a plate colored in the mass.
  • Powdery inorganic pigments are e.g. B. from EP-A 0 130 576 and EP-A 450 478 known for coloring acrylic glasses and are also suitable for polycarbonate.
  • Examples include chrome yellow, iron oxide pigments, cadnium oxide pigments, chromium oxide pigments, bronzes, etc.
  • Red pigments include cadnium sulfide / selenide. Brown colorations can be adjusted using a mixture of TiO 2 , cadnium selenide, ⁇ -phthalocyanine blue and iron oxide rate, for example in an approximate weight ratio of 150: 43: 10: 39 (analogously to. Example 6 of EP-A 0 130 576).
  • White pigments are preferably used.
  • White pigments can be, for example, titanium dioxide, zinc oxide, zinc sulfide, lead carbonate, basic lead sulfate, antimony oxide, barium sulfate or mixtures thereof. Titanium dioxide in the rutile modification and barium sulfate are preferably used (cf. Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 17, pages 801 to 814, 3rd edition, John Wiley & Sons, New York, 1982). Particularly preferred as the white pigment is TiO 2 and or BaSO 4 , especially in a mixture, e.g. B. in a mixing ratio of 2: 1 to 1: 2.
  • the pigment concentration in the coating layer should be sufficient to produce a color impression similar to that of a mass-colored material, e.g. to provide a corresponding degree of transmission or a corresponding light scattering effect. As a rule, this is the case with a pigment concentration of 5 to 60% by weight, preferably 10 to 30% by weight.
  • the transmission (according to DIN 67 507 tau d65) is advantageously in the range from 20 to 70, preferably 40 to 60%.
  • Pearlescent pigments in which a pigment is applied to a platelet-shaped carrier pigment, for example mica, e.g. B. IR-reflecting pearlescent pigments are obviously unsuitable for the purposes of the invention, since they do not impart the desired fire behavior.
  • Example 1 Double-wall sheet (SDP) made of polycarbonate, thickness 10 mm, colorless.
  • Example 2 Double-wall sheet (SDP) made of polycarbonate, thickness 10 mm, colored white with TiO 2 BaSO 4 so that its transmission T is about 50% (measured according to DIN 67 507 (tau d65)).
  • Example 3 Triple-wall sheet (S3P) made of polycarbonate, thickness 16 mm, colorless.
  • Example 4 Triple-wall sheet (S3P) made of polycarbonate, thickness 16 mm, colored white with TiO / BaSO so that its transmission T is about 50% (measured according to DIN 67 507 (tau d65)).
  • Example 5 4-gang multi-wall sheet (S4P) made of polycarbonate, thickness 25 mm, colorless.
  • Example 6 Four-ply multi-wall sheet (S4P) made of polycarbonate, thickness 25 mm, colored white with TiO 2 / BaSO 4 so that its transmission T is about 50% (measured according to DIN 67 507 (tau d65)).
  • Example 7 Four-ply multi-wall sheet (S4P) made of polycarbonate, 25 mm thick, with a coextruded top layer (about 80 ⁇ m) made of polycarbonate, containing about 25% by weight of TiO 2 / BaSO 4 (the transmission T is about 50% (measured according to DIN 67 507 (tau d65)).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne une plaque à nervures bicouche ou une plaque à nervures multicouche en polycarbonate, présentant une épaisseur supérieure à 10 mm, et comportant au moins une couche supplémentaire de polycarbonate appliquée sur une surface de membrure, ladite couche présentant une épaisseur de 5 à 150 µm. La plaque à nervures selon l'invention est caractérisée en ce qu'elle contient un pigment colorant inorganique pulvérulent dans une concentration de 5 à 70 % en poids.
PCT/EP2001/012627 2000-11-07 2001-10-31 Plaque a nervures coloree en polycarbonate ayant un meilleur comportement ignifuge WO2002038882A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01982453A EP1336014A1 (fr) 2000-11-07 2001-10-31 Plaque a nervures coloree en polycarbonate ayant un meilleur comportement ignifuge
AU2002214036A AU2002214036A1 (en) 2000-11-07 2001-10-31 Coloured ribbed plate made of polycarbonate with improved fire protection resistance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000155186 DE10055186A1 (de) 2000-11-07 2000-11-07 Eingefärbte Stegplatte aus Polycarbonat mit verbessertem Brandschutzverhalten
DE10055186.6 2000-11-07

Publications (1)

Publication Number Publication Date
WO2002038882A1 true WO2002038882A1 (fr) 2002-05-16

Family

ID=7662461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/012627 WO2002038882A1 (fr) 2000-11-07 2001-10-31 Plaque a nervures coloree en polycarbonate ayant un meilleur comportement ignifuge

Country Status (4)

Country Link
EP (1) EP1336014A1 (fr)
AU (1) AU2002214036A1 (fr)
DE (1) DE10055186A1 (fr)
WO (1) WO2002038882A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8092901B2 (en) 2001-12-10 2012-01-10 Bayer Materialscience Ag Multi-layer weather-resistant, coloured panel
US8889248B2 (en) 2008-10-31 2014-11-18 Sabic Global Technologies B.V. Multiwall sheet, an article, a method of making a multiwall sheet

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110238A2 (fr) 1982-12-04 1984-06-13 Röhm Gmbh Procédé pour produire un panneau creux multicouche en matière synthétique
EP0130576A2 (fr) 1983-07-02 1985-01-09 Röhm Gmbh Concentres de colorants contenant comme agent liant des résines acryliques
EP0368094A1 (fr) 1988-11-05 1990-05-16 Röhm Gmbh Couche protectrice résistante aux chocs, à base de méthacrylate sur polycarbonate, contenant un absorbeur UV
EP0372213A1 (fr) 1988-11-05 1990-06-13 Röhm Gmbh Couche protectrice à base de méthacrylate sur polycarbonate, contenant un absorbeur UV
EP0450478A2 (fr) 1990-04-05 1991-10-09 Röhm GmbH Verre acrylique coloré avec des pigments organiques
EP0548822A2 (fr) 1991-12-21 1993-06-30 Röhm Gmbh Matériau réfléchissant les rayons infra-rouge
EP0595187A1 (fr) * 1992-10-26 1994-05-04 Idemitsu Petrochemical Co. Ltd. Composition de résine de polycarbonate
EP0599208A1 (fr) 1992-11-25 1994-06-01 Röhm GmbH Feuille au plaque protegée contre le rayonnement UV, avec une couche de revêtement absorbant l'UV
EP0657280A1 (fr) * 1993-12-09 1995-06-14 Kaysersberg Packaging Procédé de fabrication d'une plaque à base de polycarbonate, destinée à la fabrication de bâtiment, notamment de serre
EP0774551A1 (fr) * 1995-11-16 1997-05-21 Polygal Panneau en plastique

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110238A2 (fr) 1982-12-04 1984-06-13 Röhm Gmbh Procédé pour produire un panneau creux multicouche en matière synthétique
EP0130576A2 (fr) 1983-07-02 1985-01-09 Röhm Gmbh Concentres de colorants contenant comme agent liant des résines acryliques
EP0368094A1 (fr) 1988-11-05 1990-05-16 Röhm Gmbh Couche protectrice résistante aux chocs, à base de méthacrylate sur polycarbonate, contenant un absorbeur UV
EP0372213A1 (fr) 1988-11-05 1990-06-13 Röhm Gmbh Couche protectrice à base de méthacrylate sur polycarbonate, contenant un absorbeur UV
EP0450478A2 (fr) 1990-04-05 1991-10-09 Röhm GmbH Verre acrylique coloré avec des pigments organiques
EP0548822A2 (fr) 1991-12-21 1993-06-30 Röhm Gmbh Matériau réfléchissant les rayons infra-rouge
EP0595187A1 (fr) * 1992-10-26 1994-05-04 Idemitsu Petrochemical Co. Ltd. Composition de résine de polycarbonate
EP0599208A1 (fr) 1992-11-25 1994-06-01 Röhm GmbH Feuille au plaque protegée contre le rayonnement UV, avec une couche de revêtement absorbant l'UV
EP0657280A1 (fr) * 1993-12-09 1995-06-14 Kaysersberg Packaging Procédé de fabrication d'une plaque à base de polycarbonate, destinée à la fabrication de bâtiment, notamment de serre
EP0774551A1 (fr) * 1995-11-16 1997-05-21 Polygal Panneau en plastique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1336014A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8092901B2 (en) 2001-12-10 2012-01-10 Bayer Materialscience Ag Multi-layer weather-resistant, coloured panel
US8889248B2 (en) 2008-10-31 2014-11-18 Sabic Global Technologies B.V. Multiwall sheet, an article, a method of making a multiwall sheet

Also Published As

Publication number Publication date
EP1336014A1 (fr) 2003-08-20
DE10055186A1 (de) 2002-05-08
AU2002214036A1 (en) 2002-05-21

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