EP0920470B1 - Mehrschichtiges, flächiges formteil mit einer sichtseite und einer tragschicht - Google Patents

Mehrschichtiges, flächiges formteil mit einer sichtseite und einer tragschicht Download PDF

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Publication number
EP0920470B1
EP0920470B1 EP97938884A EP97938884A EP0920470B1 EP 0920470 B1 EP0920470 B1 EP 0920470B1 EP 97938884 A EP97938884 A EP 97938884A EP 97938884 A EP97938884 A EP 97938884A EP 0920470 B1 EP0920470 B1 EP 0920470B1
Authority
EP
European Patent Office
Prior art keywords
mixture
visible side
layer
moulding
polyether
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.)
Expired - Lifetime
Application number
EP97938884A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0920470A1 (de
Inventor
Heinz Hausmann
Joachim Petzoldt
Reinhold Dederichs
Elke Springer
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of EP0920470A1 publication Critical patent/EP0920470A1/de
Application granted granted Critical
Publication of EP0920470B1 publication Critical patent/EP0920470B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/542—No clear coat specified the two layers being cured or baked together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31554—Next to second layer of polyamidoester

Definitions

  • the present invention relates to a multi-layer, flat molded part a visible side and a base course, in particular in the form of sanitary facilities like bathtubs or shower trays.
  • multilayered, flat molded parts as inner and outer cladding e.g. of caravans, used in boat building and the like.
  • Lacquer polyisocyanates containing allophanate or isocyanurate groups are also suitable based on isophorone diisocyanate (IPDI) containing isocyanate groups from 10 to 25% by weight and containing monomeric diisocyanates less than 0.5% by weight.
  • IPDI isophorone diisocyanate
  • IPDI isocyanurate groups containing polyisocyanates
  • EP-A-0 003 765, -0 017 998 or - 0 193 828 is described, for example, in EP-A-0 003 765, -0 017 998 or - 0 193 828 or described in DE-OSes 19 34 763 and 26 44 684.
  • Lacquer polyisocyanates are preferably used, which between 10 and Contain 60% by weight of a biuret based on 1,6-diisocyanatohexane.
  • the Mixture of lacquer polyisocyanates to be used according to the invention has a viscosity of 100 to 10,000, particularly preferably from 200 to 5,000 mPas.
  • Suitable are the known polyhydroxyl compounds of polyester and Polyether type.
  • polyester polyols can be reacted in a manner known per se of polyhydric alcohols with insufficient amounts of polyhydric Carboxylic acids, corresponding carboxylic anhydrides, corresponding polycarboxylic esters of lower alcohols or lactones.
  • Suitable polyhydric alcohols for the preparation of these polyester polyols are in particular those of the molecular weight range 62 to 400, such as.
  • the acids or acid derivatives used to produce the polyester polyols can be aliphatic, cycloaliphatic and / or heteroaromatic in nature and optionally, e.g. B. by halogen atoms, substituted and / or unsaturated his.
  • suitable acids are, for example, polyvalent carboxylic acids of the molecular weight range 118 to 300 or their derivatives, such as Succinic acid, adipic acid, sebacic acid, phthalic acid, isophthalic acid, trimellitic acid, Phthalic anhydride, tetrahydrophthalic acid, maleic acid, maleic anhydride, dimeric and trimeric fatty acids, dimethyl terephthalate and Terephthalic acid bis-glycol ester.
  • polyester polyols are those known per se Way from lactones and simple polyhydric alcohols, such as. B. the above exemplified, can be produced as starter molecules with ring opening.
  • Suitable Lactones for the production of these polyester polyols are, for example, ⁇ -propiolactone, ⁇ -butyrolactone, ⁇ - and ⁇ -valerolactone, ⁇ -caprolactone, 3,5,5- and 3,3,5-trimethylcaprolactone or any mixture of such lactones.
  • the preparation is generally carried out in the presence of catalysts, such as, for example Lewis or Brönstedt acids, organic tin or titanium compounds, at temperatures of 20 to 200 ° C, preferably 50 to 160 ° C.
  • catalysts such as, for example Lewis or Brönstedt acids, organic tin or titanium compounds
  • the polyether polyols can be alkoxylated in a manner known per se produce suitable starter molecules.
  • suitable starter molecules for the production of these polyether polyols can be any polyhydric alcohols, for example those in the molecular weight range 62 to 400, as described above in the production of polyester polyols have been described, are used as starter molecules.
  • Alkylene oxides suitable for the alkoxylation reaction are, in particular, ethylene oxide and propylene oxide added in any order or in a mixture the alkoxylation reaction can be used.
  • the alkylene oxide units of the polyether polyols preferably consist of at least 80%, but particularly preferably exclusively, from propylene oxide units.
  • the mixture for producing the visible side can, in addition to the two-component mentioned Binding agents common in coating technology and Contain additives c1), such as fillers, pigments, curing catalysts, UV protection agents, antioxidants, microbicides, algicides, water scavengers, Thixotropy carriers, wetting agents, flow control agents, matting agents, anti-slip agents, Deaerator or extender.
  • additives c1) such as fillers, pigments, curing catalysts, UV protection agents, antioxidants, microbicides, algicides, water scavengers, Thixotropy carriers, wetting agents, flow control agents, matting agents, anti-slip agents, Deaerator or extender.
  • the auxiliaries and additives c1) are depending on the requirements of the application of the coating solving problems and their compatibility mixed into the a1) and b1) components.
  • Suitable fillers are, for example, heavy spar, talc, stone or plastic granules, Glass balls, sand or cork, possibly in amounts of up to to 200 wt .-%, based on that consisting of the individual components a1) and b1) Binder mixture can be used.
  • Suitable pigments are, for example, heavy spar, talc, titanium dioxide, zinc oxide, Iron oxides, chromium oxides or soot.
  • a detailed overview of Pigments for paints are given in the "Textbook of paints and coatings, Volume II, Pigments, Fillers, Dyes ", Kittel, publisher W.A. Colomb in the Heenemann GmbH, Berlin-Oberschwandorf, 1974, pp. 17-265.
  • the exemplary the pigments mentioned if at all, in amounts of up to 100% by weight, based on the binder mixture consisting of the individual components a1) and b1), be used.
  • Catalysts from polyurethane chemistry per se can also be used known type may be included. These include, for example, the well-known lead or bismuth compounds, preferably those known in this connection Tin compounds and tertiary amines, such as those found in "Plastic Handbuch 7, Polyurethane "Carl-Hanser-Verlag, Kunststoff - Vienna, 1984, pp. 97-98, are described in more detail. Such catalysts can, if at all, in Quantities of up to 2% by weight, based on the weight of the individual components a1) and b1) existing binder can be used.
  • auxiliaries and additives that may be used are, for example UV protection agents, antioxidants, microbicides, algicides, water scavengers, thixotropy carriers, Wetting agents, leveling agents, matting agents, anti-slip agents, deaerating agents or extenders.
  • auxiliaries and additives are for example in "Textbook of paints and coatings, volume III., Solvents, plasticizers, Additives, intermediate products ", H. Kittel, publisher W.A. Colomb in the Heenemann GmbH, Berlin-Oberschwandorf, 1976, pp. 237-398.
  • the first mixture forming the visible side is as possible has low solvent content, since otherwise with a greater layer thickness and especially after application of the second mixture forming the base layer Bubbles may appear during curing. Small amounts of solvent but can pigment wetting when using pigments and fillers promote.
  • the components a1) and b1) are in such a ratio according to usual methods of polyurethane chemistry mixed that the index 90 to Is 130.
  • polyether polyols with an OH number are used from 250 to 400, preferably a mixture of polyether polyols, the mixture having an average OH number of 250 to 400.
  • the polyether polyol preferably consists of a component with an OH number from 350 to 550 and a second component with an OH number of 30 to 50.
  • the isocyanate component is based in the form of a semi-prepolymer Diphenylmethane-4,4'-diisocyanate (MDI) and polyether polyols with an NCO content from 20 to 30 wt .-% used. Furthermore, the second mixture in minor amounts (below 3% by weight, preferably below 1% by weight) Chain extenders, e.g. low molecular weight diamines, condensation catalysts, e.g. Diaza-dicyclo-octane, defoaming agents, e.g. Polyether siloxanes and other modifiers are added. The ratio of Polyether polyols and isocyanate components are preferred in such Ratio chosen that the key figure is 90 to 130.
  • MDI Diphenylmethane-4,4'-diisocyanate
  • NCO NCO content from 20 to 30 wt .-% used.
  • the second mixture in minor amounts (below 3% by weight, preferably below 1% by weight
  • Mineral fillers are particularly suitable as reinforcing fillers.
  • fibers in particular short glass fibers, from 3 to 15 ⁇ m in diameter and 0.3 to 3 mm in length.
  • the mixtures are produced using the processes customary in polyurethane chemistry continuously produced in mixing units and through to a negative form Spray or pour applied.
  • First the one that forms the visible side applied first mixture and, before it has hardened, the second mixture applied for the base course.
  • the joint curing of both layers takes place at 20 to 120 ° C, preferably 40 to 100 ° C, over a period of 15 Minutes to 24 hours, depending on the curing temperature.
  • the layer forming the visible side preferably has a thickness of 0.2 to 0.7 mm.
  • the base layer can, depending on the application of the multilayer flat molded part have a thickness between 2 and 10 mm. Possibly the thickness of the base layer can be variable, so that more stressed areas are thicker.
  • the base layer can be in the form of a sandwich unfoamed and foamed polyurethane can be formed by the second mixture is applied in multiple layers, with a middle layer a blowing agent is added.

Landscapes

  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Insulators (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Paints Or Removers (AREA)
  • Bathtub Accessories (AREA)
EP97938884A 1996-08-20 1997-08-07 Mehrschichtiges, flächiges formteil mit einer sichtseite und einer tragschicht Expired - Lifetime EP0920470B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19633479A DE19633479A1 (de) 1996-08-20 1996-08-20 Mehrschichtiges, flächiges Formteil mit einer Sichtseite und einer Tragschicht
DE19633479 1996-08-20
PCT/EP1997/004301 WO1998007774A1 (de) 1996-08-20 1997-08-07 Mehrschichtiges, flächiges formteil mit einer sichtseite und einer tragschicht

Publications (2)

Publication Number Publication Date
EP0920470A1 EP0920470A1 (de) 1999-06-09
EP0920470B1 true EP0920470B1 (de) 2000-11-15

Family

ID=7803083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97938884A Expired - Lifetime EP0920470B1 (de) 1996-08-20 1997-08-07 Mehrschichtiges, flächiges formteil mit einer sichtseite und einer tragschicht

Country Status (15)

Country Link
US (1) US6120903A (cs)
EP (1) EP0920470B1 (cs)
AT (1) ATE197601T1 (cs)
AU (1) AU719255B2 (cs)
BR (1) BR9711209A (cs)
CA (1) CA2263511C (cs)
CZ (1) CZ291590B6 (cs)
DE (2) DE19633479A1 (cs)
DK (1) DK0920470T3 (cs)
EG (1) EG20813A (cs)
ES (1) ES2152698T3 (cs)
GR (1) GR3035230T3 (cs)
PL (1) PL331733A1 (cs)
PT (1) PT920470E (cs)
WO (1) WO1998007774A1 (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120912A1 (de) * 2001-04-27 2002-10-31 Basf Ag Verbundbauteile aus Polyurethan und deren Verwendung in Karosserieaussenteilen
US20040121161A1 (en) * 2002-12-20 2004-06-24 Shugert Craig T. Composite material and mold process for injected molded vanity or countertop
DE102005001611C5 (de) * 2005-01-12 2009-08-27 Frimo Group Gmbh Mehrfarbige Gießhäute
DE102007052923A1 (de) * 2007-11-07 2009-05-20 Decs Gmbh Sanitärgegenstand und Verfahren zu seiner Herstellung
ES2346504B1 (es) * 2009-03-02 2011-08-03 Juan Moya Romero Procedimiento de fabricacion de un plato de ducha de poliuretano y plato de ducha resultante.
TR201815598T4 (tr) 2014-09-19 2018-11-21 Basf Se Hiç olmazsa kısmen bir tabaka yapısından oluşturulmuş yapı parçası ve bunun üretimi için yöntem.
DE102017116306A1 (de) * 2017-07-19 2019-01-24 Blanco Gmbh + Co Kg Verfahren zur Herstellung eines Kunststoffformteils mit einem optisch strukturierten Oberflächenbereich und hergestelltes Kunststoffformteil

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8901315A (nl) * 1989-05-25 1990-12-17 Stork X Cel Bv Werkwijze voor het vervaardigen van een uit polyurethaanlagen bestaand product.
DE4223993C2 (de) * 1992-07-21 1996-05-15 Roth Werke Gmbh Verwendung eines Werkstoffverbundes aus einer tiefgezogenen Polyacryltafel und einer darauf aufgebrachten Polyurethanverstärkungsschicht für die Herstellung eines muldenförmigen Sanitärgegenstandes

Also Published As

Publication number Publication date
GR3035230T3 (en) 2001-04-30
ES2152698T3 (es) 2001-02-01
AU719255B2 (en) 2000-05-04
CZ57899A3 (cs) 2000-05-17
DE19633479A1 (de) 1998-02-26
US6120903A (en) 2000-09-19
AU4117697A (en) 1998-03-06
PT920470E (pt) 2001-04-30
ATE197601T1 (de) 2000-12-15
CZ291590B6 (cs) 2003-04-16
WO1998007774A1 (de) 1998-02-26
BR9711209A (pt) 1999-08-17
EG20813A (en) 2000-03-29
CA2263511C (en) 2005-11-01
PL331733A1 (en) 1999-08-02
DK0920470T3 (da) 2000-12-27
DE59702646D1 (de) 2000-12-21
CA2263511A1 (en) 1998-02-26
EP0920470A1 (de) 1999-06-09

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