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WO2002004565A2 - Multicouche dure - Google Patents

Multicouche dure Download PDF

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Publication number
WO2002004565A2
WO2002004565A2 PCT/EP2001/007806 EP0107806W WO0204565A2 WO 2002004565 A2 WO2002004565 A2 WO 2002004565A2 EP 0107806 W EP0107806 W EP 0107806W WO 0204565 A2 WO0204565 A2 WO 0204565A2
Authority
WO
WIPO (PCT)
Prior art keywords
coating
layer
coatings
elasticity
coating material
Prior art date
Application number
PCT/EP2001/007806
Other languages
German (de)
English (en)
Other versions
WO2002004565A3 (fr
Inventor
Thomas Benthien
Gerhard Jonschker
Joachim Krakehl
Original Assignee
Nanogate Technologies 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 Nanogate Technologies Gmbh filed Critical Nanogate Technologies Gmbh
Priority to AU2001289629A priority Critical patent/AU2001289629A1/en
Publication of WO2002004565A2 publication Critical patent/WO2002004565A2/fr
Publication of WO2002004565A3 publication Critical patent/WO2002004565A3/fr

Links

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
    • C08F230/085—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon the monomer being a polymerisable silane, e.g. (meth)acryloyloxy trialkoxy silanes or vinyl trialkoxysilanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Definitions

  • the following invention relates to the coating of objects.
  • the present invention is concerned with the production of particularly abrasion-resistant, that is to say very hard, layers.
  • the inventor has recognized that problems with the abrasion resistance of coatings are often caused by the fact that the coating and the base body have different hardnesses.
  • a measure of the hardness is typically the modulus of elasticity, which, however, cannot be sensibly measured with typically only thin coatings. At most, micro- or nano-hardness can be determined for the typical thicknesses of coatings.
  • the various measurement methods result in very different sizes, depending on the measurement method, which is why reference is made here to relative differences in order to obtain a measure that is largely independent of the measurement methods used.
  • the inventor further recognized that an extremely abrasion-resistant coating can be achieved if a multilayer coating is applied to a base body.
  • plastic bodies should be coated. It is therefore proposed according to the invention to apply layers of different hardness to the body.
  • a soft outer layer can be applied over a hard intermediate layer. It is preferred here to coat a very hard and brittle layer, for example on a plastic or lacquer, with a somewhat softer, more flexible coating, and preferably, but not necessarily, to carry out a separate hardening of both layers. It is surprising that such a soft outer layer obtains the desired high strength.
  • the hard and the soft layer have relative differences in the moduli of elasticity of at least 20, preferably at least 40%.
  • the most suitable coating materials are curable polymer coatings and nanocomposites and sputter layers.
  • the lacquers can be lacquers based on acrylate, epoxy or other resin and / or contain nanoparticles made of Si0 2 , Ti0 2 , Zr0 2 , ITO and so on.
  • the compression can be carried out separately, but joint curing, in particular cofiring, is also possible.
  • the coatings themselves can be applied wet-chemically, by means of CVD or by powder coating.
  • Coating material 1 is explained below only by way of example using various exemplary embodiments and comparative examples:
  • Coating material 2 248.3 g of methacryloxypropyltrimethoxysilane are mixed with 1,400 g of a dispersion of SiO 2 nanoparticles in isopropanol ("Highlink" from Clariant. 30% solids) and 1,000 g of isopropanol. 27 g of 0.1 M HCl are added to the mixture After stirring for 24 hours at room temperature, 4 g of benzophenone are dissolved in the mixture.
  • coating material 1 is approx. 6 ⁇ m thick and hardened by exposure to UV light. The coating material is then thermally post-cured at 120 ° C. for 2 hours.
  • Coating material 2 is placed on a PC plate (Makrolon, Bayer) approx. 6 ⁇ m thick and hardened by exposure to UV light. The coating material is then thermally post-cured at 120 ° C. for 2 hours.
  • Coating 3 First coating material 2 approximately 4 ⁇ m thick is applied to a PC plate (Makrolon, Bayer) and overcoated after coating the solvent with coating material 1 approximately 2 ⁇ m thick. Both coatings are hardened by irradiation with UV light. The multilayer is then thermally post-cured for 2 hours at 120 ° C.
  • a 1.5 ⁇ m thick Si0 2 layer is sputtered onto a PC plate using vacuum techniques. Coating material 1 with a thickness of 3 ⁇ m is applied to this coating, UV-hardened and then post-hardened at 120 ° C. for 2 hours.
  • Vacuum techniques are used to place a 1.5 ⁇ m thick layer on a PC plate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé pour réaliser des revêtements, selon lequel, sur un corps de base, est appliquée une première couche à module de dureté déterminé, sur laquelle est appliquée une deuxième couche constituée d'un matériau d'enduction différent et présentant un module d'élasticité correspondant à au moins 20 % de celui de la première couche.
PCT/EP2001/007806 2000-07-10 2001-07-07 Multicouche dure WO2002004565A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001289629A AU2001289629A1 (en) 2000-07-10 2001-07-07 Multilayered hard coating

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10033249.8 2000-07-10
DE10033249A DE10033249A1 (de) 2000-07-10 2000-07-10 Multilayer-Hartschicht

Publications (2)

Publication Number Publication Date
WO2002004565A2 true WO2002004565A2 (fr) 2002-01-17
WO2002004565A3 WO2002004565A3 (fr) 2002-11-07

Family

ID=7648255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/007806 WO2002004565A2 (fr) 2000-07-10 2001-07-07 Multicouche dure

Country Status (3)

Country Link
AU (1) AU2001289629A1 (fr)
DE (1) DE10033249A1 (fr)
WO (1) WO2002004565A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005118162A1 (fr) * 2004-05-26 2005-12-15 Ppg Industries Ohio, Inc. Procede d'application de revetements composites a composants multiples sur des substrats pour leur conferer une isolation acoustique et une resistance aux empreintes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200681A (en) * 1978-11-13 1980-04-29 General Electric Company Glass coated polycarbonate articles
DE2852828B1 (de) * 1978-12-07 1980-06-19 Teroson Gmbh Verfahren zur Herstellung einer koerperschalldaempfenden Beschichtung
CA1163507A (fr) * 1981-09-25 1984-03-13 Daniel A. Polsinelli Enduits a base de resine de silicone
DE19533057A1 (de) * 1994-09-12 1996-03-14 Gen Electric Verfahren zum Herstellen von strahlungshärtbaren, siliciumhaltigen Polyacrylat-Hartüberzugs-Zusammensetzungen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200681A (en) * 1978-11-13 1980-04-29 General Electric Company Glass coated polycarbonate articles
DE2852828B1 (de) * 1978-12-07 1980-06-19 Teroson Gmbh Verfahren zur Herstellung einer koerperschalldaempfenden Beschichtung
CA1163507A (fr) * 1981-09-25 1984-03-13 Daniel A. Polsinelli Enduits a base de resine de silicone
DE19533057A1 (de) * 1994-09-12 1996-03-14 Gen Electric Verfahren zum Herstellen von strahlungshärtbaren, siliciumhaltigen Polyacrylat-Hartüberzugs-Zusammensetzungen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005118162A1 (fr) * 2004-05-26 2005-12-15 Ppg Industries Ohio, Inc. Procede d'application de revetements composites a composants multiples sur des substrats pour leur conferer une isolation acoustique et une resistance aux empreintes
US7288290B2 (en) 2004-05-26 2007-10-30 Ppg Industries Ohio, Inc. Process for applying multi-component composite coatings to substrates to provide sound damping and print-through resistance
AU2005249940B2 (en) * 2004-05-26 2008-04-03 Ppg Industries Ohio, Inc. Process for applying multi-component composite coatings to substrates to provide sound damping and print-through resistance

Also Published As

Publication number Publication date
WO2002004565A3 (fr) 2002-11-07
AU2001289629A1 (en) 2002-01-21
DE10033249A1 (de) 2002-02-07

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