EP1274659A1 - Glaskörper mit erhöhter festigkeit - Google Patents

Glaskörper mit erhöhter festigkeit

Info

Publication number
EP1274659A1
EP1274659A1 EP01936193A EP01936193A EP1274659A1 EP 1274659 A1 EP1274659 A1 EP 1274659A1 EP 01936193 A EP01936193 A EP 01936193A EP 01936193 A EP01936193 A EP 01936193A EP 1274659 A1 EP1274659 A1 EP 1274659A1
Authority
EP
European Patent Office
Prior art keywords
glass
layer
coating
mpa
strength
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Withdrawn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
EP01936193A
Other languages
German (de)
English (en)
French (fr)
Inventor
Andreas Weber
Roland Bürkle
Silke Deutschbein
Andreas Habeck
Reiner Mauch
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.)
Schott AG
Original Assignee
Schott Glaswerke 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 Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of EP1274659A1 publication Critical patent/EP1274659A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • C03C17/322—Polyurethanes or polyisocyanates
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • C03C17/326—Epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • C03C17/328—Polyolefins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • 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
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Definitions

  • the invention relates to glass bodies of any shape, for example in the form of flat panes or in three-dimensional form of larger thickness dimensions.
  • Glass bodies of this type require particularly high strength, in particular surface strength, in numerous applications. Chemical or thermal treatments can be used to achieve this.
  • the process is therefore limited to thicker glasses> 0.7 mm.
  • the glass after chemical hardening, the glass must be polished for optical or electronic applications.
  • This process step in turn increases the cost of production and, in the case of thin glasses ( ⁇ 0.3 mm), also leads to high losses due to breakage.
  • the methods mentioned are therefore not to be used for thin glasses, such as are used in particular for displays or for data storage or for electronic applications.
  • US Pat. No. 5,455,087 also describes a method for increasing the strength of glass containers by polymerization on the glass surface.
  • the increase in strength is achieved only by the mechanical protective action and not, as described in the method according to the invention, by mechanical prestressing of the polymer layer.
  • the importance of the tear propagation strength of the polymers is also not dealt with in the publications available to date.
  • the invention has for its object to provide a glass body of any type and shape with a higher strength.
  • a high surface strength should be achieved with the least possible manufacturing effort and low manufacturing costs.
  • the invention is therefore based on a vitreous body, which consists of a.
  • Base body and a layer applied to this is built.
  • the applied layer is under a defined compressive stress or under a defined tensile stress.
  • the layer either has its own tension, which becomes effective when it is applied to the glass surface, or it receives it
  • This defined mechanically pre-stressed layer can consist of organic, inorganic and organic / inorganic materials.
  • the tear resistance of the polymer is an important factor in polymer layers in order to increase the mechanical stability of the polymer / glass composite.
  • the selected material, the type of coating, or a suitable aftertreatment ensures the generation of a defined mechanical layer tension. Dip coating, spin coating, rolling, spraying and vacuum processes, such as sputtering, plasma polymerization, or plasma-assisted chemical deposition from the vapor phase can be used as possible coating methods
  • PECVD PECVD
  • Thermoplastics, thermosets and elastomers can be used as organic polymers.
  • polymers such as Polyvinyl alcohols, polyacrylates, polyarylates, polyesters, polysilicones etc. or also materials containing so-called Ormocers and nanoparticles are applied to the glass by the process according to the invention in such a way that defined tensile or compressive stresses are set. This happens on the one hand through the
  • the range of tear resistance is 10 N / mm, in a particularly preferred range it is in the range of 11-15 N / mm. Values above 10 N / mm mean that they are so-called "notch-resistant" elastomers, which have a significantly higher tear and tear resistance than standard products.
  • the glass substrate can also be coated several times.
  • a first layer is applied that is under a defined tensile or compressive stress.
  • a second layer is applied, which provides this protection.
  • metal oxides e.g. aluminum oxide
  • metal nitrides e.g. aluminum nitride
  • metal oxynitrides e.g. Al x O y N z
  • metal carbides metal oxycarbides
  • metal carbonitrides metal carbides
  • semiconductor oxides e.g. silicon oxide
  • semiconductor nitrides e.g. silicon nitride
  • semiconductor oxynitrides e.g. SiO x N y
  • semiconductor carbides semiconductor oxicarbides
  • Plasma polymers can be generated from a variety of organic and organometallic volatile compounds. Depending on the coating conditions, plasma polymers can also be deposited with a defined tensile or compressive stress. In the plasma-assisted sputtering process and in In plasma polymerization, the layer tension is adjusted, in particular, by a bias voltage which is applied to the glass to be coated. This bias voltage on the substrate can be generated by applying a DC voltage, a low-frequency voltage, a medium-frequency voltage or a high-frequency voltage to the
  • the vacuum arc process is particularly well suited to achieving layers with high mechanical strengths from an economic point of view.
  • the tensile or compressive stress of the applied layer is in the range of 100-1000 MPa, preferably 200-600 MPa and particularly preferably 300-500 MPa.
  • the glass can be coated on one or both sides. The layer thickness depends on
  • the layer thickness is preferably in the range of 0.05-0.5 ⁇ m and particularly preferably 0.1-0.3 ⁇ m.
  • the layer thickness is in the range from 0.5 to 50 ⁇ m and, in a particularly preferred embodiment, from 1 to 10 ⁇ m.
  • the coating is carried out directly after the hot shaping, that is to say on the glass ribbon.
  • An additional increase in surface strength can be achieved in this way.
  • the glass is provided with a protective layer immediately after production, e.g. Scratches or signs of corrosion on the glass surface can be prevented.
  • the adhesion of the layer material to the glass is of particular importance.
  • the glass By coating the glass on both sides with a layer that is under tensile or compressive stress, e.g. the
  • Surface strength of the glass can be increased from 580 MPa to 2,350 MPa, which is in the range of intrinsic strength.
  • thin glasses with a thickness of less than 0.3 mm preferably glasses with thicknesses in the range of 0.03-0.2 mm
  • glasses with thicknesses in the range of 0.03-0.2 mm can now be hardened by the process according to the invention and can thus also be used for applications in which otherwise only Glasses with a thickness greater than 0.3 mm can be used. Is used to harden the
  • Glass transparent and according to the inventive method heat-resistant materials these glasses can be used as substrates, for example for the production of displays such as LCDs or PLEDs. In this way, stable, flexible displays can be produced using the method according to the invention.
  • these layers can perform other functions in addition to their strength-increasing effect by the process according to the invention.
  • they can also act as a diffusion barrier against easily movable alkali ions or as reflective layers for reflective displays.
  • metallic layers can also be used to generate layer stresses.
  • Particularly suitable are Cr layers and Ta layers in ⁇ modification, which at low process pressures ( ⁇ 4 ⁇ ba ⁇ and high
  • Another application of the method according to the invention is in the production of data carriers made of glass, in particular so-called hard disks made of glass.
  • these glass hard disks are usually subjected to chemical hardening.
  • this chemical hardening has some disadvantages such as long process times, surface contamination. So they have to Glass substrates for hard disks can be polished and washed after chemical hardening. These processes are also very time consuming.
  • these processes are no longer necessary and the glass hardened by the method according to the invention can be used for the production of hard disks without further pretreatments.
  • Another application of the method according to the invention is in the production of printed circuit boards in which a thin glass film with a thickness of 30-100 ⁇ m is used instead of glass fabric. This is done by coating with an epoxy resin and the subsequent one
  • Curing by exposure to light or heat creates a toughened layer on the glass, increasing its surface strength.
  • a copper foil is then laminated onto the glass treated in this way and the electrical circuit carriers are produced by structuring the copper and fitting it with further electrical components.
  • the measuring apparatus consists of two concentric steel rings, a support ring (radius 20 mm) and a load ring (radius 4 mm).
  • a square sample 50 mm x 50 mm is placed between the two load rings and the load on the glass is increased in a defined manner via the upper load ring.
  • An anisotropic stress state is generated in the thin glass sample.
  • the tests are carried out with a linearly increasing force effect, a force-controlled stress rate of 2 MPa / s being specified. The stress is increased until the glass breaks.
  • Non-linear force-stress relationships are taken into account for the calculation of the breaking stresses.
  • the breaking stresses are given in the unit MPa and evaluated according to DIN 55303-7. The values calculated from this estimation method are then as
  • Strength values of the glasses tested are available for determining layer stresses in metallic or oxidic thin and thick layers. This measurement is carried out relatively simply by bending a thin glass strip which is coated with the method according to the invention. The mechanical layer stress is calculated from the basic mechanical data of the glass, its geometry, the measured bending and the layer thickness. The procedure is in the scriptures
  • Alkali-free borosilicate glass of the AF 37 glass type from Schott with a thickness of 700 ⁇ m was coated with polyvinyl alcohol (Mowiol from Clariant; 10% dissolved in H 2 0) during the glass drawing process (down-draw).
  • the glass transition temperature was approx. 80 ° C when the polyvinyl alcohol (viscosity 1100 mPas) was sprayed on both sides (top and bottom) and dried in an oven at 180 ° C for approx. 15 seconds during the on-line process.
  • the tensile stress was 0.6 GPa, the layer thickness 10 ⁇ .
  • the surface strength of the same glass without coating was 512 MPa, while the glass with the above-mentioned coating had intrinsic strength measured at 2,350 MPa.
  • Alkali-containing borosilicate glass (D 263 from Schott Displayglas GmbH), size 100 x 100 mm and thickness 0.4 mm, was made with a polyvinyl alcohol (Mowiol from Clariant, 16% in H 2 0) at room temperature using a centrifugal process (2000 min "1 , viscosity 250 mPas) and dried at 180 ° C. for 10 minutes.
  • the layer thickness was 20 ⁇ m.
  • the surface strength was 706 MPa (with a tensile stress of 0.2 GPa) and with two-sided coating (immersion process) 924 MPa (tensile stress 0.26 GPa)
  • the uncoated samples had a surface strength of 579 MPa.
  • Alkali-containing borosilicate glass (D 263 from Schott Displayglas GmbH, size 100 x 100 mm) with a thickness of 0.2 mm was obtained using a polydimethylsiloxane (Elastosil ® from Wacker) using an immersion process
  • the layer thickness was 40 ⁇
  • the tear strength of the polymer is 12 N / mm.
  • the tensile stress was 0.14 GPa, while the surface strength was 722 MPa.
  • the uncoated reference had a surface strength of 404 MPa.
  • Alkali-containing borosilicate glass (D 263 from Schott Displayglas GmbH, format 100 x 100 mm) with a thickness of 0.1 mm was used
  • Alkylphenyl silicone resin Silres ® (40% solution in xylene) from Wacker coated on one side with a centrifugal process (4000 min "1 , viscosity 60 mPas) and dried at 200 ° C. for 15 min.
  • the layer thickness of the samples was 8.7 ⁇ m.
  • the tensile stress was 0.21 GPa and the surface strength 733 MPa, while the uncoated samples had a 'surface strength of 426 MPa.
  • borosilicate glass (D 263 from Schott Displayglas GmbH, glass thickness 0.4 mm, format 200 x 200 mm) was coated with hexamethlydisiloxane (HMDSO) as a monomer.
  • HMDSO hexamethlydisiloxane
  • a parallel plate reactor was used here, the lower electrode being connected to a high-frequency generator (13.56 MHz).
  • the RF power applied to the electrode was 300 watts, the bias voltage also applied to this electrode was - 300 V. After 30 minutes, the was
  • Borosilicate glass (D 263 from Schott Displayglas GmbH, format 150 x 150 mm, 400 ⁇ m thick) was made of a 0.42 ⁇ m thin SiC x N y H z layer using a high-frequency, low-pressure plasma in a parallel plate reactor
  • Tetramethylsilane (TMS) and nitrogen are generated.
  • the deposition time was 20 minutes.
  • the pressure was 0.11 mbar.
  • the process pressure was 0.2 mbar.
  • the compressive stress of the plasma polymer layer was 0.6 GPa.
  • the surface strength was 1120 MPa, while the uncoated samples had a surface strength of 579 MPa.
  • a glass film of size 100 x 100 mm of glass type D 263 (company lettering from Schott-pesag) is used as the glass substrate with a thickness of 100 ⁇ m, which is produced using the down-draw process.
  • the strength of these glass substrates is approximately 470 MPa.
  • the glass substrate is spun (5000 1 / min) with a
  • Methylphenyl silicone resin (product name Silres® from Wacker-Chemie GmbH, silicone resin / xylene solution mass ratio 1: 3) coated and then dried at 220 ° C. for 15 minutes in a forced air oven.
  • the layer thickness is 4.5 ⁇ m
  • the tensile stress is 0.21 GPa
  • the surface strength is approx. 980 MPa. Since the silicone resins have a low chemical resistance i.a. compared to ketones, a second layer is applied.
  • the silicone resin-coated glass substrates are coated with a silicone polymer film based on polydimethylsiloxane (product name Elastosil® from Wacker-Chemie GmbH, viscosity 70000 mPas) using a centrifugal process (5000 1 / min) and at
  • the layer thickness is 45 ⁇ .
  • the strength of the first coating was increased significantly, and the second coating improved the chemical resistance, in particular to ketones.
  • Substrate AF45 0.7 mm x 400 x 400 mm from Schott display glass Plant: PI / PE-CVC reactor horizontal arrangement with plasma cage
  • Precursor gases SiH 4 65sccm, NH 3 280sccm
  • Carrier gases N 2 ⁇ OOsccm, H 2 178sccm
  • Plasma excitation frequency 13.56 MHz plasma power: 2500W substrate temperature: 250 ° C carrier gases: Ar 40sccm, Kr 5sccm, 0 2 x sccm Driving speed: 0.1 m / min
  • Substrate D263 0.4 x 400 x 400 mm 3
  • System Vertical in-line sputtering system with water-cooled magnetron cathode and
  • Source 2x linear magnetron cathode 488 mm wide
  • Plasma excitation frequency 13.56 MHz
  • Carrier gases Ar 50sccm, Kr 5sccm, 0 2 5sccm
  • Substrate AF 45 0.7 mm thickness 400 mm
  • DC plasma generation Source Linear magnetron cathode 488 mm wide
  • Plasma excitation frequency 13.56 MHz
  • Plasma power 4 kW
  • Carrier gases Ar 40 sccm
  • Process pressure 2.6 ⁇ bar, pressure increase to
  • Substrate D263 0.4 x 50 mm x 50 mm
  • System vacuum evaporation system
  • Source Balzers e-Beam on Al 2 0 3 , source distance
  • An alkali-containing borosilicate glass (D263 from Schott Displayglas GmbH, format 100 x 100 mm), 0.1 mm thick, was coated on both sides with a polymer mixture of polyacrylate and polyepoxide from Clariant (centrifugal process 800 min "1 ) and at 230 ° C. 30 min in a forced air oven.
  • the layer thickness of the sample was 3.5 ⁇ m, the tensile stress 0.18 GPa and the surface strength 790 MPa, while the uncoated samples had a surface strength of 426 MPa.
  • Epoxy Stycast 1269 A (Grace) coated in a spin-coat process (1500 s "1 ) and cured for 3 hours at 120 °.
  • the layer thickness was 7.2 ⁇ m, the tensile stress 0.18 GPa and the surface strength 748 MPa ( Surface strength of the uncoated reference 404 MPa).
  • the coating was cured under an IR radiation field within 5 seconds and a layer thickness of 9.7 ⁇ m was achieved.
  • the tensile stress of the coated samples was 0.19 GPa and the surface strength was 783 MPa, during the uncoated samples had a surface strength of 404 MPa.
  • Fusion lamp (lamp type H) and an output of 180 W / cm 2 , which was passed over the coated samples at a speed of 6 m / min.
  • the thickness of the acrylate coating was 7.6 ⁇ m (tensile stress 0.2 GPa, surface strength 658 MPa).
  • the surface strength of the uncoated reference was 404 MPa.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laminated Bodies (AREA)
  • Magnetic Record Carriers (AREA)
EP01936193A 2000-04-18 2001-04-05 Glaskörper mit erhöhter festigkeit Withdrawn EP1274659A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10019355 2000-04-18
DE10019355A DE10019355A1 (de) 2000-04-18 2000-04-18 Glaskörper mit erhöhter Festigkeit
PCT/EP2001/003892 WO2001079128A2 (de) 2000-04-18 2001-04-05 Glaskörper mit erhöhter festigkeit

Publications (1)

Publication Number Publication Date
EP1274659A1 true EP1274659A1 (de) 2003-01-15

Family

ID=7639283

Family Applications (1)

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EP01936193A Withdrawn EP1274659A1 (de) 2000-04-18 2001-04-05 Glaskörper mit erhöhter festigkeit

Country Status (9)

Country Link
US (1) US20040071960A1 (ja)
EP (1) EP1274659A1 (ja)
JP (1) JP2003531088A (ja)
KR (1) KR20020026883A (ja)
CN (1) CN1380876A (ja)
AU (1) AU6217401A (ja)
DE (2) DE10019355A1 (ja)
TW (1) TW593185B (ja)
WO (1) WO2001079128A2 (ja)

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DE10019355A1 (de) 2001-10-31
DE10191422D2 (de) 2002-12-12
WO2001079128A2 (de) 2001-10-25
US20040071960A1 (en) 2004-04-15
CN1380876A (zh) 2002-11-20
TW593185B (en) 2004-06-21

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