WO2010005578A1 - Glass with compressive surface for consumer applications - Google Patents
Glass with compressive surface for consumer applications Download PDFInfo
- Publication number
- WO2010005578A1 WO2010005578A1 PCT/US2009/004011 US2009004011W WO2010005578A1 WO 2010005578 A1 WO2010005578 A1 WO 2010005578A1 US 2009004011 W US2009004011 W US 2009004011W WO 2010005578 A1 WO2010005578 A1 WO 2010005578A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass
- mol
- ion exchange
- compressive stress
- mpa
- Prior art date
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
- C03C4/00—Compositions for glass with special properties
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
Definitions
- the strengthening steps are ion exchange steps in which the glass, which itself initially comprises alkali metal ions, is immersed in a series of salt baths containing alkali metal ions that are larger than those alkali metal ions present in the glass.
- successive salt baths have compositions that are different from each other.
- successive salt baths can have essentially the same composition.
- the terms "salt bath” and “bath” refer to such baths used for ion exchange, including, but not limited to, molten salt baths that are known in the art. The smaller ions in the surface region of the glass are exchanged for the larger ions in the bath.
- sodium ions in the surface region of the glass are exchanged for potassium ions in the melt.
- a compressive stress is created in the surface of the glass region by the presence of larger ions that now occupy sites in the surface region.
- the presence of a compressive stress in the surface region gives rise to a corresponding tensile stress, or central tension, in a central or inner region of the glass to balance forces within the glass.
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)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011517422A JP2011527661A (en) | 2008-07-11 | 2009-07-09 | Glass with compression surface for consumer use |
CN200980133798.4A CN102131740B (en) | 2008-07-11 | 2009-07-09 | For the glass with compressive surfaces of consumer applications |
EP09788888A EP2307328A1 (en) | 2008-07-11 | 2009-07-09 | Glass with compressive surface for consumer applications |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7999508P | 2008-07-11 | 2008-07-11 | |
US61/079,995 | 2008-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010005578A1 true WO2010005578A1 (en) | 2010-01-14 |
Family
ID=41165360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/004011 WO2010005578A1 (en) | 2008-07-11 | 2009-07-09 | Glass with compressive surface for consumer applications |
Country Status (6)
Country | Link |
---|---|
US (1) | US8561429B2 (en) |
EP (1) | EP2307328A1 (en) |
JP (1) | JP2011527661A (en) |
KR (1) | KR20110036828A (en) |
CN (1) | CN102131740B (en) |
WO (1) | WO2010005578A1 (en) |
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EP2307328A1 (en) | 2011-04-13 |
JP2011527661A (en) | 2011-11-04 |
US20100009154A1 (en) | 2010-01-14 |
CN102131740A (en) | 2011-07-20 |
US8561429B2 (en) | 2013-10-22 |
CN102131740B (en) | 2015-12-02 |
KR20110036828A (en) | 2011-04-11 |
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