GB1307595A - Glass articles having high modulus of rupture - Google Patents
Glass articles having high modulus of ruptureInfo
- Publication number
- GB1307595A GB1307595A GB1307595DA GB1307595A GB 1307595 A GB1307595 A GB 1307595A GB 1307595D A GB1307595D A GB 1307595DA GB 1307595 A GB1307595 A GB 1307595A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- zno
- ions
- strengthened
- rupture
- 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
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
- 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
- C03C3/083—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
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
1307595 Strengthened glass OWENSILLINOIS Inc 28 April 1970 20277/70 Heading C1M A glass comprising (weight per cent, to an extent of at least 90% of the glass) where (Na 2 O + ZnO) # 20, where ZnO # RO, and where is 0À5-1À5, the balance, if any, of the glass consisting of other compatible constituents, is strengthened by replacement of Na ions in the glass by K ions from an external source, at an elevated temperature below its softening point, so as to form a surface compressive stress layer of depth at least 10 microns. The glass may include minor amounts of P 2 O 5 , ZrO 2 , B 2 O 3 or TiO 2 . The strengthening treatment may be carried out using a solid or molten exchange medium, which may include KCl, KNO 3 or K 2 SO 4 or mixtures thereof, at 380-1000‹ F.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2027770 | 1970-04-28 | ||
| DE19702020674 DE2020674A1 (en) | 1970-04-28 | 1970-04-28 | Process for the production of a glass object with a favorable modulus of fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1307595A true GB1307595A (en) | 1973-02-21 |
Family
ID=25759041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1307595D Expired GB1307595A (en) | 1970-04-28 | 1970-04-28 | Glass articles having high modulus of rupture |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2020674A1 (en) |
| GB (1) | GB1307595A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0757020A1 (en) * | 1995-02-10 | 1997-02-05 | Asahi Glass Company Ltd. | Scratch-resistant glass |
| GB2329382A (en) * | 1997-09-23 | 1999-03-24 | Glaverbel | Chemical treatment of vitreous material |
| EP1506945B1 (en) | 2002-05-07 | 2015-04-22 | Nippon Sheet Glass Co., Ltd. | Translucent glass panel |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0734357B1 (en) * | 1994-10-13 | 1998-06-03 | Saint-Gobain Vitrage | Reinforced glass substrates |
| FR2725713B1 (en) * | 1994-10-13 | 1997-01-10 | Saint Gobain Vitrage | REINFORCED GLASS SUBSTRATE |
-
1970
- 1970-04-28 DE DE19702020674 patent/DE2020674A1/en active Pending
- 1970-04-28 GB GB1307595D patent/GB1307595A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0757020A1 (en) * | 1995-02-10 | 1997-02-05 | Asahi Glass Company Ltd. | Scratch-resistant glass |
| EP0757020A4 (en) * | 1995-02-10 | 1998-11-25 | Asahi Glass Co Ltd | Scratch-resistant glass |
| GB2329382A (en) * | 1997-09-23 | 1999-03-24 | Glaverbel | Chemical treatment of vitreous material |
| EP1506945B1 (en) | 2002-05-07 | 2015-04-22 | Nippon Sheet Glass Co., Ltd. | Translucent glass panel |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2020674A1 (en) | 1971-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |