ES393253A1 - Process for treating bodies made of glass or of vitrocrystalline or ceramic material - Google Patents
Process for treating bodies made of glass or of vitrocrystalline or ceramic materialInfo
- Publication number
- ES393253A1 ES393253A1 ES393253A ES393253A ES393253A1 ES 393253 A1 ES393253 A1 ES 393253A1 ES 393253 A ES393253 A ES 393253A ES 393253 A ES393253 A ES 393253A ES 393253 A1 ES393253 A1 ES 393253A1
- Authority
- ES
- Spain
- Prior art keywords
- medium
- glass
- stratum
- vitrocrystalline
- naoh solution
- 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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A body of glass, vitrocrystalline material or ceramic is chemically tempered as by ion exchange to provide a surface under compressive stress, after which a surface stratum of the body, preferably 0À1-20 microns thick, is chemically removed. The stratum may be removed by use of a fluorine-containing medium, preferably of pH below 4, so that the optical properties are not impaired. The medium may be HF, possibly with H 2 SO 4 (e.g. a solution containing 6% by vol. of each), NH 4 HF 2 , or NaF+H 2 SO 4 . Alternatively, a hydroxyl-containing medium, e.g. NaOH solution, may be used. The treatment is preferably performed with the medium at 0-80 C. The body may be dipped in a liquid medium, or streams of the medium as gas or liquid may be led over the surface. Preferably the body is vibrated relative to the medium at sonic or ultra-sonic frequency. After removal of the surface stratum the glass may be treated with water or a basic medium (e.g. by placing in a humid atmosphere, or by immersing in, e.g. 20% NaOH solution at 30 C. Preferably the process is continuous, with the surface stratum being removed substantially immediately after the chemical tempering. The body may then be coated, as specified in co-pending Application 32148/69. The body, which may be a glass sheet, may itself form a coating on a substrate. Specification 1,274,732 is also referred to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU56863 | 1968-09-12 | ||
| GB3214969A GB1274731A (en) | 1968-09-12 | 1969-06-25 | Process for treating bodies made of glass or of vitrocrystalline or ceramic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES393253A1 true ES393253A1 (en) | 1974-10-01 |
Family
ID=26261241
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES371393A Expired ES371393A1 (en) | 1968-09-12 | 1969-09-10 | Process for treating bodies made of glass or of vitrocrystalline or ceramic material |
| ES393253A Expired ES393253A1 (en) | 1968-09-12 | 1971-07-14 | Process for treating bodies made of glass or of vitrocrystalline or ceramic material |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES371393A Expired ES371393A1 (en) | 1968-09-12 | 1969-09-10 | Process for treating bodies made of glass or of vitrocrystalline or ceramic material |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT299469B (en) |
| BE (1) | BE738014A (en) |
| BG (1) | BG20553A3 (en) |
| CA (1) | CA945374A (en) |
| CH (1) | CH520629A (en) |
| CS (1) | CS175407B2 (en) |
| DE (1) | DE1946378A1 (en) |
| ES (2) | ES371393A1 (en) |
| FI (1) | FI50329C (en) |
| FR (1) | FR2017869B1 (en) |
| GB (1) | GB1274731A (en) |
| NL (1) | NL6913962A (en) |
| NO (1) | NO123718B (en) |
| YU (1) | YU32900B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3122544A1 (en) * | 1981-06-05 | 1982-12-30 | Siemens AG, 1000 Berlin und 8000 München | Process and apparatus for etching through-holes in glass sheets |
| DE4115500C2 (en) * | 1991-05-11 | 1994-07-14 | Schott Glaswerke | Process for the production of decorated glass ceramic articles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1375282A (en) * | 1962-09-17 | 1964-10-16 | Pittsburgh Plate Glass Co | Process for treating a glass article based on soda and lime |
-
1969
- 1969-06-25 GB GB3214969A patent/GB1274731A/en not_active Expired
- 1969-08-27 BE BE738014D patent/BE738014A/xx not_active IP Right Cessation
- 1969-08-27 FR FR6929405A patent/FR2017869B1/fr not_active Expired
- 1969-09-04 FI FI254269A patent/FI50329C/en active
- 1969-09-04 NO NO354769A patent/NO123718B/no unknown
- 1969-09-10 ES ES371393A patent/ES371393A1/en not_active Expired
- 1969-09-10 CH CH1368069A patent/CH520629A/en not_active IP Right Cessation
- 1969-09-11 YU YU232969A patent/YU32900B/en unknown
- 1969-09-11 AT AT863569A patent/AT299469B/en not_active IP Right Cessation
- 1969-09-12 DE DE19691946378 patent/DE1946378A1/en active Pending
- 1969-09-12 NL NL6913962A patent/NL6913962A/xx unknown
- 1969-09-12 CA CA061,917A patent/CA945374A/en not_active Expired
- 1969-09-12 BG BG1300769A patent/BG20553A3/xx unknown
- 1969-09-12 CS CS622069A patent/CS175407B2/cs unknown
-
1971
- 1971-07-14 ES ES393253A patent/ES393253A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1946378A1 (en) | 1970-05-27 |
| FI50329C (en) | 1976-02-10 |
| BE738014A (en) | 1970-02-27 |
| CH520629A (en) | 1972-03-31 |
| FR2017869B1 (en) | 1973-12-07 |
| CS175407B2 (en) | 1977-05-31 |
| YU32900B (en) | 1975-10-31 |
| NO123718B (en) | 1972-01-03 |
| FI50329B (en) | 1975-10-31 |
| CA945374A (en) | 1974-04-16 |
| ES371393A1 (en) | 1972-01-01 |
| NL6913962A (en) | 1970-03-16 |
| FR2017869A1 (en) | 1970-05-22 |
| AT299469B (en) | 1972-06-26 |
| BG20553A3 (en) | 1975-12-05 |
| GB1274731A (en) | 1972-05-17 |
| YU232969A (en) | 1975-04-30 |
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