CH103400A - Process for the production of a ceramic mass. - Google Patents
Process for the production of a ceramic mass.Info
- Publication number
- CH103400A CH103400A CH103400DA CH103400A CH 103400 A CH103400 A CH 103400A CH 103400D A CH103400D A CH 103400DA CH 103400 A CH103400 A CH 103400A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- ceramic mass
- mass
- parts
- ceramic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Description
Verfahren zur Herstellung einer keramischen Hasse. Gegenstand der vorliegenden Erfindung ist ein Verfahren zur Herstellung einer keramischen Masse, die hoch säurefest ist und grosse elektrische Isolierfähigkeit be sitzt. Gemäss der Erfindung wird im MTannenofen aus einem Gemisch von Kiesel säure mit einem natürlichen Fluorid und einem Doppelsilikat des Aluminiums unter Zusatz eines Flussmittels ein Schmelzfluss erzeugt, der aus 84 bis 78,5 % SiO2, 1,54 bis 1,47 % A12 0@, 5,85 bis 5,5 % Ca0, 1,18 bis 1,02 /a K20 und 7,
26 bis 18,5 % Na20 zusammengesetzt ist. Dies wird zum Bei spiel dadurch erreicht dass 100 Teile reiner Quarzsand mit möglichst 99 % Kieselsäure, 10 Teile Flussspat, 10 'feile Kalkfeldspat und 15 Teile Soda, alles (einst pulverisiert und gut durcheinander gemischt, bei zirka <B>1300'</B> C geschmolzen werden.
Durch däs Zusammenschmelzen von glei chen Teilen Fluss- und Feldspat mit dem Quarz wird bewirkt, dass der Schmelzfluss zu einer stein- oder porzellanartigen Masse erstarrt, die infolge des sehr hohen Kiesel säuregehaltes und sehr niedrigen Alkali- gehaltes hohe Säurefestigkeit und grosse elektrische Isolierfähigkeit aufweist. Um farbige Schmelzflüsse zu erhalten, kann man der Masse in bekannter Weise gewisse färbende Oxyde zusetzen; ganz rein weisse Massen erhält man durch Zusatz von Kryo- lith.
Die im Wannenofen erzeugte Masse wird in der in der Glastechnik üblichen Weise durch Pressen oder Blasen oder Pressen und Blasen weiter verarbeitet.
Method of making a ceramic hat. The present invention relates to a method for producing a ceramic mass which is highly acid-resistant and has great electrical insulation properties. According to the invention, a melt flow is generated in the M furnace from a mixture of silicic acid with a natural fluoride and a double silicate of aluminum with the addition of a flux which consists of 84 to 78.5% SiO2, 1.54 to 1.47% A12 0 @ , 5.85 to 5.5% Ca0, 1.18 to 1.02 / a K20 and 7,
26 to 18.5% Na20 is composed. This is achieved, for example, by using 100 parts of pure quartz sand with 99% silica if possible, 10 parts of fluorspar, 10 parts of lime feldspar and 15 parts of soda, everything (once pulverized and mixed well, at around <B> 1300 '</ B > C are melted.
The melting of the same parts of fluoro and feldspar with the quartz causes the melt to solidify into a stone or porcelain-like mass which, due to its very high silica and very low alkali content, has high acid resistance and great electrical insulation properties. To obtain colored melt flows, certain coloring oxides can be added to the mass in a known manner; very pure white masses are obtained by adding cryolite.
The mass produced in the furnace is further processed in the usual way in glass technology by pressing or blowing or pressing and blowing.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH103400T | 1922-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH103400A true CH103400A (en) | 1924-02-01 |
Family
ID=4362145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH103400D CH103400A (en) | 1922-11-13 | 1922-11-13 | Process for the production of a ceramic mass. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH103400A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2443318A (en) * | 1944-08-18 | 1948-06-15 | Dentists Supply Co | Porcelain type denture composition and method of preparing the same |
-
1922
- 1922-11-13 CH CH103400D patent/CH103400A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2443318A (en) * | 1944-08-18 | 1948-06-15 | Dentists Supply Co | Porcelain type denture composition and method of preparing the same |
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