DE289102C - - Google Patents
Info
- Publication number
- DE289102C DE289102C DENDAT289102D DE289102DA DE289102C DE 289102 C DE289102 C DE 289102C DE NDAT289102 D DENDAT289102 D DE NDAT289102D DE 289102D A DE289102D A DE 289102DA DE 289102 C DE289102 C DE 289102C
- Authority
- DE
- Germany
- Prior art keywords
- zirconium
- water
- alkali
- enamels
- production
- 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.)
- Active
Links
- 239000003513 alkali Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 210000003298 Dental Enamel Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000003605 opacifier Substances 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N Silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 150000003755 zirconium compounds Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 description 3
- 241000004176 Alphacoronavirus Species 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N Tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/04—Opacifiers, e.g. fluorides or phosphates; Pigments
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
- ΛΙ 289102-KLASSE 48 c. GRUPPE 1. - ΛΙ 289102- CLASS 48 c. GROUP 1.
VEREINIGTE CHEMISCHE FABRIKEN LANDAU, KREIDL, HELLER & CO. in WIEN.UNITED CHEMICAL FACTORY LANDAU, KREIDL, HELLER & CO. in Vienna.
Verfahren zur Herstellung weißer Emaillen unter Verwendung von MetalloxydhydratProcess for the production of white enamels using metal oxide hydrate
als Trübungsmittel.as an opacifier.
Patentiert im Deutschen Reiche vom 3. Oktober 1911 ab.Patented in the German Empire on October 3, 1911.
Für diese Anmeldung ist bei der Prüfung gemäß dem Unionsvertrage vom —For this registration, the examination according to the Union Treaty of -
20. März 1883March 20, 1883
14. Dezember 1900 auf Grund der Anmeldung in Österreich vom 30. September 1911 anerkannt.Recognized on December 14, 1900 on the basis of the registration in Austria on September 30, 1911.
die Prioritätthe priority
Als Trübungsmittel für Emaillen u. dgl. werden an Stelle des Zinnoxyds Oxyde und
kieselsäurehaltige Verbindungen des Zirkoniums, und zwar in wasserfreier oder in wasserhaltiger
Form verwendet. Die vorliegende Erfindung beruht auf der Feststellung, daß die für Trübungszwecke geeigneten wasserhaltigen
Zirkonverbindungen den bisher verwendeten Verbindungen in der Wirkung überlegen
sind, wenn sie eine geringe Menge Alkali enthalten, wobei aber die trübende Wirkung
nicht an eine alkaliarme Verbindung bestimmter Zusammensetzung gebunden ist.
Ein zur Herstellung von alkalihaltigem Zirkonhydrooxyd z. B. geeignetes Verfahren besteht
dann, daß aus den Zirkonaten, welche beispielsweise durch vollständigen Aufschluß
des Zirkons mittels Alkalien o. dgl. oder aus dem Zirkonoxyd durch Behandeln mit Alkalien
o. dgl. erhalten werden, das gebundene Alkali teilweise mittels Wassers, schwacher Säuren
oder Salze entfernt und der hydratische Rückstand getrocknet wird.As opacifiers for enamels and the like, oxides and silicic acid-containing compounds of zirconium are used in place of tin oxide, either in water-free or water-containing form. The present invention is based on the discovery that the water-containing zirconium compounds suitable for opacification purposes are superior to the compounds used hitherto in the effect when they contain a small amount of alkali, but the opacifying effect is not linked to a low-alkali compound of a certain composition.
A for the production of alkaline zirconium z. B. a suitable method consists in that from the zirconates, which are obtained, for example, by complete decomposition of the zirconium by means of alkalis or the like or from the zirconium oxide by treatment with alkalis or the like, the bound alkali partially by means of water, weak acids or Salts are removed and the hydrate residue is dried.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE289102C true DE289102C (en) |
Family
ID=544159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT289102D Active DE289102C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE289102C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8770899B2 (en) | 2007-01-29 | 2014-07-08 | Sandvik Intellectual Property Ab | Counterbalanced boring tool with clamping device |
-
0
- DE DENDAT289102D patent/DE289102C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8770899B2 (en) | 2007-01-29 | 2014-07-08 | Sandvik Intellectual Property Ab | Counterbalanced boring tool with clamping device |
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