GB473312A - Improvements in or relating to the manufacture of titanium pigments - Google Patents
Improvements in or relating to the manufacture of titanium pigmentsInfo
- Publication number
- GB473312A GB473312A GB1058936A GB1058936A GB473312A GB 473312 A GB473312 A GB 473312A GB 1058936 A GB1058936 A GB 1058936A GB 1058936 A GB1058936 A GB 1058936A GB 473312 A GB473312 A GB 473312A
- Authority
- GB
- United Kingdom
- Prior art keywords
- titanium
- antimony
- calcination
- pigments
- acid
- 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
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/08—Drying; Calcining ; After treatment of titanium oxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
White titanium pigments are prepared by the calcination of a mixture of precipitated and washed hydrated titanium oxide with an amount of an antimony compound corresponding to less than ,1 per cent of antimony, calculated on the titanium dioxide content. The antimony may be added as antimony trioxide or as tartar emetic, and at any time prior to the calcination, i.e. to the titanium hydrate pulp, to the titanium solution before precipitation of the titanium hydrate, or to the titanium ore before dissolving in acid. Other "conditioning agents" such as phosphoric acid, phosphates, fluorine compounds, soluble alkali metal compounds, boric acid and borates, and also extenders such as barium or calcium sulphate, may be present. White pigments are thus obtained which may have a pure neutral tone or a slightly bluish tone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1058936A GB473312A (en) | 1936-04-09 | 1936-04-09 | Improvements in or relating to the manufacture of titanium pigments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1058936A GB473312A (en) | 1936-04-09 | 1936-04-09 | Improvements in or relating to the manufacture of titanium pigments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB473312A true GB473312A (en) | 1937-10-11 |
Family
ID=9970610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1058936A Expired GB473312A (en) | 1936-04-09 | 1936-04-09 | Improvements in or relating to the manufacture of titanium pigments |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB473312A (en) |
-
1936
- 1936-04-09 GB GB1058936A patent/GB473312A/en not_active Expired
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