JPS57167357A - Production of titanium dioxide pigment - Google Patents
Production of titanium dioxide pigmentInfo
- Publication number
- JPS57167357A JPS57167357A JP5269381A JP5269381A JPS57167357A JP S57167357 A JPS57167357 A JP S57167357A JP 5269381 A JP5269381 A JP 5269381A JP 5269381 A JP5269381 A JP 5269381A JP S57167357 A JPS57167357 A JP S57167357A
- Authority
- JP
- Japan
- Prior art keywords
- titanium dioxide
- resulting
- alumina
- terms
- particles
- 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.)
- Granted
Links
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
PURPOSE: To obtain a titanium dioxide pigment having excellent whiteness and light resistance, by coating titanium dioxide particles with specified amounts of hydrated antimony oxide and then an alumina/silica coprecipitate in turn, and calcining the resulting particles.
CONSTITUTION: A water-soluble antimong compd. is added to an aq. slurry of titanium dioxide. The resulting slurry is neutralized to coat the titanium dioxide particles with less than 1% (in terms of Sb2O3 based on the weight of titanium dioxide) hydrated antimony oxide. Then there are added a water-soluble aluminum compd. and a water-soluble silicon compd. The resulting mixture is neutralized to coated the titanium dioxide particles with an alumina/silica coprecipitate in an amount of 2W6% (in terms of Al2O3) alumina and 2W6(in terms of SiO2) silica, each based on the weight of titanium dioxide. The resulting coated titanium dioxide is recovered from the aq. slurry, and calcined at 400W800lto obtain the desired titanim dioxide pigment.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5269381A JPS57167357A (en) | 1981-04-08 | 1981-04-08 | Production of titanium dioxide pigment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5269381A JPS57167357A (en) | 1981-04-08 | 1981-04-08 | Production of titanium dioxide pigment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57167357A true JPS57167357A (en) | 1982-10-15 |
JPH0251944B2 JPH0251944B2 (en) | 1990-11-09 |
Family
ID=12921960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5269381A Granted JPS57167357A (en) | 1981-04-08 | 1981-04-08 | Production of titanium dioxide pigment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57167357A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02194064A (en) * | 1989-01-20 | 1990-07-31 | Teika Corp | Antimony-containing minute titanium dioxide powder |
JPH02214783A (en) * | 1989-02-15 | 1990-08-27 | Teika Corp | Pigment of titanium dioxide and production thereof |
JP2003112923A (en) * | 2001-10-01 | 2003-04-18 | Catalysts & Chem Ind Co Ltd | Reformed titanium oxide particle |
JP2006182896A (en) * | 2004-12-27 | 2006-07-13 | Sakai Chem Ind Co Ltd | Surface-coated titanium dioxide pigment |
-
1981
- 1981-04-08 JP JP5269381A patent/JPS57167357A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02194064A (en) * | 1989-01-20 | 1990-07-31 | Teika Corp | Antimony-containing minute titanium dioxide powder |
JPH02214783A (en) * | 1989-02-15 | 1990-08-27 | Teika Corp | Pigment of titanium dioxide and production thereof |
JP2003112923A (en) * | 2001-10-01 | 2003-04-18 | Catalysts & Chem Ind Co Ltd | Reformed titanium oxide particle |
JP2006182896A (en) * | 2004-12-27 | 2006-07-13 | Sakai Chem Ind Co Ltd | Surface-coated titanium dioxide pigment |
Also Published As
Publication number | Publication date |
---|---|
JPH0251944B2 (en) | 1990-11-09 |
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