BR9908003A - Pure titanium dioxide hydrate and process for producing it - Google Patents
Pure titanium dioxide hydrate and process for producing itInfo
- Publication number
- BR9908003A BR9908003A BR9908003-6A BR9908003A BR9908003A BR 9908003 A BR9908003 A BR 9908003A BR 9908003 A BR9908003 A BR 9908003A BR 9908003 A BR9908003 A BR 9908003A
- Authority
- BR
- Brazil
- Prior art keywords
- titanium dioxide
- calculated
- producing
- suspension
- dioxide hydrate
- Prior art date
Links
- IYVLHQRADFNKAU-UHFFFAOYSA-N oxygen(2-);titanium(4+);hydrate Chemical compound O.[O-2].[O-2].[Ti+4] IYVLHQRADFNKAU-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 229910001413 alkali metal ion Inorganic materials 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 239000008367 deionised water Substances 0.000 abstract 1
- 229910021641 deionized water Inorganic materials 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
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
- C01G23/0475—Purification
-
- 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
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
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)
Abstract
"HIDRATO DE DIóXIDO DE TITâNIO PURO E PROCESSO PARA A PRODUçãO DO MESMO". Hidrato de dióxido de titânio que contém uma proporção inferior a 250 ppm de íons de sulfato e inferior a 50 ppm de íons amónio ou de metal alcalino, calculadas com base em TiO~ 2~, é obtido produzindo-se uma suspensão aquosa com hidrato de dióxido de titânio contendo sulfato, tendo de 2 a 18% em peso, de preferência de 5 a 15 % em peso de sólidos, calculados como TiO~ 2~, sendo o teor de sulfato da suspensão determinado em forma de H~ 2~S0~ 4~. 95 a 100,1 % molar da quantidade estequiométrica de amónia ou de hidróxido de metal alcalino necessária para a neutralização da quantidade calculada de H~ 2~S0~ 4~ são acrescentados com agitação, sendo a suspensão filtrada depois de um período de agitação de 5 a 60 minutos, de preferência de 10 a 30 minutos, e lavada com água com baixo teor de sais, de preferência desionizada, conduzindo-se em seguida uma lavagem por difusão com água desionizada efetuada a uma pressão de 300 a 500 kPa."PURE TITANIUM DIOXIDE HYDRATE AND PROCESS FOR THE PRODUCTION OF THE SAME". Titanium dioxide hydrate containing less than 250 ppm of sulfate ions and less than 50 ppm of ammonium or alkali metal ions, calculated on the basis of TiO ~ 2 ~, is obtained by producing an aqueous suspension with hydrate of titanium dioxide containing sulfate, having from 2 to 18% by weight, preferably from 5 to 15% by weight of solids, calculated as TiO ~ 2 ~, the sulfate content of the suspension being determined in the form of H ~ 2 ~ SO ~ 4 ~. 95 to 100.1 mol% of the stoichiometric amount of ammonia or alkali metal hydroxide required to neutralize the calculated amount of H ~ 2 ~ S0 ~ 4 ~ are added with stirring, the suspension being filtered after a stirring period of 5 to 60 minutes, preferably 10 to 30 minutes, and washed with water with low salt content, preferably deionized, followed by a diffusion wash with deionized water carried out at a pressure of 300 to 500 kPa.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19806471A DE19806471A1 (en) | 1998-02-17 | 1998-02-17 | Pure titanium dioxide hydrate and process for its production |
| PCT/IB1999/000272 WO1999041200A1 (en) | 1998-02-17 | 1999-02-16 | Pure titanium dioxide hydrate and a process for the production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9908003A true BR9908003A (en) | 2001-11-06 |
Family
ID=7857971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9908003-6A BR9908003A (en) | 1998-02-17 | 1999-02-16 | Pure titanium dioxide hydrate and process for producing it |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP1060127A1 (en) |
| JP (1) | JP2002503620A (en) |
| KR (1) | KR20010072550A (en) |
| CN (1) | CN1291168A (en) |
| AU (1) | AU742966B2 (en) |
| BR (1) | BR9908003A (en) |
| CA (1) | CA2321250A1 (en) |
| DE (1) | DE19806471A1 (en) |
| MY (1) | MY133018A (en) |
| NO (1) | NO20004103L (en) |
| PL (1) | PL342451A1 (en) |
| WO (1) | WO1999041200A1 (en) |
| ZA (1) | ZA991226B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002047012A (en) * | 2000-07-31 | 2002-02-12 | Sumitomo Chem Co Ltd | Method for producing titanium oxide |
| US6726891B2 (en) | 2000-07-31 | 2004-04-27 | Sumitomo Chemical Company, Limited | Titanium oxide production process |
| CA2458028A1 (en) | 2001-08-22 | 2003-03-06 | Shell Internationale Research Maatschappij B.V. | Purification of titania |
| EP1541638A4 (en) | 2002-08-07 | 2010-06-16 | Ishihara Sangyo Kaisha | Titanium dioxide pigment and method for producing the same, and resin composition using the same |
| DE10303287A1 (en) * | 2003-01-28 | 2004-07-29 | Sachtleben Chemie Gmbh | Improving filter cake neutralization in titanium dioxide production by sulfate process, involves using a basic-reacting solution or suspension in the membrane chamber filter press |
| DE102004020213A1 (en) * | 2004-04-22 | 2005-11-24 | Kerr-Mcgee Pigments Gmbh | Composition for chemical mechanical polishing (CMP) |
| JP6286395B2 (en) * | 2015-08-05 | 2018-02-28 | 太陽インキ製造株式会社 | Curable resin composition, dry film, cured product and printed wiring board |
| TW201940615A (en) * | 2014-12-26 | 2019-10-16 | 日商太陽油墨製造股份有限公司 | Curable resin composition, dry film, cured product and printed circuit board |
| DE102016110374A1 (en) * | 2016-06-06 | 2017-12-07 | Huntsman P&A Germany Gmbh | Titanium dioxide sol, process for its preparation and products derived therefrom |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518053A (en) * | 1968-04-16 | 1970-06-30 | Nat Lead Co | Method for producing an improved titanium dioxide pigment |
| DE2423983C3 (en) * | 1974-05-17 | 1978-09-07 | Bayer Antwerpen N.V., Antwerpen (Belgien) | Process for the preparation of aqueous titanium dioxide hydrate suspensions by pressure filtration |
-
1998
- 1998-02-17 DE DE19806471A patent/DE19806471A1/en not_active Ceased
-
1999
- 1999-02-12 MY MYPI99000511A patent/MY133018A/en unknown
- 1999-02-16 JP JP2000531403A patent/JP2002503620A/en active Pending
- 1999-02-16 WO PCT/IB1999/000272 patent/WO1999041200A1/en not_active Ceased
- 1999-02-16 EP EP99902739A patent/EP1060127A1/en not_active Withdrawn
- 1999-02-16 ZA ZA9901226A patent/ZA991226B/en unknown
- 1999-02-16 BR BR9908003-6A patent/BR9908003A/en not_active IP Right Cessation
- 1999-02-16 CA CA002321250A patent/CA2321250A1/en not_active Abandoned
- 1999-02-16 CN CN99803046A patent/CN1291168A/en active Pending
- 1999-02-16 KR KR1020007009010A patent/KR20010072550A/en not_active Withdrawn
- 1999-02-16 AU AU22938/99A patent/AU742966B2/en not_active Ceased
- 1999-02-16 PL PL99342451A patent/PL342451A1/en unknown
-
2000
- 2000-08-16 NO NO20004103A patent/NO20004103L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2293899A (en) | 1999-08-30 |
| DE19806471A1 (en) | 1999-08-19 |
| KR20010072550A (en) | 2001-07-31 |
| CA2321250A1 (en) | 1999-08-19 |
| JP2002503620A (en) | 2002-02-05 |
| ZA991226B (en) | 2000-08-16 |
| EP1060127A1 (en) | 2000-12-20 |
| PL342451A1 (en) | 2001-06-04 |
| AU742966B2 (en) | 2002-01-17 |
| WO1999041200A1 (en) | 1999-08-19 |
| NO20004103D0 (en) | 2000-08-16 |
| CN1291168A (en) | 2001-04-11 |
| NO20004103L (en) | 2000-10-16 |
| MY133018A (en) | 2007-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A,6A E 7A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1855 DE 25/07/2006. |