GB1204601A - Acicular titanium dioxide pigment and methods for its preparation - Google Patents
Acicular titanium dioxide pigment and methods for its preparationInfo
- Publication number
- GB1204601A GB1204601A GB03319/68A GB1331968A GB1204601A GB 1204601 A GB1204601 A GB 1204601A GB 03319/68 A GB03319/68 A GB 03319/68A GB 1331968 A GB1331968 A GB 1331968A GB 1204601 A GB1204601 A GB 1204601A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rutile
- tio
- hpo
- sulphate
- hydrolysis
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/043—Drying, calcination
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Cosmetics (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
1,204,601. Acicular rutile TiO 2 . E. I. DU PONT DE NEMOURS & CO. 19 March, 1968 [21 March, 1967; 28 June, 1967], No. 13319/68. Heading C1N. Acicular rutile TiO 2 particles are prepared by calcining at 725-1000‹ C. for ¢-10 hrs. a mixture of (a) TiO 2 , (b) NaCl or a mixture of at least 50 mole per cent NaCl with at least one other alkali metal chloride or sulphate, and (c) an oxy-phosphorus compound, the wt. ratio of b : a being 0À05 : 1 to 2 : 1 and of b : c being 5 : 1 to 130 : 1 (based on the P content), then leaching the product to remove soluble salts. The product particles have a diameter of 0À01- 0À5 Á and a length: diameter ratio of 3 : 1 to 50 : 1. The other salt in (b) may be KCl, Na 2 SO 4 , or K 2 SO 4 , with minor amounts of Na or K bromides or iodides. (c) may be Na 3 PO 4 , Na 2 HPO 4 , NaH 2 PO 4 , Na 4 P 2 O 7 , NaPO 3 , Na 5 , P 3 O 10 , K 3 PO 4 , K 2 HPO 4 , KH 2 PO 4 , KPO 3 - H 3 PO 4 , H 3 PO 3 , H 4 P 2 O 5 , H 4 P 2 O 7 , HPO 3 , P 2 O 3 , P 2 O 5 , NH 4 H 2 PO 4 , (NH 4 ) 2 HPO 4 , or monocresyl phosphate. (a) may be (i) the rutile seed described in U.S. Specification 2,479,637 for use in sulphate hydrolysis, which may be partially dehydrated by freeze drying or heating at 110‹ C. or may be calcined at 500-700‹ C.; (ii) TiO 2 produced by sulphate hydrolysis using the rutile seed of (i), which TiO 2 is then washed, acid treated to remove Cr and V, dried at 110- 150‹ C. and calcined at 600-900‹ C. until 10-60% is rutile; (iii) a wholly anatase precipitate which converts to rutile on calcination; or (iv) a mixture of a nucleant rutile TiO 2 having a particle size of 0À01-0À2 Á obtained by pyrolytic TiCl 4 oxidation or by hydrolysis of TiCl 4 followed by calcination, and a less stable nutrient which may be anatase or rutile obtained by hydrolysis of Ti sulphate or chloride. (b) and (c) may be dried at 150‹ C. and ground, mixed well with (a) and pelleted. Calcining may be effected in air containing water vapour. The product is then leached with water, filtered, and dried at 150‹ C.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62471667A | 1967-03-21 | 1967-03-21 | |
US65598467A | 1967-06-28 | 1967-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1204601A true GB1204601A (en) | 1970-09-09 |
Family
ID=27089741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB03319/68A Expired GB1204601A (en) | 1967-03-21 | 1968-03-19 | Acicular titanium dioxide pigment and methods for its preparation |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1767021A1 (en) |
FI (1) | FI47458C (en) |
FR (1) | FR1561551A (en) |
GB (1) | GB1204601A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2308118A (en) * | 1995-12-15 | 1997-06-18 | Tioxide Group Services Ltd | Rutile titanium dioxide |
WO2008085475A1 (en) * | 2006-12-28 | 2008-07-17 | E.I. Du Pont De Nemours And Company | Processes for the flux calcination production of titanium dioxide |
CN115650287A (en) * | 2022-11-14 | 2023-01-31 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for controlling length-diameter ratio of rutile type titanium dioxide particles |
-
1968
- 1968-03-19 GB GB03319/68A patent/GB1204601A/en not_active Expired
- 1968-03-21 DE DE19681767021 patent/DE1767021A1/en active Pending
- 1968-03-21 FR FR1561551D patent/FR1561551A/fr not_active Expired
- 1968-03-21 FI FI680794A patent/FI47458C/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2308118A (en) * | 1995-12-15 | 1997-06-18 | Tioxide Group Services Ltd | Rutile titanium dioxide |
WO2008085475A1 (en) * | 2006-12-28 | 2008-07-17 | E.I. Du Pont De Nemours And Company | Processes for the flux calcination production of titanium dioxide |
AU2007342420B2 (en) * | 2006-12-28 | 2014-03-06 | E. I. Du Pont De Nemours And Company | Processes for the flux calcination production of titanium dioxide |
CN115650287A (en) * | 2022-11-14 | 2023-01-31 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for controlling length-diameter ratio of rutile type titanium dioxide particles |
Also Published As
Publication number | Publication date |
---|---|
FI47458B (en) | 1973-08-31 |
DE1767021A1 (en) | 1971-08-19 |
FR1561551A (en) | 1969-03-28 |
FI47458C (en) | 1973-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |