GB1183459A - Titanium Dioxide Pigments - Google Patents
Titanium Dioxide PigmentsInfo
- Publication number
- GB1183459A GB1183459A GB3776268A GB3776268A GB1183459A GB 1183459 A GB1183459 A GB 1183459A GB 3776268 A GB3776268 A GB 3776268A GB 3776268 A GB3776268 A GB 3776268A GB 1183459 A GB1183459 A GB 1183459A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tio2
- titanium dioxide
- dioxide pigments
- h2so4
- al2o3
- 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
- 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
- C09C1/3607—Titanium dioxide
- C09C1/3653—Treatment with inorganic compounds
- C09C1/3661—Coating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/02—Particle morphology depicted by an image obtained by optical microscopy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
1,183,459. Coated TiO2. E.I. DU PONT DE NEMOURS & CO. 7 Aug., 1968 [14 Aug., 1967], No. 37762/68. Heading C1N. Pigmentary TiO2 is coated first with 5-15% Al2O3, and then with 3-10% SiO2, by wt. of the TiO2. A further layer of up to 0À2% Al2O3 may be provided. Coating may be effected by adding NaAlO3 to a slurry of TiO2 at 60‹ C. while maintaining a pH of 7-8 with H2SO4, then adding Na2SiO3 at 90‹ C., neutralizing with H2SO4, adding Al2(SO4)3, filtering, washing, drying, and milling at a steam/pigment ratio of 3. The TiO2 may be anatase or rutile, and may be made by the sulphate or chloride process.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66026367A | 1967-08-14 | 1967-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1183459A true GB1183459A (en) | 1970-03-04 |
Family
ID=24648778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3776268A Expired GB1183459A (en) | 1967-08-14 | 1968-08-07 | Titanium Dioxide Pigments |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1792266A1 (en) |
GB (1) | GB1183459A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3928057A (en) * | 1974-05-30 | 1975-12-23 | Du Pont | TiO{HD 2 {B Pigment coated with porous alumina/silica and dense silica |
GB8712752D0 (en) * | 1987-05-30 | 1987-07-01 | Tioxide Group Plc | Particulate material |
-
1968
- 1968-08-07 GB GB3776268A patent/GB1183459A/en not_active Expired
- 1968-08-13 DE DE19681792266 patent/DE1792266A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1792266A1 (en) | 1971-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
414F | Notice of opposition given (sect. 14/1949) | ||
414E | Application relinquished (sect. 14/1949) | ||
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |