GB861802A - Fibrous titanium dioxide and its production - Google Patents
Fibrous titanium dioxide and its productionInfo
- Publication number
- GB861802A GB861802A GB20479/59A GB2047959A GB861802A GB 861802 A GB861802 A GB 861802A GB 20479/59 A GB20479/59 A GB 20479/59A GB 2047959 A GB2047959 A GB 2047959A GB 861802 A GB861802 A GB 861802A
- Authority
- GB
- United Kingdom
- Prior art keywords
- melt
- titanium dioxide
- chloride
- titanium
- oxygen
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5264—Fibers characterised by the diameter of the fibers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Catalysts (AREA)
- Inorganic Fibers (AREA)
Abstract
Fibrous titanium dioxide having a fibre diameter of less than 25 microns and an axial ratio of at least 10 : 1 is prepared by reacting titanium tetrachloride, tetrabromide, or tetralodide with an oxygen containing gas in the presence of a metal chloride melt. The metal chloride is preferably an alkali or an alkaline earth metal chloride or a mixture thereof and the reaction is normally effected at 600-800 DEG C. The reactants may be fed separately to the melt; for example titanium tetrachloride may be passed into the metal halide melt which is then exposed to oxygen whereupon titanium dioxide fibres grow on the surface of the melt. Alternatively, the titanium tetrahalide/oxygen mixture may be passed over or through the melt. The titanium dioxide fibres may be separated from the melt by solution in water or other solvent for the metal halide and the suspension obtained may be filtered to obtain a mat or felt of titanium dioxide fibres. The aqueous or other suspensions may contain binders such as organic resins, sodium silicate, colloidal alumina or silica and the suspensions may also contain fillers such as silica, carbon, or asbestos. Examples refer to the use of potassium chloride and sodium chloride melts and mixtures thereof with lithium or calcium chlorides.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US861802XA | 1958-09-18 | 1958-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB861802A true GB861802A (en) | 1961-02-22 |
Family
ID=22196821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20479/59A Expired GB861802A (en) | 1958-09-18 | 1959-06-15 | Fibrous titanium dioxide and its production |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB861802A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5024827A (en) * | 1988-05-28 | 1991-06-18 | Tioxide Group, Plc | Fine particulate material |
-
1959
- 1959-06-15 GB GB20479/59A patent/GB861802A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5024827A (en) * | 1988-05-28 | 1991-06-18 | Tioxide Group, Plc | Fine particulate material |
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