GB725053A - Production of impermeable bodies of graphite - Google Patents
Production of impermeable bodies of graphiteInfo
- Publication number
- GB725053A GB725053A GB15016/53A GB1501653A GB725053A GB 725053 A GB725053 A GB 725053A GB 15016/53 A GB15016/53 A GB 15016/53A GB 1501653 A GB1501653 A GB 1501653A GB 725053 A GB725053 A GB 725053A
- Authority
- GB
- United Kingdom
- Prior art keywords
- graphite
- liquid medium
- graphitic acid
- impregnated
- salt
- 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
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained by impregnation of carbon products with a carbonisable material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
A body of graphite impermeable to liquids and gases is prepared by treating at least a part of the surface of an artificially produced graphite body with graphitic acid, or a salt thereof with a volatile base, in a liquid medium, evaporating off the liquid medium, and converting the graphitic acid or salt to graphite. The liquid medium, for example water, may contain 0.1 to 3 per cent of graphitic acid as a solution, sol or emulsion. The conversion to graphite may be carried out at a temperature between 130 and 200 DEG C., preferably in a reducing atmosphere, for example in hydrazine vapour. The initial graphite body may be produced by compressing carbon powder followed by a heat treatment. The body may be machined either before or after treatment with graphitic acid, preferably before the conversion to graphite. Parts of the graphite body not impregnated with graphite may be impregnated with other substances, for example copper, to facilitate soldering to metal parts.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE725053X | 1952-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB725053A true GB725053A (en) | 1955-03-02 |
Family
ID=6634847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15016/53A Expired GB725053A (en) | 1952-05-31 | 1953-05-29 | Production of impermeable bodies of graphite |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB725053A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3104159A (en) * | 1958-11-21 | 1963-09-17 | Gen Electric Co Ltd | Production of graphite |
| US3391030A (en) * | 1964-07-28 | 1968-07-02 | Monsanto Res Corp | Graphite containing segmented theremoelement and method of molding same |
-
1953
- 1953-05-29 GB GB15016/53A patent/GB725053A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3104159A (en) * | 1958-11-21 | 1963-09-17 | Gen Electric Co Ltd | Production of graphite |
| US3391030A (en) * | 1964-07-28 | 1968-07-02 | Monsanto Res Corp | Graphite containing segmented theremoelement and method of molding same |
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