GB527070A - Improvements in or relating to liquid compositions suitable for electrical insulation - Google Patents
Improvements in or relating to liquid compositions suitable for electrical insulationInfo
- Publication number
- GB527070A GB527070A GB1002039A GB1002039A GB527070A GB 527070 A GB527070 A GB 527070A GB 1002039 A GB1002039 A GB 1002039A GB 1002039 A GB1002039 A GB 1002039A GB 527070 A GB527070 A GB 527070A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- mixture
- triphenyl phosphate
- ortho
- freezing point
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
527,070. Insulation. ARNOLD, M. H. M. and IMPERIAL CHEMICAL INDUSTRIES, Ltd. March 30, 1939, No. 10020. [Class 36] An insulating liquid, suitable for switches and transformers, comprises one or more tolyl diphenyl phosphates and triphenyl phosphate, the latter serving to lower the freezing point and viscosity of the resultant liquid, but not being present in sufficient amount to cause crystalformation. A freezing point of 14.5‹C. is obtained with a mixture of 27 per cent. by weight triphenyl phosphate with ortho tolyl diphenyl phosphate and one of 22 ‹C. with a mixture of 29 per cent. triphenyl phosphate with the metacompound. A mixture comprising about 10 per cent. triphenyl phosphate, 40 per cent. metacompound, and 50 per cent. ortho-compound has a freezing point of 0‹C. approximately. The Provisional Specification refers also to a mixture of 25 per cent. by weight of triphenyl phosphate with the para-compound, and to a mixture containing the ortho- and para-isomers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1002039A GB527070A (en) | 1939-03-30 | 1939-03-30 | Improvements in or relating to liquid compositions suitable for electrical insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1002039A GB527070A (en) | 1939-03-30 | 1939-03-30 | Improvements in or relating to liquid compositions suitable for electrical insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB527070A true GB527070A (en) | 1940-10-01 |
Family
ID=9959954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1002039A Expired GB527070A (en) | 1939-03-30 | 1939-03-30 | Improvements in or relating to liquid compositions suitable for electrical insulation |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB527070A (en) |
-
1939
- 1939-03-30 GB GB1002039A patent/GB527070A/en not_active Expired
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