GB2044792B - Synthetic hydrocarbons particularly suitable as dielectric insulating fluids - Google Patents

Synthetic hydrocarbons particularly suitable as dielectric insulating fluids

Info

Publication number
GB2044792B
GB2044792B GB8003606A GB8003606A GB2044792B GB 2044792 B GB2044792 B GB 2044792B GB 8003606 A GB8003606 A GB 8003606A GB 8003606 A GB8003606 A GB 8003606A GB 2044792 B GB2044792 B GB 2044792B
Authority
GB
United Kingdom
Prior art keywords
particularly suitable
dielectric insulating
synthetic hydrocarbons
insulating fluids
hydrocarbons particularly
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
Application number
GB8003606A
Other languages
English (en)
Other versions
GB2044792A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caffaro SpA
Original Assignee
Caffaro SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Caffaro SpA filed Critical Caffaro SpA
Publication of GB2044792A publication Critical patent/GB2044792A/en
Application granted granted Critical
Publication of GB2044792B publication Critical patent/GB2044792B/en
Expired legal-status Critical Current

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
    • H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
    • H01B3/22—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
    • C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/861—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only halogen as hetero-atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/02—Well-defined aliphatic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/02—Well-defined aliphatic compounds
    • C10M2203/022—Well-defined aliphatic compounds saturated
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/02—Well-defined aliphatic compounds
    • C10M2203/024—Well-defined aliphatic compounds unsaturated
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/16—Dielectric; Insulating oil or insulators
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/17—Electric or magnetic purposes for electric contacts
GB8003606A 1979-02-09 1980-02-04 Synthetic hydrocarbons particularly suitable as dielectric insulating fluids Expired GB2044792B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20101/79A IT1113015B (it) 1979-02-09 1979-02-09 Idrocarburi sintetici,particolarmente atti come fluidi isolanti dielettrici

Publications (2)

Publication Number Publication Date
GB2044792A GB2044792A (en) 1980-10-22
GB2044792B true GB2044792B (en) 1983-03-16

Family

ID=11163803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003606A Expired GB2044792B (en) 1979-02-09 1980-02-04 Synthetic hydrocarbons particularly suitable as dielectric insulating fluids

Country Status (4)

Country Link
DE (1) DE3003256C2 (nl)
FR (1) FR2448520A1 (nl)
GB (1) GB2044792B (nl)
IT (1) IT1113015B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201721A1 (de) * 1981-01-30 1982-08-19 F. Hoffmann-La Roche & Co. AG, 4002 Basel Disubstituierte aethane
US4583826A (en) * 1981-10-14 1986-04-22 Hoffmann-La Roche Inc. Phenylethanes
US4528114A (en) * 1981-12-18 1985-07-09 Hoffmann-La Roche Inc. Acetylenes
DE19636457A1 (de) * 1996-09-07 1998-03-19 Jeannette Bastian Kombination von aufeinander abgestimmten Maßnahmen zur Verbesserung der Wärmeumwälzkühlung in elektrischen Transformatoren, insbesondere solchen mit Wellblechkühlrippen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263448A (en) * 1938-09-15 1941-11-18 Dow Chemical Co Poly-cyclohexyl-diphenyls
US2233964A (en) * 1938-10-22 1941-03-04 Dow Chemical Co Cyclohexylated diphenyl-benzenes
GB1184022A (en) * 1968-02-27 1970-03-11 British Petroleum Co Process for the Preparation of Cyclo-Alkyl Aromatics
JPS532158B2 (nl) * 1973-06-20 1978-01-25

Also Published As

Publication number Publication date
FR2448520B1 (nl) 1984-10-19
DE3003256A1 (de) 1980-08-14
GB2044792A (en) 1980-10-22
FR2448520A1 (fr) 1980-09-05
DE3003256C2 (de) 1982-12-16
IT1113015B (it) 1986-01-20
IT7920101A0 (it) 1979-02-09

Similar Documents

Publication Publication Date Title
JPS5556621A (en) Nonnlinear dielectric element
GB2029444B (en) Dapacitors having dielectric fluid
JPS5674917A (en) Nonnlinear dielectric element
AU522603B2 (en) Dielectric fluids
GB2044792B (en) Synthetic hydrocarbons particularly suitable as dielectric insulating fluids
GB2048937B (en) Liquid hydrocarbons
JPS52133600A (en) Electric insulating oil composition
JPS5750708A (en) Electric insulating oil
JPS572222A (en) Aromatic hydrocarbon manufacture
JPS5335200A (en) Insulating oil
JPS5298998A (en) Electric insulating oil composition
JPS5293999A (en) Electric insulating oil composition
GB2039829B (en) Insulating block
JPS5590021A (en) Multiple dielectric insulator
JPS55108103A (en) Conductive materaial
JPS55128208A (en) Novel liquid dielectric
JPS5636805A (en) Electric insulating oil
JPS5297200A (en) Electric insulating oil composition
JPS55157680A (en) Petroleum desulfurization
JPS5625313A (en) Electric device insulated by fluid insulating medium
DE2965961D1 (en) Insulating oil compositions
AU524565B2 (en) Dielectric fluids
JPS5533799A (en) Synthetic insulating paper
NZ195522A (en) Electrical structure insulated with synthetic paper and insulating oil
JPS55163704A (en) Electrically insulating oil

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee