GB1492745A - Impregnation of dielectric materials and liquids therefor - Google Patents

Impregnation of dielectric materials and liquids therefor

Info

Publication number
GB1492745A
GB1492745A GB1195/74A GB119574A GB1492745A GB 1492745 A GB1492745 A GB 1492745A GB 1195/74 A GB1195/74 A GB 1195/74A GB 119574 A GB119574 A GB 119574A GB 1492745 A GB1492745 A GB 1492745A
Authority
GB
United Kingdom
Prior art keywords
dielectric materials
impregnation
therefor
liquids
liquids therefor
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
GB1195/74A
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.)
ERA Patents Ltd
Original Assignee
ERA Patents Ltd
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 ERA Patents Ltd filed Critical ERA Patents Ltd
Priority to GB1195/74A priority Critical patent/GB1492745A/en
Priority to IT47563/75A priority patent/IT1026262B/en
Priority to DE19752500517 priority patent/DE2500517A1/en
Priority to SE7500155A priority patent/SE398792B/en
Priority to CH14875A priority patent/CH616525A5/en
Priority to FR7500536A priority patent/FR2258694A1/fr
Priority to JP50005524A priority patent/JPS50101850A/ja
Publication of GB1492745A publication Critical patent/GB1492745A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
    • H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
    • H01G4/221—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C3/00—Reproduction or duplicating of printing formes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
    • H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
    • H01G4/221—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant
    • H01G4/222—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated characterised by the composition of the impregnant halogenated
    • 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
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/042—Epoxides
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Organic Insulating Materials (AREA)
  • Lubricants (AREA)

Abstract

A mixture of dibutyl phthalate and dodecylbenzene in a ratio by volume of from 9:1 to 2.5:7.5 gives an electroinsulating liquid impregnant. It is suitable for impregnating dielectric materials made from plastics, in particular from polyolefin film, for the production of capacitors.
GB1195/74A 1974-01-10 1974-01-10 Impregnation of dielectric materials and liquids therefor Expired GB1492745A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1195/74A GB1492745A (en) 1974-01-10 1974-01-10 Impregnation of dielectric materials and liquids therefor
IT47563/75A IT1026262B (en) 1974-01-10 1975-01-08 LIQUID IMPREGNATING AGENT AND DIELECTRIC MATERIAL PRODUCED WITH IT
DE19752500517 DE2500517A1 (en) 1974-01-10 1975-01-08 IMPREGNANT FOR THE SOLID LAYERS OF A DIELECTRIC IN A WINDING CAPACITOR
SE7500155A SE398792B (en) 1974-01-10 1975-01-08 ELECTRICALLY INSULATIVE LIQUID IMPREGNANT SUITABLE FOR IMPREGNATION OF SOLID LAYERS OF DIELECTRIC MATERIAL, WHICH IMPREGNANT INCLUDES A MIXTURE OF DIBUTYLENE PHLTHALATE ...
CH14875A CH616525A5 (en) 1974-01-10 1975-01-08 Electroinsulating liquid impregnant
FR7500536A FR2258694A1 (en) 1974-01-10 1975-01-09
JP50005524A JPS50101850A (en) 1974-01-10 1975-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1195/74A GB1492745A (en) 1974-01-10 1974-01-10 Impregnation of dielectric materials and liquids therefor

Publications (1)

Publication Number Publication Date
GB1492745A true GB1492745A (en) 1977-11-23

Family

ID=9717831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1195/74A Expired GB1492745A (en) 1974-01-10 1974-01-10 Impregnation of dielectric materials and liquids therefor

Country Status (7)

Country Link
JP (1) JPS50101850A (en)
CH (1) CH616525A5 (en)
DE (1) DE2500517A1 (en)
FR (1) FR2258694A1 (en)
GB (1) GB1492745A (en)
IT (1) IT1026262B (en)
SE (1) SE398792B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337760A (en) * 1998-05-26 1999-12-01 Gen Electric Thixotropic dielectric fluid for capacitors

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737863C2 (en) * 1977-08-23 1983-11-03 Robert Bosch Gmbh, 7000 Stuttgart Impregnated winding or stacked electrical capacitor
JPS62281318A (en) * 1986-05-29 1987-12-07 松下電器産業株式会社 Metallized film capacitor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337760A (en) * 1998-05-26 1999-12-01 Gen Electric Thixotropic dielectric fluid for capacitors
US6177031B1 (en) 1998-05-26 2001-01-23 General Electric Company Thixotropic dielectric fluid for capacitors
US6347033B1 (en) 1998-05-26 2002-02-12 General Electric Company Thixotropic dielectric fluid for capacitors
GB2337760B (en) * 1998-05-26 2003-04-02 Gen Electric Thixotropic dielectric fluid for capacitors

Also Published As

Publication number Publication date
JPS50101850A (en) 1975-08-12
IT1026262B (en) 1978-09-20
DE2500517A1 (en) 1975-07-17
SE398792B (en) 1978-01-16
CH616525A5 (en) 1980-03-31
FR2258694A1 (en) 1975-08-18
SE7500155L (en) 1975-07-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee