[go: up one dir, main page]

FR2458867B1 - LUBRICATION OF RECORDING MAGNETIC MATERIALS BY TELECHELIC FLUORINATED POLYMERS - Google Patents

LUBRICATION OF RECORDING MAGNETIC MATERIALS BY TELECHELIC FLUORINATED POLYMERS

Info

Publication number
FR2458867B1
FR2458867B1 FR8000201A FR8000201A FR2458867B1 FR 2458867 B1 FR2458867 B1 FR 2458867B1 FR 8000201 A FR8000201 A FR 8000201A FR 8000201 A FR8000201 A FR 8000201A FR 2458867 B1 FR2458867 B1 FR 2458867B1
Authority
FR
France
Prior art keywords
telechelic
lubrication
magnetic materials
recording magnetic
fluorinated polymers
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
FR8000201A
Other languages
French (fr)
Other versions
FR2458867A1 (en
Inventor
Douglas G Pedrotty
John G Chernega
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Priority to BE683325D priority Critical patent/BE683325A/fr
Priority claimed from US06/100,699 external-priority patent/US4267238A/en
Priority claimed from US06/100,700 external-priority patent/US4268556A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2458867A1 publication Critical patent/FR2458867A1/en
Application granted granted Critical
Publication of FR2458867B1 publication Critical patent/FR2458867B1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/72Protective coatings, e.g. anti-static or antifriction
    • G11B5/725Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G11B5/7253Fluorocarbon lubricant
    • G11B5/7257Perfluoropolyether lubricant
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06Perfluoro polymers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/042Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds between the nitrogen-containing monomer and an aldehyde or ketone
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/043Mannich bases
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/30Refrigerators lubricants or compressors lubricants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/32Wires, ropes or cables lubricants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/34Lubricating-sealants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/36Release agents or mold release agents
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/38Conveyors or chain belts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/40Generators or electric motors in oil or gas winning field
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/42Flashing oils or marking oils
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/44Super vacuum or supercritical use
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/50Medical uses
FR8000201A 1979-01-08 1980-01-07 LUBRICATION OF RECORDING MAGNETIC MATERIALS BY TELECHELIC FLUORINATED POLYMERS Expired FR2458867B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE683325D BE683325A (en) 1980-01-07 1966-06-29

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US144679A 1979-01-08 1979-01-08
US06/100,699 US4267238A (en) 1979-12-18 1979-12-18 Flexible magnetic recording media lubricated with fluorinated telechelic polyether polymer
US06/100,700 US4268556A (en) 1979-01-08 1979-12-18 Rigid magnetic recording disks lubricated with fluorinated telechelic polyether

Publications (2)

Publication Number Publication Date
FR2458867A1 FR2458867A1 (en) 1981-01-02
FR2458867B1 true FR2458867B1 (en) 1988-07-22

Family

ID=27356925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000201A Expired FR2458867B1 (en) 1979-01-08 1980-01-07 LUBRICATION OF RECORDING MAGNETIC MATERIALS BY TELECHELIC FLUORINATED POLYMERS

Country Status (5)

Country Link
AU (1) AU524438B2 (en)
BR (1) BR8000073A (en)
FR (1) FR2458867B1 (en)
GB (1) GB2042369B (en)
NL (1) NL189629C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1188635B (en) * 1986-03-27 1988-01-20 Ausimont Spa INTERNAL FLUOROPOLYEREE LUBRICANTS FOR MAGNETIC REGISTRATION MEDIA
JPS62236135A (en) * 1986-04-08 1987-10-16 Hitachi Maxell Ltd Magnetic recording medium
US5049410A (en) * 1989-11-01 1991-09-17 International Business Machines Corporation Lubricant film for a thin-film disk
EP0475393A1 (en) * 1990-09-11 1992-03-18 Daikin Industries, Limited Lubricant and grease composition for ceramic material
JP3319184B2 (en) * 1994-09-28 2002-08-26 ソニー株式会社 Lubricant and magnetic recording medium using the same

Also Published As

Publication number Publication date
GB2042369A (en) 1980-09-24
NL8000060A (en) 1980-07-10
AU524438B2 (en) 1982-09-16
BR8000073A (en) 1980-09-23
AU5438380A (en) 1980-07-17
NL189629C (en) 1993-06-01
GB2042369B (en) 1982-11-24
FR2458867A1 (en) 1981-01-02

Similar Documents

Publication Publication Date Title
IT7828242A0 (en) MAGNETIC DISC EQUIPMENT.
DK156339C (en) MAGNET PLATE CASSETTE
IT1061338B (en) CONTINUOUS PROCEDURE FOR THE EXTRUSION OF AN ORGANIC POLYMER CAST
NL184177C (en) LINEAR MEASURING INSTRUMENT.
BE869432A (en) FRICTION BLOCK FOR DISC BRAKE
CA1029618A (en) Oil damped piston
IT8023329A0 (en) PISTON.
GB1558156A (en) Split piston rings
FR2333161A1 (en) SOUND WEAR INDICATOR FOR FRICTION LINING
FR2458867B1 (en) LUBRICATION OF RECORDING MAGNETIC MATERIALS BY TELECHELIC FLUORINATED POLYMERS
FR2300106A1 (en) NEW FRICTION MATERIALS
BR8102336A (en) MAGNETIC INDICATOR SET
FR2320612A1 (en) CUSHION-FLYWHEEL-CAPSTAN ASSEMBLY FOR MAGNETIC TAPE DRIVE MECHANISMS
IT7821320A0 (en) MAGNETIC CODING PROCEDURE.
BE885032A (en) SUPPORT PLATE FOR DISC BRAKE FRICTION BLOCK
BR8100211A (en) MECHANICAL LOCK OF FRICTION
IT1145390B (en) Cephalosporin compounds Compound procedure
IT1147327B (en) LUBRICANTS FOR VIDEO DISKS
FR2489571B1 (en) SLIDING ELEMENT, PARTICULARLY FOR MAGNETIC TAPES
SU627528A1 (en) Magnetic record friction layer
GB1542551A (en) Method for optical resolution of dl-lysine compounds
BE861732A (en) BEARING FOR FLUORESCENCE X
IT1127429B (en) MAGNETIC RECORDING OR REPRODUCTION EQUIPMENT
IT1095821B (en) STACKING PIN FOR CHANGING EQUIPMENT OF GRAMOPHONE DISCS
SU645699A1 (en) Laboratory mount

Legal Events

Date Code Title Description
ST Notification of lapse