CA1088575A - Selected perfluoropolyether oils of very high purity and with a low volatility - Google Patents

Selected perfluoropolyether oils of very high purity and with a low volatility

Info

Publication number
CA1088575A
CA1088575A CA257,958A CA257958A CA1088575A CA 1088575 A CA1088575 A CA 1088575A CA 257958 A CA257958 A CA 257958A CA 1088575 A CA1088575 A CA 1088575A
Authority
CA
Canada
Prior art keywords
oil
torr
whole number
pressure
fractions
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
CA257,958A
Other languages
English (en)
French (fr)
Inventor
Gerardo Caporiccio
Giorgio Belardinelli
Costante Corti
Giuliano Carniselli
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.)
Montedison SpA
Original Assignee
Montedison 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 Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of CA1088575A publication Critical patent/CA1088575A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/06—Perfluorinated 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C10M2213/062—Polytetrafluoroethylene [PTFE]
    • 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
    • C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Polyethers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA257,958A 1975-07-30 1976-07-28 Selected perfluoropolyether oils of very high purity and with a low volatility Expired CA1088575A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT25907A/75 1975-07-30
IT25907/75A IT1040273B (it) 1975-07-30 1975-07-30 Oli perfluoropolieterei selezionati ad altissima purezza ea bassa volatilita

Publications (1)

Publication Number Publication Date
CA1088575A true CA1088575A (en) 1980-10-28

Family

ID=11218100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257,958A Expired CA1088575A (en) 1975-07-30 1976-07-28 Selected perfluoropolyether oils of very high purity and with a low volatility

Country Status (9)

Country Link
US (1) US4178465A (OSRAM)
JP (1) JPS5216561A (OSRAM)
BE (1) BE844636A (OSRAM)
CA (1) CA1088575A (OSRAM)
DE (1) DE2633736C2 (OSRAM)
FR (1) FR2319704A1 (OSRAM)
GB (1) GB1522748A (OSRAM)
IT (1) IT1040273B (OSRAM)
NL (1) NL182648C (OSRAM)

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* Cited by examiner, † Cited by third party
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DE2839378B1 (de) 1978-09-11 1979-11-15 Basf Ag Magnetischer Aufzeichnungstraeger
JPS55108736A (en) * 1979-02-13 1980-08-21 Fujitsu Ltd Method for maintenance of electron beam exposure device
US4278776A (en) 1979-06-14 1981-07-14 Montedison S.P.A. Vulcanizable mixes based on fluoroelastomers and comprising elastomeric fluoropolyamides as processing aids
IT1152230B (it) * 1982-05-31 1986-12-31 Montedison Spa Procedimento per la preparazione di grassi lubrificanti a base di politetrafluoroetilene e perfluoropolieteri
DE3237930C1 (de) * 1982-10-13 1984-04-05 Leybold-Heraeus GmbH, 5000 Köln Reinigung von wasserstoff-freien,fluorierten Schmiermitteln
US4597882A (en) * 1983-06-13 1986-07-01 Tokyo Denshi Kagaku Co., Ltd. Process for regenerating waste oils of synthetic lubricants containing fluorine atom
IT1174205B (it) * 1984-06-19 1987-07-01 Montedison Spa Fluoroplieteri contenenti gruppi terminali dotati di proprieta' ancoranti
IT1207492B (it) * 1985-02-22 1989-05-25 Montefluos Spa Impiego di derivati dei perfluoropo lieteri per la protezione dei materiali lapidei dagli agenti atmosferici
JPS61233088A (ja) * 1985-04-08 1986-10-17 Nippon Mektron Ltd 合成油組成物
JPH0631369B2 (ja) * 1986-05-28 1994-04-27 大塚化学株式会社 熱可塑性プラスチツクス製機器用潤滑剤
DE3710145A1 (de) * 1987-03-31 1988-10-13 Basf Ag Verfahren zur negativ-korrektur von tiefdruckformen sowie korrektur-mittel hierfuer
DE3710146A1 (de) * 1987-03-31 1988-10-13 Basf Ag Verfahren zum verschliessen und/oder abdichten von oeffnungen, hohl- oder zwischenraeumen bei auf formzylindern aufgebrachten druckplatten
IT1233442B (it) * 1987-12-30 1992-04-01 Ausimont Spa Grassi lubrificanti
IT1231758B (it) * 1989-04-20 1991-12-21 Ausimont Srl Fluoropolieteri funzionalizzati
DE69005428T2 (de) * 1989-06-05 1994-07-28 Asahi Chemical Ind Kühlmittelzubereitung.
DE3926577A1 (de) * 1989-08-11 1991-02-14 Leybold Ag Vakuumpumpe mit einem rotor und mit unter vakuum betriebenen rotorlagerungen
US4918931A (en) * 1989-09-05 1990-04-24 Mydax Corporation Compressor slugging prevention method for a refrigeration system
JPH03205533A (ja) * 1990-01-08 1991-09-09 Terumo Corp ガスセンサー用較正液の保存容器およびガス分圧調整方法
IT1238693B (it) * 1990-02-16 1993-09-01 Montedipe Srl Mescole a base di polimeri vinilaromatici ad elevate caratteristiche meccaniche
US5292585A (en) * 1990-08-30 1994-03-08 Tosoh Corporation Magnetic recording medium comprising a magnetic film layer and a coating of purified perfluoropolyther lubricant
IT1258831B (it) * 1992-01-30 1996-02-29 Ausimont Spa Processo per ridurre la retrodiffusione in pompe meccaniche per la generazione di vuoto, funzionanti con olii perfluoropolieterei
US5282929A (en) * 1992-03-06 1994-02-01 E. I. Du Pont De Nemours And Company Reducing molecular weight distribution of polyether glycols by short-path distillation
JP3816118B2 (ja) * 1993-12-01 2006-08-30 アウシモント、ソチエタ、ペル、アツィオーニ 改良された特性を有する、水素添加された鉱物性または合成グリース
US6099937A (en) * 1998-05-11 2000-08-08 Seagate Technology, Inc. High molecular weight fractioned lubricant for use with thin film magnetic media
ITMI20031914A1 (it) 2003-10-03 2005-04-04 Solvay Solexis Spa Perfluoropolieteri.
CN101494058B (zh) * 2004-01-14 2012-02-08 西部数据传媒(新加坡)有限公司 磁盘及其制造方法
US20050233912A1 (en) * 2004-03-01 2005-10-20 Rudiger Dusing UV-stable grease or seal substance for optical systems, manufacture thereof as well as use thereof
ITMI20050583A1 (it) * 2005-04-07 2006-10-08 Solvay Solexis Spa Lubrificanti fluorurati resistenti agli acidi di lewis
JP2007095234A (ja) * 2005-09-30 2007-04-12 Hoya Corp 磁気記録ディスクおよびその製造方法
KR100923343B1 (ko) 2008-09-02 2009-10-22 (주)아이에스엘테크 진공펌프 오일의 재생 방법 및 재생 장치
FR2966191B1 (fr) * 2010-10-15 2013-11-01 Vallourec Mannesmann Oil & Gas Composant filete tubulaire et joint resultant
US9748604B2 (en) 2012-10-19 2017-08-29 The University Of North Carolina At Chapel Hill Ion conducting polymers and polymer blends for alkali metal ion batteries
CN105210227A (zh) 2013-04-01 2015-12-30 北卡罗来纳-查佩尔山大学 用于碱金属离子电池的离子导电含氟聚合物碳酸酯
US10308587B2 (en) 2015-02-03 2019-06-04 Blue Current, Inc. Functionalized fluoropolymers and electrolyte compositions
US10870729B2 (en) * 2016-01-26 2020-12-22 Daikin Industries, Ltd. Surface treatment agent

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442942A (en) * 1964-04-09 1969-05-06 Montedison Spa Fluorinated oxygen containing acyl fluorides
NL6709067A (OSRAM) * 1964-04-09 1968-01-08
FR1537922A (fr) * 1966-07-11 1968-08-30 Montedison Spa Dérivés d'éthers et de polyéthers perfluorés
DE1745169B2 (de) * 1967-02-09 1977-04-21 Montecatini Edison S.P.A., Mailand (Italien) Fluorierte lineare polyaether und verfahren zu ihrer herstellung
US3665041A (en) * 1967-04-04 1972-05-23 Montedison Spa Perfluorinated polyethers and process for their preparation
US3847978A (en) * 1968-07-01 1974-11-12 Montedison Spa Perfluorinated linear polyethers having reactive terminal groups at both ends of the chain and process for the preparation thereof
US3622635A (en) * 1968-09-06 1971-11-23 Montedison Spa Process for the production of oxygen-containing fluoro compounds
DE2007245C3 (de) * 1970-02-18 1974-08-01 Merck Patent Gmbh, 6100 Darmstadt Verfahren zur Herstellung von gegen aggressive Chemikalien beständigen Perfluorpolyäthern

Also Published As

Publication number Publication date
JPS6134453B2 (OSRAM) 1986-08-07
DE2633736C2 (de) 1986-08-07
NL182648B (nl) 1987-11-16
FR2319704B1 (OSRAM) 1978-05-05
BE844636A (fr) 1977-01-31
US4178465A (en) 1979-12-11
IT1040273B (it) 1979-12-20
DE2633736A1 (de) 1977-02-10
FR2319704A1 (fr) 1977-02-25
JPS5216561A (en) 1977-02-07
NL182648C (nl) 1988-04-18
GB1522748A (en) 1978-08-31
NL7608263A (nl) 1977-02-01

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