KR100271045B1 - 퍼플루오로폴리에테르 오일에 의해 작동되는 인공 진공펌프에서의 역행 저감법 - Google Patents

퍼플루오로폴리에테르 오일에 의해 작동되는 인공 진공펌프에서의 역행 저감법 Download PDF

Info

Publication number
KR100271045B1
KR100271045B1 KR1019930001072A KR930001072A KR100271045B1 KR 100271045 B1 KR100271045 B1 KR 100271045B1 KR 1019930001072 A KR1019930001072 A KR 1019930001072A KR 930001072 A KR930001072 A KR 930001072A KR 100271045 B1 KR100271045 B1 KR 100271045B1
Authority
KR
South Korea
Prior art keywords
fractions
less
molecular weight
perfluoropolyethers
weight
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 - Fee Related
Application number
KR1019930001072A
Other languages
English (en)
Korean (ko)
Other versions
KR930016673A (ko
Inventor
로셀라실바니
발레리오카르세티
카시미로파체
판트마나판스리니바산
Original Assignee
오틸리오 마세롤리; 카를로 코그리아티
오시몬트 에스.페.아.
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 오틸리오 마세롤리; 카를로 코그리아티, 오시몬트 에스.페.아. filed Critical 오틸리오 마세롤리; 카를로 코그리아티
Publication of KR930016673A publication Critical patent/KR930016673A/ko
Application granted granted Critical
Publication of KR100271045B1 publication Critical patent/KR100271045B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • 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
    • C10M2213/04—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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • 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
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • 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
    • C10N2040/32—Wires, ropes or cables lubricants
    • 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
    • C10N2040/34—Lubricating-sealants
    • 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
    • C10N2040/36—Release agents or mold release agents
    • 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
    • C10N2040/38—Conveyors or chain belts
    • 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
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • 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
    • C10N2040/42—Flashing oils or marking oils
    • 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
    • C10N2040/44—Super vacuum or supercritical use
    • 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
    • C10N2040/50—Medical uses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubricants (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Polyethers (AREA)
  • Prostheses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
KR1019930001072A 1992-01-30 1993-01-28 퍼플루오로폴리에테르 오일에 의해 작동되는 인공 진공펌프에서의 역행 저감법 Expired - Fee Related KR100271045B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI92A01700 1992-01-30
ITMI920170A IT1258831B (it) 1992-01-30 1992-01-30 Processo per ridurre la retrodiffusione in pompe meccaniche per la generazione di vuoto, funzionanti con olii perfluoropolieterei
ITMI92A0170 1992-01-30

Publications (2)

Publication Number Publication Date
KR930016673A KR930016673A (ko) 1993-08-26
KR100271045B1 true KR100271045B1 (ko) 2000-11-01

Family

ID=11361725

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001072A Expired - Fee Related KR100271045B1 (ko) 1992-01-30 1993-01-28 퍼플루오로폴리에테르 오일에 의해 작동되는 인공 진공펌프에서의 역행 저감법

Country Status (9)

Country Link
US (1) US5571780A (https=)
EP (1) EP0553768B1 (https=)
JP (1) JP3256314B2 (https=)
KR (1) KR100271045B1 (https=)
AT (1) ATE192482T1 (https=)
DE (1) DE69328507T2 (https=)
ES (1) ES2146592T3 (https=)
IT (1) IT1258831B (https=)
TW (1) TW242651B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW468009B (en) * 1997-11-20 2001-12-11 Koninkl Philips Electronics Nv Electromotor
US6099937A (en) * 1998-05-11 2000-08-08 Seagate Technology, Inc. High molecular weight fractioned lubricant for use with thin film magnetic media
EP2486114A1 (en) 2009-10-06 2012-08-15 Solvay Specialty Polymers Italy S.p.A. Lubricant compositions for vacuum pumps
FI128011B (en) * 2016-02-18 2019-07-31 Vauhti Speed Oy Composition for improving performance of waxless skis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451646A (en) * 1967-02-09 1984-05-29 Montedison, S.P.A. High molecular weight polymeric perfluorinated copolyethers and process for their preparation from tetrafluoroethylene
IT1040273B (it) * 1975-07-30 1979-12-20 Montedison Spa Oli perfluoropolieterei selezionati ad altissima purezza ea bassa volatilita
IT1214640B (it) * 1985-11-20 1990-01-18 Ausimont Spa Impiego di perfluoropolieteri in pompe meccaniche.
US5154845A (en) * 1987-08-10 1992-10-13 Pcr Group, Inc. Fluorine containing lubricating composition for relatively moving metal surfaces
EP0432273B1 (en) * 1989-06-05 1993-12-22 Asahi Kasei Kogyo Kabushiki Kaisha Refrigerant composition

Also Published As

Publication number Publication date
IT1258831B (it) 1996-02-29
EP0553768A3 (en) 1993-08-25
US5571780A (en) 1996-11-05
ES2146592T3 (es) 2000-08-16
KR930016673A (ko) 1993-08-26
ITMI920170A0 (it) 1992-01-30
TW242651B (https=) 1995-03-11
JP3256314B2 (ja) 2002-02-12
ATE192482T1 (de) 2000-05-15
ITMI920170A1 (it) 1993-07-30
EP0553768B1 (en) 2000-05-03
EP0553768A2 (en) 1993-08-04
JPH06128579A (ja) 1994-05-10
DE69328507T2 (de) 2001-01-11
DE69328507D1 (de) 2000-06-08

Similar Documents

Publication Publication Date Title
US5237108A (en) Perfluoropolyethers and processes for their preparation
US5144092A (en) Perfluoropolyethers and processes for their preparation
EP0276293B1 (en) Perfluoropolyether solid fillers for lubricants
EP0656910B1 (en) Purification of fluoropolymers
KR950003332A (ko) 열가공성 테트라플루오로에틸렌(tfe) 공중합체
KR100271045B1 (ko) 퍼플루오로폴리에테르 오일에 의해 작동되는 인공 진공펌프에서의 역행 저감법
CA2467422A1 (en) Perfluoropolyether additives
HK1001330B (en) Purification of fluoropolymers
US5075397A (en) Perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
DE69514327T2 (de) Azeotrope Gemische aus Octamethyltrisiloxan und aliphatischen oder alizyklischen Alkoholen
EP0195946A2 (en) Bifunctional and monofunctional perfluoropolyethers having brominated end groups and a controlled molecular weight
EP0576687B1 (en) Cleaning and drying solvent
KR20150093125A (ko) 편말단 카르복실기 함유 퍼플루오로폴리에테르 화합물을 포함하는 조성물의 제조방법
EP0338529B1 (en) Fluorine-containing polyether and lubricant comprising the same
Winter et al. Photopolymerized acrylate copolymer films with surfaces enriched in sulfur pentafluoride (− SF5) chemistry
US20010031709A1 (en) Lubricant compositions based on PTFE
EP0377660B1 (en) Spherical perfluoroethers
EP4130177B1 (en) Composition containing fluorine oil
US5032302A (en) Perfluoropolyether solid fillers for lubricants
DE69506624T2 (de) Silikonhaltige Azeotrope
WO1996013569A1 (en) Single phase cleaning fluid
EP0325240B1 (en) Azeotropic solvent composition
JP3118876B2 (ja) 磁気記録媒体用液体潤滑剤及びその製造方法並びに磁気記録媒体
EP0223251B1 (en) Use of perfluoropolyethers in mechanical pumps
Calzolari et al. Molecular weight fractionation of polyethylene gylcol by gas chromatography

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

FPAY Annual fee payment

Payment date: 20070723

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20080811

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20080811