IT8420061A0 - Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri. - Google Patents

Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri.

Info

Publication number
IT8420061A0
IT8420061A0 IT8420061A IT2006184A IT8420061A0 IT 8420061 A0 IT8420061 A0 IT 8420061A0 IT 8420061 A IT8420061 A IT 8420061A IT 2006184 A IT2006184 A IT 2006184A IT 8420061 A0 IT8420061 A0 IT 8420061A0
Authority
IT
Italy
Prior art keywords
decontamination
exhaustive
procedure
perfluoropolyether oils
perfluoropolyether
Prior art date
Application number
IT8420061A
Other languages
English (en)
Other versions
IT1173444B (it
IT8420061A1 (it
Inventor
Gerardo Caporiccio
Ezio Strepparola
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
Priority to IT20061/84A priority Critical patent/IT1173444B/it
Publication of IT8420061A0 publication Critical patent/IT8420061A0/it
Priority to CA000476305A priority patent/CA1288724C/en
Priority to US06/711,361 priority patent/US4591444A/en
Priority to EP85301723A priority patent/EP0158446B1/en
Priority to DE8585301723T priority patent/DE3564693D1/de
Priority to JP60049481A priority patent/JPS60226838A/ja
Publication of IT8420061A1 publication Critical patent/IT8420061A1/it
Application granted granted Critical
Publication of IT1173444B publication Critical patent/IT1173444B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/44—Separation; Purification; Stabilisation; Use of additives by treatments giving rise to a chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/58—Separation; Purification; Stabilisation; Use of additives
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/908—Organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Lubricants (AREA)
IT20061/84A 1984-03-15 1984-03-15 Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri IT1173444B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT20061/84A IT1173444B (it) 1984-03-15 1984-03-15 Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri
CA000476305A CA1288724C (en) 1984-03-15 1985-03-12 Process for exhaustively decontaminating perfluoropolyethereal oils
US06/711,361 US4591444A (en) 1984-03-15 1985-03-13 Process for exhaustively decontaminating perfluoropolyethereal oils
EP85301723A EP0158446B1 (en) 1984-03-15 1985-03-13 Process for decontaminating perfluoropolyethers
DE8585301723T DE3564693D1 (en) 1984-03-15 1985-03-13 Process for decontaminating perfluoropolyethers
JP60049481A JPS60226838A (ja) 1984-03-15 1985-03-14 パ−フルオロポリエ−テル系油の完全な汚染除去法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20061/84A IT1173444B (it) 1984-03-15 1984-03-15 Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri

Publications (3)

Publication Number Publication Date
IT8420061A0 true IT8420061A0 (it) 1984-03-15
IT8420061A1 IT8420061A1 (it) 1985-09-15
IT1173444B IT1173444B (it) 1987-06-24

Family

ID=11163500

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20061/84A IT1173444B (it) 1984-03-15 1984-03-15 Procedimento per la decontaminazione esauriente degli olii perfluoropolieteri

Country Status (6)

Country Link
US (1) US4591444A (it)
EP (1) EP0158446B1 (it)
JP (1) JPS60226838A (it)
CA (1) CA1288724C (it)
DE (1) DE3564693D1 (it)
IT (1) IT1173444B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4664766A (en) * 1985-02-13 1987-05-12 Montedison S.P.A. Photochemical process for neutralizing perfluoropolyethers
DE3543162A1 (de) * 1985-12-06 1987-06-11 Leybold Heraeus Gmbh & Co Kg Vorrichtung zur reinigung wasserstofffreier fluorierter schmiermittel
IT1223304B (it) * 1987-09-22 1990-09-19 Ausimont Spa Perfloropolieteri a terminale mono e bis ipofluorito e processo per la loro preparazione
DE3902803A1 (de) * 1989-01-31 1990-08-02 Hoechst Ag Verfahren zur reinigung und stabilisierung von perfluorpolyethern
ITRM20110656A1 (it) 2011-12-09 2013-06-10 Esseoquattro Spa Imballaggio per alimenti freschi di origine animale che inibisce lo sviluppo delle ammine biogene
WO2026008470A1 (en) 2024-07-02 2026-01-08 Syensqo Specialty Polymers Italy S.p.A. (per)fluoropolyether polymer composition

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6709067A (it) * 1964-04-09 1968-01-08
US3715378A (en) * 1967-02-09 1973-02-06 Montedison Spa Fluorinated peroxy polyether copolymers and method for preparing them from tetrafluoroethylene
US3665041A (en) * 1967-04-04 1972-05-23 Montedison Spa Perfluorinated polyethers and process for their preparation
NL7102586A (it) * 1970-07-04 1971-09-07
JPS5028409A (it) * 1973-07-17 1975-03-24
US3901806A (en) * 1974-02-04 1975-08-26 Dow Chemical Co Treatment of aqueous liquors with uranyl ions
US4012321A (en) * 1975-03-25 1977-03-15 The United States Of America As Represented By The Secretary Of The Navy Oxidation of refractory organics in aqueous waste streams by hydrogen peroxide and ultraviolet light
US4118398A (en) * 1975-07-15 1978-10-03 Hoechst Aktiengesellschaft Perfluorinated ethers
US4201876A (en) * 1976-12-08 1980-05-06 The United States Of America As Represented By The Secretary Of The Air Force Fluorine containing polyethers
DE2833337A1 (de) * 1978-07-29 1980-02-14 Hoechst Ag Verfahren zur eliminierung von polyvinylalkohol aus abwaessern
IT1150705B (it) * 1982-03-19 1986-12-17 Montedison Spa Processo di inserimento di perfluoroolefine su perfluoropolieteri e prodotti relativi
DE3237930C1 (de) * 1982-10-13 1984-04-05 Leybold-Heraeus GmbH, 5000 Köln Reinigung von wasserstoff-freien,fluorierten Schmiermitteln
US4402836A (en) * 1982-12-01 1983-09-06 The United States Of America As Represented By The Secretary Of The Air Force Method for treating contaminated wastewater

Also Published As

Publication number Publication date
IT1173444B (it) 1987-06-24
DE3564693D1 (en) 1988-10-06
JPS60226838A (ja) 1985-11-12
EP0158446A1 (en) 1985-10-16
IT8420061A1 (it) 1985-09-15
US4591444A (en) 1986-05-27
CA1288724C (en) 1991-09-10
EP0158446B1 (en) 1988-08-31

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