IT1185518B - Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4 - Google Patents

Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4

Info

Publication number
IT1185518B
IT1185518B IT19626/85A IT1962685A IT1185518B IT 1185518 B IT1185518 B IT 1185518B IT 19626/85 A IT19626/85 A IT 19626/85A IT 1962685 A IT1962685 A IT 1962685A IT 1185518 B IT1185518 B IT 1185518B
Authority
IT
Italy
Prior art keywords
perfluoropolyters
obtainment
controlled
molecular weight
oxidation product
Prior art date
Application number
IT19626/85A
Other languages
English (en)
Other versions
IT8519626A0 (it
Inventor
Viola Gian Tommaso
Giuseppe Marchionni
Original Assignee
Montefluos 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 Montefluos Spa filed Critical Montefluos Spa
Priority to IT19626/85A priority Critical patent/IT1185518B/it
Publication of IT8519626A0 publication Critical patent/IT8519626A0/it
Priority to AU53846/86A priority patent/AU586224B2/en
Priority to CA000502469A priority patent/CA1236644A/en
Priority to DE8686102250T priority patent/DE3676833D1/de
Priority to US06/831,616 priority patent/US4668357A/en
Priority to EP86102250A priority patent/EP0193122B1/en
Priority to JP61037147A priority patent/JPH0717743B2/ja
Application granted granted Critical
Publication of IT1185518B publication Critical patent/IT1185518B/it

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polyethers (AREA)
IT19626/85A 1985-02-22 1985-02-22 Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4 IT1185518B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT19626/85A IT1185518B (it) 1985-02-22 1985-02-22 Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4
AU53846/86A AU586224B2 (en) 1985-02-22 1986-02-20 Method of preparing perfluoropolyethers having regulared molecular weight from the product obtained by photochemical oxidation of C``F``
CA000502469A CA1236644A (en) 1985-02-22 1986-02-21 Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation of c.sub.2f.sub.4
DE8686102250T DE3676833D1 (de) 1985-02-22 1986-02-21 Verfahren zur herstellung von perfluorpolyaethern mit regulierter molekuelmasse aus dem produkt erhalten in der c2f4 photooxydation.
US06/831,616 US4668357A (en) 1985-02-22 1986-02-21 Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation
EP86102250A EP0193122B1 (en) 1985-02-22 1986-02-21 Method of preparing perfluoropolyethers having regulated molecular weight from theproduct obtained by photochemical oxidation of c2f4
JP61037147A JPH0717743B2 (ja) 1985-02-22 1986-02-21 Ｃ▲下２▼ｆ▲下４▼の光化学的酸化によつて得られた生成物から調整された分子量を有するペルフルオロポリエーテルを調製する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19626/85A IT1185518B (it) 1985-02-22 1985-02-22 Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4

Publications (2)

Publication Number Publication Date
IT8519626A0 IT8519626A0 (it) 1985-02-22
IT1185518B true IT1185518B (it) 1987-11-12

Family

ID=11159826

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19626/85A IT1185518B (it) 1985-02-22 1985-02-22 Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4

Country Status (7)

Country Link
US (1) US4668357A (it)
EP (1) EP0193122B1 (it)
JP (1) JPH0717743B2 (it)
AU (1) AU586224B2 (it)
CA (1) CA1236644A (it)
DE (1) DE3676833D1 (it)
IT (1) IT1185518B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1263405A (en) * 1984-05-23 1989-11-28 Giantommaso Viola Process for preparing neutral and functional perfluoropolyethers with controlled molecular weight
IT1213071B (it) * 1986-05-07 1989-12-07 Ausimont Spa Perfluoropolieteri esenti da ossigeno perossidico e contenenti gruppi perfluoroepossidici disposti lungo la catena perfluoropolieterea.
US5177226A (en) * 1986-05-07 1993-01-05 Ausimont S.P.A. Perfluoropolyethers free from peroxidic oxygen and containing perfluoroepoxy groups positioned along the perfluoropolyether chain, and their derivatives
IT1217453B (it) * 1988-05-02 1990-03-22 Ausimont Spa Procedimento per la produzione di perfluoropolieteri a peso molecolare controllato,aventi gruppi terminali perfluoroalchilici o perfluorocloroalchilici
US5446206A (en) * 1988-05-02 1995-08-29 Ausimont S.R.L. Process for preparing controlled molecular weight perfluoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups
IT1217658B (it) * 1988-05-20 1990-03-30 Ausimont Spa Processo perfezionato per la produzione di perfluoropolieteri costituiti sostanzialmente da unita' perfludossietilenche e perfluoroossipropileniche
US5986012A (en) * 1989-04-24 1999-11-16 E. I. Du Pont De Nemours And Company Fluorination of radiation crosslinked perfluoroelastomers
US5220076A (en) * 1990-03-06 1993-06-15 Ausimont S.R.L. Perfluoropolyethers and processes for their preparation
IT1241679B (it) * 1990-03-06 1994-01-31 Ausimont Spa Perfluoropolieteri e processi per la loro preparazione
US5237108A (en) * 1990-03-06 1993-08-17 Ausimont S.R.L. Perfluoropolyethers and processes for their preparation
IT1249319B (it) * 1991-04-26 1995-02-22 Ausimont Spa Perfluoropolieteri ad elevata viscosita' e basso contenuto di ossigeno perossidico, e procedimento per la loro preparazione
IT1260479B (it) * 1992-05-29 1996-04-09 Ausimont Spa Processo per la preparazione di perfluoropoliossialchileni funzionalizzati
IT1264977B1 (it) * 1993-11-17 1996-10-17 Ausimont Spa Processo per preparare perfluoropolietri
IT1282626B1 (it) * 1996-02-14 1998-03-31 Ausimont Spa Processo di preparazione di perfluoropolieteri perossidici
IT1282628B1 (it) * 1996-02-14 1998-03-31 Ausimont Spa Processo per la preparazione di perfluoropolieteri perossidici
IT1284005B1 (it) * 1996-04-23 1998-05-08 Ausimont Spa Processo per la praparazione di perfluoropolieteri con terminali bromurati o iodurati
ITMI20031915A1 (it) * 2003-10-03 2005-04-04 Solvay Solexis Spa Processo per la preparazione di perfluoropolieteri.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249247B (de) * 1961-04-25 1967-09-07 E. I. Du Pont De Nemours And Company, Wilmington, Del. (V. St. A.) Verfahren zur Herstellung von Perfluorolefinpolyäthern
NL148585B (nl) * 1964-04-09 1976-02-16 Montedison Spa Werkwijze om verbindingen te bereiden, welke uitsluitend uit koolstof, fluor en zuurstof bestaan.
DE1745169B2 (de) * 1967-02-09 1977-04-21 Montecatini Edison S.P.A., Mailand (Italien) Fluorierte lineare polyaether und verfahren zu ihrer herstellung
GB1217871A (en) * 1967-02-09 1970-12-31 Montedison Spa Fluorine-containing polyethers
GB1226566A (it) * 1967-04-04 1971-03-31
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
US3931132A (en) * 1970-06-11 1976-01-06 Low George M Deputy Administra Utilization of oxygen difluoride for syntheses of fluoropolymers
NL176683C (nl) * 1971-08-05 1985-05-17 Montedison Spa Werkwijze om geperfluoreerde copolyethers te bereiden.
US4238602A (en) * 1979-04-26 1980-12-09 The United States Of America As Represented By The Secretary Of The Air Force Fluorine containing polyethers
US4523039A (en) * 1980-04-11 1985-06-11 The University Of Texas Method for forming perfluorocarbon ethers
IT1150705B (it) * 1982-03-19 1986-12-17 Montedison Spa Processo di inserimento di perfluoroolefine su perfluoropolieteri e prodotti relativi
US4664766A (en) * 1985-02-13 1987-05-12 Montedison S.P.A. Photochemical process for neutralizing perfluoropolyethers

Also Published As

Publication number Publication date
AU5384686A (en) 1986-08-28
US4668357A (en) 1987-05-26
CA1236644A (en) 1988-05-10
EP0193122B1 (en) 1991-01-16
AU586224B2 (en) 1989-07-06
DE3676833D1 (de) 1991-02-21
EP0193122A1 (en) 1986-09-03
JPS61195119A (ja) 1986-08-29
IT8519626A0 (it) 1985-02-22
JPH0717743B2 (ja) 1995-03-01

Similar Documents

Publication Publication Date Title
IT1185518B (it) Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4
DE3667989D1 (de) Kontinuierliche herstellung von elastischen polyestern.
DE3682261D1 (de) Mundhygienisches produkt.
IT1223671B (it) Catalizzatore per la decomposizione dell'ozono
ES556467A0 (es) Un procedimiento para la preparacion de derivados de furanona.
ES2060799T3 (es) Compuestos flavonoides sustituidos, sus sales, su preparacion y medicinas que contienen estos materiales.
DE3483722D1 (de) Neue zwischenprodukte fuer die herstellung von arzneimitteln.
FI890292A (fi) Doserare foer produkter i pastaform.
NO165530C (no) Pneumatisk dekk oppbygget av sjikt.
ES291709Y (es) Contenedores perfeccionados obtenidos a base de hojas de material sintetico termoplasticos,especialmente adaptados a contener huevos
DE3853711T2 (de) Zwischenverbindungen für die Synthese von 5,6,7,8-Tetrahydro-L-erythro-biopterin und seiner Derivate.
IT8519103A0 (it) Procedimento per la produzione di un articolo cosmetico.
IT7848637A0 (it) Procedimento per la produzione dicomposti poliossidrilici a basso peso molecolare
IT8521323V0 (it) Articolo per la presentazione di un prodotto cosmetico di tipo pastoso.
DE3679487D1 (de) Herstellung feinteiliger tetrafluorethylenpulverharze.
FI875167A (fi) Kallvalsad bandstaolprodukt.
FI860014A0 (fi) Preparat med foerdroejd verkan, foerfarande foer deras framstaellning samt motsvarande preparat foer human- eller veterinaermedicinsk anvaendning.
DE3682984D1 (de) Herstellung feinteiliger tetrafluorethylenpulverharze.
ES507758A0 (es) Un procedimiento para la preparacion de nuevos derivados de quinoleinetanol o quinoleinpropanol utiles como medicamentos
DE3785288D1 (de) Polyarylthioetherzusammensetzung und formkoerper daraus.
ES2096050T3 (es) Derivados amidas del acido piridiltiazolidincarboxilico, su preparacion y sus usos.
IT8621094A0 (it) Procedimento per la produzione dicerniere lampo accoppiate.
LU81237A1 (fr) Medicament a base de derives de la thienopyridone ou de la furopyridone
FR2589617B1 (fr) Nouveau produit obtenu par serigraphie, notamment utile pour la realisation d'un potentiometre ou d'un rheostat ameliore
IT8740155A0 (it) Estensione dell'uso di un prodotto farmaceutico alimentare curativo