IL80641A - Preparation of regulated low molecular weight perfluoropolyethers having neutral and functional end groups using metal oxide,fluoride or oxyfluoride catalyst - Google Patents

Preparation of regulated low molecular weight perfluoropolyethers having neutral and functional end groups using metal oxide,fluoride or oxyfluoride catalyst

Info

Publication number
IL80641A
IL80641A IL80641A IL8064186A IL80641A IL 80641 A IL80641 A IL 80641A IL 80641 A IL80641 A IL 80641A IL 8064186 A IL8064186 A IL 8064186A IL 80641 A IL80641 A IL 80641A
Authority
IL
Israel
Prior art keywords
fluoride
neutral
preparation
molecular weight
metal oxide
Prior art date
Application number
IL80641A
Other languages
English (en)
Other versions
IL80641A0 (en
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
Priority claimed from IT22902/85A external-priority patent/IT1190423B/it
Priority claimed from IT22922/85A external-priority patent/IT1190425B/it
Application filed by Montedison Spa filed Critical Montedison Spa
Publication of IL80641A0 publication Critical patent/IL80641A0/xx
Publication of IL80641A publication Critical patent/IL80641A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
    • 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
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens
    • C08G65/3233—Molecular halogen
    • C08G65/3236—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
    • C08G65/002—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
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyethers (AREA)
  • Catalysts (AREA)
IL80641A 1985-11-19 1986-11-14 Preparation of regulated low molecular weight perfluoropolyethers having neutral and functional end groups using metal oxide,fluoride or oxyfluoride catalyst IL80641A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT22902/85A IT1190423B (it) 1985-11-19 1985-11-19 Procedimento per ottenere perfluoropolieteri a terminali neutri e funzionali di peso molecolare controllato
IT22922/85A IT1190425B (it) 1985-11-20 1985-11-20 Processo perfezionato per la riduzione controllata del peso molecolare medio di perfluoropolieteri

Publications (2)

Publication Number Publication Date
IL80641A0 IL80641A0 (en) 1987-02-27
IL80641A true IL80641A (en) 1992-03-29

Family

ID=26328286

Family Applications (1)

Application Number Title Priority Date Filing Date
IL80641A IL80641A (en) 1985-11-19 1986-11-14 Preparation of regulated low molecular weight perfluoropolyethers having neutral and functional end groups using metal oxide,fluoride or oxyfluoride catalyst

Country Status (9)

Country Link
US (1) US4788257A (xx)
EP (1) EP0223238B1 (xx)
JP (1) JPH085958B2 (xx)
KR (1) KR950003118B1 (xx)
AU (1) AU593853B2 (xx)
CA (1) CA1305494C (xx)
DE (1) DE3680869D1 (xx)
ES (1) ES2025052B3 (xx)
IL (1) IL80641A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1201498B (it) * 1985-11-20 1989-02-02 Ausimont Spa Perfluoropolieteri funzionalizzati e procedimento per la loro preparazione
IT1223304B (it) * 1987-09-22 1990-09-19 Ausimont Spa Perfloropolieteri a terminale mono e bis ipofluorito e processo per la loro preparazione
US4847427A (en) * 1988-04-13 1989-07-11 E. I. Du Pont De Nemours And Company Process for preparing fluorocarbon polyethers
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
IT1228655B (it) * 1989-02-09 1991-06-27 Ausimont Srl Perfluoropolieteri aventi proprieta' antirust utili quali componenti o additivi di olii e grassi lubrificanti.
IT1238075B (it) * 1990-01-31 1993-07-03 Ausimont Spa Processo per la preparazione di fluoropolieteri e perfluorolieteri a terminali neutri o funzionali di peso molecolare controllato
US5233094A (en) * 1991-11-16 1993-08-03 Hoechst Aktiengesellschaft Process for the preparation of perfluorinated ethers
IT1264977B1 (it) * 1993-11-17 1996-10-17 Ausimont Spa Processo per preparare perfluoropolietri
ITMI20021733A1 (it) * 2002-08-01 2004-02-02 Ausimont S P A Ora Solvay Solexis Spa Processo per la preparazione di perfluoropolieteri acil-fluoruro terminati per riduzione dei corrispondenti perfluoropolieteri perossidici.
ITMI20040133A1 (it) 2004-01-29 2004-04-29 Solvay Solexis Spa Processo per preparare fluoroalogenoeteri

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003700B (de) * 1954-07-30 1957-03-07 Hoechst Ag Verfahren zur Herstellung von niedermolekularen Fluorchlorkohlenstoffen fluessiger oder wachsartiger Konsistenz
US3513203A (en) * 1966-07-11 1970-05-19 Montedison Spa Fluorinated ketones and process for their preparation
US3564059A (en) * 1966-07-11 1971-02-16 Montedison Spa Perfluorinated ethers and polyethers
NL6818169A (xx) * 1967-12-28 1969-07-01
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
BE764110A (en) * 1970-03-12 1971-09-13 Montedison Spa Cyclic perfluoro polyethers
US4523039A (en) * 1980-04-11 1985-06-11 The University Of Texas Method for forming perfluorocarbon ethers
AU579374B2 (en) * 1984-05-23 1988-11-24 Ausimont S.R.L. Process for preparing perfluoropolyethers with neutral and functional end-groups, having a regulated molecular weight
IT1201498B (it) * 1985-11-20 1989-02-02 Ausimont Spa Perfluoropolieteri funzionalizzati e procedimento per la loro preparazione
JPH0665695A (ja) * 1992-08-17 1994-03-08 Furukawa Electric Co Ltd:The Ａｌ−Ｍｇ−Ｓｉ系アルミニウム合金鍛造材の熱処理法

Also Published As

Publication number Publication date
CA1305494C (en) 1992-07-21
EP0223238A1 (en) 1987-05-27
JPS62119229A (ja) 1987-05-30
US4788257A (en) 1988-11-29
AU593853B2 (en) 1990-02-22
AU6533286A (en) 1987-05-21
KR870004934A (ko) 1987-06-02
DE3680869D1 (de) 1991-09-19
EP0223238B1 (en) 1991-08-14
ES2025052B3 (es) 1992-03-16
IL80641A0 (en) 1987-02-27
KR950003118B1 (ko) 1995-04-01
JPH085958B2 (ja) 1996-01-24

Similar Documents

Publication Publication Date Title
EP0237468A3 (en) Storable thermo-curable compositions and their use
ZA863957B (en) Alfuzosine compositions and use
EP0176315A3 (en) Sliding member of high strength and high abrasion resistance
EP0152065A3 (en) Omega-perfluoroalkyl-1,2-epoxyalkane copolymer and use thereof
AU6495186A (en) Assistant combination and use thereof as textile finishing agent
IL80641A (en) Preparation of regulated low molecular weight perfluoropolyethers having neutral and functional end groups using metal oxide,fluoride or oxyfluoride catalyst
AU4404785A (en) Ltr vectors, methods of preparation and use
PT83915A (en) Highly functional fluorinated polysocyanates and varnishes obtained therefrom
DE3569208D1 (en) Shaped catalysts, their preparation and use
EP0175205A3 (en) Polyesters of high molecular weight, their fabrication and use
ZA876068B (en) Method of preparation and use of solid,phytoactive compositions
EP0234581A3 (en) Fluoride glass and use thereof
GR860075B (en) Compositions their preparation and use
GB2162854B (en) High molecular weight siloxane polyimides, intermediates therefor, and methods for their preparation and use
GB2196976B (en) Novel fluorine-containing siloxanes, their preparation and their use as antifoaming agents
AU6292286A (en) N-substituted-3,4,5,6,-tetrahydrophthalimides, their preparation and use
GB2182929B (en) Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, the preparation thereof and the use thereof
EP0215406A3 (en) Baker's oven
DE3460627D1 (en) Shaped-iron catalyst, its preparation and use
ZA873892B (en) Novel pharmaceutical compositions comprising and use of cis-6-(4-acetanilido)-8,9-dimethoxy-2-methyl-1,2,3,4,4a,-10b-hexahydro-benzo(c)(1,6)naphthyridin
DE3561945D1 (en) Diaminoalcohols, their preparation and their use as acid gas removal agents
GB8521325D0 (en) Preparation of side-chain polymers
ZA86659B (en) 6-chloro-3-methyl-1h-2,3,4,5-tetrahydro-3-benzazepine-n-oxide and medical compositions using it
EP0227799A4 (en) ALLYL ISOTHIOCYANATE AND USE OF SAID COMPOUND FOR PREVENTING HAIR LOSS.
AR243179A1 (es) Procedimiento para preparar nuevas 5-(het)-2,4-dialquil-3h-1,2,4-triazolo-3-tionas

Legal Events

Date Code Title Description
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees