Ausimont S.p.a.

Solvay Solexis S.p.a.

Ausimont S.r.l.

Spherilene S.r.l.

Austmont S.p.a.

Solvey Solexis S.p.a.

Solvay Specialty Polymers Italy S.p.a.

Walter Navarrini

Vito Tortelli

Darryl D DesMarteau

Marco Galimberti

Giovanni Fontana

Vittorio Montanari

Julio A Abusleme

Pasqua Colaianna

Simonetta Antonella Fontana

Richard Dickinson Chambers

Antonio Russo

Costante Corti

Paolo Odello

Ivan Diego Wlassics

Antonio Marraccini

Antonio Pasquale

Anna M Staccione

Silvana Modena

Tiziana Fiorani

Alessandro Zedda

Darryl D Desmarteu

Claudio Tonelli

Margherita Albano

Patrizia Serenella Maccone

Aldo Sanguineti

Bruno Scrosati

Letanzio Bragante

Pietro Luigi Cavallotti

Stefania Panero

Giuseppe Resnati

Pierangelo Metrangolo

Viatcheslav A Petrov

John D Anderson

Derryl D Desmarteau

John David Anderson

Maurizio Sansotera

Stefan Kotun

Anna Maria Staccione

Darryl D Desmarteau

Pietro Cavallotti

A modified carbonaceous material having chemically bound on its surface at least one fluoropolyoxyalkylene chain (chain R) and a process for the modification of a carbonaceous material [material (C)]. The process comprises: contacting the material (C) with a (per)fluoropolyether peroxide comprising at least one peroxidic moiety comprised between spcarbon atoms and at least one fluoropolyoxyalkene chain (chain R), i.e. a fluorocarbon segment comprising ether linkages in main chain [peroxide (P)]; and heating the material (C) while in contact with the peroxide (P) at a temperature exceeding decomposition temperature of the peroxide (P).

Modification of carbonaceous materials

A process for preparing membranes formed by (per) fluorinated ionomeric electrolytes salified with the lithium ion, comprising the following steps:

Process for preparing ionomeric membranes

Fluorovinyl ethers having the formula CFX&#x2550;CXOCFOR, wherein R is a C-Clinear, branched or C-Ccyclic (per) fluoroalkyl group, or a C-Clinear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X&#x2550;F, H; and homopolymers or polymers obtainable polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.

Fluorovinyl ethers and polymers obtainable therefrom

(Per)haloethers having formula:X-(Rf)-O&#x2014;CFCF&#x2014;O&#x2014;CXX&#x2014;CFXX, &#x2003;&#x2003;(I)process for obtaining them and hypofluorites usable in the synthesis of said (per)haloethers.

Polyhalogenated ethers

A process for the synthesis of (per)fluorinated mono-functional carbonyl compounds having the following formula (I):F-A-R&#x2014;B&#x2014;C(O)X&#x2003;&#x2003;(I)wherein:X=F, CF;A, B equal to or different from each other, are independently (per)fluoroalkylene or (per)fluorooxyalkylene groups;Ris &#x2014;ORfO&#x2014; wherein Rf=perfluoroalkylene or &#x2014;ORf, wherein Rfis a perfluorooxyalkylene chain;said process comprising the following steps:A) obtainment of the formula (II) mono-hypofluorite:FO&#x2014;CFX-A-R&#x2014;B&#x2014;C(O)X&#x2003;&#x2003;(II)

Process for the preparation of (per)fluorinated mono-functional carbonyl compounds

A process for the synthesis of (per)fluorinated mono-functional carbonyl compounds having the following formula:F&#x2014;A&#x2014;(R)&#x2014;B&#x2014;C(O)X&#x2003;&#x2003;(I)wherein:X=F, CF;t=0, 1;A, B equal to or different from each other, are independently C-C(per)fluoroalkylene groups or C-C(per)fluorooxy-alkylene groups;Ris &#x2014;Rf&#x2014;, C-Cperfluoroalkylene, &#x2014;ORfO&#x2014;; or &#x2014;ORf&#x2014;, wherein Rfis a perfluorooxyalkylene chain; wherein the carbonyl groups of a (per)fluorinated di-functional carbonyl compound of formula (III):X(O)C&#x2014;A&#x2014;(R)&#x2014;B&#x2014;C(O)X&#x2003;&#x2003;(III)wherein:X, R, t, A and B have the above meanings;X, equal to or different from X, has the same meanings as X; are partially fluorinated with elemental fluorine in the presence of a catalyst having formula MeFy.zHF, Me being an alkaline or alkaline-earth metal or Ag, y=1 or 2, z an integer from 0 to 4,carrying out said reaction at a temperature higher than a temperature such that it leads to the formation of C(O)FX.

Process for the preparation of (per) fluorinated mono-functional carbonyl compounds

Fluorovinyl ethers having the formula CFX&#x2550;CXOCFOR, wherein R is a C&#x2013;Clinear, branched or C&#x2013;Ccyclic (per)fluoroalkyl group, or a C&#x2013;Clinear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X&#x2550;F, H; and homopolymers or polymers obtainable polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.

Process for obtaining hydrofluoroethers of formula (I):A-(R)&#x2014;CF(R)&#x2014;O&#x2014;R&#x2003;&#x2003;(I)wherein a mono- or bifunctional carbonyl compound of formula (IV):B&#x2014;R&#x2014;C(O)R&#x2003;&#x2003;(IV)is reacted with at least one equivalent of a fluoroformate of formula (III)R&#x2014;OC(O)F&#x2003;&#x2003;(III)in the presence of an ion fluoride compound (catalyst) and of a dipolar aprotic organic compound, liquid and inert under the reaction conditions.

Process for preparing hydrofluoroethers

Perfluorodiacylperoxides having the following structures: wherein:

Perfluorodiacylperoxides as polymerization initiators

Use as stabilizers of perfluoropolyether oils at high temperatures, higher than 200&#xb0; C., of compounds not containing phosphor and having the general formula (A): 

Additives for perfluoropolyether oils

A process for preparing acylfluorides by reaction of carbonyl fluoride COFwith compounds having general formula:T=CRR&#x2003;&#x2003;(I)wherein:

Process for preparing acylfluorides

A process for making fluorovinyl ethers having the formula CFX&#x2550;CXOCFOR, wherein R is a C-Clinear, branched or C-Ccyclic (per)fluoroalkyl group, or a C-Clinear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X=F, H; and homopolymers or polymers obtainable by polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.

Method of making fluorovinyl ethers and polymers obtainable therefrom

(Per)haloethers having formula:X&#x2014;(Rf)&#x2014;O&#x2014;CFCF&#x2014;O&#x2014;CXX&#x2014;CFXX&#x2003;&#x2003;(I),process for obtaining them and hypofluorites usable in the synthesis of said (per)haloethers.

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Milan, Italy

Walter Navarrini