Ausimont S.p.a.

Solvay Specialty Polymers Italy S.p.a.

Solvay Solexis S.p.a.

Ausimont S.r.l.

Montedison S.p.a.

Solvay Sa

Solvay Solexis, Inc.

Austmont S.p.a.

Austimont S.r.l.

Ausimot Spa

Giuseppe Marchionni

Pier Antonio Guarda

Ugo De Patto

Ivan Diego Wlassics

Marco Avataneo

Gian Tommaso Viola

Claudio Adolfo Pietro Tonelli

Vito Tortelli

Ezio Strepparola

Anna M Staccione

Gianfranco Spataro

Gerardo Caporiccio

Mario Visca

Antonio Marraccini

Stefano Millefanti

Silvia Rita Petricci

Claudio Tonelli

Piero Gavezotti

Solange Barbieri

Elvira Pagano

Letanzio Bragante

Marco Apostolo

Antonio Pasquale

Gianangelo Bargigia

Aldo Sanguineti

Matteo Fantoni

Gianna Cirillo

Giulio Tommasi

Rossella Silvani

Raffaele Ferro

Luciano Flabbi

Dario Sianesi

Mirko Tavano

Vincenzo Arcella

Giulio Brinati

Giovanni Moggi

Giambattista Besana

Marco Galimberti

Pasqua Colaianna

Alba Chittofrati

Patrizia Serenella Maccone

Alessio Marrani

Claudio Oldani

Valeriy Kapelyushko

Mark G Reichmann

Valeri Kapeliouchko

Mario Padovan

Paula Cojocaru

Enzo Giannetti

Guglielmo Gregorio

Shiow-Ching Lin

Stefania Albonetti

Emanuela Antenucci

Padmanabhan Srinivasan

Ivan Falco

Eliana Ieva

Francesco Maria Triulzi

Giuseppe Fornasari

Theodore Moore

Marco Colladon

Giovanni Boccaletti

Alberto Zompatori

Marco Piccinini

Emanuele Di Nicolo

Alberto Nicoletti

Adriana Tasca

Manuel Gregori

Sanjay Gurbasappa Charati

Maurizio Paganin

Pio De Iorio

Ritu Ahuja

Gourav Upadhyay

The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO.sub.3X.sub.a, —PO.sub.3X.sub.a and —COOX.sub.a, whereas X.sub.a is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.

Method for making fluoropolymers

The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of &#x2014;SOX, &#x2014;POXand &#x2014;COOX, whereas Xis H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.

A method for the manufacture of perfluorinated compounds is herein disclosed. In particular, the method is useful for the manufacture of perfluorooxyalkyl carboxylic acid salts which can be used as surfactants. The method envisages the fluorination or a fluoroformate of an alcohol comprising a &#x2014;CHOCH-moiety at a temperature equal to or higher than 20&#xb0; C. and allows obtaining high yields and selectivity.

Method for the manufacture of fluorinated compounds

A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.

Process for the synthesis of (per)fluoropolyether amines

The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications.

Crosslinkable fluoropolymers

Disclosed are mixtures containing: mono- and bi-functional polymers [polymers (P-A) and (P&#x2014;B)] comprising a plurality of (per)fluoropolyether segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers having two ends, wherein one or both ends comprises a hydroxy or a leaving group; a non-functional polymer comprising a plurality of (per)fluoropolyether segments (S) joined together by hydrogenated (poly)ether segments (S), with the proviso that the hydrogenated (poly)ether segments (S) are not segments of formula &#x2014;CHOCHOCH&#x2014;. Disclosed are also monofunctional polymers (P-A) that can be isolated from such mixtures. Methods for the obtainment of the mixtures and for separating the polymers therein contained are also provided, as well as methods of using the mixtures or each polymer therein contained as intermediates or building blocks for the synthesis of other polymers or as ingredients of compositions.

Mixtures of mono-, bi- and non-functional fluorinated polymers comprising a plurality of (per)fluoropolyether segments

The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers.

Polyamides modified with (per)fluoropolyether segments

The present invention relates to non-aqueous fluoropolymer compositions useful for the preparation of polymeric materials.

Non-aqueous cross-linkable fluoropolymer compositions

The invention pertains to foamable thermoplastic fluoropolymer composition comprising:

Foamable fluoropolymer compositions

A polymer [polymer (P)] comprising a plurality of (per)fluoropolyether (PFPE) segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers (P) having two end groups [groups (E)], each group (E) comprising a hydroxy or a leaving group, with the proviso that the hydrogenated (poly)ether segment (S) is not a segment of formula &#x2014;CHOCHOCH&#x2014; is herein disclosed. Disclosed is also a method for the manufacture of polymer (P) and a polymer obtainable by full or partial fluorination of polymer (P). Polymer (P) and polymers obtainable therefrom by full or partial fluorination can be conveniently used in the manufacture of lubricant compositions or of compositions for imparting hydro-/oleo-repellence to substrates. Said polymers can also be used as intermediates for the manufacture of other polymers or block copolymers.

Bifunctional fluorinated polymers comprising a plurality of (per)fluoropolyether segments

The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B):RfO&#x2014;CRf'X&#x2014;CRf&#x2033;Rf&#x2032;&#x2033;X&#x2033;&#x2003;&#x2003;(I-A)wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf&#x2032;, Rf&#x2033; and Rf&#x2032;&#x2033;, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X&#x2032;, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*&#x2032;, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X&#x2032; are as above defined;said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and of group IB.

Method for manufacturing perfluorovinylethers

The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a fluorinated polymer suitable to be cross-linked and at least one fluorinated aromatic compound. 

Curable composition

A poly-[1-4]-D-glucosamine derivative comprising [1-4]-D-glucosamine recurring units and comprising a fluoropolyether chain bound to the nitrogen atom in the C-2 position of at least one of the [1-4]-D-glucosamine recurring units.

Fluorinated chitosan derivatives

The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X, X, X, equal or different from each other are independently selected among H, F, and C(per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; Ris a divalent fluorinated Cbridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.

Method for manufacturing fluoropolymers

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Milan, Italy

Giuseppe Marchionni