Solvay Specialty Polymers Italy S.p.a.

Solvay Solexis S.p.a.

Nuvera Fuel Cells Europe Srl

Centre National De La Recherche Scientifique

Rhodia Operations

Solvay Specialty Polymers Usa, LLC

Nuvera Fuel Cells, Inc.

Solvicore Gmbh & Co Kg

Luca Merlo

Alessandro Ghielmi

Vincenzo Arcella

Claudio Oldani

Antonino Toro

Vito Tortelli

Stefano Millefanti

Paola Vaccarono

Elvira Pagano

Gian Piero Fleba

Daniele Facchi

Alessandro Veneroni

Eduardo Trifoni

Luca Cirillo

Matteo Lenardon

Chantal Louis

Ivan Diego Wlassics

Yan Zhao

Mattia Bassi

Giuseppe Faita

Floryan Decampo

Cristiano Monzani

Ryan Hammonds

Massimo Brambilla

Enrico Ramunni

Zhaoyu Fan

Gabriele Mazzucchelli

Ruben Ornelas Jacobo

Xiaoshuang Feng

Francesca Liguori

Pierluigi Barbaro

Marcello Liotta

Martina Corasaniti

Matthias Binder

Carmen Moreno-Marrodan

Gilberto Nucida

Stefano Tonella

Fabio Traini

Paolo Binelli

Antonio Salvatore Arico

Giampaolo Brignoli

Claudia D'Urso

Paolo Monzani

Vincenzo Baglio

Zhi Yang Xue

Alexander Chistyakov

Michele Del Gaudio

Claudia D' Urso

Toro Antonino

Rubén Ornelas Jacobo

The invention pertains to a method of making fluoropolymer dispersions using certain polymeric 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 to fluoropolymer dispersions therefrom.

Method for making fluoropolymers

The invention pertains to composition of fluoroplastic and poly(aryletherketone), to method of making the same, and to shaped products therefrom, including notably wire sheaths, which combine advantageous performances of both ingredients, which can be easily manufactured through conventional equipment's, and which notably deliver room temperature toughness, in combination with notably chemical resistance and dielectric properties of fluoroplastics and with mechanical performances of poly(aryl ether ketone)s.

Melt-processable composition

The present invention relates to a liquid composition comprising a polymer bearing &#x2014;SO3H groups and a perfluoroelastomer, a method for manufacturing said liquid composition and an article manufactured by using said composition. Preferably, said article is a proton exchange membrane, which shows at the same time good mechanical resistance and electrochemical properties and is useful for example as separator in fuel cells.

Liquid composition for proton exchange membranes

A liquid composition comprising at least one aprotic organic solvent and at least one fluorinated ion exchange polymer which consists of recurring units derived from a chlorofluoroolefin of formula CF&#x2550;CCIY, wherein Y is F or CI, and from at least one fluorinated functional monomer selected among those of formula CF&#x2550;CF&#x2014;O&#x2014;(CFCF(CF)O)&#x2014;(CF)SOX, wherein m is an integer equal to 0 or 1, n is an integer from 0 to 10 and X is chosen among halogens (CI, F, Br, I), &#x2014;OM, wherein Mis a cation selected among H, NH, K, Li, Na, or mixtures thereof is disclosed. The liquid composition is suitable for the preparation of ion exchange membranes, in particular composite membranes, for use in fuel cell applications.

Liquid compositions of fluorinated ion exchange polymers

The invention pertains to a process for manufacturing certain (per)fluoroionomer liquid compositions, comprising, inter alia, at least one of fluorination and treatment with a polar solvent, to the liquid compositions therefrom having an improved solids content/surface tension/liquid viscosity compromise, to the use of the same for manufacturing composite membranes and to composite membranes obtainable therefrom.

Fluoroionomers dispersions having a low surface tension, low liquid viscosity and high solid content

The present invention relates to a process for the one-pot hydrogenation and dehydration or isomerization of an organic compound, and to a catalyst composition for this process comprising transition metal particles having particle size below 50 nm supported on a material comprising at least one fluorinated polymer (P), wherein polymer (P) bears &#x2014;SOX functional groups, X being selected from X' and OM, X&#x2032; being selected from the groups consisting of F, Cl, Br and I; and M being selected from the group consisting of H, and alkaline metal and NH.

One-pot process using heterogeneous catalyst

Disclosed is a process for preparing at least one ether compound, comprising reacting at least one alcohol (I) with at least one polyol (II) in the presence of a functional polymer [polymer (F)] as a catalyst (X), wherein: the alcohol (I) is represented by the general formula (1): R1-OH (1) wherein R1 is a hydrocarbon group having 1 to 36 carbon atoms, the polyol (II) is represented by the general formula (2): R2-(OH) m (2) wherein R2 represents the skeleton moiety of the polyol and m is an integer of from 2 to 20, and polymer (F) is a polymer comprising recurring units derived from at least one ethylenically unsaturated monomer [monomer (M)] and bearing at least one cation exchange group. Further disclosed is a surfactant composition obtained by said process, and featuring an excellent detergency performance.

Surfactant composition comprising ether compound and catalytic process for manufacturing thereof

A mixed oxide of Si and at least one metal M comprising inorganic groups &#x2014;SOH. The addition of the mixed oxide to fluorinated polymers containing sulfonic acid functional groups increases their stability towards radical degradation when used in fuel cell applications.

Mixed metallic oxides as scavengers for fluorinated ion exchange polymers

A membrane fuel cell delimited by bipolar plates comprising a cathodic compartment and an anodic compartment, said cathodic compartment comprising means for feeding air from the bottom to the top, said anodic compartment comprising means for feeding a hydrogen-containing fuel from the top to the bottom, at least one of said cathodic and anodic compartment comprising a flow distributor consisting of a porous material and a method of operating cell said.

Membrane fuel cell countercurrent-fed with non-humidified air

A process for reducing the amount of soluble polymeric fractions in a sulfonyl fluoride polymer. The process comprises contacting the sulfonyl fluoride polymer with a fluorinated fluid followed by separation of the polymer from the fluid. The fluorinated fluid is selected from hydrofluoroethers and hydrofluoropolyethers. The invention further relates to sulfonyl fluoride polymers obtainable by the process and having a heat of fusion not exceeding 4 J/g and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising a sulfonyl functional group exceeding 24 mole %. The sulfonyl fluoride polymers so obtained are particularly suitable for the preparation of ionomeric membranes for use in electrochemical devices.

Process for the treatment of sulfonyl fluoride polymers

The present invention pertains a fluoropolymer [polymer (F)] comprising: &#x2014;recurring units derived from at least one ethylenically unsaturated fluorinated monomer [monomer (FM)]; &#x2014;from 5% to 60% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived at least one ethylenically unsaturated fluorinated monomer containing at least one &#x2014;SOF functional group [monomer (IO)]; and &#x2014;from 0.01% to 10% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from at least one monomer comprising an azide group [monomer (Az)], to a process for its manufacture, to a cross-linkable composition comprising the same, to a process for cross-linking the same and to articles comprising the cross-linked polymer.

Cross-linkable polymers comprising sulfonic acid functional groups

A process for the preparation of cross-linked fluorinated polymers comprising sulfonic acid functional groups comprising the steps of: a) providing at least one fluorinated polymer (P) comprising at least one &#x2014;SOM functional group and less than 2% of &#x2014;SOF functional groups with respect to the total amount of &#x2014;SO3M and &#x2014;SOF functional groups, wherein each M is selected from H and alkaline metals; and b) reacting said fluorinated polymer with at least one cross-linking agent of formula R(X)n under conditions that promote the formation of covalent bonds between the at least one functional group &#x2014;SOM of fluorinated polymer (P) and at least one functional group X of the cross-linking agent.

Process for the preparation of cross-linked fluorinated polymers

The present invention provides a fluorinated ionomer [polymer (I)] comprising recurring units derived from at least the following monomers: (i) 5 to 50% by weight of a fluorinated monomer [monomer (A)] containing at least one &#x2014;SOX functionality, preferably having the formula of CF&#x2550;CF&#x2014;O&#x2014;(CFCF(CF)O)&#x2014;(CF)SOX (I) wherein m is 0 or 1, n is an integer between 0-10, and X is selected from F, OH, and OMe, wherein Meindicates an alkali metal ion or an ammonium cation of formula NRwhere each R independently represents a hydrogen atom or a monovalent organic radical selected from aliphatic radicals having from 1 to 8 carbon atoms and arylic or alicyclic radicals having from 3 to 8 carbon atoms; (ii) a non-functional fluorinated monomer [monomer (B)] having at least one ethylene unsaturation; and (iii) a fluorinated polyfunctional compound having the general formula: (CRR&#x2550;CFCF&#x2014;O)&#x2014;R&#x2014;((O)&#x2014;CF&#x2550;CRR)(II) wherein: a is an integer equal to or larger than 1, preferably a is 1, 2, or 3; b is 0 or 1 and the sum of a and b is an integer equal to or larger than 2; c is 0 or 1; R, R, Rand Rare independently selected from F, H, alkyl, alkoxy, polyoxy alkyl, perfluoroalkyl, perfluoroalkoxy or perfluoropolyoxy alkyl, preferably F; and Rrepresents a hydrocarbon or fluorocarbon group having at least two carbon atoms. The low-EW perfluorinated ionomers made of polymer (I) are adapted to be processed into thin films, which are found to have superior physical stability than the existing products and are thus well suited for low humidity or high temperature electrochemical applications. Moreover, these low-EW ionomers are melt processable and have limited loss of volatile substances at their melt processing temperatures.

Allyl-bearing fluorinated ionomers

A process for the purification from ionic impurities of a fluoroionomer liquid composition, comprising: providing a liquid composition comprising at least one fluoroionomer (I-1) in a liquid medium, the liquid composition comprising ionic impurities; contacting the liquid composition with a solid particulate comprising at least one fluoroionomer (I-2) having ion exchange groups, wherein Hor OHions are bound to at least a fraction of such ion exchange groups, and separating the liquid composition from the solid particulate.

Purification of fluoroionomer compositions

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Montorfano, Italy

Luca Merlo