Ausimont S.p.a.

Solvay Solexis S.p.a.

Solvay Specialty Polymers Italy S.p.a.

Ausimont S.r.l.

Daimler-benz Ag

Nippon Zeon Company, Ltd.

Solvay Sa

Ausimonth S.p.a.

Vincenzo Arcella

Giulio Brinati

Margherita Albano

Alessandro Ghielmi

Luca Merlo

Marco Apostolo

Vito Tortelli

Graziella Chiodini

Paola Vaccarono

Julio A Abusleme

Francesco Triulzi

Giulio Tommasi

Anna Minutillo

Patrizia Serenella Maccone

Pasqua Colaianna

Giambattista Besana

Hua Wu

Anna M Staccione

Enrico Marchese

Stefano Millefanti

Pierangelo Calini

Enzo Giannetti

Enrico Drioli

Luca Cirillo

Giuseppe Marchionni

Ivan Diego Wlassics

Marco Avataneo

Claudio Adolfo Pietro Tonelli

Mattia Bassi

Alessio Marrani

Aldo Sanguineti

Valeriy Kapelyushko

Paolo Lazzari

Claudio Oldani

Milena Stanga

Valeri Kapeliouchko

Gianna Cirillo

Paula Cojocaru

Marco Mirenda

Shiow-Ching Lin

Raffaele Ferro

Padmanabhan Srinivasan

Fabio Polastri

Paolo Toniolo

Francesco Maria Triulzi

Solange Barbieri

Eliana Ieva

Stefano Ferrero

Marco Colladon

Piergiorgio Bonardelli

Thomas Schuh

Nicasio Edoardo Messina

Fabio Costanzi

Gilberto Nucida

Aniello Gargiulo

Amalia Gordano

Giuseppina Grippaldi

Udo Gayer

Franco Barbieri

Graziell Chiodini

Bradley Kent

Claudio Pizzi

Dionisio D'Auria

Gaetano Bianchi

The present invention pertains to a multilayer tubular article, to processes for the manufacture of said multilayer tubular article and to uses of said multilayer tubular article in upstream applications for conveying hydrocarbons from a well to a floating off-shore unit via a bottom platform.

Methods for making multilayer tubular articles

The invention mainly pertains to a method for heat treating a composition [composition (C)] which contains at least one melt-processible perfluoropolymer [polymer (F)] formed of tetrafluoroethylene (TFE) copolymer with one or more perfluorinated comonomers [comonomer (F)] containing at least one unsaturation of ethylene type in amounts from 0.5% to 13% by weight, preferably from 0.6% to 11% by weight, and more preferably from 0.8% to 9% by weight; said polymer (F) possessing reactive end groups comprising at least one of the group consisting of hydrogen atoms, oxygen atoms and ethylenically unsaturated double bonds in an amount of at least 4.5 mmol/kg, the process comprising at least the step of heat-treating the composition (C) at a temperature of at least 260&#xb0; C.

Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment

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 (per)fluoropolymer compositions, in particular to (per)fluoropolyether compositions comprising:&#x2014;a (per)fluoropolymer having more than two carboxy groups and&#x2014;a polyamine. The invention further relates to processes for preparing said compositions and to molded articles obtained from said compositions.

(Per)fluoropolymer composition

MEA 7-layer assemblies with gasket, comprising:

Assemblies for electrochemical devices

A composite ionomeric membrane comprising a layer or film of a porous inert material on which a (per) fluorinated sulphonic ionomer is deposited wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having:

Composite ionomeric membrane

A composition comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)]; and inorganic particles at least partially coated with at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain R), comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain R) comprising recurring units of formula: &#x2014;(CRR&#x2014;CRR)&#x2014;, wherein R, R, R, R, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C-C(hydro)carbon groups, optionally containing fluorine or other heteroatoms, referably perfluoroalkyl or (per)fluorooxyalkyl. The invention also discloses a method of coating various substrates using said composition.

PVDF coating composition

An ionomeric membrane formed of a sulphonic (per)fluorinated ionomer wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having:

Ionomeric membrane

The present invention pertains to a solar cell module comprising at least one photovoltaic element encapsulated between a front layer on its light receiving surface side and a back layer, said front layer comprising at least one layer comprising a tetrafluoroethylene (TFE) polymer [polymer (F)], said polymer (F) comprising: recurring units derived from TFE; and from 15 to 25% wt of recurring units derived from at least one perfluoromonomer [monomer (CM)] chosen among: (i) perfluoroalkylvinylethers complying with formula CF&#x2550;CFOR, in which Ris a C-Cperfluoroalkyl, e.g. &#x2014;CF, &#x2014;CF, &#x2014;CFand/or (ii) perfluoro-oxyalkylvinylethers complying with formula CF&#x2550;CFOX, in which Xis a C-Cperfluorooxyalkyl having one or more ether groups, like perfluoro-2-propoxy-propyl; and (iii) mixtures thereof. Still objects of the invention are a process for the manufacture of the solar cell module as above defined and its use for producing current to external sources, e.g. for powering a fixed-wing aircraft.

Solar cell module

Catalyst-polymer liquid dispersion (LD) comprising (i) catalyst particles, (ii) polymer particles consisting of at least one (per)fluoro sulfonyl fluoride polymer in the &#x2014;SOF form, and (iii) an aqueous suspending medium. Catalyst coated membrane precursor (CCMP), catalyst coated membrane (CCM) and catalytic ionomeric ink (CII) derived therefrom and methods for their manufacture. Catalyst coated membrane (CCM-CII) derived from said (CII).

Catalyst-polymer liquid dispersion for fuel cell applications

A continuous process for applying subgaskets to surfaces of CCM subassemblies, comprising:

Process for obtaining CCM with subgaskets

The invention pertains to a semi-crystalline fluoropolymer having ion exchange groups comprising recurring units derived from at least one ethylenicalty unsaturated monomer comprising at least one fluorine atom (fluorinated monomer); and a substantial amount of recurring units derived from at least one ethylenically unsaturated monomer comprising at least one ion exchange group (functional monomer), wherein the amount of unstable end groups of &#x2014;COF type is of less than 0.05 mmol/kg, and the use of the stabilized fluoropolymer in fuel cells devices, a membrane and a membrane-electrode assembly.

Semi-crystalline fluoropolymer having ion exchange groups

CCM formed of a membrane having on one of the two surfaces a first electrocatalytic layer containing a catalyst and on the other one a second electrocatalytic layer containing a catalyst, said electrocatalytic layers and said membrane containing (per)fluorinated ionomers, said CCM having the following characteristics:

CCM composite

Growing community of inventors

Milan, Italy

Vincenzo Arcella