Ausimont S.p.a.

Solvay Specialty Polymers Italy S.p.a.

Solvay Sa

Solvay Solexis S.p.a.

Politecnico Di Torino

Syensqo Sa

Giambattista Besana

Julio A Abusleme

Giulio Brinati

Claudia Manzoni

Pasqua Colaianna

Ségolène Brusseau

Alberto Frache

Vincenzo Arcella

Christine Hamon

Giovanni Camino

Mattia Bassi

Serena Carella

Marco Mirenda

Matteo Lavaselli

Giuseppe Marchionni

Alessio Marrani

Bradley Lane Kent

Padmanabhan Srinivasan

Giandomenico Vita

Mehdi M Emad

Paolo Toniolo

Letanzio Bragante

Marco Colladon

Amelia Mennella

Régis Faig

Stephen Edmondson

Andrea Zucchelli

Nicasio Edoardo Messina

Maria Letizia Focarete

Emanuele Di Nicolo

Luca Colombo

Alberto Cisternino

Daniele Battegazzore

Suneel Bandi

Segolene Brusseau

Chiara Gualandi

Jennifer Katty Tata

Nicasio Messina

Regis Faig

The present invention pertains to vinylidene fluoride copolymers having improved flexibility, said copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers, to a process for the manufacture of said copolymers, and to their use in applications where outstanding flexibility is required.

Flexible PVDF polymers

The invention pertains to a process for the manufacture of a polymer electrolyte membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte obtained thereof and to uses of said polymer electrolyte and membranes obtained therefrom in various applications, especially in electrochemical and in photo-electrochemical applications.

Fluoropolymer hybrid composite

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a film comprising said fluoropolymer hybrid organic/inorganic composite and to uses of said film in various applications, especially in electrochemical and in photo-electrochemical applications.

The invention pertains to a fluoropolymer composition comprising certain tetrafluoroethylene/perfluoromethyvinylether copolymers having well-defined TFE/MVE monomer composition and possessing low molecular weight and a white pigment, to the use of this latter for manufacturing shaped articles, and to shaped articles therefrom, including components of light emitting apparatuses, e.g. LED assemblies.

Fluoropolymer composition for components of light emitting apparatuses

The invention pertains to a fluoropolymer composition comprising: &#x2014;at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE) [ECTFE polymer]; &#x2014;at least one water-soluble polyelectrolyte [polyelectrolyte (E)]; and&#x2014;at least one antioxidant compound [compound (P)], said composition having improved thermal resistance.

Fluoropolymer composition

The present invention pertains to a cable comprising: &#x2014;at least one conductor coated by an insulation coating layer, &#x2014;a first protective layer surrounding said insulation coating layer, said first protective layer at least comprising, but preferably being made of a tetrafluoroethylene (TFE) copolymer comprising from 0.8% to 2.5% by weight of recurring units derived from at least one perfluorinated alkyl vinyl ether having formula (I) here below: CF&#x2550;CF&#x2014;O&#x2014;R, wherein Ris a linear or branched C-Cperfluorinated alkyl group or a linear or branched C-Cperfluorinated alkyl group comprising one or more ether oxygen atoms, said TFE copolymer having a melt flow index comprised between 1.0 and 6.0 g/10 min, as measured according to ASTM D1238 at 372&#xb0; C. under a load of 5 Kg [polymer (F)]; &#x2014;optionally, a second protective layer surrounding said first protective layer, and &#x2014;an armor shell surrounding said first or second protective layer. The invention also pertains to use of the cable in downhole wells.

Downhole cable

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a film comprising said fluoropolymer hybrid organic/inorganic composite and to uses of said film in various applications, in particular in electrochemical and in photo-electrochemical applications.

The present invention pertains to a process for manufacturing one or more fluoropolymer fibers, said process comprising the following steps: (i) providing a liquid composition [composition (C1)] comprising: &#x2014;at least one fluoropolymer comprising at least one hydroxyl end group [polymer (F)L and &#x2014;a liquid medium comprising at least one organic solvent [solvent (S)]; (ii) contacting the composition (C1) provided in step (i) with at least one metal compound [compound (M)] of formula (I) here below: XAY(I) wherein X is a hydrocarbon group, optionally comprising one or more functional groups, m is an integer from 1 to 4, A is a metal selected from the group consisting of Si, Ti and Zr, and Y is a hydrolysable group selected from the group consisting of an alkoxy group, an acyloxy group and a hydroxyl group, thereby providing a liquid composition [composition (C2)]; (iii) submitting to at least partial hydrolysis and/or polycondensation the composition (C2) provided in step (ii) thereby providing a liquid composition [composition (C3)] comprising at least one fluoropolymer hybrid organic/inorganic composite; (iv) processing the composition (C3) provided in step (iii) by electrospinning thereby providing one or more fluoropolymer fibers; (v) drying the fluoropolymer fiber(s) provided in step (iv); and (vi) optionally, submitting to compression the fluoropolymer fiber(s) provided in step (v) at a temperature comprised between 50&#xb0; C. and 300&#xb0; C. The invention also pertains to a process for the manufacture of said fluoropolymer fiber(s) and to uses of said fluoropolymer fiber(s) in various applications.

Fluoropolymer fibre

The invention pertains to foamable thermoplastic fluoropolymer composition comprising:

Foamable fluoropolymer compositions

The present invention pertains to a multilayer assembly, to a process for the manufacture of said multilayer assembly, to a pipe comprising said multilayer assembly and to uses of said pipe in various applications.

Multilayer assembly

The invention pertains to a process for manufacturing a fluoropolymer hybrid organic/inorganic composite comprising: (i) partially hydrolyzing and/or polycondensing, in the presence of an aqueous medium, a metal compound of formula (I): X4-mAYim, wherein X is a hydrocarbon group, Y is a hydrolysable group selected from the group consisting of an alkoxy group, an acyloxy group and a hydroxyl group, A is a metal selected from the group consisting of Si, Ti and Zr, and m is an integer from 1 to 4, so as to obtain an aqueous medium comprising a pre-gelled metal compound comprising one or more inorganic domains consisting of &#x2261;A-O-A&#x2261; bonds and one or more residual hydrolysable groups Y [compound (M)], and then (ii) reacting in the molten state at least a fraction of hydroxyl groups of a functional fluoropolymer [polymer (F)] with at least a fraction of hydrolysable groups Y of said pre-gelled metal compound [compound (M)], so as to obtain a fluoropolymer hybrid organic/inorganic composite. The invention also pertains to uses of said fluoropolymer hybrid organic/inorganic composite in several applications.

Process for manufacturing fluoropolymer hybrid composites

A process for lining a metal pipeline, which process generally utilizes thermoplastic fluoropolymer pipe liner Also, a pipeline system that includes at least two coaxial pipes, an outer metal pipe and inner thermoplastic fluoropolymer pipe. The thermoplastic fluoropolymer pipe/pipe liner is made from a composition that generally includes from 10% to 60% by weight of at least one vinylidene fluoride (VDF) homopolymer, from 40% to 90% by weight of at least one VDF copolymer comprising from 2% to 15% by moles of recurring units derived from at least one other fluorinated comonomer (F), and optionally at least one plasticizer.

Process for lining metal pipelines

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

The invention pertains to a multi-phase thermoplastic fluoropolymer composition, comprising a thermoplastic fluoropolymer and discrete domains of melt-processable perfluoropolymer, to the articles therefrom and to a process for manufacturing thermoplastic fluoropolymer compositions. The multi-phase thermoplastic fluoropolymer composition comprises: &#x2014;at least one thermoplastic fluoropolymer (A); and &#x2014;from 0.1 to 10% by weight of (A) of at least one melt-processible perfluoropolymer (B), and is characterized in that the polymer (B) is present in the composition in phase-separated domains in a continuous phase mainly comprising (A), at least 75% by volume of said domains having maximal dimension not exceeding 1 &#x3bc;m. The process of the invention comprises mixing: (i) a thermoplastic fluoropolymer (A); (ii) a melt-processible perfluoropolymer (B) under the form of particles having an average primary particle size not exceeding 300 nm; (iii) and optionally other additives or filling materials.

Thermoplastic fluoropolymer composition

Metal substrates having a coating based on ethylene/chlorotrifluoroethylene (E/CTFE) having a Tof 230&#xb0; C.-264&#xb0; C. and a MFI lower than 5 g/10'.

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Mariano Comense, Italy

Giambattista Besana