Solvay Specialty Polymers Italy S.p.a.

Technip France

Marco Mirenda

Aldo Sanguineti

Pasqua Colaianna

Julio A Abusleme

Giulio Brinati

Giambattista Besana

Mattia Bassi

Valeriy Kapelyushko

Vincenzo Arcella

Christine Hamon

Matteo Fantoni

Satchit Srinivasan

Eliana Ieva

Régis Faig

Nicasio Edoardo Messina

Giorgio Canil

Nicasio Messina

The present invention relates to a polymeric composition comprising: one or more vinylidene fluoride (VDF) polymers, from 1 to 100 parts, preferably from 2 to 50 parts, more preferably from 2 to 30 parts, even more preferably from 3 to 20 parts by weight for 100 parts of VDF polymer of a plurality of particles of graphite, wherein said particles of graphite have an D90 particle size as measured with laser scattering of less than 50 μm, preferably from 2 to 30 μm more preferably from 2 to 20 μm, even more preferably from 2 to 10 μm and a BET specific surface of from 10 to 50 m/g, preferably 15 to 35 m/g. The invention also relates to tubular articles comprising the composition and to their use in oil and gas operations.

Polymeric compositions comprising VDF polymers and graphite

The present invention relates to a fluorine-containing thermoplastic elastomer composition comprising a continuous thermoplastic fluorocarbon polymer phase and a dispersed fluorine-containing elastomer phase which are useful, for example, in automotive fuel lines.

Fluorine-containing thermoplastic elastomer composition

The present invention relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one fluoroelastomer, which has improved dispersibility and improved mechanical properties. The invention also relates to a process for the preparation of said polymer alloy and to an article comprising the same.

Polymer alloy comprising a sulphur-containing aromatic polymer and a fluoroelastomer

The present invention relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one fluoropolymer, which has improved dispersibility and improved mechanical properties. The invention also relates to a process for the preparation of said polymer alloy and to an article comprising the same.

Polymer alloy comprising a sulphur-containing aromatic polymer and a VDF-based polymer

The present invention relates to new fluorinated thermoplastic elastomer compositions comprising a continuous thermoplastic fluorocarbon polymer phase and a dispersed vulcanized fluorine-containing elastomer phase having improved thermal processability.

Composition containing fluorinated thermoplastic elastomers and vulcanizates

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 relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one thermoplastic vulcanizate which has an improved dispersibility, to a process for the preparation thereof and to articles comprising the same.

Polymer alloy comprising a sulphur-containing aromatic polymer and a thermoplastic vulcanizate

The present invention pertains to a process for the manufacture of a dense film. The process includes processing, in a molten phase, a solid composition [composition (C)] comprising; at least one vinylidene fluoride (VDF) fluoropolymer comprising one or more carboxylic acid functional end groups [polymer (F)], at least one poly(alkylene oxide) (PAO) of formula (I):HO&#x2014;(CHCHRO)&#x2014;R&#x2003;&#x2003;(I) wherein Ris a hydrogen atom or a C-Calkyl group, Ris a hydrogen atom or a &#x2014;CHalkyl group and n is an integer comprised between 2000 and 40000, preferably between 4000 and 35000, more preferably between 11500 and 30000, and -optionally, at least one inorganic filler [filler (I)]; thereby providing a dense film having a thickness of from 5 &#x3bc;m to 30 &#x3bc;m. The present invention also pertains to the dense film provided by this process and to the use of the dense film as dense separator in electrochemical devices.

Dense fluoropolymer film

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

The invention mainly pertains to a process for heat treating a composition [composition (C)] which contains at least one melt-processible perfluoropolynner [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; the process comprising at least the step of heat-treating the composition (C) at a temperature of at least 260&#xb0; C. and in the absence of a melt flowable polytetrafluoroethylene. The invention is also related to a melt-processible perfluoropolynner [polymer (F1)] 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, wherein a particular relation between comonomer (F) content and first melting temperature of polymer (F1) is satisfied.

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.

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Rho, Italy

Marco Mirenda