Solvay Specialty Polymers Italy S.p.a.

Solvay Solexis S.p.a.

Ausimont S.p.a.

Solvay Sa

Aldo Sanguineti

Marco Mirenda

Giulio Brinati

Giuseppe Marchionni

Ivan Diego Wlassics

Stefano Turri

Matteo Fantoni

Pasquale Campanelli

Massimo Scicchitano

Julio A Abusleme

Vincenzo Arcella

Walter Navarrini

Claudia Manzoni

Marco Avataneo

Pasqua Colaianna

Mattia Bassi

Claudio Adolfo Pietro Tonelli

Young Moo Lee

Bruno Scrosati

Enzo Giannetti

Satchit Srinivasan

Fernand Gauthy

Enrico Drioli

Emanuele Di Nicolo'

Eliana Ieva

Emanuele Di Nicolo′

Stefania Panero

Fiorenza D'Aprile

Suk Young Lee

Roberto Biancardi

Emanuele Di Nicolo

Zhaoliang Cui

Naser Tavajohi Hassankiadeh

Andrea Perego

Patrizia D'Orazio

Claudio Adolfo Tonelli

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 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 manufacturing a fluoropolymer membrane, said process comprising the following steps: (i) providing a composition [composition (C)] comprising, preferably consisting of: at least one fluoropolymer [polymer (F)], a water-soluble liquid medium [medium (M)] comprising, preferably consisting of at least one solvent selected from the group consisting of diesters of formula (I-), esteramides of formula (I-) and diamides of formula (I-); R(O&#x2550;)CO-A-OC(&#x2550;O)R(I-) RO(O&#x2550;)C-A-C(&#x2550;O)NRR(I-) RRN(O&#x2550;)C-A-C(&#x2550;O)NRR(I-) wherein: Rand R, equal to or different from each other, are independently selected from the group consisting of C-Chydrocarbon groups; R, R, Rand R, equal to or different from each other, are independently selected from the group consisting of hydrogen, C-Chydrocarbon groups, possibly substituted, being understood that R, R, Rand Rmight be part of a cyclic moiety including the nitrogen atom to which they are bound, said cyclic moiety being possibly substituted and/or possibly comprising one or more than one additional heteroatoms, Ais a C-Cdivalent alkylene group comprising one or more ether oxygen atoms, Aand A, equal to or different from each other, are independently C-Cdivalent alkylene groups, optionally comprising one or more ether oxygen atoms and/or one or more functional side groups; (ii) processing the composition (C) at a temperature of at least 100&#xb0; C. thereby providing a film; (iii) cooling the film provided in step (ii) to a temperature below 50&#xb0; C.; (iv) contacting the film provided in step (iii) with a non-solvent medium [medium (M NS)] thereby providing a fluoropolymer membrane; and (v) optionally, drying the fluoropolymer membrane provided in step (iv).

Process for manufacturing fluoropolymer membranes

The invention relates to a composite comprising a porous substrate at least partially coated with a coating layer prepared from curing a coating composition (C), the coating composition (C) comprising at least one curable perfluoropolyether (PFPE) polymer. The invention further relates to a process for manufacturing a composite as afore-described, comprising the steps of: (a) providing a coating composition (C) comprising at least one curable perfluoropolyether (PFPE) polymer; (b) depositing said coating composition (C) on a porous substrate; and (c) crosslinking said coating composition (C) to form a porous substrate at least partially coated.

Composite membrane comprising layer of perfluoropolyether on hydrophilic substrate

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

The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): R&#x2014;(CH&#x2014;O)&#x2014;(CHCHRO)&#x2014;(CH&#x2014;O)&#x2014;R, wherein at least one of Rand Ris a reactive group comprising at least one heteroatom selected from oxygen and nitrogen different from the hydroxyl group, the remaining, if any, being a &#x2014;[O]&#x2014;CHalkyl group, wherein z is 0 or 1, Ris a hydrogen atom or a C-Calkyl group, x and x', equal to or different from each other, are independently 0 or 1, and n is an integer comprised between 2 and 1000, preferably between 5 and 200, C) optionally, in the presence of at least one catalyst, and D) optionally, in the presence of at least one organic solvent (S). The present invention also pertains to grafted fluoropolymers obtained from said process and to uses of said grafted fluoropolymers for manufacturing porous membranes.

Hydrophilic fluoropolymer

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 polymer suitable to be cross-linked and to the cured article obtained therefrom. 

Use in LAN cable applications, as materials for the coating of the primary cable and for the external jacket, of TFE thermoprocessable perfluoropolymers comprising perfluoroalkylvinylethers in the following amounts, expressed as percent by weight on the total of the monomers: a) 0-5.5% of perfluoromethylvinylether (PMVE); b) 0.4-4.5% of perfluoroethylvinylether (PEVE) and/or perfluoropropylvinylether (PPVE); when a) is present, then a)+b) ranges from 1.5% to 5.5% by weight on the total of the monomers; optionally c) 0-6% of hexafluoropropene (HFP); the TFE amount being the complement to 100% by weight.

LAN cables

Fluoropolymer compositions and inorganic nanometric particles

A process for preparing membranes formed by (per) fluorinated ionomeric electrolytes salified with the lithium ion, comprising the following steps:

Process for preparing ionomeric membranes

An impregnation process of a porous support including immersing the support in an aqueous colloidal dispersion of ionomeric (per)fluorinated polymer, containing suiphonyl fluoride groups and having a concentration greater than 15% by weight, thermal treatment at 200&#xb0; C. or less, conversion of the ionomer sulphonyl groups into the corresponding salts, ionomer crosslinking when ionomer equivalent weight is less than 650 g/eq.

Growing community of inventors

Milan, Italy

Aldo Sanguineti