Solvay Specialty Polymers Italy S.p.a.

Solvay Solexis S.p.a.

Rhodia Operations

Serena Carella

Giulio Brinati

Julio A Abusleme

Mirko Mazzola

Mattia Bassi

Stefano Mortara

Andrea Vittorio Oriani

Paolo Toniolo

Amelia Mennella

Marco Avataneo

Giambattista Besana

Bradley Lane Kent

Elena Molena

Stefana Musio

Marco Colladon

Fiorenza D'Aprile

Stephen Edmondson

Vito Tortelli

Ivan Diego Wlassics

Alessandro Ghielmi

Pasqua Colaianna

Alessio Marrani

Matteo Fantoni

Valérie Buissette

Valeriy Kapelyushko

Stefano Millefanti

Ségolène Brusseau

Thierry Le-Mercier

Maurizio Biso

Liubov Chernysheva

Emanuele Di Nicolo'

Fabio Polastri

Eliana Ieva

Emanuele Di Nicolo′

Marco Dossi

Antonello Casale

Giorgio Maggi

Caterina Bocchia

Suneel Bandi

Luciano Miozzo

The present invention relates to a process for preparing a fluoropolymer in a liquid reaction medium, comprising the following steps:

Method for manufacturing fluoropolymers

A process for the preparation of perhaloacyl peroxides from perhaloacyl halides which is performed in the presence of a hydrofluoroether as the solvent.

Process for the preparation of perhaloacyl peroxides

The present invention pertains to an aqueous dispersion of a vinylidene fluoride polymer having a high molecular weight and possessing a substantially linear structure, leading to reduced amount of gels/insoluble fractions, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators or for the manufacture of membranes.

Vinylidene fluoride polymer dispersion

The invention pertains to novel fluorinated thermoplastic elastomers, including PCTFE-like plastomeric blocks, contributing substantially to the improvement of sealing performances upon increasing temperature of the fluorinated thermoplastic elastomers comprising the same.

Fluorinated thermoplastic elastomers

Provided are fluorinated block copolymers comprising alternating hard blocks and soft blocks, wherein both said hard and soft blocks comprise vinylidenfluoride (VDF). Also provided is the use of said block copolymers in applications for lithium batteries including an electrochemical cell and a separator for an electrochemical cell which is coated with a composition comprising the fluorinated block copolymers. Further provided is a process for the manufacture of the separator.

Fluorinated block copolymers and application thereof

The present invention relates to a method for stabilizing aqueous dispersions, notably of polymers based on vinylidene fluoride (VDF), and to the use of the stabilized aqueous dispersion thus obtained in electrochemical applications.

Method for stabilizing aqueous dispersions of fluorinated polymers

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 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 invention pertains to a multilayer assembly comprising:

The present invention relates to a method for manufacturing of partially fluorinated polymers, notably vinylidene fluoride (VDF)-based polymers, in emulsion polymerization, and to a polymer obtained from said method.

Method for manufacturing partially fluorinated polymers

The invention pertains to a fluoropolymer composition [composition (C)] comprising:&#x2014;at least one semi-crystalline polymer comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g [polymer (A)]; and&#x2014;from 0.05 to 15% by weight, based on weight of polymer (A), of at least one ethylene copolymer with at least one long chain a-olefin having a number of carbon atoms of 6 or more, and possessing a density of less than 0.900 g/cm3, as determined according to ASTM D792; to a method for its manufacture and to its use for manufacturing cables.

The present invention pertains to a fluorosurfactant free aqueous dispersion of an acrylic-modified vinylidene fluoride polymer, possessing a melt viscosity of at least 30 kPoise, and possessing an amount of end groups of formula &#x2014;CH&#x2014;OH of at least 5 mmol/kg, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.

Fluorinated surfactant-free aqueous dispersion of a vinylidene fluoride copolymer comprising hydroxyl groups

The present invention pertains to a polyurethane fluoropolymer [polymer (F)] obtainable by reacting: (i) at least one fluoropolymer [polymer (F)] comprising one or more recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I) here below: wherein: &#x2014;R, Rand R, equal to or different from each other, are independently selected from a hydrogen atom and a C-Chydrocarbon group, &#x2014;Ris a C-Chydrocarbon group comprising from 1 to 5 hydroxyl groups, x being an integer comprised between 1 and 5, and, optionally, comprising one or more functional groups selected from double bonds, epoxy, ester, ether and carboxylic acid groups, with (ii) at least one isocyanate compound comprising at least one isocyanate functional group [compound (I)], (iii) optionally in the presence of one or more chain extenders, said polyurethane fluoropolymer [polymer (F)] comprising at least one bridging group having formula (a) here below: wherein: &#x2014;Ris a C-Chydrocarbon group comprising from 1 to 5 urethane moieties, x being an integer comprised between 1 and 5, and, optionally, comprising one or more functional groups selected from double bonds, epoxy, ester, ether and carboxylic acid groups. The invention also pertains to a process for the manufacture of said polymer (F) and to uses of said polymer (F). 

Hybrid polymers

The present invention relates to an aqueous composition comprising at least one partially fluorinated copolymer in the form of particle powder, to a method for its preparation and to its use as a coating.

Growing community of inventors

Parabiago, Italy

Serena Carella