Solvay Specialty Polymers Italy S.p.a.

Ausimont

Solvay Solexis, Inc.

Ausimonto S.p.a.

Ivan Diego Wlassics

Vito Tortelli

Giuseppe Marchionni

Claudio Adolfo Pietro Tonelli

Margherita Albano

Alessio Marrani

Marco Apostolo

Ivan Falco

Walter Navarrini

Aldo Sanguineti

Fulvio Burzio

Enzo Giannetti

Mario Alfieri

Letanzio Bragante

Vincenzo Arcella

Luca Merlo

Marco Avataneo

Serena Carella

Anna M Staccione

Valeriy Kapelyushko

Claudio Oldani

Stefano Millefanti

Valeri Kapeliouchko

Paula Cojocaru

Stefano Bossolo

Cristiano Monzani

Liubov Chernysheva

Emanuele Di Nicolo'

Pasquale Campanelli

Francesco Maria Triulzi

Solange Barbieri

Stefana Musio

Marco Colladon

Alberto Zompatori

Marco Piccinini

Roberto Biancardi

Walter Visentin

Sanjay Gurbasappa Charati

Claudio Pizzi

Ritu Ahuja

Gourav Upadhyay

Claudio Adolfo Tonelli

Davide Vicino

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

A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.

Process for the synthesis of (per)fluoropolyether amines

The present invention pertains to a process for the manufacture of a crosslinkable fluoropolymer, to said crosslinkable fluoropolymer and the crosslinked fluoropolymer obtainable therefrom, to a film comprising said crosslinkable fluoropolymer or said crosslinked fluoropolymer and to uses of said crosslinked fluoropolymer film in various applications.

Crosslinkable fluoropolymers

Disclosed are mixtures containing: mono- and bi-functional polymers [polymers (P-A) and (P&#x2014;B)] comprising a plurality of (per)fluoropolyether segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers having two ends, wherein one or both ends comprises a hydroxy or a leaving group; a non-functional polymer comprising a plurality of (per)fluoropolyether segments (S) joined together by hydrogenated (poly)ether segments (S), with the proviso that the hydrogenated (poly)ether segments (S) are not segments of formula &#x2014;CHOCHOCH&#x2014;. Disclosed are also monofunctional polymers (P-A) that can be isolated from such mixtures. Methods for the obtainment of the mixtures and for separating the polymers therein contained are also provided, as well as methods of using the mixtures or each polymer therein contained as intermediates or building blocks for the synthesis of other polymers or as ingredients of compositions.

Mixtures of mono-, bi- and non-functional fluorinated polymers comprising a plurality of (per)fluoropolyether segments

The present invention pertains to semi-crystalline fluoropolymer [polymer (F)] comprising: &#x2014;recurring units derived from vinylidene fluoride (VDF); &#x2014;from 10% to 50% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from trifluoroethylene (TrFE); and &#x2014;from 0.01% to 10% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from at least one monomer comprising an azide group [monomer (Az)], to a process for its manufacture, to a crosslinkable composition comprising the same, to a process for crosslinking the same and to a method for manufacturing one of electrical and electronic devices using the same.

Crosslinkable vinylidene fluoride and trifluoroethylene polymers

The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers.

Polyamides modified with (per)fluoropolyether segments

This invention pertains to fluoroallylsulfonyl azide compounds of formula: CF&#x2550;CF&#x2014;CF&#x2014;R&#x2014;SONformula (I) wherein Ris a divalent (per)fluorinated group, optionally comprising one or more than one ethereal oxygen atom [monomer (Az)], which are useful as functional monomers in fluoropolymers, to the fluoropolymers which comprise recurring units derived from such fluoroallylsulfonyl azide compounds, to a process for their manufacture, to a curable compound comprising the same and to a method for crosslinking the same.

Fluoroallylsulfonyl azide monomers and polymers there from

A polymer [polymer (P)] comprising a plurality of (per)fluoropolyether (PFPE) segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers (P) having two end groups [groups (E)], each group (E) comprising a hydroxy or a leaving group, with the proviso that the hydrogenated (poly)ether segment (S) is not a segment of formula &#x2014;CHOCHOCH&#x2014; is herein disclosed. Disclosed is also a method for the manufacture of polymer (P) and a polymer obtainable by full or partial fluorination of polymer (P). Polymer (P) and polymers obtainable therefrom by full or partial fluorination can be conveniently used in the manufacture of lubricant compositions or of compositions for imparting hydro-/oleo-repellence to substrates. Said polymers can also be used as intermediates for the manufacture of other polymers or block copolymers.

Bifunctional fluorinated polymers comprising a plurality of (per)fluoropolyether segments

The present invention relates to crosslinkable compositions comprising vinylidene fluoride (VDF)/trifluoroethylene (TrFE) polymers and a fluorine-containing crosslinking agent of formula (A) [agent (Cz)]: {N[S(O)]}&#x2014;(R)&#x2014;R&#x2014;(R')&#x2014;{[S(O)]N}, formula (A) wherein each of g1 and g2, equal to or different from each other, is 1 or 2, each of s1 and s2, equal to or different from each other, is 0 or 1, each of na and na&#x2032; is independently zero or an integer of 1 to 3, provided that the sum na+na&#x2032; is at least 2, each of Rand R&#x2032;, equal to or different from each other, is a C-Chydrocarbon group free of fluorine atoms, nh and nh&#x2032;, equal or different from each other are independently 0 or 1, and Ris selected from the group consisting of i) a C-Cfluorocarbon group, possibly comprising one or more ethereal oxygen atoms, ii) an oligomer comprising copolymerized units of vinylidene fluoride and trifluoroethylene, to a process for the manufacture of said compositions, to a method for curing the same, and to the use of said copolymers in electrical and electronic devices.

Crosslinkable compositions based on vinylidene fluoride-trifluoroethylene polymers

A poly-[1-4]-D-glucosamine derivative comprising [1-4]-D-glucosamine recurring units and comprising a fluoropolyether chain bound to the nitrogen atom in the C-2 position of at least one of the [1-4]-D-glucosamine recurring units.

Fluorinated chitosan derivatives

The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X, X, X, equal or different from each other are independently selected among H, F, and C(per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; Ris a divalent fluorinated Cbridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.

Method for manufacturing fluoropolymers

A process for the dehydrochlorination of a chlorinated hydrocarbon comprising at least one chlorine atom and at least one hydrogen atom on vicinal carbon atoms to yield the corresponding unsaturated hydrocarbon, said process comprising contacting the chlorinated hydrocarbon with a guanidinium salt or its guanidine precursor.

Process for the dehydrochlorination of chlorinated hydrocarbons

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. 

Curable composition

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Garessio, Italy

Ivan Diego Wlassics