Abstract: The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using economic raw materials, and possessing high selectivity and overall yield.

Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.

Abstract: The invention relates to aqueous dispersions of fluoropolymers comprising recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 82% in moles and recurring units derived from trifluoroethylene (TrFE) in an amount of from 18% to 40% in moles, with respect to the total moles of recurring units, said fluoropolymers possessing an improved thermodynamic ordered structure in the ferroelectric phase.

Abstract: The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using economic raw materials, and possessing high selectivity and overall yield.

Abstract: The invention pertains to a fluoroelastomer composition including at least a nitrile-containing (per)fluoropolyether compound and at least one bis-amino(thio)phenol compound of formula (I), wherein: A is —SO2—, —O—, —C(O)— or divalent hydrocarbon groups of 1 to 10 carbon atoms, E is independently oxygen or sulphur and —NH2 groups are in ortho with respect to EH groups; to a process for manufacturing a (per)fluoropolyether-based thermoset and to a (per)fluoropolyether-based thermoset obtained therefrom.

Abstract: The present invention relates to a method for manufacturing semiconductor devices, including a step wherein a semi-conductor device exchanges heat with a heat transfer fluid. The heat transfer fluid comprises one or more chemical compounds having the general formula: Ph(ORf)x (I) wherein Ph is an aromatic ring linked to one or more ether groups —ORf where each —Rf: — is a monovalent fluorinated alkyl group comprising at least one C—F bond, — has a carbon chain, preferably a C1-C10 carbon chain, which can be linear or can comprise branches and/or cycles, and, optionally, can comprise in chain heteroatoms selected from O, N or S, and wherein, when X>1, the —Rf groups on the same molecule can be equal to or different from each other.

Abstract: The present invention relates to a method for exchanging heat with a battery comprising the use of a heat transfer fluid, which comprises one or more chemical compounds having the general formula: Ph(ORf)x (I) wherein Ph is an aromatic ring linked to one or more ether groups —ORf where each —Rf: —is a monovalent fluorinated alkyl group comprising at least one C—F bond, —has a carbon chain, preferably a C1-C10 carbon chain, which can be linear or can comprise branches and/or cycles, and, optionally, can comprise in chain heteroatoms selected from O, N or S, and wherein, when X>1, the —Rf groups on the same molecule can be equal to or different from each other.

Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.

Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.

Abstract: The present invention relates to modified fluorinated poly(arylene ether ketone)s that can be crosslinked to produce high performance thermosets useful for semiconductor application with low dielectric constant. The present invention also relates to a method for manufacturing said modified fluorinated poly (arylene ether ketone)s prepared via polycondensation of a fluorinated poly (arylene ether ketone) with a fluorostyrene.

Abstract: The present invention provides modified polyaryl ether ketones (PAEK)s having fluorinated moieties incorporated therein. The present invention also relates to a method for covalently attaching fluorinated moieties onto the surface of PAEK, said method comprising reducing the ketone groups of the PAEK to hydroxyl groups to obtain a modified PAEK and then reacting the hydroxyl groups with a compound bearing a fluorinated moiety.

Abstract: The present invention relates to novel fluoro-modified graphene compounds and to the processes for the preparation thereof. The invention also provides fluoro-modified graphene oxide that can be used as intermediate in the preparation of said fluoro-modified graphene compounds.

Abstract: The present invention relates to modified fluorinated poly(arylene ether ketone)s that can be crosslinked to produce high performance thermoset useful for semiconductor application with low dielectric constant. The present invention also relates to a method for manufacturing said modified fluorinated poly(arylene ether ketone)s prepared via chemical transformation of carbonyl groups to hydroxyl pendant groups and following thermal curing.

Abstract: The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.

Abstract: The present invention relates to processes for the manufacture of 1,2,3,4-tetrachloro-hexafluoro-butane in a microreactor.

Abstract: A method for the manufacture of fluorinated polymers and polymers obtainable therefrom are herein disclosed. The method envisages the reaction of a) first reagent [reagent (R1)] which is an alcohol selected from a (per)fluoropolyether (PFPE) alcohol a fluoroalkylene diol and a mixture thereof; b) a second reagent [reagent (R2)] which is a sulfonic ester of a PFPE, a sulfonic diester of a fluoroalkylene diol or a mixture thereof and, optionally, c) a third reagent which is a mono-functional (per)haloalkyl alcohol or a sulfonic ester thereof in the presence of an organic or inorganic base. At least reagent (R1) is a PFPE alcohol (A) or at least reagent (R2) is a PFPE sulfonic ester (B) and the overall equivalents of alcohols are the same as the overall equivalents of sulfonic esters. The method allows to obtain in a convenient way non-functional polymers comprising at least a PFPE segment and having high molecular weight.

Abstract: The present invention relates to processes for the manufacture of 1,2,3,4-tetrachloro-hexafluoro-butane in a microreactor.

Abstract: The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO—CRf?X—CRf?Rf??X???(I-A) wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf?, Rf? and Rf??, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X?, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*?, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X? are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and o

Abstract: 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.

Abstract: A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extruded activated carbon.