Abstract: The present invention relates to a composition suitable to be used as working fluid, said composition being in the form of a solution and comprising at least one (per)fluoropolyether polymer [polymer (P)] and at least one amorphous polymer [polymer (F)].

Abstract: The present invention relates to the use of highly viscous (per)fluoropolyether polymers as damping fluids and to a method for counteract vibrations and/or shocks in a device using highly viscous (per)fluoropolyether polymers.

Abstract: This invention provides for a composition particularly useful in a method comprising applying the composition to a surface to be lubricated, said composition comprising: at least one polymer (P) comprising a partially or fully fluorinated, straight or branched, polyoxyalkylene chain (Rf) having two chain ends, wherein one or both chain end(s) bear(s) a hydroxy-, alkoxy- or acyl-oxy-terminated polyoxyalkylene chain free from fluorine atoms (Ra), said chain comprising from 4 to 50 fluorine-free oxyalkylene units, said units being the same or different from one another and being selected from —CH2CH2O— and —CH2CH(O)O—, wherein J is independently straight or branched alkyl or aryl, preferably methyl, ethyl or phenyl and water.

Abstract: An aqueous composition comprising: (A) at least one functional fluorinated polymer [polymer (F)] selected from: a fluorinated ionizable polyurethane polymer [polymer (PUR)] comprising at least one fluorinated block comprising a (per)fluoropolyoxyalkylene chain [chain (ROF)] and at least one functional block comprising a hydrocarbon chain [chain (RH)] optionally comprising one or more aromatic or cycloaliphatic groups, said chain (RH) comprising at least one ionizable group, said blocks being linked by urethane moieties having formula (I) wherein E is a divalent hydrocarbon group, linear or branched, optionally comprising one or more cycloaliphatic or aromatic groups, and a fluorinated polymer [polymer (P)] comprising one or more perfluoroalkyl chains [chain (RF)] linked by one or more ester moieties having formula (II) and/or urethane moieties having formula (III) and/or urea moieties having formula (IV) (B) at least one functional hydrogenated polymer [polymer (H)] different from said polymer (F), said p

Abstract: The invention pertains to a drilling fluid composition comprising:—at least one (per)fluoropolyether oil comprising recurring units of formula —CF(CF3)CF2O— said oil having a kinematic viscosity of 30 to 80 cSt measured according to ASTM D455 standard at 20° C. [oil (E)] and possessing a polydispersity index (PDI) of at least 1.15; and—at least one (per)fluoropolyether phosphate comprising at least one perfluoropolyoxyalkylenic chain and at least one phosphoric acid group, in its acid, amide, salt or ester form [phosphate (P)], to a method for its manufacture and to its use in a drilling rig equipment.

Abstract: An aqueous composition comprising: (A) at least one functional fluorinated polymer [polymer (F)] selected from: a fluorinated ionisable polyurethane polymer [polymer (PUR)] comprising at least one fluorinated block comprising a (per)fluoropolyoxyalkylene chain [chain (ROF)] and at least one functional block comprising a hydrocarbon chain [chain (RH)] optionally comprising one or more aromatic or cycloaliphatic groups, said chain (RH) comprising at least one ionisable group, said blocks being linked by urethane moieties having formula (I) wherein E is a divalent hydrocarbon group, linear or branched, optionally comprising one or more cycloaliphatic or aromatic groups, and a fluorinated polymer [polymer (P)] comprising one or more perfluoroalkyl chains [chain (RF)] linked by one or more ester moieties having formula (II) and/or urethane moieties having formula (III) and/or urea moieties having formula (IV) (B) at least one functional hydrogenated polymer [polymer (H)] different from said polymer (F), said p