Abstract: The present invention relates to novel hydroxy-terminated (per)fluoropolyether polymer derivatives comprising urethane moieties and their use as additive in compositions for coating substrates, notably glass, metal and plastic.

Abstract: The present invention relates to (per)fluoropolyether (PFPE) amnino derivatives, a method for their manufacturing and their uses.

Abstract: (Per)fluoropolyether polymers comprising a (per)fluoropolyether chain having two ends, wherein one or both ends comprise one or more zwitterionic groups at one or both polymer ends, methods for their manufacture and uses thereof are herein disclosed. The polymers can be used in particular for protecting materials in contact with biological fluids or fluids containing biological material from contamination by organic compounds therein contained.

Abstract: A method of manufacturing cyclophosphazenes PFPE derivatives to be used in the lubrication of magnetic recording media is herein provided. The method comprises: a) a (per)fluoropolyether (PFPE) polyol [PFPE (Ppol)] comprising a fluoropolyoxyalkylene chain (Rf) having two chain ends, each chain end comprising at least one hydroxy group, and b) the corresponding alkoxide of perfluoropolyether (Ppol) [PFPE (Palk)] wherein the equivalent concentration of PFPE (Palk) in PFPE (Ppol) is lower than 30%, preferably ranging from 5% to 15%; 2) contacting mixture (M) with a perhalocyclophosphazene (CPhalo) to provide a mixture (M1) containing an equivalent ratio of PFPE (Palk)/(CPhalo) of at least 1; 3) allowing mixture (M1) to react until complete disappearance of P—Cl groups to provide a mixture (M2); 4) submitting mixture (M2) to hydrolysis to provide a mixture (M3); 5) optionally removing (Ppol) from mixture (M3) to provide a mixture (M4). A method of purifying mixture (M4) is also herein provided.

Abstract: A lubrication method comprising applying to a surface to be lubricated a polymer comprising a partially or fully fluorinated, straight or branched, polyoxyalkylene chain (chain Rf) having two chain ends, wherein one or both chain end(s) bear(s) a hydroxy- or alkoxy-terminated polyoxyalkylene chain free from fluorine atoms (chain 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(J)O—, wherein J is independently straight or branched alkyl or aryl, with the proviso that, if both chain ends bear a hydroxy-terminated chain Ra comprising only —CH2CH2O— units, chain Rf does not consist only of —CF2CF2O-units. Lubricant compositions containing the polymer and methods for preparing the polymer are also herein disclosed.

Abstract: Compounds [compounds (L)] comprising at least one monocyclic, polycyclic or polycondensed aromatic moiety [moiety (A*)], wherein: at least one carbon atom of moiety (A*) is substituted with a fluoropolyoxyalkene chain [chain (Rf)], said chain (Rf) comprising: a) a fluorocarbon segment having ether linkages in the main chain and b) at least one hydroxyl group and wherein: at least one other carbon atom of moiety (A*) is substituted with an electron-withdrawing group and mixtures thereof are herein disclosed. Disclosed are also a process for manufacturing compounds (L), a method for lubricating MRM comprising using compounds (L), a lubricant composition comprising one or more compounds (L) and a method for manufacturing a composition (C).

Abstract: A liquid composition comprising: a liquid medium comprising at least one aprotic polar organic solvent and less than 25 wt % based on the total weight of the composition of an alcohol; and at least 5 wt % based on the total weight of the composition of at least one fluorinated anion exchange polymer comprising a fluorocarbon backbone and side-chains covalently attached to the backbone having terminal groups of formula (I): —SO2NR1Q+X?, wherein Q+ is a group comprising at least one quaternary nitrogen atom, and R1 is H or a C1-C20 alkyl group, or forms a ring together with a group in Q+, wherein the ring contains 2 to 10 carbon atoms and, optionally, up to 4 heteroatoms; and X? is an anion selected among the group consisting of organic anions and lipophilic inorganic anions is disclosed. The liquid composition is suitable for the preparation of ion exchange membranes and as binders for electrocatalytic layers for use in electrochemical applications.

Abstract: A process for transferring heat comprising the following steps: (1) transferring heat from a body to a first heat transfer system by means of a secondary loop passageway comprising a heat transfer fluid and, optionally, (2) transferring heat from a second heat transfer system to said body by means of said secondary loop passageway comprising said heat transfer fluid, wherein: said second heat transfer system being the same as or different from said first heat transfer system, said secondary loop passageway comprises at least one polymer sealant selected from a rubber seal and a plastic pipe; and said heat transfer fluid comprises one or more linear perfluoropolyethers having formula RF—(OCF2)n(OCF2CF2)m(OCF2(CF2)zCF2)p—ORF (I), wherein RF, equal or different at each occurrence, is a C1-C3 perfluoroalkyl group, m, n and p, equal to or different from each other, are integers comprised between 0 and 100, the sum m+n being higher than 0, and z is equal to 1 or 2, and wherein said heat transfer fluid is circulat

Abstract: An apparatus for the hot and moist cleaning of floors is disclosed, having an elongate body including a handle at a proximal end thereof and a water reservoir; and a cleaning head flexibly disposed at a distal end of the elongate body and having a heating plate and a cleaning pad, wherein the heating plate forms a planar underside of the cleaning head and includes a heating element to heat the planar underside. The water reservoir is adapted to moisten the cleaning pad when the planar underside is above 85 C. The cleaning pad is removably attached against and in thermal communication with the planar underside such that the cleaning pad is moistened and heated to a temperature between 85 C and 100 C, inclusive. And the heating plate does not substantially heat water from the water reservoir prior to the moistening of the cleaning pad.

Abstract: An apparatus for horizontal surface cleaning includes a cleaning head for engaging horizontal surfaces to be cleaned, a handle pivotally engaging the cleaning head for grasping during horizontal surface cleaning, and a tank affixed to the handle and pivotal therewith relative to the cleaning head. The tank is adapted to contain a surface cleaning liquid. The handle and tank have together an upright orientation during storage and a tilted orientation during horizontal surface cleaning. The tank includes a valve that closes during the upright orientation to prevent the liquid from exiting the tank, and opens during the tilted orientation to allow the liquid to exit the tank. The tilted orientation is caused during horizontal surface cleaning.

Abstract: The invention relates to a batch chromatography process the purification of (per)fluoropolyether (PFPE) carboxylates, in particular to a process for increasing the average functionality of PFPE carboxylates mixtures.

Abstract: A method of manufacturing cyclophosphazenes PFPE derivatives to be used in the lubrication of magnetic recording media is herein provided. The method comprises: a) a (per)fluoropolyether (PFPE) polyol [PFPE (Ppol)] comprising a fluoropolyoxyalkylene chain (Rf) having two chain ends, each chain end comprising at least one hydroxy group, and b) the corresponding alkoxide of perfluoropolyether (Ppol) [PFPE (Palk)] wherein the equivalent concentration of PFPE (Palk) in PFPE (Ppol) is lower than 30%, preferably ranging from 5% to 15%; 2) contacting mixture (M) with a perhalocyclophosphazene (CPhalo) to provide a mixture (M1) containing an equivalent ratio of PFPE (Palk)/(CPhalo) of at least 1; 3) allowing mixture (M1) to react until complete disappearance of P—Cl groups to provide a mixture (M2); 4) submitting mixture (M2) to hydrolysis to provide a mixture (M3); 5) optionally removing (Ppol) from mixture (M3) to provide a mixture (M4). A method of purifying mixture (M4) is also herein provided.

Abstract: A convenient process for the manufacture of alkoxylated derivatives of PFPE alcohols is herein provided. The process envisages the use of a boron-based catalyst and an iodine source and is characterized in that a PFPE alkoxide is prepared separately, contacted with a boric acid triester of the same PFPE alcohol and finally submitted to alkoxylation in the presence of an iodine source. The process allows achieving an alkoxylation degree of at least 2 with high yields and under conditions that are convenient on an industrial scale.

Abstract: An apparatus for horizontal surface cleaning includes a cleaning head for engaging horizontal surfaces to be cleaned, a handle pivotally engaging the cleaning head for grasping during horizontal surface cleaning, and a tank affixed to the handle and pivotal therewith relative to the cleaning head. The tank is adapted to contain a surface cleaning liquid. The handle and tank have together an upright orientation during storage and a tilted orientation during horizontal surface cleaning The tank includes a valve that closes during the upright orientation to prevent the liquid from exiting the tank, and opens during the tilted orientation to allow the liquid to exit the tank.

Abstract: A process for preparing perfluoropolyethers of formula T-O—(RF)z-T???(I) wherein: T, T' are end groups, z=0 or 1; RF is a perfluoro(poly)oxyalkylene chain containing one or more fluorooxyalkylene repeating units selected from the group consisting of (CF2O), —(CF(CF3)O)—, —(CF2CF2O)—, —(CF2CF(CF3)O)—, —(CF(CF3)CF2O)—, —(CF2CF2CF2O)—, —(CF2CF2CF2CF2O)—, and —(CF2)j—CFZ—O— wherein j is an integer from 0 to 3, and Z is a fluorooxyalkylene chain comprising from 1 to 20 repeating units selected from the above reported fluorooxyalkylene units; comprising the reduction of peroxidic perfluoropolyethers comprising one or more of the above defined repeating units by using gaseous hydrogen in the presence of a catalyst comprising one or more metals of the VIII group supported on graphitic materials.

Abstract: A convenient process for the manufacture of alkoxylated derivatives of PFPE alcohols is herein provided. The process envisages the use of a boron-based catalyst and an iodine source and is characterised in that a PFPE alkoxide is prepared separately, contacted with a boric acid triester of the same PFPE alcohol and finally submitted to alkoxylation in the presence of an iodine source. The process allows achieving an alkoxylation degree of at least 2 with high yields and under conditions that are convenient on an industrial scale.

Abstract: The invention relates to a batch chromatography process the purification of (per)fluoropolyether (PFPE) carboxylates, in particular to a process for increasing the average functionality of PFPE carboxylates mixtures.

Abstract: A process for transferring heat from a heat source to a heat sink, comprising using as heat transfer medium a composition comprising: at least one fluorinated fluid free from functional groups (fluid (H)); at least one functional (per)fluoropolyether (functional PFPE(1)) comprising recurring units (R1), said recurring units comprising at least one ether linkage in the main chain and at least one fluorine atom (fluoropolyoxyalkylene chain), and at least one functional end group chosen between —COOH and —CONH2; at least one functional (per)fluoropolyether (functional PFPE(2)) comprising recurring units (R1) as defined above and at least one functional end group chosen between —COCF3 and its hydroxylated derivative —C(OH)2CF3.

Abstract: This invention is a new system of surface hot cleaning comprising a handle with a handle grip provided with a lever, a water and/or detergent tank, a pump and a brush. The brush is provided with a swivel head hosting the water pipe and an electric cable for the power supply of a heating panel equipped with a heating element and a thermostat for temperature regulation. Said heating panel is in direct contact with the cleaning cloth and aims at warming up the cloth, which is moistened by the water flowing from the pump. The cloth acquires a high temperature ideal for cleaning and sanitising surfaces.

Abstract: An apparatus for the hot and moist cleaning of floors is disclosed, having an elongate body including a handle at a proximal end thereof and a water reservoir; and a cleaning head flexibly disposed at a distal end of the elongate body and having a heating plate and a cleaning pad, wherein the heating plate forms a planar underside of the cleaning head and includes a heating element to heat the planar underside. The water reservoir is adapted to moisten the cleaning pad when the planar underside is above 85 C. The cleaning pad is removably attached against and in thermal communication with the planar underside such that the cleaning pad is moistened and heated to a temperature between 85 C and 100 C, inclusive. And the heating plate does not substantially heat water from the water reservoir prior to the moistening of the cleaning pad.