Abstract: The present invention relates to a composition for lubricating a propulsion system of an electric or hybrid vehicle, comprising at least one base oil and at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker. The invention also relates to the use of at least one fire retardant of formula (I), in a composition for lubricating a propulsion system of an electric or hybrid vehicle, including at least one battery, to give it ignition-resistance properties. Finally, the invention relates to a process for cooling and fire-protecting a battery of a propulsion system of an electric or hybrid vehicle, comprising at least one step of placing at least one battery, in particular a lithium-ion or nickel-cadmium battery, in contact with a composition according to the invention.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle, comprising (i) at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C., and (ii) at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker. The invention also relates to the use of at least one fire retardant of formula (I), in a composition for cooling a propulsion system of an electric or hybrid vehicle, and more particularly its power electronics and its batteries, to give it ignition-resistance properties, said cooling composition comprising at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle including at least one battery, comprising: (i) at least one base oil or at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.; (ii) at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker; and (iii) at least one fluoro compound with a boiling point of between 50 and 250° C. The invention also relates to the use of at least one fluoro compound with a boiling point of between 50° C. and 250° C. for promoting the contact between a fire retardant corresponding to formula (I) and an element of a propulsion system of an electric or hybrid vehicle, when thermal runaway is observed, said fire retardant of formula (I) being formulated in a base oil, or a hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle, comprising: (i) at least one base oil, or at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.; and (ii) at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker, said fire retardant of formula (I) being at least partially in an encapsulated form. The invention also relates to the use of at least one fire retardant of formula (I) which is at least partially in an encapsulated form in a composition for cooling a propulsion system of an electric or hybrid vehicle, including at least one battery, to give it ignition-resistance properties.

Abstract: The present invention relates to a composition for lubricating a propulsion system of an electric or hybrid vehicle, comprising at least one base oil and at least one fire retardant corresponding to formula (I) RF-L-RH ??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker. The invention also relates to the use of at least one fire retardant of formula (I), in a composition for lubricating a propulsion system of an electric or hybrid vehicle, including at least one battery, to give it ignition-resistance properties. Finally, the invention relates to a process for cooling and fire-protecting a battery of a propulsion system of an electric or hybrid vehicle, comprising at least one step of placing at least one battery, in particular a lithium-ion or nickel-cadmium battery, in contact with a composition according to the invention.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle, comprising (i) at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C., and (ii) at least one fire retardant corresponding to formula (I) RF-L-RH ??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker. The invention also relates to the use of at least one fire retardant of formula (I), in a composition for cooling a propulsion system of an electric or hybrid vehicle, and more particularly its power electronics and its batteries, to give it ignition-resistance properties, said cooling composition comprising at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle, comprising: (i) at least one base oil, or at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.; and (ii) at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker, said fire retardant of formula (I) being at least partially in an encapsulated form. The invention also relates to the use of at least one fire retardant of formula (I) which is at least partially in an encapsulated form in a composition for cooling a propulsion system of an electric or hybrid vehicle, including at least one battery, to give it ignition-resistance properties.

Abstract: The present invention relates to a composition for cooling a propulsion system of an electric or hybrid vehicle including at least one battery, comprising: (i) at least one base oil or at least one hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.; (ii) at least one fire retardant corresponding to formula (I) RF-L-RH??(I) in which RF is a perfluorinated or partially fluorinated group, RH is a hydrocarbon-based group, and L is a linker; and (iii) at least one fluoro compound with a boiling point of between 50 and 250° C. The invention also relates to the use of at least one fluoro compound with a boiling point of between 50° C. and 250° C. for promoting the contact between a fire retardant corresponding to formula (I) and an element of a propulsion system of an electric or hybrid vehicle, when thermal runaway is observed, said fire retardant of formula (I) being formulated in a base oil, or a hydrocarbon-based fluid with a boiling point of greater than or equal to 50° C.

Abstract: The invention relates to a reinforced fluoropolymer plate comprising a fluoropolymer layer on one of the faces thereof and a carbon fiber sheet on the other face of same, whereby at least part of the carbon fiber sheet is impregnated with fluoropolymer. The invention also relates to an acid-corrosion-resistant chemical reactor comprising said plates, the production methods thereof and the uses of same in processes in superacid media.

Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.

Abstract: The present invention concerns a method for production of foams of thermoplastic polymer such as polyethylene, polypropylene, polystyrene, polyvinyl chloride. More specifically its goal is a method for production of thermoplastic foams comprising a premixing step of at least a thermoplastic polymer in the form of a divided solid with at least an ester of azocarboxylic acid.

Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.

Abstract: The invention concerns a method for purifying cyclic lactams containing 6 to 12 carbon atoms and containing chlorolactams as impurities, by hydrogenation reaction in the presence of a metal catalyst, a solvent and a compound having a radical —NH2, —NH— or —N< radical is that of a HCl capturing amino generated during the hydrgantation reaction, and the organic solvent is a solvent capable of solublizing the aminated hydrochloride formed by the capture of HCl by the amino; and the mol ratio represented by the percentage of amine expressed in mol over the percentage of elementary organic chlorine in the form of chlorolactam expressed in mols, is at least 0.5.

Abstract: The invention relates to a reinforced fluoropolymer plate comprising a fluoropolymer layer on one of the faces thereof and a carbon fibre sheet on the other face of same, whereby at least part of the carbon fibre sheet is impregnated with fluoropolymer. The invention also relates to an acid-corrosion-resistant chemical reactor comprising said plates, the production methods thereof and the uses of same in processes in superacid media.

Abstract: The present invention relates to a reactor suitable for liquid-phase fluorination and provided, as heating means, with at least one element fixed to the cover so as to be immersed to the bottom of the vessel, characterized in that the parts of said reactor that are liable to be in contact with the reaction medium, other than the heating element, are coated with a tetrafluoroethylene/hexafluoropropylene copolymer and in that the part of the heating element liable to be in contact with the reaction medium is made of silicon carbide.

Abstract: The present invention relates to a reactor suitable for liquid-phase fluorination and provided, as heating means, with at least one element fixed to the cover so as to be immersed to the bottom of the vessel, characterized in that the parts of said reactor that are liable to be in contact with the reaction medium, other than the heating element, are coated with a tetrafluoroethylene/hexafluoropropylene copolymer and in that the part of the heating element liable to be in contact with the reaction medium is made of silicon carbide.

Abstract: The ionic liquids according to the invention result from the reaction of a halogenated or oxyhalogenated Lewis acid based on titanium, niobium, tantalum, tin or antimony with an organic salt of formula X+A? in which A? is a halide anion and X+ a quaternary ammonium, quaternary phosphonium or ternary sulphonium cation. These liquids can be used in particular in the liquid-phase fluorination using HF of saturated or unsaturated compounds having C—Cl groups.

Abstract: Catalysts which are useful in the fluorination of halogenated hydrocarbons by HF in the gas phase are obtained by simple impregnation of a bulk chromium oxide with a solution of a nickel derivative, the chromium oxide used exhibiting a BET specific surface of greater than 150 m2/g and a pore volume of greater than 0.15 ml/g.

Abstract: The ionic liquids according to the invention result from the reaction of a halogenated or oxyhalogenated Lewis acid based on titanium, niobium, tantalum, tin or antimony with an organic salt of formula X+A− in which A− is a halide anion and X+ a quaternary ammonium, quaternary phosphonium or ternary sulphonium cation.

Abstract: Catalysts which are useful in the fluorination of halogenated hydrocarbons by HF in the gas phase are obtained by simple impregnation of a bulk chromium oxide with a solution of a nickel derivative, the chromium oxide used exhibiting a BET specific surface of greater than 150 m2/g and a pore volume of greater than 0.15 ml/g.