Abstract: A rubber composition contains: an elastomer matrix comprising at least one diene elastomer comprising epoxide functions, at least one reinforcing filler, and a system for crosslinking said polymer, comprising at least one organopolyphosphorus compound of general formula (I) in which A represents a covalent bond or a hydrocarbon group comprising at least 1 carbon atom, which is optionally substituted and which optionally comprises one or more heteroatoms, and the Rs represent, independently of one another, a hydrocarbon group comprising at least 1 carbon atom or a hydrogen atom.

Abstract: A self-cleaning external with a self-cleaning aerodynamic surface configured to extract at least some of the oxygen present in the atmosphere in contact with the aerodynamic surface so as to at least partially deprive a haemolymph of the insect residue, present on the aerodynamic surface after being hit by insects, of oxygen. Also, a vehicle with at least one such self-cleaning aerodynamic surface.

Abstract: The invention relates to inorganic particles which are covalently bonded to first polymer chains made up of at least one polymer carrying proton exchange groups, optionally in the form of salts, and bonded to second polymer chains made up of at least one fluorinated polymer that does not carry any proton exchange groups, the second chains being bonded to the particles via organic spacer groups, or the second chains being bonded to first chains via organic spacer groups, or some of the second chains being bonded to the particles via organic spacer groups while the remaining second chains are bonded to first chains via organic spacer groups.

Abstract: A method for preparing particles comprising a material suitable for catalysing oxygen reduction or hydrogen oxidation, the particles being grafted by grafts consisting of at least one specific polymer comprising at least one repeating styrene unit bearing at least one proton-conducting group.

Abstract: A process for synthesizing a polymer bearing at least one phosphonate group in the polymer chain is provided. The process comprises at least the reaction of a starting polymer bearing at least one nucleophilic function in the polymer chain with at least one electrophilic compound bearing both a phosphonate group and an electrophilic function. The electrophilic function is selected from the halide function, the acyl halide function, the ester function, the carboxylic acid function and the isocyanate function.

Abstract: An aromatic polyphenol derivative which comprises at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—((C?O)(R1)) group with R1 representing a hydrocarbon-based radical or a substituted hydrocarbon-based radical.

Abstract: A rubber composition comprises at least one phenol-aldehyde resin based: on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, and on at least one aldehyde.

Abstract: A rubber composition comprises at least one phenol-aldehyde resin based on: at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—H groups in the meta position relative to one another, the two positions ortho to at least one of the —O—H groups being unsubstituted; and at least one aldehyde of formula W: wherein each Ar1 and Ar2 group represents, independently of one another, an optionally substituted aromatic ring; and wherein SP is a connecting group that connects at least the Ar1 and Ar2 groups to one another, SP separating the Ar1 and Ar2 groups by at least 2 covalent bonds.

Abstract: An aromatic polyphenol derivative comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—Si(R1R2R3) group with R1, R2, R3 representing, independently of one another, a hydrocarbon-based radical or a substituted hydrocarbon-based radical.

Abstract: The invention relates to inorganic particles which are covalently bonded to first polymer chains made up of at least one polymer carrying proton exchange groups, optionally in the form of salts, and bonded to second polymer chains made up of at least one fluorinated polymer that does not carry any proton exchange groups, the second chains being bonded to the particles via organic spacer groups, or the second chains being bonded to first chains via organic spacer groups, or some of the second chains being bonded to the particles via organic spacer groups while the remaining second chains are bonded to first chains via organic spacer groups.

Abstract: A rubber composition comprises at least one phenol-aldehyde resin based: on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, and on at least one aldehyde.

Abstract: The invention relates to a process for the synthesis of a polymer bearing one or more pendant hydroxyaryl groups, comprising the reaction of a polymer bearing at least one epoxide functional group with a nucleophilic compound simultaneously bearing the hydroxyaryl group and a nucleophilic functional group selected from the group consisting of the phosphonic acid functional group and its ionic form.

Abstract: A method for preparing particles comprising a material suitable for catalysing oxygen reduction or hydrogen oxidation, the particles being grafted by grafts consisting of at least one specific polymer comprising at least one repeating styrene unit bearing at least one proton-conducting group.

Abstract: An aromatic polyphenol derivative which comprises at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—((C?O)(R1)) group with R1 representing a hydrocarbon-based radical or a substituted hydrocarbon-based radical.

Abstract: The invention relates to copolymers comprising: at least one recurrent unit of the following formula (I): at least one recurrent unit of the following formula (II): and at least one recurrent unit of the following formula (III): wherein: R1 and R2 represent, independently of each other, an alkylene group; Z1 is a group of formula —PO3R3R4, R3 and R4 representing, independently of each other, a hydrogen atom, an alkyl group or a cation; Z2 is a group of formula —SO2R5, R5 representing an alkyl group or an aryl group; X and Y represent, independently of each other, a halogen atom or a perfluorocarbon group.

Abstract: A process for synthesizing a polymer bearing at least one phosphonate group in the polymer chain is provided. The process comprises at least the reaction of a starting polymer bearing at least one nucleophilic function in the polymer chain with at least one electrophilic compound bearing both a phosphonate group and an electrophilic function. The electrophilic function is selected from the halide function, the acyl halide function, the ester function, the carboxylic acid function and the isocyanate function.

Abstract: The rubber composition comprises at least one phenol-aldehyde resin based: on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—H groups in the meta position relative to one another, the two positions ortho to at least one of the —O—H groups being unsubstituted; and on at least one aldehyde of formula W: in which: each Ar1 and Ar2 group represents, independently of one another, an optionally substituted aromatic ring; and SP is a connecting group that connects at least the Ar1 and Ar2 groups to one another, SP separating the Ar1 and Ar2 groups by at least 2 covalent bonds.

Abstract: The invention relates to a process for the synthesis of a polymer bearing one or more pendant hydroxyaryl groups, comprising the reaction of a polymer bearing at least one epoxide functional group with a nucleophilic compound simultaneously bearing the hydroxyaryl group and a nucleophilic functional group selected from the group consisting of the phosphonic acid functional group and its ionic form.

Abstract: An aromatic polyphenol derivative comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—Si(R1R2R3) group with R1, R2, R3 representing, independently of one another, a hydrocarbon-based radical or a substituted hydrocarbon-based radical.

Abstract: A process for synthesizing a copolymer bearing imidazole pendant groups is provided. The process comprises the radical copolymerization of a monomer mixture comprising a terminal olefin and a functional monomer bearing a (meth)acryloyl group and an imidazole group.