Abstract: A rubber composition contains at least: a reinforcing filler comprising silica, an elastomer comprising units of a 1,3-diene monomer and bearing carbonate functions that are each present in a 1,3-dioxolan-2-one ring, a crosslinking system comprising a polyamine compound, and a terpene phenolic resin.

Abstract: A rubber composition contains at least: a reinforcing filler comprising silica, an elastomer comprising units of a 1,3-diene monomer and bearing carbonate functions that are each present in a 1,3-dioxolan-2-one ring, a crosslinking system comprising a polyamine compound, and a terpene phenolic resin.

Abstract: A rubber composition is based on at least: a copolymer A based on at least one ethylene monomer and on at least one vinyl acetate monomer; a reinforcing inorganic filler, said inorganic filler comprising silica; as agent for coupling between said copolymer A and said reinforcing inorganic filler, an organosilane compound of formula (I) B-Z—Si(G1)(3-d)(G2)(d)??(I), wherein B, Z, G1, G2 and (d) have the meanings indicated in the claims; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Abstract: A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Abstract: A rubber composition is based on at least: a copolymer A based on at least one ethylene monomer and on at least one vinyl acetate monomer; a reinforcing inorganic filler, said inorganic filler comprising silica; as agent for coupling between said copolymer A and said reinforcing inorganic filler, an organosilane compound of formula (I) B-Z—Si(G1)(3-d)(G2)(d)??(I), wherein B, Z, G1, G2 and (d) have the meanings indicated in the claims; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Abstract: A rubber composition based on a reinforcing filler and on an elastomer comprising units of a 1,3-diene monomer and bearing carbonate functions, each present in a 1,3-dioxolan-2-one ring is provided. The composition has improved reinforcement.

Abstract: A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Abstract: A rubber composition is based on at least one predominant elastomer comprising epoxide functional groups, silica as predominant reinforcing filler, an agent for covering the silica, and a system for crosslinking the elastomer comprising an imidazole and a polycarboxylic acid of general formula (I): and an imidazole of general formula (II):

Abstract: A rubber composition based on a reinforcing filler and on an elastomer comprising units of a 1,3-diene monomer and bearing carbonate functions, each present in a 1,3-dioxolan-2-one ring is provided. The composition has improved reinforcement.

Abstract: A rubber composition based on a reinforcing filler and on an elastomeric matrix comprising a highly saturated diene elastomer, comprising units of the following categories A, B, C, D and E, or units of these same categories A, B, C, D and E comprising, for at least one of the categories B, C, D and E, a mixture of at least two different units of the same category which differ from one another through the nature of their side groups Ri: and where R1, R2, R3 and R4, which are identical or different, denote a hydrogen atom, a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; R5 denotes a hydrogen atom or a methyl radical; R6 denotes a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; m, n, o, p and q are numbers ranging from 0 to 100.

Abstract: The present invention relates to a rubber composition based on a reinforcing filler and on an elastomer matrix comprising a highly saturated diene elastomer comprising at least five distinct units of A, B, C, D and E distributed randomly within the elastomer at respective molar fractions of m %, n %, o %, p % and q %, where m+n+o+p+q=100; m?50; n+o+p+q?10; and 15?p+q?2. This rubber composition enables a satisfactory degree of stiffness to be reached while maintaining hysteresis properties acceptable for use in the manufacture of tires for running vehicles.

Abstract: A rubber composition is based on at least one predominant elastomer comprising epoxide functional groups, silica as predominant reinforcing filler, an agent for covering the silica, and a system for crosslinking the elastomer comprising an imidazole and a polycarboxylic acid of general formula (I): and an imidazole of general formula (II):

Abstract: A tire comprises a rubber composition based on at least one olefinic elastomer comprising epoxide functional groups as predominant elastomer, at least one reinforcing filler, and a crosslinking system comprising a polycarboxylic acid of general formula (I): in which B represents a hydrocarbon group which comprises at least 50 carbon atoms, which is optionally substituted and which is optionally interrupted by one or more heteroatoms, and an imidazole of general formula (II): in which R1 represents a hydrocarbon group or a hydrogen atom, R2 represents a hydrocarbon group, R3 and R4 represent, independently of one another, a hydrogen atom or a hydrocarbon group, or else R3 and R4 form, together with the carbon atoms of the imidazole ring to which they are attached, a ring.

Abstract: A tire comprises a rubber composition based on at least one olefinic elastomer comprising epoxide functional groups as predominant elastomer, at least one reinforcing filler, and a crosslinking system comprising a polycarboxylic acid of general formula (I): in which A represents a covalent bond or a hydrocarbon group which comprises at least 1 carbon atom, which is optionally substituted and which is optionally interrupted by one or more heteroatoms, and an imidazole of general formula (II): in which R1 represents a hydrocarbon group or a hydrogen atom, R2 represents a hydrocarbon group, R3 and R4 represent, independently of one another, a hydrogen atom or a hydrocarbon group, or else R3 and R4 form, together with the carbon atoms of the imidazole ring to which they are attached, a ring.

Abstract: A tire comprises a rubber composition based on at least one ethylenic elastomer comprising epoxide functional groups as predominant elastomer, at least one reinforcing filler and a crosslinking system comprising a polycarboxylic acid of general formula (I): in which A represents a covalent bond or a hydrocarbon group which comprises at least 1 carbon atom, which is optionally substituted and which is optionally interrupted by one or more heteroatoms, and an imidazole of general formula (II): in which R1 represents a hydrocarbon group or a hydrogen atom, R2 represents a hydrocarbon group, R3 and R4 represent, independently of one another, a hydrogen atom or a hydrocarbon group, or else R3 and R4 form, together with the carbon atoms of the imidazole ring to which they are attached, a ring.

Abstract: A tire comprises a rubber composition based on at least one predominant diene elastomer comprising epoxide functional groups, at least one reinforcing filler and a crosslinking system.

Abstract: The present invention relates to a rubber composition based on a reinforcing filler and on an elastomer matrix comprising a highly saturated diene elastomer comprising at least five distinct units of A, B, C, D and E distributed randomly within the elastomer at respective molar fractions of m %, n %, o %, p % and q %, where m+n+o+p+q=100; m?50; n+o+p+q?10; and 15?p+q?2. This rubber composition enables a satisfactory degree of stiffness to be reached while maintaining hysteresis properties acceptable for use in the manufacture of tires for running vehicles.

Abstract: A tire comprises a rubber composition based on at least one predominant diene elastomer comprising epoxide functional groups, at least one reinforcing filler, and a crosslinking system. The crosslinking system comprises a polycarboxylic acid of general formula (I): in which A represents a covalent bond or a hydrocarbon group which comprises at least 1 carbon atom, which is optionally substituted and which is optionally interrupted by one or more heteroatoms, and an imidazole of general formula (II): in which R1 represents a hydrocarbon group or a hydrogen atom, R2 represents a hydrocarbon group, R3 and R4 represent, independently of one another, a hydrogen atom or a hydrocarbon group, or else R3 and R4 form, together with the carbon atoms of the imidazole ring to which they are attached, a ring.

Abstract: A tire comprises a rubber composition based on at least one polymer comprising epoxide functional groups, at least one reinforcing filler and a system for crosslinking the polymer. The system for crosslinking the polymer comprises a polycarboxylic acid of general formula (I): in which A represents a covalent bond or a hydrocarbon group which comprises at least 1 carbon atom, which is optionally substituted and which is optionally interrupted by one or more heteroatoms, and an imidazole of general formula (II): in which R1 represents a hydrocarbon group or a hydrogen atom, R2 represents a hydrocarbon group, and R3 and R4 represent, independently of one another, a hydrogen atom or a hydrocarbon group, or else R3 and R4 form, together with the carbon atoms of the imidazole ring to which they are attached, a ring.

Abstract: A rubber composition based on a reinforcing filler and on an elastomeric matrix comprising a highly saturated diene elastomer, comprising units of the following categories A, B, C, D and E, or units of these same categories A, B, C, D and E comprising, for at least one of the categories B, C, D and E, a mixture of at least two different units of the same category which differ from one another through the nature of their side groups Ri: and where R1, R2, R3 and R4, which are identical or different, denote a hydrogen atom, a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; R5 denotes a hydrogen atom or a methyl radical; R6 denotes a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; m, n, o, p and q are numbers ranging from 0 to 100.