Abstract: The present invention relates to a rubber composition comprising a styrene-butadiene copolymer (SBR), a polybutadiene (BR), an unsaturated thermoplastic styrene (TPS) copolymer and a reinforcing filler. The invention also relates to the use of such a composition for the manufacture of a tyre tread that has improved properties in terms of wear resistance, while retaining a very good level of grip on wet ground.

Abstract: The present invention relates to a rubber composition based on at least an epoxidized natural rubber—, a reinforcing filler and, as plasticizing agent, an alpha-methylstyrene polymer resin. The invention also relates to the use of such a composition for the manufacture of a tyre tread exhibiting an improved compromise of properties with respect to grip on wet ground and rolling resistance.

Abstract: The present invention relates to a tyre having a tread comprising a rubber composition that comprises at least: as a first diene elastomer, between 5 and 25 phr of a styrene-nitrile-butadiene terpolymer (SNBR) having a nitrile monomer content between 4 and 18% by weight; a second diene elastomer other than SNBR; a reinforcing filler; a liquid plasticizer, the glass transition temperature of which is below ?20° C. The invention makes it possible to improve the properties of rolling resistance and of grip on wet ground of tire treads.

Abstract: Plasticizing system which can be used in particular for the plasticizing of a tyre diene elastomer composition comprising, in combination: a plasticizing hydrocarbon resin, the glass transition temperature of which is greater than 0° C.; and a tri- or pyromellitate ester corresponding to the formula (I): in which the R radicals, which are identical or different, represent a hydrocarbon radical and the R? radical represents hydrogen or the COOR group. The invention also relates to a rubber composition incorporating the said plasticizing system and to the use of such a composition for the manufacture of a tyre or tyre semi-finished product made of rubber, in particular of a tyre tread, exhibiting an improved wear resistance without having a detrimental affect on its wet grip.

Abstract: A plasticizing system used for plasticizing a diene rubber composition is based on an MES or TDAE oil and on C5 fraction/vinylaromatic copolymer resin, in particular a copolymer of a C5 fraction and of styrene resin. A rubber composition exhibiting an improved abrasion and cut resistance is based on at least a diene elastomer, a reinforcing filler, a crosslinking system, and a plasticizing system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin. A tire is formed of the above mentioned rubber composition. A process for preparing such a composition, use of said composition for the manufacture of a finished article or of a semi-finished product intended for a motor vehicle ground-contact system, in particular a tire and a tread of such a tire.

Abstract: Plasticizing system usable for the plasticizing of a diene rubber composition. The plasticizing system is based on an MES or TDAE oil and a polylimonene resin. The rubber composition has an improved resistance to abrasion and to cuts, said composition being based on at least a diene elastomer, a reinforcing filler, a cross-linking system and a plasticizing system comprising between 5 and 35 phr of an MES or TDAE oil, and between 5 and 35 phr of a polylimonene resin (phr=parts by weight per hundred of elastomer). Advantageously, this plasticizing system furthermore comprises an unsaturated (C12-C22) fatty acid triester of glycerol, preferably a glycerol trioleate. A process is disclosed for preparing such a composition. The composition can be used for the manufacture of a finished article or a semi-finished product intended for a suspension system of a motor vehicle, in particular a tire or a tread of such a tire.

Abstract: Plasticising system which can be used for the plasticizing of a diene rubber composition, characterized in that it is based on an MES or TDAE oil and on C5 fraction/vinylaromatic copolymer resin, in particular a copolymer of a C5 fraction and of stirene resin. Rubber composition exhibiting an improved abrasion and cut resistance, said composition being based on at least a diene elastomer, a reinforcing filler, a crosslinking system and a plasticising system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin (phr=parts by weight per 100 parts of elastomer). Process for preparing such a composition, use of said composition for the manufacture of a finished article or of a semi-finished product intended for a motor vehicle ground-contact system, in particular a tire and a tread of such a tire.

Abstract: Rubber composition comprising at least one diene elastomer, one reinforcing filler and one 1,2-cyclohexanedicarboxylate diester plasticizer corresponding to the formula (R hydrocarbon radical): The invention also relates to the use of such a composition in the manufacture of a tyre or of a tyre semi-finished product made of rubber, in particular of a tyre tread exhibiting an improved wet grip, without adversely affecting its other properties; it also relates to the tyres and semi-finished products themselves and to a plasticizing system comprising, in combination, the said diester plasticizer and a plasticizing hydrocarbon resin, the glass transition temperature (Tg) of which is greater than 0° C.

Abstract: A plasticising system used for plasticizing a diene rubber composition is based on an MES or TDAE oil and on C5 fraction/vinylaromatic copolymer resin, in particular a copolymer of a C5 fraction and of styrene resin. A rubber composition exhibiting an improved abrasion and cut resistance is based on at least a diene elastomer, a reinforcing filler, a crosslinking system, and a plasticising system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin. A tire is formed of the above mentioned rubber composition. A process for preparing such a composition, use of said composition for the manufacture of a finished article or of a semi-finished product intended for a motor vehicle ground-contact system, in particular a tire and a tread of such a tire.

Abstract: Plasticizing system which can be used in particular for plasticizing a diene elastomer composition for tyres, the said plasticizing system comprising, in combination: a plasticizing hydrocarbon resin, the glass transition temperature of which is greater than 0° C.; and a phthalate diester corresponding to the formula (I): in which the R radicals, which are identical or different, represent a hydrocarbon radical. The invention also relates to a rubber composition incorporating the said plasticizing system and also to the use of such a composition in the manufacture of a tyre or of a semi-finished rubber product for tyres, in particular of a tyre tread; such a tread exhibits an improved wet grip without penalizing its wear resistance.

Abstract: Tyre tread comprising a rubber composition, the said composition comprising at least one diene elastomer, one reinforcing filler and one plasticizing system, characterized in that the said plasticizing system comprises, in combination: a plasticizing hydrocarbon resin, the glass transition temperature of which is greater than 0° C.

Abstract: Plasticizing system which can be used for the plasticizing of a diene rubber composition, wherein it is based on an MES or TDAE oil and on a resin formed of terpene/vinylaromatic copolymer, in particular copolymer of limonene and of stirene. Rubber composition exhibiting an improved abrasion and cut resistance, the composition being based on at least a diene elastomer, a reinforcing filler, a crosslinking system and a plasticizing system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin formed of terpene/vinylaromatic copolymer (pce=parts by weight per hundred parts of elastomer). Process for preparing such a composition, use of the composition for the manufacture of a finished article or of a semi-finished product intended for a tire or a tire/motor vehicle connecting system, in particular a tire tread.

Abstract: The inventive plasticising system is used for plasticising a dienic rubber compound is characterised in that it is based on a MES or TDAE oil and a polylimonene resin. Said rubber compound exhibits an improved abrasion and cut resistance and is based on at least one type of dienic elastomer, a reinforcing filler, a cross-linking system and a plasticising system comprising from 5 to 35 to 35 pce of the MES or TDAE oil and from 5 to 35 to 35 pce of polylimonene resin (pce=parts by weight percent elastomer). Advantageously, said plasticising system also comprises a glycerol unsaturated fatty acid triester (C12-C22), preferably a glycerol trifoliate. The inventive method for producing said compound, using the compound for producing a final or semi-final product for the gripping system of a motor vehicle with ground, in particular the tire or the thread thereof are also disclosed.

Abstract: Plasticising system which can be used for the plasticizing of a diene rubber composition, characterized in that it is based on an MES or TDAE oil and on C5 fraction/vinylaromatic copolymer resin, in particular a copolymer of a C5 fraction and of stirene resin. Rubber composition exhibiting an improved abrasion and cut resistance, said composition being based on at least a diene elastomer, a reinforcing filler, a crosslinking system and a plasticising system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin (phr=parts by weight per 100 parts of elastomer). Process for preparing such a composition, use of said composition for the manufacture of a finished article or of a semi-finished product intended for a motor vehicle ground-contact system, in particular a tire and a tread of such a tire.