Abstract: A rubber composition based on at least one diene elastomer, a reinforcing filler predominantly comprising a filler covered at least partially by silica and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z score greater than or equal to 70, and the composition is devoid of agent for coupling the filler with the elastomer.

Abstract: A tire for a heavy vehicle of civil engineering type, intended to be fitted onto a rim, is provided. The nominal diameter of the tire is at least equal to 25 inches. The tire comprises a tread having a radial thickness HT at least equal to 30 mm. The tread has a composition based on at least one diene elastomer, a reinforcing filler predominantly comprising a filler at least partially covered with silica, an agent for coupling the filler to the at least one diene elastomer and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z score of greater than or equal to 70.

Abstract: The tire has a radial carcass reinforcement intended to equip vehicles carrying heavy loads and running at sustained speed. The tire comprises a crown reinforcement, itself capped radially with a tread joined to two beads via two sidewalls. The tread comprises at least two radially superposed layers of polymeric compound, a radially outer first layer that comes into contact with the ground and a radially inner second layer. The second layer has a composition based on at least a diene elastomer, a reinforcing filler comprising predominantly a filler covered at least partially by silica, an agent for coupling the filler with the elastomer and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z value greater than or equal to 70.

Abstract: The tire has a radial carcass reinforcement intended to equip vehicles carrying heavy loads and running at sustained speed. The tire comprises a crown reinforcement, itself capped radially with a tread joined to two beads via two sidewalls. The tread comprises at least two radially superposed layers of polymeric compound, a radially outer first layer that comes into contact with the ground and a radially inner second layer. The second layer has a composition based on at least a diene elastomer, a reinforcing filler comprising predominantly a filler covered at least partially by silica, an agent for coupling the filler with the elastomer and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z value greater than or equal to 70.

Abstract: A rubber composition based on at least one diene elastomer, a reinforcing filler predominantly comprising a filler covered at least partially by silica and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z score greater than or equal to 70, and the composition is devoid of agent for coupling the filler with the elastomer.

Abstract: A tire for a heavy vehicle of civil engineering type, intended to be fitted onto a rim, is provided. The nominal diameter of the tire is at least equal to 25 inches. The tire comprises a tread having a radial thickness HT at least equal to 30 mm. The tread has a composition based on at least one diene elastomer, a reinforcing filler predominantly comprising a filler at least partially covered with silica, an agent for coupling the filler to the east one diene elastomer and a crosslinking system. The dispersion of the filler in the elastomeric matrix has a Z score of greater than or equal to 70.

Abstract: The disclosure relates to a rubber composition based on at least one styrene/butadiene copolymer SBR, the SBR having a content of greater than or equal to 50 parts per hundred parts of elastomer, phr, a reinforcing filler comprising predominantly carbon black with a CTAB specific surface area of greater than or equal to 90 m2/g, wherein the composition comprises an aromatic dicyclopentadiene plasticizing resin comprising essentially styrene, ethylene and dicyclopentadiene units, at a content ranging from 2 to 40 phr, the composition containing less than 5 phr of another plasticizer.

Abstract: A rubber composition is provided. The rubber composition is based at least on an elastomer matrix comprising natural rubber and a functional diene elastomer, the functional diene elastomer bearing an SiOR function, R being hydrogen or a carbon-based group, the carbon black having a BET specific surface area of greater than 130 m2/g, the dispersion of the carbon black in the elastomer matrix having a Z value of greater than 80. The composition has an improved compromise between the hysteresis properties and the properties at break.

Abstract: A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system is provided. The reinforcing filler predominantly comprises silica, that the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr and that the total content of reinforcing filler is less than or equal to 45 phr.

Abstract: A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread having at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(?) value, denoted tan(?)max, lower than 0.120, and the complex dynamic shear modulus G* 1% at 100° C. of the second blended elastomeric compound having a value at least 10% higher than that of the complex dynamic shear modulus G* 1% at 100° C. of the first blended elastomeric compound.

Abstract: A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread containing at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(?) value, denoted tan(?)max, lower than 0.150, and the elongation at break in a tearability test of the second blended elastomeric compound at 100° C. having a value at least 10% higher than that of the elongation at break of the first blended elastomeric compound in a tearability test at 100° C.

Abstract: A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread having at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(?) value, denoted tan(?)max, lower than 0.150, and the second blended elastomeric compound having a maximum tan(?) value, denoted tan(?)max, lower than 0.130.

Abstract: A tire of which the tread contains at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a Z-value higher than 55 and a tan(?)max value lower than 0.120, the second blended elastomeric compound having a Z-value higher than 50 and a tan(?)max value lower than 0.100, and the complex modulus G*1% at 100° C. of the second blended elastomeric compound having a value at least 5% higher than that of the modulus G*1% at 100° C. of the first blended elastomeric compound.

Abstract: A tire of which the tread contains at least two layers of blended elastomeric compounds that are radially superposed and has a voids ratio that is lower in the central part than at the axially outer parts thereof. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a central part, and of two outer parts formed of a second blended compound, the first blended compound having a Z-value higher than 55, the first blended compound and the second blended compound having a tan(?)max value lower than 0.

Abstract: The disclosure relates to a rubber composition based on at least one styrene/butadiene copolymer SBR, the SBR having a content of greater than or equal to 50 parts per hundred parts of elastomer, phr, a reinforcing filler comprising predominantly carbon black with a CTAB specific surface area of greater than or equal to 90 m2/g, wherein the composition comprises an aromatic dicyclopentadiene plasticizing resin comprising essentially styrene, ethylene and dicyclopentadiene units, at a content ranging from 2 to 40 phr, the composition containing less than 5 phr of another plasticizer.

Abstract: The invention relates to a reprogrammable logic device comprising a plurality of elementary patches, each patch comprising: at least one logic block configurable by one or more volatile memory cells storing configuration data; and a memory comprising: a plurality of non-volatile memory cells storing refresh data, each non-volatile memory cell comprising first and second resistance-switching elements, each being programmable so as to have one of a first and of a second resistance value representative of the refresh data; and a read-write circuit adapted for periodically refreshing the configuration data on the basis of the refresh data.

Abstract: A tire of which the tread contains at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a Z-value higher than 55 and a tan(?)max value lower than 0.120, the second blended elastomeric compound having a Z-value higher than 50 and a tan(?)max value lower than 0.100, and the complex modulus G*1% at 100° C. of the second blended elastomeric compound having a value at least 5% higher than that of the modulus G*1% at 100° C. of the first blended elastomeric compound.

Abstract: A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread containing at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(?) value, denoted tan(?)max, lower than 0.150, and the elongation at break in a tearability test of the second blended elastomeric compound at 100° C. having a value at least 10% higher than that of the elongation at break of the first blended elastomeric compound in a tearability test at 100° C.

Abstract: A tire of which the tread contains at least two layers of blended elastomeric compounds that are radially superposed and has a voids ratio that is lower in the central part than at the axially outer parts thereof. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a central part, and of two outer parts formed of a second blended compound, the first blended compound having a Z-value higher than 55, the first blended compound and the second blended compound having a tan(?)max value lower than 0.

Abstract: A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread having at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(?) value, denoted tan(?)max, lower than 0.120, and the complex dynamic shear modulus G* 1% at 100° C. of the second blended elastomeric compound having a value at least 10% higher than that of the complex dynamic shear modulus G* 1% at 100° C. of the first blended elastomeric compound.