Abstract: A tire has an outer sidewall, said outer sidewall comprising at least one composition comprising an elastomeric matrix which predominantly comprises by weight one or more thermoplastic elastomers comprising at least one elastomer block and at least one thermoplastic block, the elastomer block(s) being saturated.

Abstract: A pneumatic object is provided with an elastomer layer which is gastight to inflation gases, said elastomer layer comprising, as predominant elastomer, a thermoplastic elastomer in the form of a block copolymer which comprises: (a) an elastomeric block comprising at least units derived from isobutylene, and having a glass transition temperature of less than or equal to ?20° C., and (b) one or more thermoplastic blocks, the thermoplastic block(s) each comprising at least one first block consisting of units derived from at least one polymerizable monomer and at least one second block, said second block(s) being a random copolymer consisting of units derived from ?-methylstyrene and of units derived from ?-pinene. A process for rendering a pneumatic object gastight to inflation gases is also disclosed.

Abstract: A tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on said accommodating region and a protective film arranged on said adhesive layer, characterized in that said adhesive layer is based on a block thermoplastic elastomer (TPE) comprising an elastomer block based on a diene elastomer comprising a molar content (or content by weight) of unsaturations of greater than 10%.

Abstract: A tire has an outer sidewall, said outer sidewall comprising at least one composition comprising an elastomeric matrix which predominantly comprises by weight one or more thermoplastic elastomers comprising at least one elastomer block and at least one thermoplastic block, the elastomer block(s) being saturated.

Abstract: The present invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, in which the tread comprises at least one thermoplastic elastomer, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type, and the total content of thermoplastic elastomer being within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer).

Abstract: Method of manufacturing a tire tread having a plurality of raised elements, each having a contact face intended to come into contact with a ground when the tire is rolling and lateral faces connected to this contact face. The method of manufacture comprises: preparing a green form of the tire; laying a cover layer over all or part of an external surface of the green tire; laying the green tire in a mold; with the mold comprising a blade, using this blade to mold a lateral face of a raised element; vulcanizing the green tire to obtain the tire cutting the cover layer using cutting means belonging to the mold; during the molding of the lateral face driving with the blade a cut part of the cover layer into the green tire so that the lateral face of the raised element is partially or fully covered.

Abstract: Inflatable article equipped with a layer impermeable to the inflation gases, of improved hysteresis and impermeability. The layer comprises an elastomer composition comprising at least, as the sole elastomer or as the predominant elastomer by weight, a thermoplastic styrene elastomer (“TPS”) and a platy filler having a volume content greater than 5%. According to one preferred embodiment, the TPS elastomer is a copolymer with polystyrene and polyisobutylene blocks such as SIBS (styrene/isobutylene/styrene) and the composition also comprises an extender oil for the elastomer, in particular a PIB (polyisobutylene) oil. The platy filler is especially chosen from graphites and phyllosilicates such as micas, clays or talcs. The inflatable article can be an inner tube or a pneumatic tire for a motor vehicle.

Abstract: A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

Abstract: A pneumatic object is provided with an elastomer layer which is gastight to inflation gases, said elastomer layer comprising, as predominant elastomer, a thermoplastic elastomer in the form of a block copolymer which comprises: (a) an elastomeric block comprising at least units derived from isobutylene, and having a glass transition temperature of less than or equal to ?20° C., and (b) one or more thermoplastic blocks, the thermoplastic block(s) each comprising at least one first block consisting of units derived from at least one polymerizable monomer and at least one second block, said second block(s) being a random copolymer consisting of units derived from ?-methylstyrene and of units derived from ?-pinene. A process for rendering a pneumatic object gastight to inflation gases is also disclosed.

Abstract: A tire includes a tread, a crown with a crown reinforcement, first and second sidewalls, two beads, and a carcass reinforcement anchored to the two beads and extending from the first sidewall to the second sidewall. The tread includes a thermoplastic elastomer that is a block copolymer, which includes at least one elastomer block and at least one thermoplastic block. A total content of the thermoplastic elastomer in the tread is within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer).

Abstract: A tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on said accommodating region and a protective film arranged on said adhesive layer, characterized in that said adhesive layer is based on a block thermoplastic elastomer (TPE) comprising an elastomer block based on a diene elastomer comprising a molar content (or content by weight) of unsaturations of greater than 10%.

Abstract: A composite reinforcer that can adhere directly to a diene rubber matrix is usable as a reinforcing element for a pneumatic tire. The composite reinforcer includes at least one reinforcing thread, such as a carbon steel cord. Covering each thread individually or several threads collectively is a layer of a thermoplastic polymer composition. The thermoplastic polymer composition includes at least one thermoplastic polymer have a glass transition temperature that is positive, a poly(p-phenylene ether) (PPE), and a functionalized unsaturated thermoplastic styrene (TPS) elastomer having a glass transition temperature that is negative. The TPS elastomer includes a functional group selected from: an epoxide group, a carboxyl group, an acid anhydride group, and an ester group. A process for manufacturing such a composite reinforcer is presented, as well as a process for producing a rubber article, especially a pneumatic tire, incorporating such a composite reinforcer.

Abstract: A tire comprises a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least one diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), and a thermoplastic elastomer at a content of between 1 and 65 phr, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type.

Abstract: A radial tire (1) for a motor vehicle comprises a crown (2) comprising a tread (3) provided with at least a radially outer part (3a) intended to come into contact with the road; two non-stretchable beads (4), two sidewalls (5) connecting the beads (4) to the tread (3), a carcass reinforcement (6) passing into the two sidewalls (5) and anchored in the beads (4); a crown reinforcement or belt (7) positioned circumferentially between the radially outer part (3a) of the tread (3) and the carcass reinforcement (6); a radially inner elastomer layer (8) referred to as “underlayer”, which is positioned circumferentially between the radially outer part (3a) of the tread (3) and the carcass reinforcement (6), which comprises at least one thermoplastic elastomer which is a block copolymer comprising at least one elastomer block and at least one thermoplastic block, and which also comprises at least one magnetic filler.

Abstract: A radial tire (1) for a motor vehicle comprises a crown (2) comprising a tread (3) provided with at least a radially outer part (3a) intended to come into contact with the road; two non-stretchable beads (4), two sidewalls (5) connecting the beads (4) to the tread (3), a carcass reinforcement (6) passing into the two sidewalls (5) and anchored in the beads (4); a crown reinforcement or belt (7) positioned circumferentially between the radially outer part (3a) of the tread (3) and the carcass reinforcement (6); a radially inner elastomer layer (8) referred to as “underlayer”, which is positioned circumferentially between the radially outer part (3a) of the tread (3) and the carcass reinforcement (6), which comprises at least one thermoplastic elastomer which is a block copolymer comprising at least one elastomer block and at least one thermoplastic block, and which also comprises at least one conductive filler.

Abstract: A method of manufacturing a metal cord with two concentric layers of wires is provided. The cord includes an internal layer of M wires, M having a value from 1 to 4, and an external layer of N wires. The cord is rubberized from within in situ. That is, during manufacture of the cord, the cord is rubberized from inside. According to the method, the internal layer is sheathed with rubber or a rubber compound by passing the internal layer through an extrusion head, and the N wires of the external layer are assembled around the sheathed internal layer to form a two-layer cord rubberized from the inside. The rubber is an unsaturated thermoplastic elastomer that is extruded in a molten state, and preferably is a thermoplastic styrene (TPS) type of thermoplastic elastomer, such as an SBS or an SIS block copolymer, for example.

Abstract: A rubber composition, which can be used for manufacturing tires, is based on one or more diene elastomers, on one or more reinforcing fillers, and on a crosslinking system. The rubber composition includes particles of one or more thermoplastic materials chosen from thermoplastic materials with melting or softening points varying from 80° C. to 300° C. The rubber composition also includes one or more compatibilizing agents chosen from block copolymers that includes at least one diene elastomer block and at least one thermoplastic block compatible with the one or more thermoplastic materials.

Abstract: Composite reinforcer (R-2) that is self-adhesive, by curing, to a diene rubber matrix, which can be used as reinforcing element for a pneumatic tire, comprising: one or more reinforcing thread(s) (20), for example a carbon steel cord; a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive, for example a polyamide, covering said thread, individually each thread or collectively several threads; a second layer (22) of a composition comprising a poly(p-phenylene ether) (“PPE”) and a functionalized diene elastomer bearing functional groups selected from epoxide, carboxyl, acid anhydride and acid ester groups, in particular an epoxidized SBR, covering the first layer (21). Process for manufacturing such a composite reinforcer and rubber article or semi-finished product, especially a pneumatic tire, incorporating such a composite reinforcer.

Abstract: An elastomeric laminate for tires comprises at least two superimposed layers of elastomer. The first layer is composed of a composition based on at least one thermoplastic elastomer (TPE), said thermoplastic elastomer being a block copolymer comprising at least one optionally hydrogenated butadiene/styrene random copolymer-type elastomer block and at least one styrene-type thermoplastic block, at a content within a range extending from more than 50 to 100 phr (parts by weight per 100 parts by weight of elastomer). The second layer is composed of a composition based on at least one diene elastomer, the content of diene elastomer being within a range extending from more than 50 to 95 phr, and on at least one thermoplastic elastomer (TPE), said thermoplastic elastomer being a block copolymer comprising at least one optionally hydrogenated butadiene-styrene random copolymer-type elastomer block and at least one styrene-type thermoplastic block, at a content within a range extending from 5 to less than 50 phr.

Abstract: The present invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, in which the tread comprises at least one thermoplastic elastomer, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type, and the total content of thermoplastic elastomer being within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer).