Michelin Recherche Et Technique S.a.

Compagnie Generale Des Etablissements Michelin

Compagnie Generale Des Etablissments Michelin

Compagnie Generale Des Establissements Michelin - Michelin & Cie

Compagnie G&eacute;n&eacute;rale Des Etablissements Michelin - Michelin & Cie

Compagnie Générale Des Etablissements Michelin-Michelin & Cie

Compagnie Generale Des Establissements Michelin

Societe Detechnologie Michelin

Emmanuel Custodero

Jose Merino Lopez

Vincent Abad

Julien Thuilliez

Jean-Luc Couturier

Jean-Claude Tardivat

Sébastien Rigo

Pierre Lesage

Laure Simonot

Marc Greiveldinger

Vincent Lemal

Jérémy Toussain

Laure M Simonot

José Merino Lopez

Anne Veyland

Damien Thomasson

Christophe Chouvel

Arnaud Lapra

Marc Duvernier

Frédéric Perrin

Thierry Chartier

José-Carlos Araujo Da Silva

Benjamin Gornard

Loïc Albert

Jean-Marie Mus

Jean-François Devaux

Romain Libert

Baptiste Foglieni

Cyrille Guery

Patrick Bernadot

Lucien Silvain

Catherine Gauthier

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.

Tire provided with an outer sidewall comprising a thermoplastic elastomer comprising at least one saturated elastomer block

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 &#x2212;20&#xb0; 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 &#x3b1;-methylstyrene and of units derived from &#x3b2;-pinene. A process for rendering a pneumatic object gastight to inflation gases is also disclosed.

Tire object provided with an elastomer layer made of a thermoplastic elastomer in the form of an (A-b-(a-methylstyrene-co-B))n-b-C block copolymer

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%.

Tire ready to receive a member on the surface thereof

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).

Tire provided with a tread comprising a thermoplastic elastomer

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:

Method of manufacturing a tire tread

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.

Pneumatic object provided with a gastight layer containing a thermoplastic elastomer and a thermoplastic

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).

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.

Composite reinforcer sheathed with a layer of polymer that is self-adhesive to rubber

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.

Method of manufacturing a two-layer metal cord rubberized in situ using an unsaturated thermoplastic elastomer

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&#xb0; C. to 300&#xb0; 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.

Rubber composition comprising a thermoplastic filler and compatibilizer

Composite reinforcer (R-) 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) (), for example a carbon steel cord; a first layer () 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 () 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 (). Process for manufacturing such a composite reinforcer and rubber article or semi-finished product, especially a pneumatic tire, incorporating such a composite reinforcer.

Composite reinforcer

Inflatable article equipped with an elastomer layer impermeable to the inflation gases, said elastomer layer comprising at least, as the predominant elastomer, a thermoplastic stirene/isobutylene/stirene (SIBS) elastomer. Preferably the SIBS elastomer comprises between 5% and 50% by weight of stirene, its number-average molecular weight is between 30 000 and 500 000 g/mol, and its Tis below &#x2212;20&#xb0; C. Preferably the airtight elastomer layer also comprises, as a plasticizing agent, an extender oil for the SIBS elastomer with a content preferably between 5 and 100 phr. The inflatable article is, in particular, an inner tube or a pneumatic tire for a motor vehicle.

Pneumatic article with gas tight layer including a thermoplastic elastomer

The present invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads and a carcass reinforcement anchored to the two beads and extending from one sidewall to the other. The tread is based on at least one thermoplastic elastomer and on carbon black at a content by volume within a range extending from 5% to 30%, the thermoplastic elastomer being a block copolymer comprising at least one elastomer block and at least one thermoplastic block, and the total content of thermoplastic elastomer being within a range varying from 65 to 100 phr.

Tire provided with a tread including a thermoplastic elastomer and carbon black

An inflatable article is provided with an elastomer layer that is airtight to inflation gases used to inflate the article. The elastomer layer includes at least one styrene thermoplastic elastomer, which includes a polyisobutylene block. The elastomer layer also includes a polyphenylene ether (PPE).

Pneumatic object provided with a gas-tight layer comprising a styrene thermoplastic elastomer and a polyphenylene ether

Method of manufacturing a multi-layer metal cord having a plurality of concentric layers of wires, comprising one or more inner layer(s) and an outer layer, of the type 'rubberized in situ. The method includes the following steps: at least one step of sheathing at least one inner layer with the rubber or the rubber composition by passing through at least one extrusion head; and an assembling step in which the wires of the outer layer are assembled around the inner layer adjacent to it, in order to form the multi-layer cord thus rubberized from the inside. The rubber is an unsaturated thermoplastic elastomer extruded in the molten state, preferably a thermoplastic elastomer of the thermoplastic stirene (TPS) elastomer type such as an SBS, SBBS, SIS or SBIS block copolymer for example.

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Chamalieres, France

Emmanuel Custodero