Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Arkema France

Compagnie Generale Des Establissements Michelin

Compagnie Generale Des Etablissements

Compagnie Des Etablissements Michelin

Societe Detechnologie Michelin

Nicolas Seeboth

Jean-Michel Favrot

José Carlos Araujo Da Silva

Anne Veyland

Rachid Matmour

Anne-Frédérique Salit Salit

Anne Frédérique Salit

Karine Longchambon

Charlotte Dire

Sergey Ivanov

Jean-Luc Couturier

Manuel Hidalgo

Philippe Chaboche

Serguey Ivanov

Sylvain Mayer

José Manuel Antelo Miguez

Benigno A Janeiro

Claire Rannoux

Anne-Lise Thuilliez

Pierre Robert

José-Carlos Araujo Da Silva

Jean-Marc Marechal

Sophie Gander

Pablo Barreiro

Fanny Barbotin

Laure Belin

Stéphanie De Landtsheer

Etienne Fleury

Jean Marc Marechal

Julien Chatard

Perrine Vallat

Robert Ngo

Anne-Frédérique Salit

Sergey Molkov

José Araujo Da Silva

Anne-Frederique Salit

José Araujo

The invention relates to an alkoxysilane polysulfide, of formula (I):(RO)(R)Si&#x2014;CH&#x2014;(R)CH&#x2014;Z&#x2014;S&#x2014;Z&#x2014;HC(R)&#x2014;CH&#x2014;Si(R)(OR)&#x2003;&#x2003;(I),in which: R, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 18 carbon atoms; R, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 4 carbon atoms; R, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 12 carbon atoms, preferably from 1 to 6 carbon atoms; Z, which are identical or different, each represent a divalent hydrocarbon bonding group comprising from 1 to 16 carbon atoms; x is an integral or fractional number greater than or equal to 2; and n is an integer equal to 0, 1 or 2.

Alkoxysilane polysulphide

An elastomeric composition is based on at least a diene elastomer, an inorganic filler as reinforcing filler and a monohydroxysilane polysulfide as coupling agent of formula (I): (HO)(R)Si&#x2014;CH&#x2014;(R)CH&#x2014;Z&#x2014;S&#x2014;Z&#x2014;HC(R)&#x2014;CH&#x2014;Si(R)(OH) (I), in which: each Rrepresents a monovalent hydrocarbon group having from 1 to 18 carbon atoms and can be the same or different from one another; each Rrepresents a monovalent hydrocarbon group having from 1 to 4 carbon atoms and can be the same or different from one another; each Z represents a divalent hydrocarbon bonding group comprising from 1 to 16 carbon atoms can be the same or different from one another; and x is an integral or fractional number greater than or equal to 2.

Rubber composition comprising a monohydroxysilane polysulfide coupling agent

A process for the synthesis of a diene copolymer comprising at least two blocks, at least one of the blocks being composed of a diene elastomer, characterized in that it comprises a stage of 1,3-dipolar reaction of two polymers defined as being: This process of synthesis can be adjusted, whatever the nature of the monomers necessary to form each of the blocks of the copolymer. Each block can be synthesized with an appropriate chemistry, independently of the other block.

Diene copolymer including at least two blocks, method for synthesizing same and rubber composition containing same

A heavy-duty vehicle tire comprising a tread consisting of a crosslinked rubber composition comprising a reinforcing filler of siliceous type and a synthetic polyisoprene modified by grafting with a compound comprising at least one group Q, and at least one group A, which are joined to one another by at least one and preferably one 'spacer' group Sp, in which:

Heavy goods vehicle tire comprising a tread based on a modified polyisoprene, process for preparing same

The invention relates to a modified diene elastomer comprising predominantly the entity functionalized in the middle of the chain by a silanol group, the silicon atom of which bonds the two pieces of the chain, the chain ends of the modified diene elastomer being functionalized to at least 70 mol %, with respect to the number of moles of chain end, by an amine functional group.

Coupled diene elastomer having a silanol function in the middle of the chain and having an amine function at the chain end, and rubber composition comprising same

A rubber composition is based on at least one diene elastomer, a reinforcing filler and a 1,3-dipolar compound bearing an imidazole functional group. Such a composition exhibits an improved compromise in certain properties such as stiffness in the cured state and hysteresis.

Rubber composition comprising a 1,3-dipolar compound additive bearing an imidazole functional group

The invention relates to a modified diene elastomer comprising predominantly the entity functionalized in the middle of the chain by an alkoxysilane group, optionally partially or completely hydrolyzed to give silanol, bearing a tertiary amine functional group and the silicon atom of which bonds the two pieces of the chain, the chain ends of the modified diene elastomer being functionalized to at least 70 mol %, with respect to the number of moles of chain end, by an amine functional group.

Modified diene elastomer comprising a diene elastomer coupled by an aminoalkoxysilane compound and having an amine function at the chain end, and rubber composition comprising same

The invention relates to a modified diene elastomer comprising predominantly the entity functionalized in the middle of the chain by an alkoxysilane group, optionally partially or completely hydrolyzed to give silanol, bearing an epoxide function and the silicon atom of which bonds the two pieces of the chain, the chain ends of the modified diene elastomer being functionalized to at least 70 mol %, with respect to the number of moles of chain end, by an amine function.

Modified diene elastomer predominantly comprising a diene elastomer coupled by an alkoxysilane compound bearing an epoxide group and amine-functionalized at the end of the chain

A rubber composition comprises a reinforcing filler and a diene elastomer bearing imidazole functional groups along the chain which are randomly distributed along the chain. Such a composition exhibits an improved compromise in certain properties such as stiffness in the cured state and hysteresis.

Rubber composition comprising a diene elastomer bearing imidazole functional groups randomly distributed along the chain

A rubber composition for the manufacture of tires is based on one or more diene elastomers, one or more reinforcing fillers, and a vulcanization system. The vulcanization system includes one or more thiazole compounds chosen from compounds having the following formula (I):  Certain specific thiazole derivatives are described.

Rubber composition including a thiazole derivative

A rubber composition for manufacturing tyres includes one or more diene elastomers, one or more reinforcing fillers, and a vulcanization system. The vulcanization system includes one or more thiazoline compounds chosen from compounds of formula I and compounds of formula II: Certain specific thiazoline derivatives are described.

Rubber composition comprising a thiazoline derivative

The present invention relates to a process for the preparation of a random copolymer based on diene monomers and on cyclic carbosilane monomers. This process is characterized in that it comprises a stage of copolymerization, in the presence of an anionic initiator in a reaction medium comprising a polar solvent, of at least one diene monomer and of a cyclic carbosilane monomer corresponding to the Formula I: 

Method for preparing a statistical copolymer based on diene monomers and cyclic carbosilane monomers

A process for the radical grafting of a graft to a diene elastomer, comprising the following stages: This radical grafting process makes it possible to achieve high grafting yields which can reach 100%.

Process for radical grafting of a diene elastomer

An anionic polymerization initiator of formula:  The use of such a polymerization initiator makes possible the synthesis of a diene elastomer bearing, at one or each of its chain ends, a group comprising an alkyne functional group with a high degree of functionalization.

Anionic polymerization initiator, use thereof for synthesizing a diene elastomer having an alkyne function at the chain end, and functionalized diene elastomer

The present invention relates to a modified polymer obtained by grafting a compound comprising at least one group Q, and at least one group A bonded together by at least, and preferably, one 'spacer' group Sp in which:

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Clermont-Ferrand, France

Nicolas Seeboth