Rubber composition based on a modified diene elastomer
A rubber composition based at least on a reinforcing filler comprising a content of silica of greater than or equal to 80 phr and on an elastomer matrix comprising a content of a modified diene elastomer of greater than or equal to 75 phr is provided. The modified diene elastomer includes macromolec...
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| creator | Dire, Charlotte De-Gaudemaris, Benoît Chatard, Julien Roos, Kevin |
| description | A rubber composition based at least on a reinforcing filler comprising a content of silica of greater than or equal to 80 phr and on an elastomer matrix comprising a content of a modified diene elastomer of greater than or equal to 75 phr is provided. The modified diene elastomer includes macromolecules comprising, within their structure, a linear or branched polyether block comprising, at each of the two ends of the block, a branch point to which up to three diene elastomer branches and up to three -OR groups are bonded, R representing, independently of one another, a C1-C8 alkyl substituent or a hydrogen atomb-the. The copolymer is composed:of at least 20% of branched macromolecules comprising a polyether block to which at least three diene elastomer blocks are bonded,of at most 80% of linear macromolecules, andd-each of the branch points includes a silicon atom. |
| format | Patent |
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The modified diene elastomer includes macromolecules comprising, within their structure, a linear or branched polyether block comprising, at each of the two ends of the block, a branch point to which up to three diene elastomer branches and up to three -OR groups are bonded, R representing, independently of one another, a C1-C8 alkyl substituent or a hydrogen atomb-the. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL |
| title | Rubber composition based on a modified diene elastomer |
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