Modified conjugated diene-based polymer and rubber composition thereof, and tire

A modified conjugated diene-based polymer containing:having a weight average molecular weight of 20×104 or more and 300×104 or less,having a star-branched structure with a conjugated diene-based polymer chain bonded to a modifier residue,wherein the modifier residue has at least 4 silicon atoms, and...

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Bibliographische Detailangaben
Hauptverfasser:	Kyo, Miki, Sekikawa, Shinichi
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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 TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A modified conjugated diene-based polymer containing:having a weight average molecular weight of 20×104 or more and 300×104 or less,having a star-branched structure with a conjugated diene-based polymer chain bonded to a modifier residue,wherein the modifier residue has at least 4 silicon atoms, and alkoxy groups and/or hydroxyl groups andthe conjugated diene-based polymer chain is bonded to the silicon atom,wherein the number of alkoxy groups and/or hydroxyl groups in the modifier residue is larger than the number of the silicon atoms on average.