MODIFIED DIENE POLYMER RUBBER, ITS MANUFACTURING METHOD AND RUBBER COMPOSITION

PROBLEM TO BE SOLVED: To provide a modified diene polymer rubber excellent in resilience and fuel consumption savings. SOLUTION: The modified diene polymer rubber is obtained by reacting an active conjugated diene polymer having an alkali metal terminal obtained by polymerizing a conjugated diene mo...

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Hauptverfasser:	INAGAKI MASANARI, MABE SEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a modified diene polymer rubber excellent in resilience and fuel consumption savings. SOLUTION: The modified diene polymer rubber is obtained by reacting an active conjugated diene polymer having an alkali metal terminal obtained by polymerizing a conjugated diene monomer or a conjugated diene monomer and an aromatic vinyl monomer in a hydrocarbon solvent with the use of an alkali metal catalyst with a coupling agent (a) of a silicon or tin compound represented by the formula: RcMXd (wherein R is an alkyl group or the like; M is silicon or the like; X is a halogen; c is an integer of 0-2; and d is an integer of 2-4) and a modifying compound A (b) represented by formula (1) (wherein R1to R3are each an alkyl group; R4to R9are each an alkoxy group or an alkyl group; and l to n are each an integer) or the modifying compound (b). COPYRIGHT: (C)2006,JPO&NCIPI