CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, RUBBER CROSSLINKED PRODUCT, AND TIRE

A conjugated diene rubber of the present invention is prepared from conjugated diene polymer chains, wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end, the isoprene block contains 70 wt% or more isoprene monomer units, and t...

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Hauptverfasser: SASAJIMA, TATSUO, KARATO, TAKESHI, SUGIMURA, TAKESHI
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creator SASAJIMA, TATSUO
KARATO, TAKESHI
SUGIMURA, TAKESHI
description A conjugated diene rubber of the present invention is prepared from conjugated diene polymer chains, wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end, the isoprene block contains 70 wt% or more isoprene monomer units, and the active ends of at least part of the conjugated diene polymer chains are modified with a compound having a >C=O group as a functional group. This provides (i) a tire that has an excellent strength, excellent low-heat buildup property, and excellent wet grip property and (ii) a rubber composition and a conjugated diene rubber that are suitably used to produce the tire.
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language eng ; fre ; ger
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DEVICES OR ARRANGEMENTS RELATED TO TYRES
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
title CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, RUBBER CROSSLINKED PRODUCT, AND TIRE
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