Polybutadiene

Provided is a polybutadiene that has improved processability and improved wear resistance. The polybutadiene satisfies the following requirements: (A) having a Mooney viscosity (ML1+4, 100 DEG C) of 43 or greater; (B) showing a ratio (Tcp/ML1+4, 100 DEG C) of 5 wt% toluene solution viscosity (Tcp) t...

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Hauptverfasser:	KANOU, YUUTO, SHODA, TAKESHI, AMBE, MITSUHARU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	KANOU, YUUTO SHODA, TAKESHI AMBE, MITSUHARU
description	Provided is a polybutadiene that has improved processability and improved wear resistance. The polybutadiene satisfies the following requirements: (A) having a Mooney viscosity (ML1+4, 100 DEG C) of 43 or greater; (B) showing a ratio (Tcp/ML1+4, 100 DEG C) of 5 wt% toluene solution viscosity (Tcp) to Mooney viscosity (ML1+4, 100 DEG C) of 0.9-2.3; (C) having a stress relaxation time (T80) of 10.0-40.0 seconds, said T80 being defined as, by referring the torque at the termination of the (ML1+4, 100 DEG C) measurement to 100%, the time required for the torque to decrease to 80%; and (D) showing a molecular weight distribution (Mw/Mn) of 2.50-4.00.
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language	chi ; eng
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subjects	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	Polybutadiene
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