METHOD FOR PRODUCING CONJUGATED DIENE POLYMER

METHOD FOR PRODUCING CONJUGATED DIENE POLYMER

PROBLEM TO BE SOLVED: To provide a method for producing a conjugated diene polymer with a very high 1,4-cis structure content using a highly active yttrium compound-containing catalyst relatively easy in handling.SOLUTION: In a method for producing a conjugated diene polymer containing 99% or more o...

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Hauptverfasser: SUZUKI MICHINORI, SHIBA KOJI, MURAKAMI MASATO
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Sprache:eng
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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 SUZUKI MICHINORI
SHIBA KOJI
MURAKAMI MASATO
description PROBLEM TO BE SOLVED: To provide a method for producing a conjugated diene polymer with a very high 1,4-cis structure content using a highly active yttrium compound-containing catalyst relatively easy in handling.SOLUTION: In a method for producing a conjugated diene polymer containing 99% or more of a cis-1,4 structure, a conjugated diene is polymerized in the presence of a catalyst obtained from (A) a specific yttrium compound, (B) an ionic compound comprising a noncoordinating anion and a cation, and (C) an organic aluminum compound.
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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 METHOD FOR PRODUCING CONJUGATED DIENE POLYMER
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