PROCESS FOR PRODUCING POLYBUTADIENE

A high cis-1,4-polybutadiene is produced, with a reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C1-10) aluminum compound, (C) a halide compound selected from those of the formulae (1) and (2): AlR2m X3-m(1), R3-X(2), wherein R2 = C1-10 hydrocarbon, X = hal...

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Main Authors YANO, TAKEFUMI, KOTANI, CHIKARA, TSUJIMOTO, NOBUHIRO, TSUKAHARA, KEI, AKIKAWA, KAZUHIRO
Format Patent
LanguageEnglish
French
Published 12.09.2006
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
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Abstract A high cis-1,4-polybutadiene is produced, with a reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C1-10) aluminum compound, (C) a halide compound selected from those of the formulae (1) and (2): AlR2m X3-m(1), R3-X(2), wherein R2 = C1-10 hydrocarbon, X = halogen, m = 0 to 2, R3 = C1-40 hydrocarbon, and (D) water in an amount of 0.77 to 1.45 moles per mole of total A1 in the component (B) and (C); and polymerizing 1,3-butadiene in the presence of the resultant catalyst in a polymerization medium including an alkane, cycloalkane and/or olefin hydrocarbon.
AbstractList A high cis-1,4-polybutadiene is produced, with a reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C1-10) aluminum compound, (C) a halide compound selected from those of the formulae (1) and (2): AlR2m X3-m(1), R3-X(2), wherein R2 = C1-10 hydrocarbon, X = halogen, m = 0 to 2, R3 = C1-40 hydrocarbon, and (D) water in an amount of 0.77 to 1.45 moles per mole of total A1 in the component (B) and (C); and polymerizing 1,3-butadiene in the presence of the resultant catalyst in a polymerization medium including an alkane, cycloalkane and/or olefin hydrocarbon.
Author TSUKAHARA, KEI
TSUJIMOTO, NOBUHIRO
KOTANI, CHIKARA
YANO, TAKEFUMI
AKIKAWA, KAZUHIRO
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– fullname: TSUKAHARA, KEI
– fullname: AKIKAWA, KAZUHIRO
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DocumentTitleAlternate PROCEDE POUR L'OBTENTION DU POLYBUTADIENE
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Snippet A high cis-1,4-polybutadiene is produced, with a reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C1-10) aluminum...
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SubjectTerms 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 PROCESS FOR PRODUCING POLYBUTADIENE
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