Hydrogenated Block Copolymer

Hydrogenated Block Copolymer

The present invention provides a hydrogenated block copolymer that is a hydrogenated product of a copolymer containing a vinyl aromatic compound monomer unit and a conjugated diene monomer unit, and that satisfies the following conditions (1) to (3):(1) at least one of specific polymer blocks (b) an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Tsuji, Takahiro, Sonoda, Yuya, Nitta, Katsunori, Hisatomi, Tatsuya
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
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Beschreibung
Zusammenfassung:The present invention provides a hydrogenated block copolymer that is a hydrogenated product of a copolymer containing a vinyl aromatic compound monomer unit and a conjugated diene monomer unit, and that satisfies the following conditions (1) to (3):(1) at least one of specific polymer blocks (b) and (c) is contained;(2) elongation at break measured in accordance with JIS K 6251 is 1000% or more; and(3) the hydrogenated block copolymer has at least one peak of tan δ in a viscoelasticity measurement chart at −25° C. or more and 80° C. or less.