POLYMER COMPOSITION, METHOD FOR PRODUCING SAME, FORMULATION, CROSSLINKED PRODUCT, AND TIRE

Provided is a polymer composition containing (A) a modified conjugated diene-based polymer which includes a monomer unit derived from a conjugated diene compound and has a molecular weight distribution Mw/Mn of 1.50 to 3.00 and in which some or all of the molecules are modified, the molecular weight...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Junjie, KUWABARA, Rikimaru, OOKUBO, Akihiko, YAMAMOTO, Tetsuya
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:	Provided is a polymer composition containing (A) a modified conjugated diene-based polymer which includes a monomer unit derived from a conjugated diene compound and has a molecular weight distribution Mw/Mn of 1.50 to 3.00 and in which some or all of the molecules are modified, the molecular weight distribution being represented by a ratio of polystyrene-equivalent weight-average molecular weight Mw to number-average molecular weight Mn measured by gel permeation chromatography, and (B) a surfactant having HLB of 9.0 or less and having an oxypropylene group, the polymer composition further containing (C) an extender oil as an optional component, in which a total amount of the modified conjugated diene-based polymer (A), the surfactant (B) and the extender oil (C) is 95 mass % or more based on the entire composition.