Provided is, for example, a thermoplastic elastomer composition having excellent heat aging resistance when exposed to a high-temperature environment for a long period of time, also excellent hardness and mechanical properties as well as excellent extrusion processability.A thermoplastic elastomer composition (I) including a cross-linked product of an ethylene/α-olefin/nonconjugated polyene copolymer (A) having a weight-average molecular weight of 350,000 or more, with a phenolic resin-based cross-linking agent (E), and including 360 to 460 parts by mass of a crystalline polyolefin (B), 2 to 6 parts by mass of a fatty acid-based lubricant (D), and 80 parts by mass or more of a softener (C1), relative to 100 parts by mass of the copolymer (A), in which the thermoplastic elastomer composition (I) has a 1/2 crystallization time at 120°C of 200 seconds or less, and a polyolefin component included in the thermoplastic elastomer composition (I) has a maximum spherulite size in a range of 8 µm or less.


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    Titel :

    THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED BODY OF SAME


    Weitere Titelangaben:

    THERMOPLASTISCHE ELASTOMERZUSAMMENSETZUNG UND FORMKÖRPER DARAUS
    COMPOSITION ÉLASTOMÈRE THERMOPLASTIQUE ET CORPS MOULÉ DE LADITE COMPOSITION


    Beteiligte:
    SHIBATA YASUHIRO (Autor:in) / CHIGAMA KAKERU (Autor:in) / YAMAMOTO AKIHIRO (Autor:in)

    Erscheinungsdatum :

    23.07.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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