A modified liquid diene rubber (A) has a functional group (a) derived from an acid anhydride, and satisfies all the requirements (I) to (III) below: (I) The functional group equivalent weight of the functional groups (a) is in the range of 400 to 3,500 g/eq. (II) The polystyrene-equivalent number average molecular weight (Mn) measured by gel permeation chromatography (GPC) is in the range of 5,000 to 20,000. (III) The melt viscosity at 38° C. is not less than 3 Pa·s and X (K) is not less than 6100 K wherein X is the slope of a linear line passing through two points in a graph in which the two points are values of melt viscosity η (Pa·s) at 38° C. and 60° C. measured with a Brookfield viscometer which are plotted as Ln[η/(Pa·s)] on ordinate versus 1/T (K−1) on abscissa (with the proviso that T is temperature (K)).


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    Titel :

    Modified liquid diene rubbers


    Beteiligte:
    MOTODA SATOSHI (Autor:in) / KANEKO SHUHEI (Autor:in) / NOZASA YU (Autor:in) / UEHARA YOSUKE (Autor:in) / KASHIOKA MASAHIRO (Autor:in) / UENO YOSHIKAZU (Autor:in)

    Erscheinungsdatum :

    2023-10-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR



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