Polypropylene (PP) has been blended with polycarbonate (PC) in an attempt to improve processability and chemical resistance. Blends of PC-PP of various compositions were prepared in a twin screw extruder using various temperatures. The processability of PC-PP blends, studied by maximum torque in a Brabender Plasticorder and melt flow index, indicated that the processability of PC was improved by blending. The compatibility of PC-PP blend was studied using differential scanning calorimetry and dynamic mechanical analysis; it was observed that PC-PP blends were immiscible in all compositions. Chemical and solvent aging studies of the blends showed significant retention of mechanical properties (tensile strength) indicating that 90:10 PC-PP blends behave similarly to engineering thermoplastics.


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    Title :

    Processability, compatibility, and effects of solvent aging on mechanical properties of polycarbonate-polypropylene blends


    Additional title:

    Verarbeitbarkeit, Verträglichkeit und Lösemittelwirkung auf mechanische Eigenschaften von Polycarbonat-Polypropylen-Blends


    Contributors:
    Manna, A.K. (author) / De, P.P. (author) / Pendyala, V.N.S. (author) / Xavier, S.F. (author)


    Publication date :

    1997


    Size :

    5 Seiten, 9 Bilder, 3 Tabellen, 8 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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