Melt rheological properties of blends of polypropylene (PP) and PP grafted with maleic anhydride (PP‐g‐MA) are studied using a capillary rheometer. A pseudoplastic flow behavior is observed. The pseudoplasticity of the melt reduces with an increase of PP‐g‐MA content and/or temperature. The PP‐g‐MA component in the blend acts as decreasing melt viscosity, especially in the lower shear rate region, while the addition of PP‐g‐MA to PP does not cause obvious increase of die swell ratio.
|Journal||Journal of Applied Polymer Science|
|Publication status||Published - 1999|
|MoE publication type||A1 Journal article-refereed|
Shucai, L., Järvelä, P., & Järvelä, P. (1999). Melt rheological properties of polypropylene-maleated polypropylene blends: I. Steady flow by capillary. Journal of Applied Polymer Science, 71(10), 1641-1648. https://doi.org/10.1002/(SICI)1097-4628(19990307)71:10<1641::AID-APP11>3.0.CO;2-A