Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Effects of PP-g-MAH on the Mechanical, Morphological and Rheological Properties of Polypropylene and Poly(Acrylonitrile-Butadiene-Styrene) Blends

  • Lee, Hyung-Gon (Department of Chemical and Biological Engineering, Korea University) ;
  • Sung, Yu-Taek (Department of Chemical and Biological Engineering, Korea University) ;
  • Lee, Yun-Kyun (Department of Chemical and Biological Engineering, Korea University) ;
  • Kim, Woo-Nyon (Department of Chemical and Biological Engineering, Korea University) ;
  • Yoon, Ho-Gyu (Department of Materials Science and Engineering, Korea University) ;
  • Lee, Heon-Sang (Department of Chemical Engineering, Dong-A University)
  • Published : 2009.06.25
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Abstract

The effects of maleic anhydride-grafted polypropylene (PP-g-MAH) addition on polypropylene (PP) and poly(acrylonitrile-butadiene-styrene) (ABS) blends were studied. Blends of PP/ABS (70/30, wt%) with PP-g-MAH were prepared by a twin-screw extruder. From the results of mechanical testing, the impact, tensile and flexural strengths of the blends were maximized at a PP-g-MAH content 3 phr. The increased mechanical strength of the blends with the PP-g-MAH addition was attributed to the compatibilizing effect of the PP and ABS blends. In the morphological studies, the droplet size of ABS was minimized (6.6 ${\mu}m$) at a PP-g-MAH content of 3 phr. From the rheological examination, the complex viscosity was maximized at a PP-g-MAH content of 3 phr. These mechanical, morphological and rheological results indicated that the compatibility of the PP/ABS (70/30) blends is increased with PP-g-MAH addition to an optimum blend at a PP-g-MAH content of 3 phr.

Keywords

References

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