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Effects of compatibilizer on mechanical, morphological, and rheological properties of polypropylene/poly(acrylonitrile-butadiene-styrene) blends

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Abstract

The effects of a compatibilizer on polypropylene (PP)/poly(acrylonitrile-butadiene-styrene) (ABS) blends were studied. Blends of the PP/ABS, with PP-g-SAN copolymer as a compatibilizer, were prepared using a twin screw extruder. The flexural and impact strength of the PP/ABS blends with the PP-g-SAN copolymer increased significantly with PP-rich compositions on the addition of the PP-g-SAN copolymer at 3 phr. The increase in the mechanical properties of the PP/ABS/PP-g-SAN blend may have been due to the toughening effects of the ABS in the PP-rich compositions. In the morphology study of the PP/ABS/PP-g-SAN (80/20) blend with the PP-g-SAN copolymer, the minimum droplet size, 5.1 μm, was observed with the addition of 3 phr of the PP-g-SAN copolymer. The complex viscosity of the PP/ABS/PP-g-SAN (80/20) blends increased with the addition of 3 phr of the PPg-SAN copolymer. From the above mechanical properties, morphology and complex viscosity results for the PP/ ABS blends, it is suggested that the compatibility is more increased with the PP-rich composition (PP:ABS = 80/ 20 wt%) of the PP/ABS blend on the addition of 3 phr of the PP-g-SAN copolymer.

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Authors and Affiliations

  1. Department of Chemical and Biological Engineering, Korea University, 136-713, Seoul, Korea

    Chong K. Kum, Yu-Taek Sung, Yong Su Kim, Hyung Gon Lee & Woo Nyon Kim

  2. Performance Polymer Research and Development Institute, LG Chem., Research Park, Daejeon, Korea

    Heon Sang Lee

  3. Department of Materials Science and Engineering, Korea University, 136-713, Seoul, Korea

    Ho Gyu Yoon

Authors
  1. Chong K. Kum
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  2. Yu-Taek Sung
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  3. Yong Su Kim
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  4. Hyung Gon Lee
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  5. Woo Nyon Kim
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  6. Heon Sang Lee
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  7. Ho Gyu Yoon
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Correspondence to Woo Nyon Kim.

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Kum, C.K., Sung, YT., Kim, Y.S. et al. Effects of compatibilizer on mechanical, morphological, and rheological properties of polypropylene/poly(acrylonitrile-butadiene-styrene) blends. Macromol. Res. 15, 308–314 (2007). https://doi.org/10.1007/BF03218792

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  • DOI: https://doi.org/10.1007/BF03218792

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