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http://dx.doi.org/10.9713/kcer.2011.49.3.342

Effect of Compatibilizers on the Morphological, Mechanical and Rheological Properties of PP/PCL and TPO/PCL Blends  

Lee, Yun-Kyun (Department of Chemical and Biological Engineering, Korea University)
Kim, Min-Soo (Department of Chemical and Biological Engineering, Korea University)
Kim, Woo-Nyon (Department of Chemical and Biological Engineering, Korea University)
Publication Information
Korean Chemical Engineering Research / v.49, no.3, 2011 , pp. 342-347 More about this Journal
Abstract
The effects of compatibilizers on the mechanical and rheological properties of PP/PCL and TPO/PCL blends have been studied. The thermoplastic polyolefin (TPO) consists of PP (80 wt%), EPDM (15 wt%) and Talc (5 wt%). Maleic anhydride grafted polypropylene (PP-g-MAH) and maleic anhydride grafted styrene-(ethylene-co-butene)-styrene copolymer (SEBS-g-MAH) were used as compatibilizers. In mechanical properties of PP/PCL and TPO/PCL blends, tensile strength was increased when PP-g-MAH was used as a compatibilizer, and impact strength was increased when SEBS-g-MAH was used as a compatibilizer. From the results of SEM morphology of PP/PCL blend, PCL droplet size was decreased by the addition of PP-g-MAH. From the results of rheological property, complex viscosity of the PP/PCL and TPO/PCL blends did not change appreciably when the compatibilizers were added. From the results of mechanical, morphological and rheological properties of the blends, PP-g-MAH acted as a compatibilizer to increase the tensile strength of the PP/PCL and TPO/PCL blends. While SEBS-g-MAH acted as a impact modifier to increase the impact strength of the PP/PCL and TPO/PCL blends.
Keywords
Polymer Blends; Compatibilizer; Mechanical Property; Rheological Property;
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Times Cited By KSCI : 2  (Citation Analysis)
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