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Title: Iron oxide/cassava starch-supported Ziegler-Natta catalysts for in situ ethylene polymerization
Authors: Sittikorn Chancharoenrith
Choavarit Kamonsatikul
Montree Namkajorn
Supavadee Kiatisevi
Ekasith Somsook
Mahidol University
Keywords: Chemistry;Materials Science;Medicine
Issue Date: 6-Mar-2015
Citation: Carbohydrate Polymers. Vol.117, (2015), 319-323
Abstract: © 2014 Elsevier Ltd. All rights reserved. Iron oxide nanoparticles were used as supporters for in situ polymerization to produce polymer nanocom-posites with well-dispersed fillers in polymer matrix. Iron oxide could be sustained as colloidal solutions by cassava starch to produce a good dispersion of iron oxide in the matrix. New supports based on iron oxide/cassava starch or cassava starch for ZieglerNatta catalysts were utilized as heterogeneous supporters for partially hydrolyzed triethylaluminum. Then, TiCl4 was immobilized on the supports as catalysts for polymerization of ethylene. High-density polyethylene (HDPE) composites were obtained by the synthesized catalysts. A good dispersion of iron oxide/cassava starch particles was observed in the synthesized polymer matrix promoting to good mechanical properties of HDPE.
ISSN: 01448617
Appears in Collections:Scopus 2011-2015

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