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Hybrid organic-inorganic POSS (polyhedral oligomeric silsesquioxane)/polypropylene nanocomposite filaments |
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| Authors: | B S Butola Mangala Joshi Sachin Kumar |
| Institution: | (1) Department of Physics and Materials Science, Faculty of Science, NANOTEC Center of Excellence, Chiang Mai University, Chiang Mai, 50202, Thailand;(2) Department of Industrial Chemistry, Faculty of Science, NANOTEC Center of Excellence, Chiang Mai University, Chiang Mai, 50202, Thailand; |
| Abstract: | Octamethyl-POSS and Octaphenyl-POSS reinforced polypropylene nanocomposite monofilaments were prepared by melt blending route. It was observed that incorporation of Octamethyl-POSS and Octaphenyl-POSS in polypropylene show improvement in mechanical as well as thermal properties. Octaphenyl POSS/PP nanocomposites show significant increase in thermal stability even at very low concentration as compared to neat polymer matrix. An increase of 100 and 140 °C was observed in thermal degradation temperature at 5 wt% loss and maximum degradation over neat PP filaments respectively at low OP-POSS loadings (<5 wt%). Both Octamethyl-POSS and Octaphenyl-POSS act as lubricating agents facilitating drawing which results in improvement in orientation as well as mechanical properties. |
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