Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites
Thermal kinetics of montmorillonite nanoclay (MMT)/maleic anhydride-modified polypropylene (MAH-PP) composites (PPCNs) is reported here in terms of thermal stability, decomposition, and crystallization kinetics. The effects of MMT nanoclay on the thermal stability of PP in MMT/MAH-PP composites have...
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
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2013
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| Online Access: | https://hdl.handle.net/10356/99228 http://hdl.handle.net/10220/17177 |
| _version_ | 1826114799843409920 |
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| author | Cheng, Henry Kuo Feng Sahoo, Nanda Gopal Lu, Xuehong Li, Lin |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Cheng, Henry Kuo Feng Sahoo, Nanda Gopal Lu, Xuehong Li, Lin |
| author_sort | Cheng, Henry Kuo Feng |
| collection | NTU |
| description | Thermal kinetics of montmorillonite nanoclay (MMT)/maleic anhydride-modified polypropylene (MAH-PP) composites (PPCNs) is reported here in terms of thermal stability, decomposition, and crystallization kinetics. The effects of MMT nanoclay on the thermal stability of PP in MMT/MAH-PP composites have been examined at different heating rates by means of thermogravimetric (TG) analysis. Based on the TG results, the Ozawa method was applied to determine the activation energies of decomposition for MMT/MAH-PP composites and the results were then verified by the Kissinger method. It was found that the thermal stability of PP was significantly improved in the presence of MMT nanoclay. Differential scanning calorimetry (DSC) was used to study the melting and crystallization behaviors of MMT/MAH-PP composites under various thermal conditions. Using the data from DSC, the Kissinger method was applied to estimate the activation energies of PPCNs which were required during their non-isothermal crystallization. The activation energies of crystallization showed that MMT nanoclay served as a nucleating agent in the non-isothermal crystallization of PP in the PPCNs and as a result, the crystallinity of PP was greatly enhanced. Therefore, the presence of MMT nanoclay in MMT/MAH-PP composites effectively modified the thermal kinetics of PP. |
| first_indexed | 2024-10-01T03:45:04Z |
| format | Journal Article |
| id | ntu-10356/99228 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:45:04Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/992282020-06-01T10:26:41Z Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites Cheng, Henry Kuo Feng Sahoo, Nanda Gopal Lu, Xuehong Li, Lin School of Materials Science & Engineering School of Mechanical and Aerospace Engineering DRNTU::Engineering::Materials::Testing of materials Thermal kinetics of montmorillonite nanoclay (MMT)/maleic anhydride-modified polypropylene (MAH-PP) composites (PPCNs) is reported here in terms of thermal stability, decomposition, and crystallization kinetics. The effects of MMT nanoclay on the thermal stability of PP in MMT/MAH-PP composites have been examined at different heating rates by means of thermogravimetric (TG) analysis. Based on the TG results, the Ozawa method was applied to determine the activation energies of decomposition for MMT/MAH-PP composites and the results were then verified by the Kissinger method. It was found that the thermal stability of PP was significantly improved in the presence of MMT nanoclay. Differential scanning calorimetry (DSC) was used to study the melting and crystallization behaviors of MMT/MAH-PP composites under various thermal conditions. Using the data from DSC, the Kissinger method was applied to estimate the activation energies of PPCNs which were required during their non-isothermal crystallization. The activation energies of crystallization showed that MMT nanoclay served as a nucleating agent in the non-isothermal crystallization of PP in the PPCNs and as a result, the crystallinity of PP was greatly enhanced. Therefore, the presence of MMT nanoclay in MMT/MAH-PP composites effectively modified the thermal kinetics of PP. 2013-10-31T08:48:16Z 2019-12-06T20:04:52Z 2013-10-31T08:48:16Z 2019-12-06T20:04:52Z 2011 2011 Journal Article Cheng, H. K. F., Sahoo, N. G., Lu, X., & Li, L. (2011). Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites. Journal of Thermal Analysis and Calorimetry, 109(1), 17-25. 1388-6150 https://hdl.handle.net/10356/99228 http://hdl.handle.net/10220/17177 10.1007/s10973-011-1498-5 en Journal of thermal analysis and calorimetry |
| spellingShingle | DRNTU::Engineering::Materials::Testing of materials Cheng, Henry Kuo Feng Sahoo, Nanda Gopal Lu, Xuehong Li, Lin Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title | Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title_full | Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title_fullStr | Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title_full_unstemmed | Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title_short | Thermal kinetics of montmorillonite nanoclay/maleic anhydride-modified polypropylene nanocomposites |
| title_sort | thermal kinetics of montmorillonite nanoclay maleic anhydride modified polypropylene nanocomposites |
| topic | DRNTU::Engineering::Materials::Testing of materials |
| url | https://hdl.handle.net/10356/99228 http://hdl.handle.net/10220/17177 |
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