Publication: Thermal decomposition behavior and mechanical properties of elastomeric composites based on polyolefinic thermoplastic elastomer and organomontmorillonite
Issued Date
2012-01-18
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ISSN
10229760
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2-s2.0-84855805923
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Polymer Research. Vol.19, No.1 (2012)
Suggested Citation
Sunan Saikrasun, Taweechai Amornsakchai Thermal decomposition behavior and mechanical properties of elastomeric composites based on polyolefinic thermoplastic elastomer and organomontmorillonite. Journal of Polymer Research. Vol.19, No.1 (2012). doi:10.1007/s10965-011-9750-z Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/13989
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Title
Thermal decomposition behavior and mechanical properties of elastomeric composites based on polyolefinic thermoplastic elastomer and organomontmorillonite
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Abstract
The elastomeric composites based on organomontmorillonite (OMMT) and Santoprene thermoplastic elastomer were prepared by melt processing. Maleic anhydride grafted polypropylene (PP-g-MA) was used as a compatibilizer for the composite system. By adding optimum content of PP-g-MA, the fracture surface of the composites observed by SEM was smoothened as a result from compatibilizing effect. From XRD results, the measured d-spacing data proved a good dispersion of nanoclay along with compatibilizer. Thermal decomposition behavior of the neat components and its composites obtained from simultaneous TG and DSC profiles indicated that the incorporation of OMMT into the matrix polymer improved the thermal stability in air but not in nitrogen. No significant change in thermal stability of the composites with addition of PP-g-MA. The incorporation of clay significantly enhanced in dynamic mechanical and tensile properties of the composites. The dynamic storage modulus, tensile modulus and yield stress of the composites with the presence of PP-g-MA were remarkably improved. © 2011 Springer Science+Business Media B.V.