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Feven Mattews Michael Mohammad Khalid Gunasunderi Raju Chantara Thevy Ratnam Rashmi Walvekar Nabisab Mujawar Mubarak 《Molecules (Basel, Switzerland)》2021,26(19)
We studied the reinforcing effects of treated and untreated nanohydroxyapatite (NHA) on poly-lactic acid (PLA). The NHA surface was treated with three different types of chemicals; 3-aminopropyl triethoxysilane (APTES), sodium n-dodecyl sulfate (SDS) and polyethylenimine (PEI). The nanocomposite samples were prepared using melt mixing techniques by blending 5 wt% untreated NHA and 5 wt% surface-treated NHA (mNHA). Based on the FESEM images, the interfacial adhesion between the mNHA filler and PLA matrix was improved upon surface treatment in the order of mNHA (APTES) > mNHA (SDS) > mNHA (PEI). As a result, the PLA-5wt%mNHA (APTES) nanocomposite showed increased viscoelastic properties such as storage modulus, damping parameter, and creep permanent deformation compared to pure PLA. Similarly, PLA-5wt%mNHA (APTES) thermal properties improved, attaining higher Tc and Tm than pure PLA, reflecting the enhanced nucleating effect of the mNHA (APTES) filler. 相似文献
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Walvekar Rashmi Zairin Danial Aminin Khalid Mohammad Mubarak Nabisab Mujawar TCSM Gupta 《Journal of Thermal Analysis and Calorimetry》2022,147(13):7193-7201
Journal of Thermal Analysis and Calorimetry - This study aims to investigate the thermal conductivity, viscosity and thermal degradation of naphthenic-based mineral oil, palm oil methyl ester... 相似文献
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Vaka Mahesh Walvekar Rashmi Khalid Mohammad Jagadish Priyanka 《Journal of Thermal Analysis and Calorimetry》2020,140(6):2657-2666
Journal of Thermal Analysis and Calorimetry - One of the main problems in thermoelectric material research is degradation of thermoelectric materials caused by oxidation at elevated temperatures in... 相似文献
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