Journal
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS
Volume 28, Issue 1, Pages 143-152Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00542-019-04497-x
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Funding
- Matsumae International Foundation (MIF)-Japan
- JSPS KAKENHI [JP17H01224, JP18H05471]
- JST COI [JPMJCE1314]
- JST -OPERA Program [JPMJOP1844, JPMJOP1614]
- Cabinet Office (CAO), Cross-ministerial Strategic Innovation Promotion Program (SIP), An intelligent knowledge processing infrastructure, integrating physical and virtual domains'' (funding agency: NEDO)
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This study prepared new biobased polycaprolactone (PCL) nanocomposite materials using cellulose-zinc oxide (NCC-ZnO) as an organic-inorganic nanofiller. The results showed that the incorporation of nanofiller significantly improved the mechanical properties and thermal stability of PCL.
New biobased polycaprolactone (PCL) nanocomposite materials were prepared using cellulose-zinc oxide (NCC-ZnO) as an organic-inorganic nanofiller which was prepared by loading zinc oxide (ZnO) onto the surface of nanocrystalline cellulose (NCC). Various loadings (2-8 wt%) of nanofiller were added onto the PCL matrix to prepare PCL/NCC-ZnO nanocomposite films using the solvent cast method. The nanofiller and nanocomposite films were characterised by AFM, TEM, FTIR, FE-SEM, XRD, DSC, TGA and tensile strength. The results of AFM, TEM and FTIR analysis confirmed the interaction between NCC and ZnO nanoparticles and between nanofiller (NCC-ZnO) and PCL. The mechanical properties of the PCL polymer significantly improved due to incorporation of the nanofiller, especially, when increasing the amount of nanofiller beyond 4 wt%. FE-SEM analysis showed homogenous dispersion of nanofiller within the PCL matrix, and illustrated a rough porous surface. Both TGA and DSC results indicated that the thermal stability of PCL increased due to the incorporation of nanofillers.
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