Kim, Nam Hoon and Kuila, Tapas and Lee, Joong Hee (2014) Enhanced mechanical properties of a multiwall carbon nanotube attached pre-stitched graphene oxide filled linear low density polyethylene composite. Journal of Materials Chemistry A, 2. pp. 2681-2689.

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A synergetic effect of multiwall carbon nanotube (MWCNT) attached pre-stitched graphene oxide (GO) on the mechanical properties of its linear low density polyethylene (LLDPE) composite was demonstrated. The reduction, functionalization and stitching of GO occurred simultaneously with the amine (–NH2) functionalities of ethylenediamine through nucleophilic addition and condensation reaction. The structural features of MWCNT attached pre-stitched GO with ethylenediamine (EtGO) (EtGO–MWCNT) hybrids were confirmed by X-ray diffraction, Fourier transform infrared and Raman spectroscopy. The EtGO–MWCNT hybrid filled LLDPE composite was prepared by solution mixing. The tensile strength of the EtGO–MWCNT/LLDPE composite with 1 wt% loading was enhanced by 148.7% compared to that of the neat LLDPE, which is much higher than those of O MWCNTs, GO and EtGO filled composites. The enhanced properties of the EtGO–MWCNT/LLDPE composites were attributed to the homogeneous dispersion and the enhanced interfacial interaction with the matrix due to the multi-dimensional structure of EtGO–MWCNT. The EtGO–MWCNT/LLDPE composite also showed better dimensional stability than those of O-MWCNTs, GO, and EtGO filled composites

Item Type: Article
Subjects: Materials
Depositing User: Dr. Sarita Ghosh
Date Deposited: 21 Mar 2016 12:04
Last Modified: 21 Mar 2016 12:36

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