NDLI: Conductive composites of tapioca based bioplastic and electrochemical-mechanical liquid exfoliation (emle) graphene

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Conductive composites of tapioca based bioplastic and electrochemical-mechanical liquid exfoliation (emle) graphene

Content Provider	Semantic Scholar
Author	Amri, Amun ' Rahmana, Heri Utami, Sartika Putri Iriyanti, Reni Jiang, Zhong-Tao Rahman, Mahbubur
Copyright Year	2018
Abstract	The conductive composites of tapioca based bioplastic and the electrochemical- mechanical liquid exfoliation (EMLE) graphene have been successfully synthesized via the solution intercalation method for conductive bioplastic applications. The synthesized EMLE graphene quality, the mechanical properties, the functional group interactions and the conductivity of bioplastic composites, respectively, were analyzed using Raman spectroscopy, Universal Testing Machine (UTM) via ASTM D882-92, Fourier Transform Infrared (FTIR) spectroscopy, Multitester via Four Probe Method. Raman spectroscopy analyses revealed that the graphene used is multi layer graphene (~ 3-10 layer) with deffects and minor impurity of graphene oxide (EMLE graphene). The tensile strength and the Young's modulus increased with the increasing of the EMLE graphene content in the composites, while the elongation decreased. The bioplastic synthesized using the 9% EMLE graphene content and the mixing time of 50 minutes exhibited the best mechanical properties with the tensile strength of 4.116 Mpa, the Young's modulus of 75.476 Mpa, and the elongation of 5.453%. The FTIR spectra indicated that there was a good interactions of EMLE graphene in the bioplastic matrix due to the hydrophylic properties and the secondary bonds between the EMLE graphene and the starch and glycerol plasticizer. The higher amount of graphene added, the higher conductivity of bioplastic would be, and vice versa for the resistivity. The best electrical properties of 1.57 x10−1/ohm.cm (conductivity) and 6.34 ohm.cm (resistivity) was reached by the bioplastic synthesized with addition of 9% EMLE graphene and 50 minutes stirring time. EMLE Graphene is the promissing filler for further development of Tapioca based conductive bioplastics.
Starting Page	012026
Ending Page	012026
Page Count	1
File Format	PDF HTM / HTML
Volume Number	345
Alternate Webpage(s)	http://researchrepository.murdoch.edu.au/id/eprint/40922/1/tapioca.pdf
Alternate Webpage(s)	https://doi.org/10.1088/1757-899X%2F345%2F1%2F012026
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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