Abstract：
:Surface acylation of microcrystalline cellulose (MCC) was performed using rice bran oil (RBO). The resultant acylated MCC (RAMCC) exhibited reduced polarity as compared with MCC. Attenuated Total Reflection (ATR)- Fourier transform infrared (FTIR) spectroscopy confirmed hydrophobic MCC modification. RAMCC and MCC were incorporated into PLA matrix and their influence on morphological, mechanical, thermal and barrier properties of the PLA based biocomposite were analyzed. PLA/RAMCC biocomposite (with 2 wt% loading) exhibited lower water sorption compared to PLA film and PLA/MCC. X-ray Diffraction (XRD) analysis result showed an increase in crystallinity of PLA/RAMCC and reduction in water vapour permeability as compared to PLA film and PLA/MCC composite. PLA/RAMCC exhibited the best mechanical, thermal and UV barrier properties. The fractured surfaces of the composites showed an even distribution of RAMCC throughout PLA matrix. Biodegradability of samples was characterized using soil buried method. The cytotoxicity of the developed PLA-based films was evaluated on human dermal fibroblast (HDF) monolayer culture by the MTT method and it has shown that the films were non-cytotoxic thus indicating their biocompatibility and non-toxicity. These biodegradable composite films can be a sustainable utilization of RBO and MCC in the packaging application.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Kale RD,Gorade VG,Madye N,Chaudhary B,Bangde PS,Dandekar PPdoi
10.1016/j.ijbiomac.2018.06.076subject
Has Abstractpub_date
2018-10-15 00:00:00pages
1090-1102issue
Pt Aeissn
0141-8130issn
1879-0003pii
S0141-8130(18)31121-8journal_volume
118pub_type
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