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Drvna industrija, Vol. 69 No. 2, 2018.

Original scientific paper

https://doi.org/10.5552/drind.2018.1735

Assessment of Mechanical and Morphological Properties of New Poly Lactic Acid (PLA) / Wood Fibers / Nanographene Composite

Mojtaba Asadi ; Department of Wood and Paper Science and Technology, College of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
Behzad Bazyar orcid id orcid.org/0000-0003-0498-6324 ; Department of Wood and Paper Science and Technology, College of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
Amir Hooman Hemmasi ; Department of Wood and Paper Science and Technology, College of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
Ismail Ghsemi ; Department of Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
Mohammad Talaeipoor ; Department of Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran

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Abstract

The present study analyzed the effect of nanographene (NG) application at three rates (0.75, 1.5, and 3 %) on the production of PLA85/F15 and PLA70/F30 composites. The incorporation of NG into the PLA/wood fi ber composites significantly improved the tensile and bending properties. The results indicated that composites made from PLA68.5/F30/NG1.5 had the highest tensile and bending properties. Furthermore, it was revealed that the addition of fi bers to PLA decreased the composite impact strength in comparison with pure PLA, whereas the addition of NG improved its impact strength, but not as much as pure PLA. The highest impact strength was observed in the composites containing 15 % fi bers and 1.5 % NG (PLA83.5/F15/NG1.5 composites). The composites made from 30 % wood fiber and 1.5 % (PLA68.5/F30/NG1.5 composites) NG had the best interfacial surface between the wood fiber and the matrix of composites.

Keywords

Polylactic acid; wood fiber; nanographene; mechanical properties

Hrčak ID:

202895

URI

https://hrcak.srce.hr/202895

Publication date:

3.7.2018.

Article data in other languages: croatian

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