Poly-capro-lactone/poly-lactic acid/cellulose nano crystal three-component nanocomposites: Manufacturing, mechanical, dynamic-mechanical and morphological investigation

Document Type : Research Paper

Authors

1 Ph.D. Student of wood composite products, Zabol university, Zabol, Iran

2 Associate professor, Department of Wood and Paper Science and Technology, Faculty of Natural Resources, University of Zabol, Zabol, Iran

3 University of Tehran

4 Professor, Department of Chemical, Amirkabir University, Tehran, Iran.

5 Assistant Professor., Department of wood and paper sciences and technology, University of Zabol, Zabol, Iran.

Abstract

The aim of this study was to investigate the mechanical, dynamic-mechanical and morphological properties of poly-capro-lactone/poly-lactic acid/cellulose nano crystal three-component nanocomposites. For this purpose, the nanocomposites were manufactured using casting solution method. Then, mechanical tests including tensile strength, tensile modulus and elongation at break and dynamic-mechanical test including storage modulus, loss modulus and loss factor were performed on nanocomposites. Field emission scanning electron microscopy was used to study the morphology of the nanocomposites and infrared spectroscopy was used to investigate possible reactions. The result showed that with increasing cellulose nano crystal and poly-lactic acid, the mechanical and dynamic-mechanical properties were improved. Field emission scanning electron microscopy confirmed the presence of nanoparticles in the nanocomposites and the results of infrared spectroscopy confirmed the hydrogen reaction between the hydroxyl groups of cellulose nano crystal with the carbonyl groups of poly-capro-lactone and poly-lactic acid, as well as the hydroxyl groups and carbonyl groups of both polymers with each other.

Keywords

References

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Iranian Journal of Wood and Paper Industries
Volume 12, Issue 2
September 2021
Pages 217-234

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