Poly(lactic acid) based polymer composites for biomedicine

Abstract

Main properties of biodegradable polymer composites on the base of poly(lactic acid) (PLA) filled with hydroxyapatite (HA) were studied by different methods such as dielectric spectroscopy in frequency domain, optical microscopy, wide-angle X-ray diffraction and tensile tests. All composites were fabricated by melt compounding. It has been found that values of real part of the complex permittivity of PLA-HA composites are increased by 15-30% compared to that for neat PLA, while loss factor tanG does not exceed 0.02. The degree of crystallinity of PLA-HA composites is increased by 3.2 and 6.15 times with filling by HA from 25 to 50 wt % respectively compared to that for neat PLA. All studied mechanical parameters, except for Young's modulus, tend to decrease with increasing filler content due to an increase in the stiffness of composites.

Original language	English
Title of host publication	Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology
Editors	Victor E. Panin, Vasily M. Fomin
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735440463
DOIs	https://doi.org/10.1063/5.0034060
Publication status	Published - 14 Dec 2020
Event	International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology 2020 - Tomsk, Russian Federation Duration: 5 Oct 2020 → 9 Oct 2020

Publication series

Name	AIP Conference Proceedings
Volume	2310
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology 2020
Country	Russian Federation
City	Tomsk
Period	5.10.20 → 9.10.20

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/5.0034060

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Cite this

Lebedev, S. M., Khlusov, I. A., & Chistokhin, D. M. (2020). Poly(lactic acid) based polymer composites for biomedicine. In V. E. Panin, & V. M. Fomin (Eds.), Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology [020180] (AIP Conference Proceedings; Vol. 2310). American Institute of Physics Inc.. https://doi.org/10.1063/5.0034060

Poly(lactic acid) based polymer composites for biomedicine. / Lebedev, Sergey M.; Khlusov, Igor A.; Chistokhin, Dmitry M.

Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology. ed. / Victor E. Panin; Vasily M. Fomin. American Institute of Physics Inc., 2020. 020180 (AIP Conference Proceedings; Vol. 2310).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lebedev, SM , Khlusov, IA & Chistokhin, DM 2020, Poly(lactic acid) based polymer composites for biomedicine. in VE Panin & VM Fomin (eds), Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology., 020180, AIP Conference Proceedings, vol. 2310, American Institute of Physics Inc., International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology 2020, Tomsk, Russian Federation, 5.10.20. https://doi.org/10.1063/5.0034060

Lebedev SM , Khlusov IA, Chistokhin DM. Poly(lactic acid) based polymer composites for biomedicine. In Panin VE, Fomin VM, editors, Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology. American Institute of Physics Inc. 2020. 020180. (AIP Conference Proceedings). https://doi.org/10.1063/5.0034060

Lebedev, Sergey M. ; Khlusov, Igor A. ; Chistokhin, Dmitry M. / Poly(lactic acid) based polymer composites for biomedicine. Proceedings of the International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology. editor / Victor E. Panin ; Vasily M. Fomin. American Institute of Physics Inc., 2020. (AIP Conference Proceedings).

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abstract = "Main properties of biodegradable polymer composites on the base of poly(lactic acid) (PLA) filled with hydroxyapatite (HA) were studied by different methods such as dielectric spectroscopy in frequency domain, optical microscopy, wide-angle X-ray diffraction and tensile tests. All composites were fabricated by melt compounding. It has been found that values of real part of the complex permittivity of PLA-HA composites are increased by 15-30% compared to that for neat PLA, while loss factor tanG does not exceed 0.02. The degree of crystallinity of PLA-HA composites is increased by 3.2 and 6.15 times with filling by HA from 25 to 50 wt % respectively compared to that for neat PLA. All studied mechanical parameters, except for Young's modulus, tend to decrease with increasing filler content due to an increase in the stiffness of composites.",

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