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Article

Polymer Composite Materials Based on Polylactide with a Shape Memory Effect for “Self-Fitting” Bone Implants

1
National University of Science and Technology “MISIS”, Leninskiy pr. 4, 119049 Moscow, Russia
2
A.N. Kosygin Russian State University, St. Sadovnycheskaya 33/1, 115035 Moscow, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Dimitrios Bikiaris
Polymers 2021, 13(14), 2367; https://doi.org/10.3390/polym13142367
Received: 11 June 2021 / Revised: 16 July 2021 / Accepted: 17 July 2021 / Published: 19 July 2021
(This article belongs to the Special Issue Polymer Composites and Bioactive Materials for Tissue Engineering)
The development of adaptive medical structures is one of the promising areas of bioengineering. Polymer composite materials based on polylactide (PLA) are interesting not only for their properties, such as biocompatibility, mechanical properties, biodegradation, and convenience of use, but also for demonstrating shape memory effect (SME). In this study, reducing the activation initiation temperature and the SME activation energy was achieved by forming a composite based on PLA containing 10% poly (ε-caprolactone) (PCL). The effect of the plasticizer on the structure, mechanical properties, and especially SME of the composite, was studied by DSC, SEM, FTIR spectroscopy, compression tests, and DMA. By varying the composition, the beginning of the SME activation was reached at 45 °C, and the apparent activation energy of the process decreased by 85 kJ/mol, ensuring safe and effective use of the material as a precursor for temporary self-fitting scaffolds for reconstructive surgery. View Full-Text
Keywords: polylactide; polycaprolactone; shape memory; self-fitting; implants; recovery stress polylactide; polycaprolactone; shape memory; self-fitting; implants; recovery stress
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MDPI and ACS Style

Zhukova, P.A.; Senatov, F.S.; Zadorozhnyy, M.Y.; Chmelyuk, N.S.; Zaharova, V.A. Polymer Composite Materials Based on Polylactide with a Shape Memory Effect for “Self-Fitting” Bone Implants. Polymers 2021, 13, 2367. https://doi.org/10.3390/polym13142367

AMA Style

Zhukova PA, Senatov FS, Zadorozhnyy MY, Chmelyuk NS, Zaharova VA. Polymer Composite Materials Based on Polylactide with a Shape Memory Effect for “Self-Fitting” Bone Implants. Polymers. 2021; 13(14):2367. https://doi.org/10.3390/polym13142367

Chicago/Turabian Style

Zhukova, P. A., F. S. Senatov, M. Y. Zadorozhnyy, N. S. Chmelyuk, and V. A. Zaharova 2021. "Polymer Composite Materials Based on Polylactide with a Shape Memory Effect for “Self-Fitting” Bone Implants" Polymers 13, no. 14: 2367. https://doi.org/10.3390/polym13142367

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