Poly(lactic acid) based polymer composites for biomedicine; AIP Conference Proceedings; Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology
| Parent link: | AIP Conference Proceedings Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology.— 2020.— [020180, 4 p.] |
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| Summary: | Title screen 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 tan8 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. Режим доступа: по договору с организацией-держателем ресурса |
| Language: | English |
| Published: |
2020
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| Online Access: | https://doi.org/10.1063/5.0034060 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664001 |
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| 200 | 1 | |a Poly(lactic acid) based polymer composites for biomedicine |f S. M. Lebedev, I. A. Khlusov, D. M. Chistokhin | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 8 tit.] | ||
| 330 | |a 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 tan8 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. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\4816 |t AIP Conference Proceedings | |
| 463 | |t Vol. 2310, iss. 1 : Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology |o proceedings of the International Conference, 5–9 October 2020, Tomsk, Russia |f ISPMS SB RAS ; eds. V. E. Panin, V. M. Fomin |v [020180, 4 p.] |d 2020 | ||
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| 700 | 1 | |a Lebedev |b S. M. |c physicist |c Head of the laboratory of Tomsk Polytechnic University, Doctor of technical sciences |f 1954- |g Sergey Mikhailovich |3 (RuTPU)RU\TPU\pers\34631 |9 17993 | |
| 701 | 1 | |a Khlusov |b I. A. |c biophysicist |c Professor of Tomsk Polytechnic University, doctor of medical Sciences |f 1963- |g Igor Albertovich |3 (RuTPU)RU\TPU\pers\34907 |9 18225 | |
| 701 | 1 | |a Chistokhin |b D. M. |c doctor (pharmacist) |c engineer of Tomsk Polytechnic University |f 1990- |g Dmitry Mikhaylovich |3 (RuTPU)RU\TPU\pers\46802 | |
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