Shape Memory Polymer-Based Nanocomposites Magnetically Enhanced with Fe3O4 Nanoparticles

被引：26

作者：

Pekdemir, Mustafa Ersin ^{[1
]}

Aydin, Derya ^{[1
]}

Pekdemir, Sibel Selcuk ^{[1
]}

Sonmez, Pinar Erecevit ^{[2
]}

Aksoy, Edanur ^{[1
]}

机构：

[1] Firat Univ, Fac Sci, Dept Chem, Elazig, Turkiye

[2] Munzur Univ, Pertek Sakine Genc Vocat Sch, Dept Med Serv & Tech, Tunceli, Turkiye

来源：

JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2023年 / 33卷 / 05期

关键词：

Magnetic nanoparticle; polymer blend; nanocomposite; shape memory; antimicrobial; POLYETHYLENE-GLYCOL; POLY(LACTIC ACID); COMPOSITES; NANOCRYSTALS; PEG;

D O I：

10.1007/s10904-023-02566-3

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This work aimed to investigate the effect of magnetic Fe3O4 nanoparticles (MNP), which are known to have a wide range of applications in recent years, on nanocomposite films prepared with shape memory polymers. Herein, PLA-PEG blend nanocomposite films were prepared by solution casting method using MNP at different ratios. PLA-PEG Blend/MNP nanocomposite films were characterized with Attenuated total reflection infrared spectroscopy (ATR-IR) to determine the -C=O stretching of PLA and Fe-O stretching signals of Fe3O4. The thermal stability, morphology, and magnetic behavior were studied by comparing the results among PLA-PEG blend, PLA-PEG blend/MNP nanocomposite with thermogravimetric analyses (TGA), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), and a vibrating sample magnetometer (VSM), respectively. The effect of MNP on the shape memory properties of PLA/PEG blend was investigated. Moreover, the comparison of antimicrobial activity between PLA/PEG blend and PLA-PEG blend/MNP nanocomposite films were conducted by the disk diffusion method. The results showed that MNP increased the thermal stability of the PLA/PEG blend and the nanocomposites inhibited the growth of C.albicans microorganism.

引用

页码：1147 / 1155

页数：9

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