Crystallization behavior of polylactide matrix under the influence of nano-magnetite

Xinghou Gong; Cheng Cheng; Chak Yin Tang; Wing Cheung Law; Xueting Lin; Yehuang Chen; Ling Chen; Gary Chi Pong Tsui; Nanxi Rao

doi:10.1002/pen.24976

Crystallization behavior of polylactide matrix under the influence of nano-magnetite

Xinghou Gong, Cheng Cheng, Chak Yin Tang, Wing Cheung Law (Corresponding Author), Xueting Lin, Yehuang Chen, Ling Chen, Gary Chi Pong Tsui, Nanxi Rao

Research output: Journal article publication › Journal article › Academic research › peer-review

10 Citations (Scopus)

Abstract

Iron oxide nanoparticle (Fe ₃ O ₄ ) has gained remarkable research interest for various applications, from environmental to biological, because of its superparamagnetic properties and good biocompatibility. In this work, the nucleation effect of Fe ₃ O ₄ in a polylactide (PLA) matrix under an influence of an alternating magnetic field was studied. The nanocomposite films that is, containing different concentrations of Fe ₃ O ₄ (~8 nm) which were uniformly dispersed in the PLA matrix, were prepared via a solution casting method. The amplitude and frequency of the magnetic field impose great effects on the morphology and nucleation rate of PLA crystallization. Thermogravimetric analysis was used to study the thermal stability of Fe ₃ O ₄ /PLA and it showed that the thermal stability of Fe ₃ O ₄ /PLA was affected by the Fe ₃ O ₄ content. Fourier transform infrared spectroscopy and X-ray diffractometry indicated that Fe ₃ O ₄ shows impeding effect to the crystallization of PLA. Based on the differential scanning calorimetry results, composite with 1% of Fe ₃ O ₄ content could promote the crystallization of PLA but it would become an obstacle when 3% of Fe ₃ O ₄ was added. The result of polarized optical microscopy also showed a good agreement that the incorporation of Fe ₃ O ₄ could act as an effective nucleation regent to the composite film. POLYM. ENG. SCI., 59:608–615, 2019.

Original language	English
Pages (from-to)	608-615
Number of pages	8
Journal	Polymer Engineering and Science
Volume	59
Issue number	3
DOIs	https://doi.org/10.1002/pen.24976
Publication status	Published - Mar 2019

ASJC Scopus subject areas

General Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/pen.24976

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title = "Crystallization behavior of polylactide matrix under the influence of nano-magnetite",

abstract = " Iron oxide nanoparticle (Fe 3 O 4 ) has gained remarkable research interest for various applications, from environmental to biological, because of its superparamagnetic properties and good biocompatibility. In this work, the nucleation effect of Fe 3 O 4 in a polylactide (PLA) matrix under an influence of an alternating magnetic field was studied. The nanocomposite films that is, containing different concentrations of Fe 3 O 4 (~8 nm) which were uniformly dispersed in the PLA matrix, were prepared via a solution casting method. The amplitude and frequency of the magnetic field impose great effects on the morphology and nucleation rate of PLA crystallization. Thermogravimetric analysis was used to study the thermal stability of Fe 3 O 4 /PLA and it showed that the thermal stability of Fe 3 O 4 /PLA was affected by the Fe 3 O 4 content. Fourier transform infrared spectroscopy and X-ray diffractometry indicated that Fe 3 O 4 shows impeding effect to the crystallization of PLA. Based on the differential scanning calorimetry results, composite with 1% of Fe 3 O 4 content could promote the crystallization of PLA but it would become an obstacle when 3% of Fe 3 O 4 was added. The result of polarized optical microscopy also showed a good agreement that the incorporation of Fe 3 O 4 could act as an effective nucleation regent to the composite film. POLYM. ENG. SCI., 59:608–615, 2019.",

author = "Xinghou Gong and Cheng Cheng and Tang, {Chak Yin} and Law, {Wing Cheung} and Xueting Lin and Yehuang Chen and Ling Chen and Tsui, {Gary Chi Pong} and Nanxi Rao",

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AU - Gong, Xinghou

AU - Cheng, Cheng

AU - Tang, Chak Yin

AU - Law, Wing Cheung

AU - Lin, Xueting

AU - Chen, Yehuang

AU - Chen, Ling

AU - Tsui, Gary Chi Pong

AU - Rao, Nanxi

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N2 - Iron oxide nanoparticle (Fe 3 O 4 ) has gained remarkable research interest for various applications, from environmental to biological, because of its superparamagnetic properties and good biocompatibility. In this work, the nucleation effect of Fe 3 O 4 in a polylactide (PLA) matrix under an influence of an alternating magnetic field was studied. The nanocomposite films that is, containing different concentrations of Fe 3 O 4 (~8 nm) which were uniformly dispersed in the PLA matrix, were prepared via a solution casting method. The amplitude and frequency of the magnetic field impose great effects on the morphology and nucleation rate of PLA crystallization. Thermogravimetric analysis was used to study the thermal stability of Fe 3 O 4 /PLA and it showed that the thermal stability of Fe 3 O 4 /PLA was affected by the Fe 3 O 4 content. Fourier transform infrared spectroscopy and X-ray diffractometry indicated that Fe 3 O 4 shows impeding effect to the crystallization of PLA. Based on the differential scanning calorimetry results, composite with 1% of Fe 3 O 4 content could promote the crystallization of PLA but it would become an obstacle when 3% of Fe 3 O 4 was added. The result of polarized optical microscopy also showed a good agreement that the incorporation of Fe 3 O 4 could act as an effective nucleation regent to the composite film. POLYM. ENG. SCI., 59:608–615, 2019.

AB - Iron oxide nanoparticle (Fe 3 O 4 ) has gained remarkable research interest for various applications, from environmental to biological, because of its superparamagnetic properties and good biocompatibility. In this work, the nucleation effect of Fe 3 O 4 in a polylactide (PLA) matrix under an influence of an alternating magnetic field was studied. The nanocomposite films that is, containing different concentrations of Fe 3 O 4 (~8 nm) which were uniformly dispersed in the PLA matrix, were prepared via a solution casting method. The amplitude and frequency of the magnetic field impose great effects on the morphology and nucleation rate of PLA crystallization. Thermogravimetric analysis was used to study the thermal stability of Fe 3 O 4 /PLA and it showed that the thermal stability of Fe 3 O 4 /PLA was affected by the Fe 3 O 4 content. Fourier transform infrared spectroscopy and X-ray diffractometry indicated that Fe 3 O 4 shows impeding effect to the crystallization of PLA. Based on the differential scanning calorimetry results, composite with 1% of Fe 3 O 4 content could promote the crystallization of PLA but it would become an obstacle when 3% of Fe 3 O 4 was added. The result of polarized optical microscopy also showed a good agreement that the incorporation of Fe 3 O 4 could act as an effective nucleation regent to the composite film. POLYM. ENG. SCI., 59:608–615, 2019.

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Crystallization behavior of polylactide matrix under the influence of nano-magnetite

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