Cited by 111Polymer composites and self-healingAdvanced Materials and MechanicsHydrogels: synthesis, properties, applications

A biodegradable shape-memory nanocomposite with excellent magnetism sensitivity

Open access
Yu, Xiongjun, Zhou, Shaobing, Zheng, Xiaotong, Guo, Tao, Xiao, Yu, Song, Botao·2009·Nanotechnology

Abstract

This paper reports a kind of biodegradable nanocomposite which can show an excellent shape-memory property in hot water or in an alternating magnetic field with f = 20 kH and H = 6.8 kA m(-1). The nanocomposite is composed of crosslinked poly(epsilon-caprolactone) (c-PCL) and Fe(3)O(4) nanoparticles. The crosslinking reaction in PCL with linear molecular structure was realized using benzoyl peroxide (BPO) as an initiator. The biocompatible Fe(3)O(4) magnetite nanoparticles with an average size of 10 nm were synthesized according to a chemical coprecipitation method. The initial results from c-PCL showed crosslinking modification had brought about a large enhancement in shape-memory effect for PCL. Then a series of composites made of Fe(3)O(4) nanoparticles and c-PCL were prepared and their morphological properties, mechanical properties, thermodynamic properties and shape-memory effect were investigated in succession. Significantly, the photos of the shape-memory process confirmed the anticipatory magnetically responsive shape-recovery effect of the nanocomposites because inductive heat from Fe(3)O(4) can be utilized to actuate the c-PCL vivification from their frozen temporary shape. All the results imply a very feasible method to fabricate shape-memory PCL-based nanocomposites since just a simple modification is required. Additionally, this modification would endow an excellent shape-memory effect to all other kinds of polymers so that they could broadly serve in various fields, especially in medicine.

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Crossref · 10.1088/0957-4484/20/23/235702

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  • The typical fillers used to achieve the magnetic-active shape memory effect include metal particles, iron(III) oxide particles, ferromagnetic particles, NdFeB particles, Ni-Mn-Ga single crystals and nickel powders.

    “The typical fillers used to achieve the magnetic-active SME include metal particles, iron(III) oxide particles [379,386], ferromagnetic particles [387], NdFeB particles [388], NieMneGa singlecrystals [389] and nickel powders [390].”

    From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [379]

    The Abstract and Introduction report magnetically triggered shape recovery using Fe3O4 magnetite nanoparticles, supporting the use of magnetic iron-oxide particles as fillers. Fe3O4 is iron(II,III) oxide, however, not specifically iron(III) oxide; the other listed fillers have separate citations and are not attributed to this paper. (LLM, conf=0.85)

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  • The typical fillers used to achieve the magnetic-active SME include metal particles, iron(III) oxide particles, ferromagnetic particles, NdFeB particles, Ni-Mn-Ga single crystals and nickel powders.

    “The typical fillers used to achieve the magnetic-active SME include metal particles, iron(III) oxide particles [379,386], ferromagnetic particles [387], NdFeB particles [388], NieMneGa singlecrystals [389] and nickel powders [390].”

    From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [379]

    The Introduction and Experimental details describe Fe₃O₄ magnetite particles used to trigger shape recovery in a magnetic field, supporting the cited example of a magnetic iron-oxide filler. Fe₃O₄ is iron(II,III) oxide, however, not the iron(III) oxide specified in the citing sentence. The other fillers have separate citations and are not attributed to this paper. (LLM, conf=0.87)

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Research works printed but not linked: 4

  1. [5]5. Yang B, Huang W and Li C 2004 Proc. 1st Int. Symp. of Nanotechnology (Singapore)
  2. [9]9. Mohr R, Kratz K, Weigel T, Lucka-Gabor M, Moneke M and Lendlein A 2006 Proc. Natl Acad. Sci. 103 3540
  3. [11]11. Buckley P R, McKinley G H, Wilson T S, Small W, Benett W J, Bearinger J P, McElfresh M W and Maitland D J 2006 IEEE Trans. Biomed. Eng. 10 2075
  4. [28]28. Zhang D W, Lan X, Liu Y J and Leng J S 2007 Proc. SPIE 6526 65262W

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Authors
Yu, X., Zhou, S., Zheng, X., Guo, T., Xiao, Y., & Song, B.
Affiliations
Southwest Jiaotong University (CN)
Corresponding author
Zhou, Shaobing
Venue
Nanotechnology
Published
2009-05-19
Volume
20
Issue
23
Pages
235702
ISSN
  • 0957-4484 (ISSN-L)
  • 1361-6528
OpenAlex
W1982556849
Cited by
111
References
30
Citations by year
2026: 1 · 2025: 5 · 2024: 5 · 2023: 4 · 2022: 4 · 2021: 7 · 2020: 6 · 2019: 10 · 2018: 4 · 2017: 6 · 2016: 16 · 2015: 10 · 2014: 10 · 2013: 8 · 2012: 7
FWCI
4.20
Type
journal article
Language
en
Open access
Locations
  • Nanotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (50773065)
  • Ministry of Education of the People's Republic of China (NCET-07-0719, NCET-07)
  • Program for New Century Excellent Talents in University
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
Keywords
shape memory polymers, polycaprolactone, Fe3O4 nanoparticles, magnetite, magnetic nanocomposites, biodegradable polymers, benzoyl peroxide, chemical coprecipitation, magnetic heating, shape recovery, polymer nanocomposites
MeSH terms
Benzoyl Peroxide, Biocompatible Materials, Biodegradation, Environmental, Particle Size, Polyesters, Polymers, Temperature, Time Factors, Ferrosoferric Oxide, Nanocomposites, Metal Nanoparticles, Electromagnetic Phenomena

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