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Magneto-Responsive Biopolymer Composite Based on Plasticized Poly(Butylene Succinate-Co-Butylene Adipate) and Fe3O4 for Flexible Actuator Application

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Abstract

The magnetic soft materials that can actuate in response to the external magnetic stimulus are of a high potential for the soft robotics and biomedical applications. This work reports on the new magneto-responsive materials based on the bio-based poly(butylene succinate-co-butylene adipate) (PBSA). The synthesized magnetite (Fe3O4) nanoparticles were incorporated into the PBSA biopolymer matrix with the Fe3O4 content up to 3 wt%. The addition of Fe3O4 enhanced the magnetic and mechanical properties of the composites; all composites exhibited only the slight increases in the storage modulus in the presence of the external magnetic flux density of 10,000 G. The 3%v/v Fe3O4/PBSA composite exhibited only a small increase in the storage modulus from 7.23 × 105 Pa to 7.55 × 105 Pa without and with the magnetic flux density 10,000 G, respectively. The slight increases observed indicate the retained and favorable material flexibility and softness favoring the magnetic actuation. For the bending performance, the largest bending distance of 15.6 mm with the response time within 10 s and the maximum magnetophoretic force of 0.14 mN under the applied low magnetic flux density of 1300 G were obtained from the composite with the Fe3O4 content of 3.0%v/v with the composite magnetization of 1.719 emu g− 1. The fabricated soft magneto-responsive materials based on PBSA and Fe3O4 nanoparticle are shown here to be potential as soft magneto-responsive materials in the field of actuator such as soft robotic components.

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Data Availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors acknowledge the financial supports: the CEAP Research Unit, the Ratchadapisek Somphot Fund for Postdoctoral Fellowship, the Thailand Science Research and Innovation Fund of Chulalongkorn University, and the National Research Council of Thailand (NRCT). The PBSA materials were supplied by the PTT Polymer Marketing Co., Ltd.

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  1. Conductive and Electroactive Polymer Research Unit, Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, 10330, Thailand

    Natlita Thummarungsan & Anuvat Sirivat

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All authors contributed to the conceptualization of this study. Methodology, formal analysis, and investigation were performed by NT. The first draft of the manuscript was written by NT and AS critically reviewed and edited the manuscript. All authors read and approved the final manuscript.”

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Thummarungsan, N., Sirivat, A. Magneto-Responsive Biopolymer Composite Based on Plasticized Poly(Butylene Succinate-Co-Butylene Adipate) and Fe3O4 for Flexible Actuator Application. J Polym Environ (2024). https://doi.org/10.1007/s10924-024-03190-z

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