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Soybean Oil-Based Polyurethane Networks: Shape-Memory Effects and Surface Morphologies

  • Original Paper
  • Published:
Journal of the American Oil Chemists' Society

Abstract

Vegetable oil-based shape-memory polyurethane networks are an emerging class of bio-based functional materials with great potential applications. In this study, a series of different structural soybean oil polyols were synthesized, and utilized to fabricate polyurethane networks by reacting with 1,6-diisocyanatohexane. The soybean oil-based polyurethanes (SOPUs) were characterized with differential scanning calorimetry (DSC), dynamic mechanical tests (DMA), tensile testing, shape-memory testing, and atomic force microscopy (AFM). It was found that SOPUs with a preserved triglyceride structure were fixed in a temporary shape at −20 °C, while others were fixed in temporary shapes at 4 °C. Although the recovery speeds were different, all the samples could completely regain their permanent shapes at 37 °C (human body temperature). Furthermore, different SOPUs exhibited different surface structures, which might provide the materials with additional values.

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Acknowledgments

The authors are grateful for support from the National Natural Science Foundation of China (Grant No. 20728607, 20706054, 20976180), 973 Program (2009CB724705), 863 Project (2008AA10Z302), the Open Funding Project of the Guangxi Key Laboratory of Biorefinery, Guangxi, China (No.GXBF11-02). Dr. Y. Liu appreciates support from Open Funding Project of the National Key Laboratory of Biochemical Engineering (No. 2010KF-15).

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Authors and Affiliations

  1. National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China

    Shida Miao, Zhiguo Su & Songping Zhang

  2. Department of Chemical and Biomolecular Engineering, University of Akron, Akron, OH, 44325, USA

    Shida Miao & Nicholas Callow

  3. Biotechnology Institute and Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN, 55108, USA

    Ping Wang

  4. Guangxi Key Laboratory of Biorefinery, Guangxi University, Nanning, 530004, China

    Youyan Liu

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  1. Shida Miao
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  2. Nicholas Callow
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  3. Ping Wang
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  4. Youyan Liu
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  5. Zhiguo Su
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  6. Songping Zhang
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Corresponding author

Correspondence to Songping Zhang.

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Miao, S., Callow, N., Wang, P. et al. Soybean Oil-Based Polyurethane Networks: Shape-Memory Effects and Surface Morphologies. J Am Oil Chem Soc 90, 1415–1421 (2013). https://doi.org/10.1007/s11746-013-2273-5

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  • DOI: https://doi.org/10.1007/s11746-013-2273-5

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