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Endurance of linear and cross-linked shape memory polyurethane under rigorous hydrolysis conditions

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Abstract

Linear shape memory polyurethane (SMPU) copolymers synthesized from 4,4′-methylene bis(phenylisocyanate) (MDI), poly(tetramethyleneglycol) (PTMG), and 1,4-butanediol (BD), and cross-linked SMPU by glycerol were being tested under the severe hydrolysis conditions for the tensile mechanical properties and the shape memory effect for 6 months. Tensile mechanical properties and shape memory effect were not substantially decreased after 6 months of storage, and SMPU structure was not affected during the long-term hydrolysis test as evidenced by IR, DSC, contact angle, and viscosity. Hydrolysis test was important in proving the durability of SMPU before application of SMPU in aqueous surrounding.

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Authors and Affiliations

  1. Department of Chemistry, The University of Suwon, Gyeonggi-do, 445-743, Korea

    Yong-Chan Chung

  2. Department of Polymer Engineering, The University of Suwon, Gyeonggi-do, 445-743, Korea

    Jae Won Choi, Na Eun Choi & Byoung Chul Chun

  3. Intelligent Textile System Research Center, Seoul, 151-742, Korea

    Jae Won Choi, Na Eun Choi & Byoung Chul Chun

Authors
  1. Yong-Chan Chung
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  2. Jae Won Choi
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  3. Na Eun Choi
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  4. Byoung Chul Chun
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Correspondence to Byoung Chul Chun.

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Chung, YC., Choi, J.W., Choi, N.E. et al. Endurance of linear and cross-linked shape memory polyurethane under rigorous hydrolysis conditions. Fibers Polym 10, 576–582 (2009). https://doi.org/10.1007/s12221-010-0576-9

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  • DOI: https://doi.org/10.1007/s12221-010-0576-9

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