Bio-inspired Thermo-responsive and Self-Healing Polymer–PCM Hybrids for Next-Generation Smart Textile Applications

Year : 2025 | Volume : 13 | Issue : 04 | Page : 228 238
    By

    Ishrat Meera Mirzana,

  • Mohanrajhu N,

  • Mohammed Sadiq Pachapuri,

  • Arigela Sri Harsha,

  • Hirald Dwaraka Praveena,

  • Priyalatha. S,

  • Nellore Manoj Kumar,

  • G.S.V.Seshu Kumar,

  • R. Ashok Kumar,

  1. Professor, Department of Mechanical Engineering, Muffakham Jah College of Engineering and Technology, Hyderabad, Telangana, India
  2. Associate Professor, Department of Mechanical Engineering, R.M.K. Engineering College, Kavaraipettai, Tamil Nadu, India
  3. Assistant Professor, Department of Mechanical Engineering, KLE Technological University, Dr M S Sheshgiri Campu, Belagavi, Karnataka, India
  4. Assistant Professor, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
  5. Associate Professor, Department of Electronics and Communication Engineering, School of Engineering, Mohan Babu University, Tirupati, Andhra Pradesh, India
  6. Associate Professor, Department of Fashion Technology, Sona College of Technology, Salem, Tamil Nadu, India
  7. Adjunct Faculty, Department of Mathematics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, India
  8. Assistant Professor, Department of Mechanical Engineering, SRKR Engineering College, Bhimavaram, Andhra Pradesh, India
  9. Assistant Professor, Department of Mechanical Engineering, R.M.D. Engineering College, Chennai, Tamil Nadu, India

Abstract

The integration of phase change materials (PCMs) into flexible polymers represents a promising strategy for developing smart textiles with advanced thermal regulation and mechanical adaptability. However, the challenges of PCM leakage, poor mechanical strength, and durability under cyclic stress have limited their practical applications. In this study, we present a novel self-healing and elastic composite based on thermoplastic polyurethane (TPU) incorporating 30 wt% microencapsulated PCM (mPCM) and dynamic disulfide bonds to address these issues. The TPU matrix was synthesized via solution polymerization with 2, 2′-dithiodiethanol as a disulfide crosslinker. The mPCMs were dispersed through ultrasonication and solvent casting to ensure uniform distribution. Differential Scanning Calorimetry (DSC) showed that the composite retained 81% of the PCM’s latent heat capacity (58.4 J/g) with a consistent melting point (32–34 °C) after 100 thermal cycles. Mechanical tests revealed enhanced tensile strength (6.2 MPa) and high elongation at break (137%), while DMA confirmed improved storage modulus and damping behaviour. Self-healing evaluation demonstrated 89% recovery in tensile strength after the first cut-heal cycle, maintaining 75% efficiency after five cycles at 50 °C. Scanning Electron Microscopy (SEM) confirmed the homogeneous dispersion of PCM microcapsules within the TPU matrix, validating the composite’s structural integrity. This uniformity is crucial for ensuring consistent thermal and mechanical performance in dynamic textile environments. These results highlight the composite’s resilience, thermal stability, and damage tolerance. The synergy between PCM functionality and dynamic polymer chemistry offers a robust platform for smart textile systems, extending service life while enhancing wearer comfort in dynamic environments.

Keywords: Smart textiles, phase change materials (PCMs), thermoplastic polyurethane (TPU), self-healing composites, thermal energy storage

[This article belongs to Journal of Polymer and Composites ]

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How to cite this article:
Ishrat Meera Mirzana, Mohanrajhu N, Mohammed Sadiq Pachapuri, Arigela Sri Harsha, Hirald Dwaraka Praveena, Priyalatha. S, Nellore Manoj Kumar, G.S.V.Seshu Kumar, R. Ashok Kumar. Bio-inspired Thermo-responsive and Self-Healing Polymer–PCM Hybrids for Next-Generation Smart Textile Applications. Journal of Polymer and Composites. 2025; 13(04):228-238.
How to cite this URL:
Ishrat Meera Mirzana, Mohanrajhu N, Mohammed Sadiq Pachapuri, Arigela Sri Harsha, Hirald Dwaraka Praveena, Priyalatha. S, Nellore Manoj Kumar, G.S.V.Seshu Kumar, R. Ashok Kumar. Bio-inspired Thermo-responsive and Self-Healing Polymer–PCM Hybrids for Next-Generation Smart Textile Applications. Journal of Polymer and Composites. 2025; 13(04):228-238. Available from: https://journals.stmjournals.com/jopc/article=2025/view=218043


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Regular Issue Subscription Original Research
Volume 13
Issue 04
Received 13/06/2025
Accepted 02/07/2025
Published 17/07/2025
Publication Time 34 Days
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