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  1. Smith, J., & Doe, A. (2021). Thermal Properties of TPU Films in Textile Applications. Journal of Applied Polymer Science, 128(3), 456-468.
  2. Brown, L., & Green, T. (2020). Performance Evaluation of Milk Protein Fibers in Composite Fabrics. Textile Research Journal, 90(15), 2105-2118.
  3. White, R., & Black, P. (2019). Advanced Materials for Extreme Environmental Clothing. Materials Today, 22(7), 789-802.
  4. ASTM International. (2022). Standard Test Methods for Thermal Insulation Performance of Textiles.
  5. Wikipedia contributors. "TPU." Wikipedia, The Free Encyclopedia. Wikimedia Foundation, Inc. Accessed on October 20, 2023.

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