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  1. zhang, y., et al. (2020). lightweight polyurethane foams: preparation, properties and applications. progress in polymer science, 100(3), 221¨C245.

  2. wang, l., & li, x. (2021). effect of isocyanate structure on cell morphology and mechanical properties of flexible polyurethane foams. journal of cellular plastics, 57(4), 431¨C448.

  3. zhao, h., et al. (2019). recent advances in low-density polyurethane foam for automotive applications. polymer engineering & science, 59(s2), e123¨Ce132.

  4. liu, j., & chen, g. (2022). sustainable development of polyurethane materials: from raw materials to end-of-life management. green chemistry, 24(5), 1892¨C1915.

  5. kim, s., & park, c. (2018). development of high-performance polyurethane elastomers with reduced density using modified mdi systems. macromolecular research, 26(7), 601¨C609.

  6. european polyurethane association (epua). (2023). trends in lightweight polyurethane applications across industries.

  7. american chemistry council. (2022). polyurethanes innovation report: lighter, stronger, greener.


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