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zhang, y., et al. (2020). lightweight polyurethane foams: preparation, properties and applications. progress in polymer science, 100(3), 221¨C245.
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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.
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zhao, h., et al. (2019). recent advances in low-density polyurethane foam for automotive applications. polymer engineering & science, 59(s2), e123¨Ce132.
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american chemistry council. (2022). polyurethanes innovation report: lighter, stronger, greener.
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