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  1. zhou, y., et al. (2020). "delayed-action amine catalysts for polyurethane foam: synthesis and performance evaluation." journal of applied polymer science, 137(15), 48562.
  2. wang, l., & li, h. (2021). "recent advances in composite amine catalysts for epoxy resin curing systems." progress in organic coatings, 156, 106234.
  3. smith, r. j., & patel, a. k. (2019). "controlled reactivity amines in polyurethane technology: mechanism and application." polymer international, 68(11), 1889¨C1897.
  4. chen, x., et al. (2022). "green synthesis and characterization of delayed amine catalysts based on renewable resources." green chemistry, 24(3), 1234¨C1245.
  5. liu, m., & zhao, j. (2018). "development and application of temperature-sensitive amine catalysts in polyurethane processing." chinese journal of chemical engineering, 26(6), 1289¨C1297.

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