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  1. liu, y., zhang, l., & wang, j. (2020). recent advances in catalysts for polyurethane synthesis. progress in polymer science, 102, 45¨C78.
  2. oprea, s., & cazacu, m. (2019). metal-based catalysts for polyurethane systems: a review. journal of applied polymer science, 136(12), 47562.
  3. ÕÅΰ, ÀîÃô. (2021). »·±£Ð;۰±õ¥´ß»¯¼ÁÑо¿½øÕ¹. »¯¹¤Ð²ÄÁÏ, 49(6), 112¨C118.
  4. european chemicals agency (echa). (2022). restrictions on organotin compounds under reach regulation.
  5. ËÎÖ¾ÓÂ, Íõ½¨¹ú. (2020). ¾Û°±õ¥caseÁìÓò´ß»¯¼ÁµÄÓ¦ÓÃÏÖ×´¼°·¢Õ¹Ç÷ÊÆ. Öйú½ºÕ³¼Á, 29(10), 45¨C50.
  6. bongiovanni, r., malucelli, g., & priola, a. (2018). new developments in catalysts for non-foaming polyurethane applications. polymers for advanced technologies, 29(5), 1456¨C1464.

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