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  1. marketsandmarkets. (2023). polyurethane catalyst market by type, application, and region ¨C global forecast to 2028.
  2. grand view research. (2022). polyurethane catalyst market size report, 2022¨C2030.
  3. Öйú»¯¹¤ÐÅÏ¢ÖÐÐÄ. (2023). Öйú¾Û°±õ¥´ß»¯¼ÁÊг¡Äê¶È±¨¸æ.
  4. european chemicals agency (echa). (2021). restriction of certain hazardous substances in polyurethanes.
  5. zhang, y., & wang, l. (2020). "recent advances in non-tin catalysts for polyurethane applications", journal of applied polymer science, vol. 137, no. 15.
  6. smith, j. r., & patel, a. (2019). "environmental impact of catalysts in polyurethane formulations", green chemistry, royal society of chemistry.

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