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  1. european chemicals agency (echa). (2022). reach regulation ¨C restriction of organotin compounds.
  2. u.s. environmental protection agency (epa). (2021). chemical action plan for organotin compounds.
  3. se. (2023). sustainability report ¨C catalysts for a greener future.
  4. chemical company. (2022). technical white paper: bismuth catalysts in polyurethane applications.
  5. Ç廪´óѧ²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ. (2021). ¡°Óлúîé´ß»¯¼ÁÔÚ¾Û°±õ¥ÖеÄÑо¿½øÕ¹¡±£¬¡¶¾Û°±õ¥¹¤Òµ¡·£¬µÚ36¾í£¬µÚ4ÆÚ¡£
  6. Öйú»¯¹¤Ñ§»á. (2020). ¡°»·±£Ð;۰±õ¥´ß»¯¼ÁµÄ·¢Õ¹ÏÖ×´ÓëÇ÷ÊÆ¡±£¬¡¶»¯¹¤½øÕ¹¡·£¬µÚ39¾í£¬µÚ7ÆÚ¡£
  7. zhang, y., et al. (2020). bismuth-based catalysts for polyurethane foams: a review, journal of applied polymer science.
  8. iso 14001:2015 environmental management systems.

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