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  1. ³ÂÁ¢°à, ÕÅΰ. ¾Û°±õ¥·¢ÅÝÔ­ÀíÓ빤ÒÕ[m]. »¯Ñ§¹¤Òµ³ö°æÉç, 2015.
  2. À¾ü, Íõº£·å. ¾Û°±õ¥ÅÝÄ­ËÜÁÏÅä·½Éè¼ÆÓëʵÀý½âÎö[j]. ËÜÁϿƼ¼, 2017(6): 88-92.
  3. liu, j., zhang, h., & wang, y. (2019). effect of gel catalysts on the properties of rigid polyurethane foams. journal of applied polymer science, 136(18), 47580.
  4. kim, s. h., & park, c. b. (2020). development of low-emission catalyst systems for flexible polyurethane foam. polymer engineering & science, 60(3), 567-575.
  5. european polyurethane association. (2021). guidelines for catalyst selection in polyurethane foaming systems. brussels: epua publications.
  6. astm international. (2018). standard guide for selection of catalysts for polyurethane foam production (astm d7525-18).

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