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So, I have two questions regarding the synthesis of polypropylene:

  1. I have tried looking everywhere but couldn't find a detailed mechanism for the termination step of the synthesis of polypropylene (isotactic and syndiotactic) using the Ziegler-Natta catalysis.

  2. I couldn't find anywhere what are the end groups of polypropylene. I read in some books that they can be either isopropyl or vinyl, but I want a solid source to explain how I determine the identity of the end groups of the polymeric chain, once the polymerization is finished.

thanks in advance

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    $\begingroup$ "In a previous paper we have demonstrated the presence of isopropyl end groups at both ends of isotactic polypropylene chains obtained by using suitable methyl derivatives or organo-metallic cocatalysts. " $\endgroup$
    – Karsten
    Commented Apr 17 at 21:38
  • $\begingroup$ thank you! It helps me a lot $\endgroup$ Commented Apr 25 at 16:19

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