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The Role of CaO in the Ziegler–Natta Catalyst for Propylene Polymerization

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A certain amount of CaO enhanced the activity of Ziegler–Natta catalyst during propylene polymerization, but decreased isotacticity. The results indicated that CaO accelerated the initial polymerization rates and improved catalyst against deactivation without effects on melting point, crystallinity and morphology of polypropylene. The electron spin resonance (ESR) results revealed that CaO facilitated the reduction of Ti4+ species.

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Authors and Affiliations

  1. Center of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand

    Kitti Tangjituabun, Bunjerd Jongsomjit & Piyasan Praserthdam

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  1. Kitti Tangjituabun
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  2. Bunjerd Jongsomjit
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  3. Piyasan Praserthdam
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Correspondence to Piyasan Praserthdam.

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Tangjituabun, K., Jongsomjit, B. & Praserthdam, P. The Role of CaO in the Ziegler–Natta Catalyst for Propylene Polymerization. Catal Lett 109, 147–152 (2006). https://doi.org/10.1007/s10562-006-0071-5

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  • DOI: https://doi.org/10.1007/s10562-006-0071-5

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