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Journal of Polymer Research

, 21:619 | Cite as

Ziegler-Natta catalysts with novel internal electron donors for propylene polymerization

  • Xiaofei Dang
  • Qian Li
  • Huayi LiEmail author
  • Yuan Yang
  • Liaoyun Zhang
  • Youliang Hu
Original Paper

Abstract

Four new diester compounds were prepared and used as internal donors (ID) to prepare MgCl2 supported titanium catalysts. Different diesters had notable influences on the porosity and the specific surface areas of the catalysts. The propylene polymerizations results showed that isopropyl groups(ID-2), cyclopentyl(ID-4) were more suitable substituents for diester compounds to replace phenyl(DIBP). The effects of different external donor (ED), Si/Ti ratio and hydrogen response on new ID precatalysts were evaluated by propylene polymerization.

Keywords

Internal donor Polypropylene Ziegler-Natta External donor 

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Xiaofei Dang
    • 1
    • 2
  • Qian Li
    • 1
  • Huayi Li
    • 1
    Email author
  • Yuan Yang
    • 1
  • Liaoyun Zhang
    • 2
  • Youliang Hu
    • 1
  1. 1.Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering PlasticsInstitute of Chemistry, Chinese Academy of ScienceBeijingChina
  2. 2.University of Chinese Academy of ScienceBeijingChina

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