Synthesis of Low Isotactic Polypropylene Using MgCl2/AlCl3-supported Ziegler–Natta Catalysts Prepared Using the One-Pot Milling Method

Anguo Xiao State Key Lab of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, P. R. China, Department of Chemistry and Chemical Engineering, Hunan University of Art and Science, Changde 415000, P. R. China

Li Wang State Key Lab of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, P. R. China;, Email: [email protected]

Qingquan Liu State Key Lab of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, P. R. China

Haojie Yu State Key Lab of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, P. R. China

Xiaochen Dong State Key Lab of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, P. R. China

Abstract

MgCl₂/AlCl₃-supported Ziegler–Natta catalysts were prepared using the one-pot milling method and low isotactic polypropylene was synthesized using this catalyst. The results indicated that higher Ti content in catalyst and higher polymerization temperature lead to higher isotactic index of resultant polypropylene. It was found that when Ti content was 1.2 wt% and the ratio of AlCl₃/MgCl₂ (mol/mol) was 0.1 in MgCl₂/AlCl₃-supported Ziegler–Natta catalyst, the activity of catalyst was highest at 30°C.

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Synthesis of Low Isotactic Polypropylene Using MgCl2/AlCl3-supported Ziegler–Natta Catalysts Prepared Using the One-Pot Milling Method

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Synthesis of Low Isotactic Polypropylene Using MgCl2/AlCl3-supported Ziegler–Natta Catalysts Prepared Using the One-Pot Milling Method

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