2012•Chemical ReagentsRequires access

Polymerization of norbornene with a novel side-chain functionalized monozirconocene/MAO catalyst system

Borzov Maxim

Abstract

Polymerization of norbomene was carried out in the presence of a novel catalyst system:1-methyl-1H-imidazole side-chain functionalized mono zirconocene/methylaluminoxane.Different reaction temperature and Al/Zr mole ratio were investigated.This catalyst shows the highest activity about 104 g PNBE/(mol Zr·h)at 60 ℃ and Al/Zr mole ratio 500.A high transparency and soluble polynorbornene was achieved,and the TG result shows that its melting point is higher than 400 ℃.The FT-IR spectra show that the microstucture of polynorbornene will be varied under different reaction condition.

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Key concepts: Methylaluminoxane, Chemistry, Catalysis, Norbornene, Polymerization, Polymer chemistry, Imidazole, Melting point