The research progress of polypropylene catalysts was reviewed,including Ziegler-Natta(Z-N)catalyst,metallocene catalyst,post-transition metal catalyst and composite catalyst.The influences of carrier,cocatalyst and electron donor on the ac-tivity,structure and performance of Z-N catalysts were analyzed emphatically.Advantages and disad-vantages of various catalysts were compared.It was pointed out that in order to produce the polypropy-lene products with better performance and ensure the cost,the catalysts should be further studied and de-signed in the aspects of reaction mechanism,syn-thesis process and polymer morphology control in the future.
propylenepolypropyleneZiegler-Natta catalystmetallocene catalystpost-transition metal catalystcomposite catalystporous organic polymer
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