High-mileage catalysts

J. C. W. Chien, Recent advances in supported high mileage catalysts for olefin polymerization. Transition Metal Catalyzed Polymerizations (R. P. Quirk, ed.), Cambridge University Press. Cambridge, 1988, pp. 55-83. 

Chien, J. C. W. Kno, C. 1. Magnesium chloride supported high-mileage catalyst for olefin polymerization. IX. Molecnlar weight and distribution and chain transfer processes. J. Polym. Sci., Part A Polym. Chem. 1986, 24, 1779-1818. 

Ziegler-Natta catalysts for olefin polymerization were first developed in 1950, modified as high mileage catalysts, further improved for morphology control and are still in use [73] after a span of 40 years (Table 15). 

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