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Study of the Chain Transfer Reaction by Hydrogen in the Initial Stage of Propene Polymerization by Hideharu Mori; Kunihiko Tashino; Minoru Terano is a Materials Science article available to read on EtoBox.

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## Abstract The chain transfer reaction by hydrogen in the initial stage of propene polymerization with MgCl~2~‐supported Ziegler catalyst was studied by means of the stopped‐flow polymerization. The yield and molecular weight of polypropene produced in the initial stage were not affected by hydrogen. Thus, the method was successfully applied to find the region in which hydrogen does not act as a chain transfer reagent. On the other hand, a chain transfer reaction proceeded in the initial stage of polymerization by using Zn(C~2~H~5~)~2~. Furthermore, when the catalyst was treated with Al(C~2~H~5~)~3~ before polymerization, the molecular weight of the produced polymer was decreased by using hydrogen, indicating that it acted as a chain transfer agent for the catalyst modified by pre‐treatment.

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Author

Hideharu Mori; Kunihiko Tashino; Minoru Terano

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1022-1336)

Published

1995

Language

EN

Field

Materials Science (Physical Sciences)