Author:
Bergstra Michiel F.,Denifl Peter,Gahleitner Markus,Jeremic Dusan,Kanellopoulos Vasileios,Mileva Daniela,Shutov Pavel,Touloupidis Vasileios,Tranninger Cornelia
Abstract
Producing isotactic polypropylene (iPP) homo- and copolymers in a wide composition and property range according to customer demand requires perfect alignment between the process technology, catalyst system and polymer structure. The present review shows this for the Borstar® PP process, a hybrid process employing liquid bulk and gas phase stages, in an exemplary way. It starts with the process design and continues through two generations of Ziegler–Natta catalyst development history to the design of advanced multimodal random and multiphase copolymers. Essential elements of each of the three areas contributing to performance range are highlighted, and an outlook to future development is given.
Subject
Polymers and Plastics,General Chemistry
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