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Timothy F. L. McKenna, Audrey Di Martino, Guenter Weickert and João B. P. Soares Particle Growth During the Polymerisation of Olefins on Supported Catalysts, 1 – Nascent Polymer Structures Macromolecular Reaction Engineering 4

Article first published online: 11 DEC 2009 | DOI: 10.1002/mren.200900025

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In this first part of a two-part review the physical nature of nascent polyolefins produced on supported catalysts is examined. Typical engineering treatment of polyolefin production assumes that nascent polymer (i.e., that made during the fragmentation and initial particle formation steps) has the same physical properties as the polymer produced after several hours and withdrawn from the reactor. This review shows that this is not so, and goes in to discuss how the inherent differences between the nascent and final polymer can have an impact on particle formation and growth.

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