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Identification of Site Types for Ethylene/1‐Olefin Copolymerization in Two‐Reactor System Using Simultaneous Deconvolution of Molecular Weight and Chemical Composition Distribution
Author(s) -
Chayrattanaroj Tamaned,
Anantawaraskul Siripon
Publication year - 2020
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201900023
Subject(s) - deconvolution , polymer , ethylene , olefin fiber , molar mass distribution , materials science , fraction (chemistry) , microstructure , chemical engineering , copolymer , mass fraction , catalysis , polymer chemistry , chemistry , chromatography , organic chemistry , composite material , computer science , algorithm , engineering
Ethylene/1‐olefin copolymers have been commercially produced with multiple‐site‐type Ziegler–Natta catalysts in a two‐reactor system, which allows the production of polymers with a broad range of microstructures and properties. In this work, the simultaneous deconvolution procedure for two‐reactor system is developed to help identify an appropriate number of site types for catalysts in each reactor, estimate chain microstructures, and mass fraction of polymers produced on each site type, and also estimate mass fraction of polymers produced from each reactor. This simultaneous deconvolution procedure will allow us to understand the behavior of each site type in each reactor, which will lead to a better control of polymer chain microstructures for such a complex system.