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Method for Quantitative Evaluation of Kinetic Constants in Olefin Polymerizations, 3
Author(s) -
Matos Válter,
Moreira Maurício,
Neto Antônio G. Mattos,
Nele Márcio,
Melo Príamo A.,
Pinto José Carlos
Publication year - 2007
Publication title -
macromolecular reaction engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.37
H-Index - 32
eISSN - 1862-8338
pISSN - 1862-832X
DOI - 10.1002/mren.200600003
Subject(s) - copolymer , polymer chemistry , olefin fiber , polymer , reaction rate constant , ethylene propylene rubber , natta , polypropylene , molar mass distribution , metallocene , chemistry , kinetic energy , materials science , thermodynamics , polymer science , polymerization , kinetics , organic chemistry , physics , quantum mechanics
A method for the quantitative evaluation of kinetic constants in Ziegler–Natta and metallocene olefin homopolymerizations presented previously (V. Matos, A. G. M. Neto, J. C. Pinto, J. Appl. Polym. Sci. 2001 , 79 , 2076; V. Matos, A. G. M. Neto, M. Nele, J. C. Pinto, J. Appl. Polym. Sci. 2002 , 86 , 3226) is extended to allow for estimation of model parameters in copolymerization reactions. The method is used to estimate kinetic parameters of ethylene/propylene copolymerization during the synthesis of high impact poly(propylene) in a train of cascade reactors. Process models were developed to describe the reaction rate profile, reactor solubles, molecular weight distribution of the total polymer, xylene solubles, and insoluble polymer. The process models and the estimated parameters were inserted into a process simulator that successfully described the industrial process.