Modeling of the Penultimate Unit Effect in Chain-Growth Copolymerizations
Author
Source
International Journal of Polymer Science
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-04-28
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
The present work addresses the modeling and simulation of the addition of copolymerizations of styrene and methyl methacrylate in batch mode, and the formation of tailored vinyl acetate/acrylic acid copolymers is evaluated through stochastic optimization procedures based on the Monte Carlo method.
A kinetic model of the free-radical reaction was proposed in order to predict the behavior of the reaction system taking into consideration the presence of the penultimate unit effect.
The profiles of conversion and copolymer composition were also evaluated considering the effect of the medium viscosity (kinetic phenomena related to gel and glass effects) on the reaction performance.
It was shown that the proposed model for chain-growth copolymerization is able to describe strong nonlinear behaviors such as autoacceleration of the polymerization and drift of copolymer composition.
It was also shown that copolymers with homogeneous composition can be successfully synthesized through manipulation of the monomer feed flow rate based on a stochastic optimization procedure.
American Psychological Association (APA)
Machado, Fabricio. 2019. Modeling of the Penultimate Unit Effect in Chain-Growth Copolymerizations. International Journal of Polymer Science،Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1167844
Modern Language Association (MLA)
Machado, Fabricio. Modeling of the Penultimate Unit Effect in Chain-Growth Copolymerizations. International Journal of Polymer Science No. 2019 (2019), pp.1-12.
https://search.emarefa.net/detail/BIM-1167844
American Medical Association (AMA)
Machado, Fabricio. Modeling of the Penultimate Unit Effect in Chain-Growth Copolymerizations. International Journal of Polymer Science. 2019. Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1167844
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1167844