Mathematical Modeling of 1, 3-Butadiene Polymerization Initiated by Hydrogen Peroxide

Document Type: Research Article

Authors

1 Nanotechnology Research Center, Urmia University, Urmia, I.R. IRAN

2 Institute of Chemical Research and Technology, Tehran, I.R. IRAN

3 Nanochemistry Department, Institute of Nanotechnology, Urmia University, Urmia, I.R. IRAN

4 Department of Chemistry, Payame Noor University (PNU), Tehran, I.R. IRAN

Abstract

In this study, the modeling of polymerization of 1, 3-butadiene in the presence of hydrogen peroxide has been reported for the first time. For this purpose the Method of double moments was applied. The modeling has been performed to investigate the effect of reaction condition on the properties of synthesized Polybutadiene, and the role of kinetic coefficients on the output of model i.e. sensitivity analysis. A comprehensive kinetic model was developed based on previous experimental studies. Then, the moment and population balance of the reactants were obtained. Modeling results were used to study the role of initiator concentration and the type of solvent in polymerization kinetics and final polymer properties. In addition, sensitivity of modeling results in a transfer to the initiator, radical coupling and finally transfer to polymer reactions was investigated. This study opens a way for the engineering of manufacturing Hydroxyl-terminated Polybutadiene (HTPB) process to obtain the desired products with optimized reaction condition. Results show that initiator concentration and type of solvent are important in polymerization kinetics and properties of HTPBs. Higher amount of initiator increases radical concentration and consequently rates of bimolecular termination and at lower level, rate of propagation and polymer double bonds reactions.

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