Influence of steric effects on the kinetics of cyclic-carbonate vegetable oils aminolysis

Andrés Felipe Guzmán Agudelo, Wander Y. Pérez-Sena, Nasreddine Kebir, Tapio Salmi, Luis Alberto Ríos, Sébastien Leveneur

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Sammanfattning

Polyurethane polymer is more and more famous because of its versatile properties. The current production process requires the use of isocyanate, which is a hazardous chemical. An alternative eco-friendly route of production is the aminolysis reaction between a cyclic-carbonate, from carbonated vegetable oil, and a diamine. Nevertheless, the kinetics of this reaction system is slow, which might be due to steric hindrance. In order to predict and evaluate this steric hindrance, different amines were tested for the aminolysis of carbonated methyl oleate. Four amines were used: n-butylamine, methylbutylamine, ethylbutylamine and dibutylamine. Kinetic models for the aminolysis with each amine were developed. A relationship between structure and reactivity of each substituent was found through the concept of Linear Free Energy Relationships.
OriginalspråkEngelska
Artikelnummer115954
TidskriftChemical Engineering Science
Volym228
DOI
StatusPublicerad - 2020
MoE-publikationstypA1 Tidskriftsartikel-refererad

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