Kinetics and mechanism of the synthesis of a novel protein-based plastic using subcritical water |
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Authors: | Abdelmoez Wael Yoshida Hiroyuki |
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Affiliation: | Department of Chemical Engineering, Osaka Prefecture University, Osaka 599-8531, Japan. drengwael2003@yahoo.com |
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Abstract: | We investigated the intermolecular mechanism and kinetics of the synthesis of a novel biodegradable protein-based plastic from bovine serum albumin under subcritical water conditions using batch reactors. The reaction mechanism could be viewed as a chain reaction stabilized by the formation of intermolecular disulfide bonds. The kinetic analysis was based on non-steady-state kinetics using a theoretical model developed in one of our previous works. The activation energy and pre-exponential factor were found to be 7.2 kJ/mol and 0.9 s-1, respectively. These low values signify that the reaction is relatively temperature-insensitive with some diffusion limitation. |
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