Kinetic Parameters of the Cross-linking Reaction of Cellulose Membranes with Bifunctional Epoxides
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Original version
Ruhr, D.; Reiche, A.: Kinetic Parameters of the Cross-linking Reaction of Cellulose Membranes with Bifunctional Epoxides. In: Chemie - Ingenieur - Technik : CIT 94 (2022), Nr. 6, S. 873-880. DOI:
https://doi.org/10.1002/cite.202100088
Repository version
To cite the version in the repository, please use this identifier:
https://doi.org/10.15488/12894
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Abstract:
Kinetic parameters of the cross-linking reaction of porous cellulose membranes with aqueous solutions of two different diglycidyl ethers were determined by dynamic DSC experiments. The autocatalytic reaction behavior was described with an extended Prout-Tompkins equation. Kinetic analysis revealed a similar kinetic behavior for both diglycidyl ethers, with an apparent activation energy of 45–65 kJ mol−1 and a reaction order between 0.9 and 1.5, suggesting a transition from one to another dominant reaction mechanism when the composition of the cross-linking solution is changed. Conversion curves based on the kinetic analysis serve as a basis for the design and optimization of a continuously running process for the industrial-scale production of cross-linked cellulose membranes. © 2022 The Authors. Chemie Ingenieur Technik published by Wiley-VCH GmbH.
License of this version:
CC BY 4.0 Unported -
https://creativecommons.org/licenses/by/4.0/
Publication type:
Article
Publishing status:
publishedVersion
Publication date:
2022
Keywords english:
Cellulose membranes
,
Cross-linking
,
Differential scanning calorimetry
,
Epoxides
,
Kinetics
DDC:
540 | Chemie
,
660 | Technische Chemie
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