Kinetic Parameters of the Cross-linking Reaction of Cellulose Membranes with Bifunctional Epoxides

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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

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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
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2022
Appears in Collections:Naturwissenschaftliche Fakultät

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1 image of flag of United States United States 18 34.62%
2 image of flag of Germany Germany 16 30.77%
3 image of flag of China China 7 13.46%
4 image of flag of Vietnam Vietnam 2 3.85%
5 image of flag of Indonesia Indonesia 2 3.85%
6 image of flag of Czech Republic Czech Republic 2 3.85%
7 image of flag of Austria Austria 2 3.85%
8 image of flag of Taiwan Taiwan 1 1.92%
9 image of flag of Russian Federation Russian Federation 1 1.92%
10 image of flag of United Kingdom United Kingdom 1 1.92%

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