Synthesis of Polytetrahydrofuran Using Protonated Kaolin as A Solid Acid Catalyst

*Abdelhak Moumen -  Laboratory of Water Treatment and Valorization of Industrial Waste, Department of Chemistry, Faculty of Sciences, Badji-Mokhtar University , BP12, 23000, Annaba, Algeria Department of Petrochemical and Process Engineering, Faculty of Technology, University of 20 Août 1955 Skikda, Algeria
Zhour Hattab -  Laboratory of Water Treatment and Valorization of Industrial Waste, Department of Chemistry, Faculty of Sciences, Badji-Mokhtar University , BP12, 23000, Annaba, Algeria
Youghourta Belhocine -  Department of Petrochemical and Process Engineering, Faculty of Technology, University of 20 Août 1955 Skikda, Algeria
Kamel Guerfi -  Laboratory of Water Treatment and Valorization of Industrial Waste, Department of Chemistry, Faculty of Sciences, Badji-Mokhtar University , BP12, 23000, Annaba, Algeria
Nacer Rebbani -  Laboratory of Water Treatment and Valorization of Industrial Waste, Department of Chemistry, Faculty of Sciences, Badji-Mokhtar University , BP12, 23000, Annaba, Algeria
Received: 2 May 2018; Published: 1 Aug 2019.
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In this work, a non-toxic protonated kaolin clay exchanged with protons, was successfully applied as a solid acid catalyst for the polymerization of polytetrahydrofuran (poly(THF)) at room temperature in the presence of acetic anhydride. Prior to using the kaolin as a catalyst, it was treated with HCl (0.1 M) and characterized using various analytical techniques. The amounts of catalyst and reaction time on the conversion of THF were investigated. Characterizations of Nuclear Magnetic Resonance (1H-NMR), Fourier Transform Infra Red (FT-IR), X-ray Difraction (XRD), OM, and DSC techniques were used to examine the resulting polymer. The results show that the conversion rate of THF reaches 50.02% after 20 hours. From the X-ray characterization and DSC data indicated that the obtained poly(THF) is a highly crystalline substance. Copyright © 2019 BCREC Group. All rights reserved

Received: 2nd May 2018; Revised: 28th November 2018; Accepted: 12nd December 2018; Available online: 8th April 2019; Published regularly: 1st August 2019

How to Cite: Moumen, A., Hattab, Z., Belhocine, Y., Guerfi, K., Rebbani, N. (2019). Synthesis of Polytetrahydrofuran Using Protonated Kaolin as A Solid Acid Catalyst. Bulletin of Chemical Reaction Engineering & Catalysis, 14 (2): xxx-xxx (doi:10.9767/bcrec.14.2.2605.xxx-xxx)

Permalink/DOI: https://doi.org/10.9767/bcrec.14.2.2605.xxx-xxx

 

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Keywords
polymer synthesis; cationic polymerization; protonated kaolin clay; polytetrahydrofuran

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