Synthesis of a new heterogeneous acidic catalyst from Luffa as a lignocellulosic material

Kazemi Tabrizi, Ali; Khademi Eslam, Habibollah; Hemmasi, Amir Hooman; Bazyar, Behzad; Atghia, Vahid

doi:10.22092/ijwpr.2021.351602.1632

Document Type : Research Paper

Authors

Department of Wood and Paper Science and Technology, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran

https://doi.org/10.22092/ijwpr.2021.351602.1632

Abstract

Abstract
In this study, acidified Luffa (AHS@L), by sulfonic acid, as an effective and biodegradable solid acid catalyst was produced. The synthesized catalyst was characterized by TGA, SEM, XRD and FTIR, and the results indicated that modified Luffa flour had an intense acidic property. The FT-IR analyze show a broad peak at 3400cm-1 that improve the acidification of the Luffa surface. Also the XRD analyze clearly show the change in the morphology of Luffa after acidification. The TGA analyze show us the heat resistance of the catalyst up to 245 ° C and the SEM images clearly showed that the catalyst surface was hydrated as a result of acidification. The synthesized catalyst was used to protect the amines in the N-tert butyl carbamate reaction under solvent-free conditions at room temperature. Different types of aliphatic and aromatic amines have been produced as related monocarbamates with excellent yields and short reaction times. This method was mild and selective and has advantages such as heterogeneous catalysis, low cost and catalyst recovery capability.

Keywords

References

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Iranian Journal of Wood and Paper Science Research

Synthesis of a new heterogeneous acidic catalyst from Luffa as a lignocellulosic material

References

References

Volume 36, Issue 1 - Serial Number 74
April 2021
Pages 64-77

Synthesis of a new heterogeneous acidic catalyst from Luffa as a lignocellulosic material

References

References

Volume 36, Issue 1 - Serial Number 74April 2021Pages 64-77

Volume 36, Issue 1 - Serial Number 74
April 2021
Pages 64-77