Reactive Deep Eutectic Solvent for an Eco-Friendly Synthesis of Cellulose Carbamate
Vincenzo Algieri1, Loredana Maiuolo1, Debora Procopio2
1Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12C, 87036 Rende, CS, Italy.
Polymers
|March 28, 2024
Summary
Researchers synthesized cellulose carbamate (CC) using a novel, eco-friendly deep eutectic solvent (DES). This green chemistry approach enhances cellulose solubility and processability for diverse applications.
Area of Science:
- Materials Science
- Green Chemistry
- Polymer Chemistry
Background:
- Natural cellulose, abundant but poorly soluble, limits its applications.
- Chemical derivatization, like cellulose carbamate (CC), improves solubility and industrial use.
- Deep eutectic solvents (DES) offer sustainable reaction media.
Purpose of the Study:
- To synthesize cellulose carbamate (CC) using a novel, environmentally friendly deep eutectic solvent (DES).
- To demonstrate the DES's dual role as a reaction medium and reagent.
- To establish a cost-effective and sustainable method for cellulose derivative production.
Main Methods:
- Synthesis of CC using a type IV DES composed of erbium trichloride and urea.
- Characterization of the synthesized CC using Fourier-transform infrared spectroscopy (FT-IR) and elemental analysis.
- Quantification of nitrogen content to determine the degree of substitution.
Main Results:
- Successful synthesis of cellulose carbamate (CC) facilitated by the novel DES.
- The DES acted as both an environmentally friendly reaction medium and a reagent.
- Characterization confirmed a nitrogen content of 1.59%, yielding a degree of substitution of 0.19.
Conclusions:
- A straightforward, cost-effective, and green method for CC synthesis was developed.
- The use of non-toxic DES aligns with green chemistry principles.
- This sustainable approach advances cellulose derivative production.
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