Selective Glycolysis of Polyester/Cotton Blended Fibers Using Zinc Acetate Catalysts
Vol. 62, No. 1, pp. 20-26,
Feb. 2025
10.12772/TSE.2025.62.020
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Abstract
The textile market continues to grow worldwide, which leads to rapid increase in textile wastes. In particular, polyester/cotton blended fibers, which are widely used, have limitations in that they are difficult to process with existing recycling method. This study suggests a glycolysis-based chemical recycling method for the polyester/cotton blended fibers with selective manner. Herein, we use zinc acetate salts as cost-effective catalysts for selective glycolysis of polyester. The glycolysis reaction using the catalysts results in the successful degradation of polyester fibers to bis(2-hydroxyethyl) terephthalate monomers while preserving cotton fibers. This study is expected to contribute to the establishment of a sustainable resource circulation model in the textile industry.
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