What question did this study set out to answer?

This research aims to investigate the catalysis of cellulose degradation into 5-HMF and levulinic acid using temperature-responsive ionic liquids.

June 2, 2026Open Access

Degradation of cellulose to 5-hydroxymethylfurfural and levulinic acid catalyzed by bifunctional temperature-responsive ionic liquids in a dual-liquid system

Key Points

This research aims to investigate the catalysis of cellulose degradation into 5-HMF and levulinic acid using temperature-responsive ionic liquids.
Utilized bifunctional temperature-responsive ionic liquids to catalyze cellulose degradation.
Analyzed the yield of 5-HMF and levulinic acid at 180 °C over 1 hour.
Examined the effect of varying the ratio of B-acid to L-acid sites on product yield.
Achieved a total yield of 5-HMF and levulinic acid of 91.46%.
Determined that the optimal ratio of B-acid to L-acid significantly enhanced the synthesis efficiency.
Validated that temperature-responsive ionic liquids effectively catalyze cellulose breakdown.

Abstract

• Temperature-responsive ionic liquids catalyze cellulose degradation. • Cellulose was degraded into 5-HMF and LA catalyzed by B - and L - acid sites. • The total yield of 5-HMF and LA was 91.46% at 180 °C for 1 h. • The appropriate ratio of B - to L - acid was beneficial for the synthesis of 5-HMF/LA.

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