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A new series of six protic ionic liquids (PILs) comprising substituted imidazolium cations paired with lactate or glycolate anions were synthesized for cellulose dissolution. All the six synthesized PILs were able to dissolve about 5wt% of cellulose. Especially, 1-ethyl imidazolium lactate showed highest dissolution power since 5wt% of cellulose solution was obtained within 20min at 80°C. The effects...
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