The invention relates to an onium salt, a liquid composition containing the onium salt and cellulose, and a method for recovering cellulose. The invention makes it possible to provide an onium salt having an extremely high ability to dissolve cellulose at temperatures of 100° C. or lower. It also makes it possible to provide a liquid composition containing this onium salt and cellulose, as a composition suitable for the recovery of cellulose, and a method for recovering cellulose efficiently by using such a liquid composition containing the onium salt and cellulose.
本发明涉及一种鎓盐、一种含有鎓盐和
纤维素的液体组合物以及一种回收
纤维素的方法。本发明可提供一种在 100° C 或更低温度下具有极高
纤维素溶解能力的鎓盐。本发明还提供了一种含有这种鎓盐和
纤维素的液体组合物,作为一种适用于回收
纤维素的组合物,以及一种通过使用这种含有鎓盐和
纤维素的液体组合物来高效回收
纤维素的方法。