Preparation of Controllable Conductive Switchable Material Based on Nanocellulose Modified by Ionic Liquid

The present invention relates to preparation of a controllable conductive switchable material based on nanocellulose modified by an ionic liquid. The present application adopts nanocellulose as a raw material for preparation and ionic liquid for modification， so that the nanocellulose becomes a material having a CO 2 response switching performance. The treatment enables the nanocellulose material to have the characteristics of conversion of physical and chemical properties including polarity conversion， conductivity conversion and pH conversion， etc.， thus expanding the application range of the nanocellulose material. The present invention is simple to operate， has an obvious effect， strong practicability， and little pollution， and has a prospect of wide application.

本发明涉及一种基于离子液体（ionic liquid）改性纳米纤维素（nanocellulose）的可控导电开关材料的制备。本申请以纳米纤维素为制备原料，采用离子液体对其进行改性，使纳米纤维素获得CO₂响应型开关性能。该改性处理可使纳米纤维素材料具备极性转变、导电率转变及pH值转变等理化性质转换特性，进而拓展了纳米纤维素材料的应用范围。本发明操作简便、效果显著、实用性强且污染极低，具备广阔的应用前景。