The Study of Intermolecular Inclusion in Cellulose Physical Gels

Jiufang Duan, Jianxin Jiang, Chunrui Han, Jun Yang, Liujun Liu, Jianzhang Li

Abstract


In this study, cellulose possessing β-cyclodextrin (β-CD) is employed as a host molecule, and cellulose possessing ferrocene (Fc) is used as a guest polymer. The properties due to the host-guest interactions are presented. The results show that β-CD-cellulose and Fc-cellulose can form inclusion complexes wherein hydrophobic interaction caused by β-CD-cellulose and Fc-cellulose significantly affect the performance of the cellulose gel. A physical gel based on cellulose that can autonomously heal between cut surfaces after 24 h was formed under mild conditions. Moreover, ferrocene redox status affects the hydrophobic interaction, such that the hydrophobic interaction can strengthen the gel strength and affect the self-healing property.

Keywords


Cellulose; Hydrogel; Cyclodextrin; Ferrocene

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