Liquid crystalline behavior of aqueous suspensions of sulfonated cellulose nanocrystals (CNCs) has been largely investigated. Characteristics of CNCs including particle morphologies, surface properties, suspension’s ionic strength and temperature are important factors affecting CNC phase behavior. Moreover, blending CNCs with other molecules such as glucose, 2-hydroxyethyl methacrylate, etc has been shown to affect their phase behavior.  In this work, we aim to get some insight on the impact of lignin on the liquid crystalline behavior of CNCs, with the ultimate goal to design and process   template lignin/CNCs nanocomposites.   We therefore first study the impact  of  vanillin, as a model compound of lignin, on the liquid crystalline behavior of CNCs.   In particular the rheological and phase behavior of vanillin/CNCs in aqueous solutions is reported.

Impact of vanillin on the rheological and phase behavior of Cellulose Nanocrystals (CNCs)

253rd National Meeting (2017)

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