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Post-modification of Cellulose Nanocrystal Aerogels with Thiol Ene Click Chemistry

TitlePost-modification of Cellulose Nanocrystal Aerogels with Thiol Ene Click Chemistry
Publication TypeJournal Article
Year of Publication2019
AuthorsAalbers, GJW, Boott, CE, D'Acierno, F, Lewis, L, Ho, J, Michal, CA, Hamad, WY, MacLachlan, MJ
Date PublishedJUL
Type of ArticleArticle

The functionalization of cellulose nanocrystal (CNC) aerogels was achieved through a two-step synthetic procedure. CNC aerogels were prepared under hydrothermal conditions, followed by solvent exchange and critical point drying. The CNC aerogels were functionalized with a methacrylate group and then underwent thiol-ene click chemistry to impart a range of functionalities onto the surface of the CNC aerogel. The use of the functionalized aerogels as oil absorbents was then investigated, with the most hydrophobic CNC aerogel, 1H,1H,2H,2H-perfluorodecanethiol-functionalized CNC aerogel, exhibiting the highest absorption of xylenes at 2.9 mL g(-1).