This study aimed at investigating thein fluence of the “reaction time” and the “fiber/acid ratio” on the
properties of nanocrystalline cellulose isolated from corn husk,which was chosen because it is abundant
and so far it has not been extensively investigated as araw-material option to produce nanocrystalline cellulose. The results showed that corn husk can be used to produce nanocrystalline celluloseand also that reaction time affected the crystallinity index,particle size and thermal stability of the products.
Additionally,aninteraction between the reaction time and fiber/acid ratioonthecry stallinity degree
was observed.When dried by a spray-drying technique,the nanocrystalline cellulose aqueous dispersion
produced agglomerates of particles with spherical and irregular shapes.