Sacui, I.
and Gilman, J.
(1970),
Characterizing and Fractionating Native Cellulose Nanofibers, 244th ACS National Meeting, Division of Cellulose and Renewable Materials, Philadelphia, PA
(Accessed October 31, 2024)
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Characterizing and Fractionating Native Cellulose Nanofibers
Author(s)
,
Abstract
Cellulose nanofibers have good elastic modulus properties and can be used as nano-reinforcements in polymer composites. Native cellulose nanofibers from wood, Tunicate, and bacteria (Acetobacter xylium) were characterized by atomic force microscopy (AFM) to determine surface topography, aspect-ratio, and modulus. AFM imaging shows that cellulose nanofibers obtained through acid hydrolysis are short rigid rods, while nanofibers obtained through enzymatic hydrolysis and TEMPO-oxidation are longer, more flexible rods. In all of these cases, the nanofibers have a wide size distribution (length 100-1000 nm). We are currently developing a method for aspect-ratio fractionation. These aspect-ratio fractionated nanofibers can be added to a polymer and toughening capabilities measured.Proceedings Title
244th ACS National Meeting, Division of Cellulose and Renewable Materials
Conference Dates
August 19-23, 2012
Conference Location
Philadelphia, PA
Pub Type
Conferences
Citation
Issues
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Created May 7, 2017, Updated February 19, 2017