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Title: Nanofibrillated cellulose from appalachian hardwoods logging residues as template for antimicrobial copper

Source: Journal of Nanomaterials. 2017(3): 1-14

Author(s)Hassanzadeh, Masoumeh; Sabo, Ronald; Rudie, Alan; Reiner, Richard; Gleisner, Roland; Oporto, Gloria S.

Publication Year: 2017  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-1B  FPL-4709-2B

Abstract: TEMPO nanofibrillated cellulose (TNFC) fromtwo underutilized Appalachian hardwoods, Northern red oak (Quercus rubra) and yellow poplar (Liriodendron tulipifera), was prepared to determine its feasibility to be used as template for antimicrobial metallic copper particles. In addition, a comparison of the TNFC from the two species in terms of their morphological, chemical, thermal, and mechanical properties was also performed. The woody biomass was provided in the form of logging residue from Preston County, West Virginia. A traditional kraft process was used to produce the pulp followed by a five-stage bleaching. Bleached pulps were then subjected to a TEMPO oxidation process using the TEMPO/NaBr/NaClO system to facilitate the final mechanical fibrillation process and surface incorporation ofmetallic copper.The final TNFC diameters for red oak and yellow poplar presented similar dimensions, 3.8 ± 0.74nm and 3.6 ± 0.85 nm, respectively. The TNFC films fabricated from both species exhibited no statistical differences in both Young’s modulus and the final strength properties. Likely, after the TEMPO oxidation process both species exhibited similar carboxyl group content, of approximately 0.8mmol/g, and both species demonstrated excellent capability to incorporate antimicrobial copper on their surfaces.

Keywords: Nanofibrillated cellulose; TEMPO oxidation process; Appalachian hardwood; Copper Nanoparticles; Red oak; Yellow poplar

Publication Review Process: Formally Refereed

File size: 4,096 kb(s)

Date posted: 08/30/2017

This publication is also viewable on Treesearch:  view
RITS Product ID: 85749
Current FPL Scientists associated with this product (listed alphabetically)
Rudie, Alan W.
Supervisory Research Chemist
Sabo, Ronald C.
Research Materials Engineer
 

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