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Rheological behavior of magnetic pulp fiber suspensions, TAPPI Journal June 2021
ABSTRACT: This paper is focused on the rheology of magnetic pulp suspensions in absence and presence of an external magnetic field. Magnetic fibers were prepared by the lumen loading method using bleached eucalyptus fibers and cobalt ferrite (CoFe2O4) nanoparticles. The effect of mass consistency, temperature, concentration of magnetic fibers, and magnetic field strength on yield stress and apparent viscosity of the suspensions were investigated. In the absence of an applied field, a dependence of yield stress with consistency, as well as with the percentage of magnetic fibers present in the suspension, was found. In flow tests, all the suspensions exhibited shear-thinning behavior, showing that the viscosity is only affected by the consistency of the suspension. On the other hand, magnetorheological measurements show a negative effect of the applied magnetic field on the viscosity of the suspension.
Journal articles
Magazine articles
Paper coated with sonochemically synthesized zinc oxide nanoparticles: Enhancement of properties for preservation of documents, TAPPI JOURNAL January 2017
Paper coated with sonochemically synthesized zinc oxide nanoparticles: Enhancement of properties for preservation of documents, TAPPI JOURNAL January 2017
Journal articles
Thermal gravimetric analysis of in-situ crosslinked nanocellulose whiskers â?¢ poly(methyl vinyl ether-co-maleic acid) â?¢ polyethylene glycol, TAPPI JOURNAL April 2011
Thermal gravimetric analysis of in-situ crosslinked nanocellulose whiskers • poly(methyl vinyl ether-co-maleic acid) • polyethylene glycol, TAPPI JOURNAL April 2011
Journal articles
Nanocellulose in polymer composites and biomedical applications
Nanocellulose in polymer composites and biomedical applications, TAPPI JOURNAL June 2014
Journal articles
Editor's Note: Nanotechnology in the news, TAPPI JOURNAL July 2010
Editor's Note: Nanotechnology in the news, TAPPI JOURNAL July 2010
Journal articles
Nanolayer polymeric optical films, TAPPI JOURNAL, June 1992, Vol. 75(6)
Nanolayer polymeric optical films, TAPPI JOURNAL, June 1992, Vol. 75(6)
Journal articles
Magazine articles
Nanocellulose in Japan: An industrial perspective, TAPPI Journal April 2019
ABSTRACT: With the maturing of Japan’s economy, domestic demand for paper and paperboard is more likely to level off in the long term. Japanese paper companies are accelerating overseas production, especially in the emerging Asian markets, while strengthening competitiveness of domestic mills and developing new products. In Japan, we have always focused on emerging technologies and driving innovation in the pulp and paper industry. As a business definition, innovation does not equal innovative technology. Innovative technology can become innovation only when it is commercialized and used in industry.
Journal articles
Magazine articles
Investigation on the recycling of sulfuric acid from pretreatment of cellulose for nanocellulose preparation, TAPPI JOURNAL February 2020
ABSTRACT: Sulfuric acid is often used to pretreat cellulose prior to homogenization and conversion to nanocellulose. It would be economically significant to reuse the acid to close the overall value chain loop. The target of this work was to investigate the effect of recovery and recycling frequency of sulfuric acid from the pretreatments on the pretreatment yield of water-insoluble cellulose solid residue, and to explore the relationship between the nanocellulose size prepared by recovery of acid and number of cycles. The surface properties of the nanocelluloses were measured, including content of sulfate groups, absolute zeta potential, crystallinity, and thermal stability.
Journal articles
Nanoscale morphology of lignins and their chemical transformation products, TAPPI JOURNAL, March 1996, Vol. 79(3)
Nanoscale morphology of lignins and their chemical transformation products, TAPPI JOURNAL, March 1996, Vol. 79(3)
Journal articles
Market projections of cellulose nanomaterial-enabled products ? Part 1: Applications, TAPPI JOURNAL May 2014
Market projections of cellulose nanomaterial-enabled products ? Part 1: Applications, TAPPI JOURNAL May 2014
