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Fabrication of cross-linked starch-based nanofibrous mat with optimized diameter, TAPPI JOURNAL June 2019
ABSTRACT: The design and synthesis of natural and synthetic polymer blends have received recent and wide attention. These new biomaterials exhibit progress in properties required in the field of medicine and healthcare. Herein, the aim of present study is to fabricate starch (ST)/polyacrylic acid (PAA) electrospun nanofibrous mat with a smooth and uniform morphology, lowest fiber diameter (below 100 nm) and the highest possible starch content. Starch itself is poor in process-ability, and its electrospinning could be quite a challenging process. To address this, we carried out the response surface methodology (RSM) technique for modelling the electrospinning process. In order to have ST/PAA nanofibers with the finest possible diameter, optimized processing parameters (applied volt-age, nozzle-collector distance and feed rate) obtained from RSM technique were applied. ST/PAA electrospun nano-fibers with an average diameter of 74±13 nm were successfully achieved via the electrospinning method for the first time. The structure, preparation and properties of the nanofibrous structure were discussed. Results indicated that drug loaded ST/PAA blend nanofibrous structure has a great potential to be used in controlled drug release systems.
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A study of the softness of household tissues using a tissue softness analyzer and hand-felt panels, TAPPI Journal March 2019
ABSTRACT: This study applied the reciprocal matrix approach to deduce the correlation between hand-felt (HF) and tissue softness analyzer (TSA) instrumental measurements of tissue softness. The research was conducted in three phases, which are discussed separately. In the phase one study, results indicated that systematic collection of samples and preparation of test specimens were the foundation of successful tests. TSA-HF and tensile strength exhibited a strong negative correlation. In the future, same-unit physical properties can provide a basis for discuss-ing the commonality and complementary natures of hand-felt and TSA softness measurements. In phase two, through the reciprocal matrix approach, subjective softness assessments performed by humans were reliably quan-tified. The quantified values were further applied to a statistical analysis using the t-test to distinguish and train pro-fessional panelists. In phase three of HF panel test results, all independent panels were compared to one another under a uniform scale established by four standard samples. The calibrated HF panel values were incorporated with TSA-HF results to establish technical curves between the softness and tensile strength, which were helpful for onsite workers to carry out process controls.
Journal articles
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Editorial: TAPPI Journal 2018 Best Research Paper delves deeper into press section rewet to address drying efficiency, TAPPI Journal March 2019
ABSTRACT: TAPPI and the TAPPI Journal (TJ) Editorial Board would like to congratulate the authors of the 2018 TAPPI Journal Best Research Paper Award: J. David “Dave” McDonald and Richard J. “Dick” Kerekes. Their paper, “Rewet in wet pressing of pa-per,” appeared on p. 479 of the September 2018 issue. This research was recognized by the Editorial Board for its in-novation, creativity, scientific merit, and clear expression of ideas.
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Characterization and evaluation of antioxidation of lignin from bamboo powder using a formic acid-catalyzed ethanol organosolv process, TAPPI JOURNAL January 2019
Characterization and evaluation of antioxidation of lignin from bamboo powder using a formic acid-catalyzed ethanol organosolv process, TAPPI JOURNAL January 2019
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Adsorption performance of magnetic aminated lignin for the removal of Cu(II) and Cd(II), TAPPI Journal January 2019
Adsorption performance of magnetic aminated lignin for the removal of Cu(II) and Cd(II), TAPPI Journal January 2019
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Discrete element method to predict coating failure mechanisms, TAPPI JOURNAL January 2018
Discrete element method to predict coating failure mechanisms, TAPPI JOURNAL January 2018
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Slot die coating of nanocellulose on paperboard, TAPPI Journal January 2018
Slot die coating of nanocellulose on paperboard, TAPPI Journal January 2018
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An effective method for determining the retention and distribution of cellulose nanofibrils in paper handsheets by dye labeling, TAPPI JOURNAL March 2018
An effective method for determining the retention and distribution of cellulose nanofibrils in paper handsheets by dye labeling, TAPPI JOURNAL March 2018
Journal articles
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On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018
On the nominal transverse shear strai to characterize the severity of creasing, TAPPI JOURNAL April 2018
Journal articles
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Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018
Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018