Effect of processing parameters on the electrospinning of cellulose acetate studied by response surface methodology

Angel, Nicole; Guo, Liping; Yan, Feng; Wang, Hui; Kong, Lingyan

doi:10.1016/j.jafr.2019.100015

Cited by 76 publications

(67 citation statements)

References 24 publications

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“…The wide distribution of the fiber diameters is a common feature of ENFs, especially when highly volatile solvents are used [ 8 ]. Most of the histograms of the fiber diameter distribution are non-symmetric and right skewed, meaning the fiber distributions are rich in thinner fibers.…”

Section: Resultsmentioning

confidence: 99%

“…Among the strategies employed throughout industries for modifying wettability, the manipulation of the surface energy and surface roughness of thermoplastic polymers has been immensely studied. Numerous techniques, including layer-by-layer assembly, the sol-gel process, dip coating, spray coating, plasma treatment, and electrospinning, have been employed for manipulating the wettability of the polymeric surfaces [ 7 , 8 ]. Although the commonly employed strategy of manipulating surface roughness through a coating of nanoparticles of fluoropolymers, SiO 2 , TiO 2 , and ZnO, on the membrane surface was found to be successful, concerns exist about its stability and durability, as well as the potential toxicity to the environment [ 1 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

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Tunable Wettability of Biodegradable Multilayer Sandwich-Structured Electrospun Nanofibrous Membranes

et al. 2020

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This research aims to develop multilayer sandwich-structured electrospun nanofiber (ENF) membranes using biodegradable polymers. Hydrophilic regenerated cellulose (RC) and hydrophobic poly (lactic acid) (PLA)-based novel multilayer sandwich-structures were created by electrospinning on various copper collectors, including copper foil and 30-mesh copper gauzes, to modify the surface roughness for tunable wettability. Different collectors yielded various sizes and morphologies of the fabricated ENFs with different levels of surface roughness. Bead-free thicker fibers were collected on foil collectors. The surface roughness of the fine fibers collected on mesh collectors contributed to an increase in hydrophobicity. An RC-based triple-layered structure showed a contact angle of 48.2°, which is comparable to the contact angle of the single-layer cellulosic fabrics (47.0°). The polar shift of RC membranes on the wetting envelope is indicative of the possibility of tuning the wetting behavior by creating multilayer structures. Wettability can be tuned by creating multilayer sandwich structures consisting of RC and PLA. This study provides an important insight into the manipulation of the wetting behavior of polymeric ENFs in multilayer structures for applications including chemical protective clothing.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tunable Wettability of Biodegradable Multilayer Sandwich-Structured Electrospun Nanofibrous Membranes

et al. 2020

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“…The electrospinning setup was comprised of a high voltage generator (ES30P, Gamma High Voltage Research, Inc., Ormond Beach, FL, USA), a syringe pump (NE-300, New Era Pump Systems, Inc., Farmingdale, NY, USA), and a grounded aluminum foil as the collector. In the present study, the optimal spinning parameters to spin CA fibers were determined from our previous study [ 15 ]. Specifically, the spinning distance was held at 8 cm, the feed rate at 3 mL/h, and the voltage at 12 kV.…”

Section: Methodsmentioning

confidence: 99%

“…Cellulose acetate is a low-cost cellulose derivative produced via the acetylation of cellulose [ 12 , 13 ] with low thermal conductivity (−0.10 W/cmK) [ 14 ]. It was chosen as the fiber material in this study due to its advantageous mechanical properties, excellent fiber-forming ability, biodegradability, stability in water, and cost-effectiveness [ 13 , 15 ]. Electrospinning has become a popular method for the synthesis of micro- and nanofibrous materials due to the use of relatively simple manufacturing equipment, low spinning cost, variety of spinnable materials, and highly controllable processes [ 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

“…Electrospinning has become a popular method for the synthesis of micro- and nanofibrous materials due to the use of relatively simple manufacturing equipment, low spinning cost, variety of spinnable materials, and highly controllable processes [ 16 , 17 ]. Moreover, micro- to nanoscale fibers display a high surface-area-to-volume ratio, good flexibility, high porosity, and superior stiffness and tensile strength than when compared to other forms of the spun material [ 15 ]. Note that, for the seawater desalination application, the heavy toxic metal element, i.e., Cd, may diffuse into the water via photocorrosion and lead to water contamination.…”

Section: Introductionmentioning

confidence: 99%

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Electrospun Cadmium Selenide Nanoparticles-Loaded Cellulose Acetate Fibers for Solar Thermal Application

et al. 2020

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Solar thermal techniques provide a promising method for the direct conversion of solar energy to thermal energy for applications, such as water desalination. To effectively realize the optimal potential of solar thermal conversion, it is desirable to construct an assembly with localized heating. Specifically, photoactive semiconducting nanoparticles, when utilized as independent light absorbers, have successfully demonstrated the ability to increase solar vapor efficiency. Additionally, bio-based fibers have shown low thermal conductive photocorrosion. In this work, cellulose acetate (CA) fibers were loaded with cadmium selenide (CdSe) nanoparticles to be employed for solar thermal conversion and then subsequently evaluated for both their resulting morphology and conversion potential and efficiency. Electrospinning was employed to fabricate the CdSe-loaded CA fibers by adjusting the CA/CdSe ratio for increased solar conversion efficiency. The microstructural and chemical composition of the CdSe-loaded CA fibers were characterized. Additionally, the optical sunlight absorption performance was evaluated, and it was demonstrated that the CdSe nanoparticles-loaded CA fibers have the potential to significantly improve solar energy absorption. The photothermal conversion under 1 sun (100 mW/cm2) demonstrated that the CdSe nanoparticles could increase the temperature up to 43 °C. The CdSe-loaded CA fibers were shown as a feasible and promising hybrid material for achieving efficient solar thermal conversion.

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Applications of Electrospun Membranes Immobilized with Biosorbents for the Removal of Contaminants

Kaleekkal,

Purushothaman,

Nandu

2021

Biosorption for Wastewater Contaminants

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Effect of processing parameters on the electrospinning of cellulose acetate studied by response surface methodology

Cited by 76 publications

References 24 publications

Tunable Wettability of Biodegradable Multilayer Sandwich-Structured Electrospun Nanofibrous Membranes

Tunable Wettability of Biodegradable Multilayer Sandwich-Structured Electrospun Nanofibrous Membranes

Electrospun Cadmium Selenide Nanoparticles-Loaded Cellulose Acetate Fibers for Solar Thermal Application

Applications of Electrospun Membranes Immobilized with Biosorbents for the Removal of Contaminants

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