Filtration media: Advantages of nanofibre coating technology

Wertz, J.A.; Schneiders, Immo

doi:10.1016/s0015-1882(09)70156-9

Cited by 14 publications

(13 citation statements)

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“…It is a long filament with a typical lateral dimension of less than 100 nm and a longitudinal dimension of several microns. It has found wide applications in areas such as tissue engineering (Bodin et al 2007), wound dressing (Brown Jr et al 2006;Czaja et al 2006), filtration media (Wertz and Schneiders 2009), electronics devices (Nogi and Yano 2008), carbon nanofiber production (Jazaeri et al 2011), and hydrophobic coating (Arbatan et al 2012). In order to realize wide-spread applications of cellulose nanofiber, it is critical to develop a rapid and economical production method.…”

Section: Introductionmentioning

confidence: 99%

Preparation of cellulose nanofiber from softwood pulp by ball milling

2015

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This paper reports the possibility of producing cellulose nanofiber from softwood pulp using a simple ball milling technique under ambient pressure and at room temperature. The effects of milling conditions including the ball-to-cellulose mass ratio, milling time, ball size and alkaline pretreatment were investigated. It was found that milling-ball size should be carefully selected for producing fibrous morphologies instead of particulates. Milling time and ball-tocellulose mass ratio were also found important to control the fiber morphology. Alkali pre-treatment helped in weakening hydrogen bonds between cellulose fibrils and removing small particles, but with the risks of damaging the fibrous morphology. In a typical run, cellulose nanofiber with an average diameter of 100 nm was obtained using soft mechanical milling conditions using cerium-doped zirconia balls of 0.4-0.6 mm in diameter within 1.5 h without alkaline pretreatment.

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Section: Introductionmentioning

confidence: 99%

Preparation of cellulose nanofiber from softwood pulp by ball milling

2015

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“…Among them are force spinning, rotary jet spinning, melt blown spinning, phase separation, and magneto spinning. Some of the companies at the forefront of these technologies include Hollingsworth & Vose (USA) is using melt blown technology as according to the patent number US20090120048 A1 to make commercial nanofiber coating technology . One of their brands NanoWave is applied in a number of areas including gas turbine dust collection, heating, ventilation and air conditioning (HVAC) air filtration, fuel filtration, and lube filtration. XanoFi (USA) of the XanoShear technology is a liquid‐based method that is a little similar to traditional wet spinning procedure where a polymer dissolved in a solvent is drawn through a solution containing an antisolvent.…”

Section: Raising Nanofiber Throughputmentioning

confidence: 99%

Raising Nanofiber Output: The Progress, Mechanisms, Challenges, and Reasons for the Pursuit

Akampumuza

Gao

Zhang

et al. 2017

Macro Materials & Eng

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The paper discusses the extent to the scale of the electrospun fiber membrane. Literatures show that two distinct methods of raising electrospun nanofiber production can be employed via spinning from a setup of multiple nozzles arranged side by side or from an expanse of polymer solution (needleless electrospinning). Both of these methods are thoroughly explored by considering the variations available within either of their respective productivities. Their mechanisms are duly dealt with by looking at principles and parameters behind the process performances and an analysis of the strategies devised to deal with the shortcomings and ensure process feasibility is given. It has to be noted that most of the available work on electrospinning and their applications is achieved via single needle electrospinning. In this review, a projection is taken to be accomplished whether the nanofiber production can be consistently raised to commercial levels at the exceptional application routes so far produced by the conventional electrospinning means.

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“…Ding, Ogawa, Kim, Fujimoto, and Shiratori (2008) reported a new approach for producing a superhydrophobic nanofibrous zinc oxide (ZnO) film surface through a facile electrospinning coating method. Wertz and Schneiders (2009) coated randomly oriented nanofibers on substrates through electrospinning technology to improve depth filtration and pulse-cleaning ability. Lee et al (2009) obtained titanium dioxide-coated nanofiber filters by electrospraying a suspension of nanocrystalline titanium dioxide onto the electrospinning nanofibers.…”

Section: Introductionmentioning

confidence: 99%

Continuous nanofiber coated hybrid yarn produced by multi-nozzle air jet electrospinning

Zhou

Wang

et al. 2016

The Journal of The Textile Institute

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Multi-nozzle air jet electrospinning was used to produce continuous viscose filament/polyvinylidenefluoride (PVDF) nanofiber hybrid yarns. The production of PVDF nanofibers using this method was based on the principle that the rupture of bubbles results in multiple jet flows. Nanofibers ejected from multiple nozzles were gathered and bundled by conjugate electrospinning and were then twisted on the surface of a filament yarn through the rotation of a metal funnel. The structures and properties of the hybrid yarn were characterized, and spinning mechanism of this novel method was analyzed. The experimental results obtained in this study showed that PVDF nanofibers were perfectly coated on the filament yarn surface with a good orientation and displayed uniform twist distribution with a twist angle of 24.3°, as well as PVDF nanofibers integrated with the core yarn well. After coating with twisted PVDF nanofibers, the mechanical properties of the yarn improved significantly. The stress and strain of the yarn at break increased from 19.39 MPa and 15.83% to 30.82 MPa and 19.81%, respectively. In addition, the hybrid yarn contact angle reached 150° after coating with the twisted PVDF nanofibers, indicating a transformation of the yarn from hydrophilic to hydrophobic. The nanofiber-coated hybrid yarn produced herein can possibly be used as a self-cleaning fabric.

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Filtration media: Advantages of nanofibre coating technology

Cited by 14 publications

References 0 publications

Preparation of cellulose nanofiber from softwood pulp by ball milling

Preparation of cellulose nanofiber from softwood pulp by ball milling

Raising Nanofiber Output: The Progress, Mechanisms, Challenges, and Reasons for the Pursuit

Continuous nanofiber coated hybrid yarn produced by multi-nozzle air jet electrospinning

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