One-step melt blowing process for PP/PEG micro-nanofiber filters with branch networks

Zhang, Heng; Zhen, Qi; Liu, Yong; Liu, Rangtong; Zhang, Yifeng

doi:10.1016/j.rinp.2019.01.012

Cited by 33 publications

(27 citation statements)

References 23 publications

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“…For example, in 2019, Deng et al prepared a multi-scale micro/nano fiber membrane by adding polystyrene (PS) to polypropylene (PP) during the meltblowing process, and the average fiber diameters of the crude and fine fibers were about 8 and 1 μm, respectively [11]. In 2019, Zhang et al fabricated nonwoven micro/nano fibers with a branch structure by adding polyethylene glycol (PEG) to polypropylene (PP) during the meltblowing process, and showed that the microfibers can be as high as 10 μm in diameter and the fine fibers can be as small as 200 nm [12]. In 2018, Soltani et al mixed water-soluble polymer, sulfonated poly(ethylene terephthalate) (SP), hydrophilic polybutylene terephthalate (PBT), and hydrophobic polyvinylidene fluoride (PVDF) meltblown, and then washed away SP post-treatment to produce a fiber diameter of 200 nm [13].…”

Section: Introductionmentioning

confidence: 99%

One-Step Bark-Like Imitated Polypropylene (PP)/Polycarbonate (PC) Nanofibrous Meltblown Membrane for Efficient Particulate Matter Removal

Cen

Ren

et al. 2019

Polymers

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A bark-like imitated polypr opylene (PP)/polycarbonate (PC) nanofibrous membrane was constructed by one-step meltblown technique for efficient particulate matter (PM) removal. The effects of PC content (0%, 1%, 3%, 5%, and 7%) on membrane thermal stability, microscopic characteristics, filtration performance, hydrophilicity, and water vapor transmission were investigated. The results demonstrated that using facile design of incompatibility and viscosity difference between PC and PP polymers decreases average fiber diameter, creating a bark-like groove appearance and increasing surface potential, making a new PP/PC membrane with high filtration performance. The resultant PP/PC membrane had finer average fiber diameter of 0.63 μm, which was nearly 89.41% lower than PP membranes (5.95 μm), and its quality factor (0.036 Pa−1) was nearly 2.12 times than that of PP membranes (0.017 Pa−1) with the die hole diameter of 0.5 mm. This fabrication technique of a special meltblown filter membrane saves the cost of die retrofitting and post-processing, which provides an innovative method for particulate efficient removal of high efficient filters.

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Section: Introductionmentioning

confidence: 99%

One-Step Bark-Like Imitated Polypropylene (PP)/Polycarbonate (PC) Nanofibrous Meltblown Membrane for Efficient Particulate Matter Removal

Cen

Ren

et al. 2019

Polymers

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“…a) Schematic illustration of the melt‐blown method, b) zoomed image of the drawing draft of melt‐blown setup, c) SEM images of different samples of fibers mats prepared through the melt‐blown method, and d) pictorial presentation of embedded and individual microfiber and nanofiber mats. Reproduced with permission . Copyright 2019, Elsevier B.V.…”

Section: Separator Preparation Methodologiesmentioning

confidence: 99%

Recent Development in Separators for High‐Temperature Lithium‐Ion Batteries

Waqas

Ali

Feng

et al. 2019

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metric tons of carbon dioxide (CO 2 ) and other pollutants per year, which accelerate global warming and major climate changes. [2] In order to mitigate these serious issues caused by fossil fuels and to compete with the energy generating devices based on fossil fuels, renewable energy sources like solar energy, wind energy, bioenergy, and geothermal energy are potential alternative power resources. However, these renewable energy resources need highly efficient energy storage devices for integrating and well distribution of energy. Rechargeable battery technology with high energy, high power density, long life cycle capability, fast cycling rate, and reasonable cost is the possible solution to store energy obtained from these renewable sources. [3] Among many rechargeable energy storage devices, lithium-ion batteries (LIBs) are the promising energy sources for integrating renewable resources and high power applications, owing to high energy density, lightweight, high flexibility, slow self-discharge rate, high rate charging capability, long battery life, and environmental benignity. [4,5] The aforementioned attractive properties of rechargeable LIBs promote its utilization in the wide range of applications like laptops, cell phones, electric vehicle, hybrid electric vehicles, renewable power stations, stationary electric power, defense arsenal, subsurface exploration, thermal reactors, and space vehicles. [6][7][8][9] From the last 30 years, rapid development has been observed in LIBs technology. Presently, LIBs hold twofold energy density as compared to the first commercial LIBs developed by Sony in 1991, but still, there are some challenges associated with LIBs that need to be solved for achieving high power density and efficient performances at high and low temperatures. Safety, cost, and enhancement in energy and power densities are the major concerns in next generation LIBs. [10][11][12] Separator is one of the important components of LIBs that is not directly involved in the electrochemical reaction, however, its properties, structure, and composition greatly influence the performance of batteries with respect to internal resistance, long cycle performances, high capacity, and safety. [13] The basic functions of the separator are to prevent the contact between anode and cathode to avoid internal short circuits, store liquid electrolyte, and permit the migration of ions during the chargedischarge process. [14][15][16] The ideal separator should possess Lithium-ion batteries (LIBs) are promising energy storage devices for integrating renewable resources and high power applications, owing to their high energy density, light weight, high flexibility, slow self-discharge rate, high rate charging capability, and long battery life. LIBs work efficiently at ambient temperatures, however, at high-temperatures, they cause serious issues due to the thermal fluctuation inside batteries during operation. The separator is a key component of batteries and is crucial for the sustainability of LIBs at high-temperatures. Th...

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“…The pressure drop pertains to the structure of samples, and the parameters do not alter the structure. Zhang et al found that the quality factor of commercially available melt-blown fabrics was 0.033 Pa −1 [31]. In comparison, the proposed electret melt-blown fabrics outperform the commercially available ones in terms of filtration efficiency.…”

Section: Filtration Efficiencymentioning

confidence: 97%

“…where Qf is the quality factor, E is the filter efficacy, and ΔP is the reduction voltage [31]. The quality factor is improved with a greater ratio of TiO2 or higher electric field intensity ( Figure 8).…”

Section: Filtration Efficiencymentioning

confidence: 99%

Filtration Efficiency of Electret Air Filters Reinforced by Titanium Dioxide

et al. 2020

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In this study, titanium dioxide (TiO2), a mineral with a potential and supercapacitor, is used as the reinforcing material to improve the filtration efficacy of electret melt-blown fabrics. Next, the electret melt-blown fabrics are evaluated in terms of surface voltage and filtration efficiency, thereby examining the influences of the TiO2 ratio and electric field intensity. The test results indicate that the filtration efficiency is proportional to the ratio of TiO2 and electric field intensity. In particular, with a TiO2 ratio of 3 wt% and an electric field intensity of 2.5 kV/cm, the electret melt-blown fabrics demonstrate a maximal filtration efficiency of 96.32%, a lowest pressure drop of 40 Pa, and an optimal quality factor of 0.083 Pa−1.

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One-step melt blowing process for PP/PEG micro-nanofiber filters with branch networks

Cited by 33 publications

References 23 publications

One-Step Bark-Like Imitated Polypropylene (PP)/Polycarbonate (PC) Nanofibrous Meltblown Membrane for Efficient Particulate Matter Removal

One-Step Bark-Like Imitated Polypropylene (PP)/Polycarbonate (PC) Nanofibrous Meltblown Membrane for Efficient Particulate Matter Removal

Recent Development in Separators for High‐Temperature Lithium‐Ion Batteries

Filtration Efficiency of Electret Air Filters Reinforced by Titanium Dioxide

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