Nanofibrous Membranes with High Air Permeability and Fluffy Structure based on Low Temperature Electrospinning Technology

Lin, Siying; Huang, Xiang; Bu, Zhenxiang; Lin, Zhihong; Xie, Peiqin; Lin, Xiaochen; Wang, Lingyun; Lv, Wenting

doi:10.1007/s12221-020-9904-x

Cited by 7 publications

(3 citation statements)

References 35 publications

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“…On the opposite side Lin et al, 2019, studied the effect of low temperatures by electrospinning membranes from polyvinylidene fluoride (PVDF) dissolved at 6% in N-methylpyrrolidone (NMP) and acetone, a potential difference of 6 to 8 kV and a flow of 200 to 400 μL for 6 h were applied, the experiment was conducted at room temperature, however, the collector was cooled to −9 °C. It was determined that the porosity of the membrane can increase up to three times and that the pressure drop can decrease up to five times compared to membranes produced at 25 °C [ 160 ].…”

Section: Nude Electrospun Nanofibersmentioning

confidence: 99%

Nude and Modified Electrospun Nanofibers, Application to Air Purification

et al. 2023

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Air transports several pollutants, including particulate matter (PM), which can produce cardiovascular and respiratory diseases. Thus, it is a challenge to control pollutant emissions before releasing them to the environment. Until now, filtration has been the most efficient processes for removing PM. Therefore, the electrospinning procedure has been applied to obtain membranes with a high filtration efficiency and low pressure drop. This review addressed the synthesis of polymers that are used for fabricating high-performance membranes by electrospinning to remove air pollutants. Then, the most influential parameters to produce electrospun membranes are indicated. The main results show that electrospun membranes are an excellent alternative to having air filters due to the versatility of the process, the capacity for controlling the fiber diameter, porosity, high filtration efficiency and low-pressure drop.

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Section: Nude Electrospun Nanofibersmentioning

confidence: 99%

Nude and Modified Electrospun Nanofibers, Application to Air Purification

et al. 2023

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“…Moreover, it establishes the foundation for its role as a pressure sensor. 33,34 Threedimensional fluffy nanofiber materials are becoming a trendsetter in emerging fields such as wearable electronic devices and intelligent robots with their unique advantages. 35−37 However, the process of preparing three-dimensional fluffy nanofiber materials is often complex and inefficient.…”

Section: Introductionmentioning

confidence: 99%

“…Electrostatically spun three-dimensional fluffy nanofiber materials have larger internal space, higher porosity, and a more coherent internal void structure than normal compact electrostatically spun films. − The superior internal structure not only provides more favorable channels for the transfer of water molecules but also improves the breathability and lightness of the sensor. Moreover, it establishes the foundation for its role as a pressure sensor. , Three-dimensional fluffy nanofiber materials are becoming a trendsetter in emerging fields such as wearable electronic devices and intelligent robots with their unique advantages. − However, the process of preparing three-dimensional fluffy nanofiber materials is often complex and inefficient. , In this context, an in-depth study of material combinations and structures as well as process routes is of great scientific and engineering importance for the development of advanced multifunctional sensors. , …”

Section: Introductionmentioning

confidence: 99%

Two-Step Preparation of 3D Fluffy, Single-Sided Composite Nanofiber Skeleton with Continuous Internal Network for Multifunctional Sensing

Yan,

Xin,

Zhu

et al. 2024

ACS Appl. Nano Mater.

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The development of a method for preparing a healthy, comfortable, and nontoxic multifunctional sensor is scientifically significant for enhancing its comprehensive performance and expanding its application areas. This work overcomes the limitations of traditional electrostatic spinning of two-dimensional fibrous membranes and successfully produces nanofibrous membranes (NFMs) with three-dimensional fluffiness and interlayer porosity. Subsequently, polyaniline (PANI) is unilaterally in situ polymerized on NFM to create a flexible wearable device (PNFM) for multifunctional sensing. The staggered interconnection structure of PNFM exhibits excellent reticular connectivity and a high specific surface area, forming a micro-and nanotransportation network for efficient water molecule transport. The one-sided polymerization of PANI and the unique threedimensional structure of PNFM prevent direct contact between PANI and human skin, minimizing the loss of PANI's moisture sensitivity and conductivity. PNFM sensors are capable of simultaneously sensing humidity and pressure, providing valuable insights into the development of advanced wearable electronic devices.

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Bio‐degradable fibrous membranes for oil/water separation by melt electrospinning

Li,

Zhang,

et al. 2024

J of Applied Polymer Sci

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Various electrospun fibrous membranes have been addressed for oil/water separation owing to their advantages of high specific surface ratio, lightweight, and high porosity. However, they are commonly obtained by solution electrospinning of non‐green raw materials, which could cause serious environmental issues. To realize effective oil/water separation, the optimal processing parameters for melt electrospun polylactic acid (PLA) were determined through orthogonal experiments. Subsequently, PLA fibrous films with cellulose nanofiber (CNF) or sodium chloride (NaCl) for oil/water separation were produced via melt electrospinning. The effects of incorporating CNF or NaCl on the physiochemical properties of melt electrospun PLA fibrous membranes were investigated. In contrast to the pure PLA membranes, the obtained PLA/CNF and PLA/NaCl composite membranes exhibit a finer average fiber diameter and an increased porosity. Also, the oil absorption characteristics and oil/water separation abilities of these fibrous membranes were experimentally studied. In contrast to the 84.55% oil/water separation efficiency of melt‐electrospun PLA fibrous membranes, PLA/CNF exhibits the highest oil/water separation efficiency at 93.54%, whereas PLA/NaCl achieves a maximum efficiency of 90.29%. These findings show the applicability of the eco‐friendly PLA‐based melt electrospun fibrous membrane in the treatment of oily wastewater.

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Nanofibrous Membranes with High Air Permeability and Fluffy Structure based on Low Temperature Electrospinning Technology

Cited by 7 publications

References 35 publications

Nude and Modified Electrospun Nanofibers, Application to Air Purification

Nude and Modified Electrospun Nanofibers, Application to Air Purification

Two-Step Preparation of 3D Fluffy, Single-Sided Composite Nanofiber Skeleton with Continuous Internal Network for Multifunctional Sensing

Bio‐degradable fibrous membranes for oil/water separation by melt electrospinning

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