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Air Filter| Filter media| Nanofiber-Foshan MBRT Co., Ltd.
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Air Filter| Filter media| Nanofiber-Foshan MBRT Co., Ltd.
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Branched nanofibers with tiny diameters for air filtration via one-step electrospinning

In this study, by adding tetrabutylammonium chloride directly electrospinning diameter of less than 50 nm at a lower relative humidity polyvinylidene fluoride (PVDF), branched nanofibers. The results show that, based on the basis weight of PVDF branched nanofibers 1 g / m (2) an air filter at 126.17 Pa pressure drop with excellent filtration efficiency (99.999%) sodium chloride particles of 0.26μm.

Multifunctional and Efficient Air Filtration: A Natural Nanofilter Prepared with Zein and Polyvinyl Alcohol

In this work, polyvinyl alcohol (PVA) was used as an auxiliary spinning polymer, and zein-based nanofiber materials were prepared for air by changing the ratio of zein/polyvinyl alcohol and the degree of alcoholysis. filter. The results show that by controlling the content of zein and the degree of alcoholysis, the filtration efficiency of nanofibers can be effectively improved.

Toward understanding the evolution of incense particles on nanofiber filter media: Its influence on PM2.5 removal efficiency and pressure drop

Because the interaction between the particles and the nanofiber network expands the pores, the removal efficiency of PM2.5 first decreases as the load increases. The evolution of pressure drop can include two stages. A method to establish the empirical equations of PM2.5 removal efficiency and pressure drop with load quality is proposed.

Influence of fiber diameter, filter thickness, and packing density on PM2.5 removal efficiency of electrospun nanofiber air filters for indoor applications

In this work, 25 nylon electrospun nanofiber filters with different filter parameters were prepared to control variables. A total of 125 sets of measurement data were obtained. The results show that the PM2.5 removal efficiency of nylon electrospun nanofiber filter is negatively correlated with fiber diameter, and positively correlated with the thickness of the filter.

Bactericidal and antifouling electrospun PVA nanofibers modified with a quaternary ammonium salt and zwitterionic sulfopropylbetaine

The PVA nanofibers modified by IQAS (0.5%) can reach 99.9% against both Gram-positive Staphylococcus aureus (Staphylococcus aureus, ATCC 6538) and Gram-negative Escherichia coli (E. coli, ATCC 25922). In addition, live/dead staining and cytotoxicity tests show that the dual-function IQAS/ISB/PVA nanofibers exhibit excellent bactericidal and antifouling activities with low cytotoxicity.

Preparation and Properties of PVDF/Fe3O4 Nanofibers with Magnetic and Electret Effects and their Application in Air Filtration

The new N-halamine biopolymer P (ADMH-NVF) is firstly copolymerized by free radical copolymerization of N-vinylformamide (NVF) and 3-allyl-5,5-dimethylhydantoin (ADMH) Reaction synthesis, and then with polyvinyl alcohol (PVA) as the intermediate layer (PVA / P (ADMH-NVF)). This compound has good antibacterial properties, excellent toughness and very low pressure drop. Has a very good development prospects.

Preparation and Properties of PVDF/Fe3O4 Nanofibers with Magnetic and Electret Effects and their Application in Air Filtration

Here, a high-efficiency low-dropout nanofiber (NF) membrane with both electret effect and magnetic effect was developed and combined with glass fiber mesh and polyester (polyethylene terephthalate) mesh To prepare a NF anti-fog sandwich structure window screen. The results show that it has the advantages of high efficiency, low pressure drop, good breaking strength (6.32 MPa) and light transmittance.

Electret mechanisms and kinetics of electrospun nanofiber membranes and lifetime in filtration applications in comparison with corona-charged membranes

The electret mechanism, charge degradation kinetics and lifetime of electrospun membranes and corona charged membranes exposed to isopropanol vapor and high humidity in filtration applications were studied. The results show that in the electrospinning process, in addition to the surface charge, a volume charge is also formed in the deep level trap.

Polyvinylidene fluoride composite nanofibrous filter for high-efficiency PM2.5 capture

Through electrostatic spinning technique and technology into rotation the filter material is a thin polyvinylidene fluoride (PVDF), the nanofiber layer, thereby achieving a high performance and high productivity capture PM2.5 (1000 m (2) / day ) Bead thread spinneret. Composite filter having a higher air flow (278.4 mm / s) and lower pressure drop (30 Pa). Also has a certain degree of hydrophobicity, you can extend the life of the composite filter.

Biodegradable CA/CPB electrospun nanofibers for efficient retention of airborne nanoparticles

This work aims to evaluate the filtration performance of cellulose acetate (CA) nanofibers and the cationic surfactant cetyl pyridinium bromide (CPB), which are produced by electrospinning technology Made by retaining aerosol nanoparticles. The results show that it has antibacterial properties. And it is biodegradable.

Electrospun antibacterial poly(vinyl alcohol)/Ag nanoparticles membrane grafted with 3,3 ',4,4 '-benzophenone tetracarboxylic acid for efficient air filtration

The structurally stable and reusable PVA/AgNPs/BPTA film is considered to be a promising medical protection material, and it also has higher air permeability and antibacterial properties.

Laser induced porous electrospun fibers for enhanced filtration of xylene gas

This study reveals the first attempt to apply laser irradiation technology to the preparation of porous electrospun fibers with excellent low-concentration VOC gas adsorption properties. The results show that by controlling the degree of laser-induced carbonization, a porous carbon structure can be formed on the surface of the fiber membrane and exhibits high xylene gas adsorption efficiency.
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