Electrospun Polyvinyl Alcohol Composite Nonwovens for Air Filtration Materials in the Humidity Environment 


Vol. 23,  No. 3, pp. 690-698, Mar.  2022
10.1007/s12221-022-3418-7


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  Abstract

Nanofibrous composite polyvinyl alcohol (PVA) nonwovens were prepared by the electrospinning of PVA on polyethylene terephthalate spunbond nonwoven for an air filter media. PVA nanofibers were insolubilized by annealing at 150-170 oC for 10 minutes, using citric acid (CA) as a green crosslinking agent. The water stability of PVA nonwovens increased as the amount of CA or annealing temperature was increased. However, there were no significant changes in average fiber diameters, pore sizes, and filtration efficiencies depending on crosslinking conditions. Humidification resulted in the permanent deformation and the reduction of filtration performances. The amount of CA and annealing temperature had significant effects on the resistance to humidity. Composite PVA nonwovens including 12 wt% CA and annealed 160 oC or higher maintained the original filtration performance even after the humidification. Considering the filtration performances and the water- and moisture-resistance, crosslinked composite PVA nonwovens seemed to have the potential for air filtration materials.

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  Cite this article

[IEEE Style]

G. Kim, S. J. Doh, Y. Kim, H. J. Oh, G. D. Lee, J. N. Im, "Electrospun Polyvinyl Alcohol Composite Nonwovens for Air Filtration Materials in the Humidity Environment," Fibers and Polymers, vol. 23, no. 3, pp. 690-698, 2022. DOI: 10.1007/s12221-022-3418-7.

[ACM Style]

GaYeun Kim, Song Jun Doh, Yoonjin Kim, Hyun Ju Oh, Gyu Dong Lee, and Jung Nam Im. 2022. Electrospun Polyvinyl Alcohol Composite Nonwovens for Air Filtration Materials in the Humidity Environment. Fibers and Polymers, 23, 3, (2022), 690-698. DOI: 10.1007/s12221-022-3418-7.

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