scholarly journals Non-Woven Fabrics Based on Nanocomposite Nylon 6/ZnO Obtained by Ultrasound-Assisted Extrusion for Improved Antimicrobial and Adsorption Methylene Blue Dye Properties

Polymers ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 1888
Author(s):  
M. Andrade-Guel ◽  
C. A. Ávila-Orta ◽  
C. Cabello-Alvarado ◽  
G. Cadenas-Pliego ◽  
S. C. Esparza-González ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Methylene Blue ◽  
Zno Nanoparticles ◽  
Nylon 6 ◽  
Woven Fabrics ◽  
Woven Fabric ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Melt Blowing ◽  
Ultrasound Assisted

Approximately 200,000 tons of water contaminated with dyes are discharged into effluents annually, which in addition to infectious diseases constitute problems that afflict the population worldwide. This study evaluated the mechanical properties, surface structure, antimicrobial performance, and methylene blue dye-contaminant adsorption using the non-woven fabric manufactured by melt-blowing. The non-woven fabrics are composed of nylon 6 (Ny 6) and zinc oxide nanoparticles (ZnO NPs). The polymer nanocomposites were previously fabricated using variable frequency ultrasound assisted-melt-extrusion to be used in melt-blowing. Energy dispersion spectroscopy (SEM-EDS) images showed a homogeneous dispersion of the ZnO nanoparticles in nylon 6. The mechanical properties of the composites increased by adding ZnO compared to the nylon 6 matrix, and sample Ny/ZnO 0.5 showed the best mechanical performance. All fabric samples exhibited antimicrobial activity against S. aureus and fungus C. albicans, and the incorporation of ZnO nanoparticles significantly improved this property compared to pure nylon 6. The absorption efficiency of methylene blue (MB), during 60 min, for the samples Ny/ZnO 0.05 and Ny/ZnO 0.25 wt%, were 93% and 65%, respectively. The adsorption equilibrium data obeyed the Langmuir isotherm.

Composite of acicular rod-like ZnO nanoparticles and semiconducting polypyrrole photoactive under visible light irradiation for methylene blue dye photodegradation

2015 ◽  
Vol 293 (12) ◽  
pp. 3459-3469 ◽  
Author(s):  
Víctor M. Ovando-Medina ◽  
Raúl G. López ◽  
Blanca E. Castillo-Reyes ◽  
Pedro A. Alonso-Dávila ◽  
Hugo Martínez-Gutiérrez ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Zno Nanoparticles ◽  
Light Irradiation ◽  
Blue Dye ◽  
Methylene Blue Dye

Increased Degradation Capacity of Methylene Blue Dye Using Mg-doped ZnO Nanoparticles Decorated by Ag0 Nanoparticles

2019 ◽  
Vol 48 (5) ◽  
pp. 3017-3025 ◽  
Author(s):  
C. H. R. Paula ◽  
N. F. Andrade Neto ◽  
L. M. P. Garcia ◽  
R. M. Nascimento ◽  
C. A. Paskocimas ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Zno Nanoparticles ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Doped Zno ◽  
Mg Doped

scholarly journals Self-cleaning and Antibacterial Properties of ZnO Nanoparticles on Cotton Fabric Treated with Maleic Acid

2021 ◽  
Vol 27 (1) ◽  
pp. 90-95
Author(s):  
Shirin NOURBAKHSH
Keyword(s):  
Methylene Blue ◽  
Cotton Fabric ◽  
Zno Nanoparticles ◽  
Maleic Acid ◽  
Antibacterial Properties ◽  
Color Difference ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Self Cleaning ◽  
Recovery Angle

Bi-functional finishes of cotton such as wrinkle resistance with antibacterial and self-cleaning are important in textile industry. In this case, reducing cost and duration of processing is essential. For this purpose, cotton fabric was treated with different concentrations of maleic acid (MA), sodium hypophosphite (NaH2PO2) and Zno nanoparticles in two methods of  separately and simultaneously. Crease recovery angle and weight gain tests were examined. For measuring carboxylic acid groups of maleic acid treated cotton fabrics, methylene blue dye was used, and then, reflective spectrophotometer was used to determine methylene blue dye absorption .Self-cleaning and antibacterial properties of ZnO nanoparticles treated cotton fabric were investigated.  For measuring zinc amount, atomic absorption analysis was applied. As the Maleic acid concentration increased, weight gain, crease recovery angle and color yield increased. Color difference or self-cleaning effect of treated fabrics showed that by increasing maleic acid concentration, color difference increased in separate method. In simultaneous treatment, by increasing MA concentration and cross-linked sites, there was a slight increase in ∆E and self-cleaning effect. Results indicated that ZnO nanoparticles amount in separate method of treatment increased as compared with simultaneous method. Antibacterial performance decreased for simultaneous method of ZnO nanoparticles treatment.

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