Journal
ULTRASONICS SONOCHEMISTRY
Volume 42, Issue -, Pages 679-688Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2017.12.009
Keywords
In-situ sonosynthesis; Hedgehog-like nickel nanoparticles; Polyester fabric; Magnetic properties
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Recently, nano finishing of textiles is increasingly attracted many researchers to create new features on the products. Here a new fabric is introduced through simultaneous aminolysis and hydrolysis of polyester along with in-situ sonosynthesis of hedgehog shaped nickel nanoparticles on the fabric with magnetic properties. To do this, nickel sulfate, hydrazine hydrate, sodium hydroxide and polyvinylpyrrolidone (PVP) were used as a precursor, reducing agent, alkali and stabilizer respectively. Nickel sulfate was reduced to nickel nanoparticles with hydrazine hydrate at the adjusted pH with NaOH in the presence of PVP at 75 degrees C for 2 h. The polyester fabric was aminolyzed and hydrolyzed produced various functional groups on the fabric surface assisted nucleation and stabilization of nickel nanoparticles. The morphology, crystal phase, magnetic properties and chemical structure of the treated fabrics were characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), vibrating sample magnetometry (VSM), and energy dispersive X-ray spectroscopy (EDX). The optimized sample treated with 3.19 (mL) hydrazine hydrate, 3.99 (mL) sodium hydroxide and 0.41 (g) nickel sulfate showed reasonable saturation magnetization value of 4.5 emu g(-1). The treated fabrics showed no antibacterial and antifungal behavior indicating the safety of the products.
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