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The finished polyester fabric with hot NH4OH pretreatment and mixed ZnO-Zn(OH)2 nanoparticles for hydrophobic property
Author(s) -
Samroeng Narakaew,
Sittipong AU-PREE,
Wipanoot Baison,
Siwat Thungprasert,
Itsariya WATTALO,
Pranpreeya JAIPOR,
Theeraporn Promanan,
Sukee SUKDEE,
Pakorn SANTAKIJ,
Chainet CHANOGKUN,
Kanjana RUTTANATEERAWICHIEN,
Aphiruk Chaisena,
Pattama Apichai,
Phiphop NARAKAEW
Publication year - 2022
Publication title -
journal of metals materials and minerals
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.195
H-Index - 4
ISSN - 0857-6149
DOI - 10.55713/jmmm.v32i1.1226
Subject(s) - raman spectroscopy , zinc , zinc hydroxide , fourier transform infrared spectroscopy , ammonium hydroxide , nanocomposite , starch , materials science , attenuated total reflection , nuclear chemistry , scanning electron microscope , contact angle , chemical engineering , nanoparticle , hydroxide , chemistry , inorganic chemistry , organic chemistry , composite material , nanotechnology , physics , optics , metallurgy , engineering
This work aims to modify the hydrophobic coated polyester fabrics using 2%w/v ammonium hydroxide (NH4OH) at 90℃ prior and subsequently dipped in two difference aqueous zinc solution batchs containing 0.6%w/v zinc precursors with/without starch and NH4OH, finally dehydration, and characterized by the attenuated total reflection - Fourier transform Infrared (ATR-FTIR) and Raman spectroscopy (Raman), X-ray diffraction (XRD), Field emission scanning electron microscope (FE-SEM), Energy dipersive spectrometry (EDX), and Water contact angle (WCA) of 10 mL dropping at 23℃ and humidity of 63%. Raman spectra and XRD patterns results showed e-zinc hydroxide (e-Zn(OH)2), zinc oxide nanoparticle (ZnO NP) and ZnO-starch nanocomposite crystallized in the orthorhombic and hexagonol wurzite structure, respectively. The increasing intensities of Raman vibrational modes at 369 cm-1 and 750 cm-1 confirmed the increased of e-Zn(OH)2 content with additional starch, therefore, WCA trend of those finished fabric surfaces decreased. WCA optimum of 138° before washing and 136° after 5 washing cycles of the treated fabric which was activated by NH4OH acts as scourer and also as promoter of e-Zn(OH)2/ZnO NPs  as revealed from ATR-FTIR result. While, other observed lower hydrophobic property after 5 washing cycles due to the hydroplilic ZnO-starch nanocomposite.e-Zn(OH)2/ZnO NPs. While others, there were observed lower hydrophobic property after 5 washing cycles due to the hydroplilic ZnO-starch nanocomposite.

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