Preparation of hydrophilic woven fabrics: Surface modification of poly(ethylene terephthalate) by grafting of poly(vinyl alcohol) and poly(vinyl alcohol)-g-(N-vinyl-2-pyrrolidone)

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作者：
Erdoğan, Meryem Kalkan [1 ]
Akdemir, Özgür [2 ]
Hamitbeyli, Agamirza [2 ]
Karakışla, Meral [1 ]
机构：
[1] Department of Chemistry, Faculty of Science, Ankara University, 06100 Tandoğan, Ankara, Turkey
[2] SANKO Textile Enterprises Co., ISKO Woven Firm, Organized Industrial Zone, 3. Street, Inegol, Bursa,16400, Turkey
来源：
Journal of Applied Polymer Science | 2020年 / 137卷 / 16期
关键词：
One of the most industrially important synthetic textile materials; woven poly(ethylene terephthalate) (PET) fabrics; have limitations in the usage of casual apparel applications due to their unwanted hydrophobicity. For that reason; in this study; to impart permanent hydrophilicity to the PET fabrics; hydrophilic poly(vinyl alcohol) (PVA) and a PVA-based copolymer were introduced to the alkaline hydrolysis pretreated PET surface by graft copolymerization for the first time. The graft modification of PET fabric surface was performed with an industrial-adaptable approach. The synthesis of a novel PVA-g-(N-vinyl-2-pyrrolidone) copolymer was achieved by the introduction of glycidyl methacrylate monomer to the PVA backbone. The structure of the copolymer was evidenced by attenuated total reflection–Fourier transform infrared spectroscopy and 1H-NMR techniques. The introduction of PVA and copolymer structures with desired functional groups to the PET fabric surface was confirmed with the X-ray photoelectron spectroscopy technique. It was obtained that the contact angle–wetting time of PET fabric (145° and 98 s) could be dropped to 37° and 0.1 s and 64° and 0.7 s after PVA and copolymer grafting; respectively. This suggests that the graft-modified PET fabrics may find the potential of use in the textile applications as the alternative hydrophilic materials. © 2019 Wiley Periodicals; Inc; J; Appl; Polym; Sci; 2020; 137; 48584. © 2019 Wiley Periodicals;
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