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Erschienen in: Cellulose 2/2022

11.01.2022 | Original Research

Thiol-ene chemistry as an effective tool for hydrophobization of cotton fabrics

verfasst von: Anna Szymańska, Marcin Przybylak, Hieronim Maciejewski, Agnieszka Przybylska

Erschienen in: Cellulose | Ausgabe 2/2022

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Abstract

In this paper, several methods of hydrophobization of cotton fabrics using the thio-ene click reaction were compared. Durable, superhydrophobic textiles were obtained in an easy way. Various variants of functionalized silsesquioxanes were used for the hydrophobization of fabrics. The synthesis of bifunctional silsesquioxanes (RSiMe2O)4(ViSiMe2O)4Si8O12 and (RSiMe2O)4(R’SiMe2O)4Si8O12 were performed via hydrothiolation of silsesquioxane derivative (ViSiMe2O)8Si8O12. Alkoxysilyl, alkyl and fluoroalkyl moieties were introduced as functional groups. Samples were prepared using four methods, differing in the modification method and the number of stages. During the research, fabrics were modified via (a) the dip-coating process, (b) carrying out thiol-ene click reactions directly on the surface of the fabric and (c) using both of these methods. The hydrophobicity of the fabric was evaluated by measuring the Water contact angle (WCA). The obtained samples were also examined using infrared analysis (FT-IR), Scanning electron microscope (SEM), and Elemental analysis (SEM–EDS). All analyses were performed before and after the washing process in order to verify the stability of the performed modifications.

Graphical abstract

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Literatur
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Metadaten
Titel
Thiol-ene chemistry as an effective tool for hydrophobization of cotton fabrics
verfasst von
Anna Szymańska
Marcin Przybylak
Hieronim Maciejewski
Agnieszka Przybylska
Publikationsdatum
11.01.2022
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 2/2022
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-021-04357-w

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