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Nanocoating on alkali-resistant glass fibers by octadecyltrichlorosilane to improve the mechanical strength of fibers and fibers/epoxy compositesKumar, Anuj, kemijski tehnolog ...Surface defects cause the measured tensile strength of alkali glass fibers to be significantly lower than their theoretical values. Coatings can be used to "heal" surface flaws and to modify surface ... properties. In the present work, the nanocoating on alkali-resistant glass (ARG) fiber rovings was carried out by self-assembled monolayers (SAMs) of octadecyltrichlorosilane (OTS). The ARG roving was dipped into OTS nanosol, which deposited the organic-inorganic SAMs of OTS on the ARG surface. The assessment of changes in the fiber surfaces was characterized by scanning electron microscopy (SEM) and fluorescence microscopy, while the chemical changes were characterized by X-ray photoelectron spectroscopy (XPS). Furthermore, the influence of nanocoating on the tensile properties of ARG and OTS-treated ARG with and without an epoxy matrix was also studied. The SEM analysis revealed the formation of nanoscale layers on the ARG surfaces and the XPS confirmed the deposition of organic-inorganic monolayers. The tensile strength of ARG rovings with and without the epoxy matrix was improved significantly. The OTS treatment almost created a superhydrophobic nanocoating on ARG, which was confirmed by the sessile drop water contact angle, and the water absorption by the ARG/epoxy composites reduced.Vir: Textile research journal. - ISSN 0040-5175 (Vol. 88, iss. 9, 2018, str. 1038-1046)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2018Jezik - angleškiCOBISS.SI-ID - 2268775
Avtor
Kumar, Anuj, kemijski tehnolog |
Vlach, Tomáš |
Chira, Alexandra |
Laiblová, Lenka |
Sever Škapin, Andrijana |
Tywoniak, Jan |
Hájek, Petr
Teme
vlakna |
kemija |
premazi |
oktadekiltriklorosilan |
hidrofobilnost |
kompoziti |
fibers |
surface chemistry |
coatings |
octadecyltrichlorosilane |
hydrophobicity |
composites
Vnos na polico
Trajna povezava
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kumar, Anuj, kemijski tehnolog | |
Vlach, Tomáš | |
Chira, Alexandra | |
Laiblová, Lenka | |
Sever Škapin, Andrijana | 12521 |
Tywoniak, Jan | |
Hájek, Petr |
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