Methods for characterization and evaluation of self-cleaning textiles
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F19%3A00007553" target="_blank" >RIV/46747885:24410/19:00007553 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Methods for characterization and evaluation of self-cleaning textiles
Original language description
Self-cleaning textiles are the ones which clean themselves without any substantial physical assistance. These textiles can be divided into three categories, namely, physical, chemical, and biological self cleanings. The physical self-cleaning refers to lotus effect that can be defined as the cleaning of lotus leaves due to the rolling of rain droplets on them. The lotus leaves exhibit this characteristic due to the presence of hierarchical roughness structure, i.e., micro-roughness covered with hydrophobic nano roughness. In various studies, textiles have been functionalized with different nanostructures to generate roughness on fibers which on modification with hydrophobic compounds exhibited physical self-cleaning (lotus effect). The chemical self-cleaning means the degradation of color stains or discoloration of solutions in contact with fabric. For this, the fabric is functionalized with photocatalysts which produce hydroxyl radicals on ultraviolet (UV) light activation. This radical is highly oxidative and non-selective with high-redox potential (E0 = 3.06 V). Therefore, it degrades stains and other organic species. Roughness-induced superhydrophobicity has been known since the pioneering studies by Wenzel and Cassie–Baxter in the 1930– 40s. The advances in the past decade of the technology enabling manufacturing of microstructured surfaces increased the attention to superhydrophobicity and its application. New potential applications of the micro/nanostructured surfaces for the Lotus effect and superhydrophobicity have been suggested and investigated, including the applications for energy and environment-friendly manufacturing, underwater applications, such as antifouling, optical systems and others.
Czech name
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Czech description
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Classification
Type
C - Chapter in a specialist book
CEP classification
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OECD FORD branch
20503 - Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)
Result continuities
Project
<a href="/en/project/EF16_019%2F0000843" target="_blank" >EF16_019/0000843: Hybrid Materials for Hierarchical Structure</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Book/collection name
Recent trends in fibrous material science
ISBN
978-80-7494-493-2
Number of pages of the result
27
Pages from-to
411-437
Number of pages of the book
485
Publisher name
Technical University of Liberec
Place of publication
Liberec
UT code for WoS chapter
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