Acidic coating - textile finishing for the prevention of microbial growth / Omid Etemad-Parishanzadeh in TECHNICAL TEXTILES, Vol. 66, N° 3 (2023)  

[article]  inTECHNICAL TEXTILES > Vol. 66, N° 3 (2023) . - p. 28-29 Titre : Acidic coating - textile finishing for the prevention of microbial growth Type de document : texte imprimé Auteurs : Omid Etemad-Parishanzadeh, Auteur ; Yanik Leven, Auteur ; Léonie Kamps, Auteur ; Tori Engels, Auteur ; Jochen S. Gutmann, Auteur ; Thomas Mayer-Gall, Auteur ; Torsten Textor, Auteur Année de publication : 2023 Article en page(s) : p. 28-29 Langues : Multilingue (mul) Catégories : Antimicrobiens Matériaux -- Propriétés fonctionnelles Revêtements acides Textiles et tissus -- Finition Index. décimale : 677 Textiles Résumé : The pH value of the human skin is not in the neutral range but is slightly acidic with values of - depending on the body part - 3.5 to 6. This provides a suitable habitat for the commensal skin fora but has a killing effect on some pathogenic micro-organisms and an inactivating effect on some viruses. This protective acid mantle of the skin thus represents a first external protective layer against infestation by pathogens. An appropriate surface pH on textiles can help to minimize the transmission of pathogens through the clothing of healthcare workers while at the same time not exerting a nega¬tive influence on the skin's own fora. In addition, the colonization of e.g. bed linen by pathogenic microorganisms can be reduced. This can also have a positive influence on bacteria-associated odor formation on functional clothing. En ligne : https://drive.google.com/file/d/1QyH4vyywV5wirLUyra-vxVQH6tvioPjG/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39469 [article]

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Combinatorial coating based on light-sensitive photocatalysts - biostatic, self-cleaning and UV protective textiles / Omid Etemad-Parishanzadeh in TECHNICAL TEXTILES, Vol. 65, N° 4 (10/2022)  

[article]  inTECHNICAL TEXTILES > Vol. 65, N° 4 (10/2022) . - p. 229-231 Titre : Combinatorial coating based on light-sensitive photocatalysts - biostatic, self-cleaning and UV protective textiles Type de document : texte imprimé Auteurs : Omid Etemad-Parishanzadeh, Auteur ; Yanik Leven, Auteur ; Léonie Kamps, Auteur ; Tori Engels, Auteur ; Jochen S. Gutmann, Auteur ; Thomas Mayer-Gall, Auteur ; Torsten Textor, Auteur Année de publication : 2022 Article en page(s) : p. 229-231 Langues : Multilingue (mul) Catégories : Antimicrobiens Catalyseurs métalliques Equipement de protection individuelle Oxyde de zinc Photocatalyse Polyéthylène téréphtalate Protection contre le rayonnement ultraviolet Revêtement auto-nettoyant Textiles et tissus à usages médicaux Textiles et tissus à usages techniques Textiles et tissus synthétiques Vêtements de protection Index. décimale : 677 Textiles Résumé : The requirements for textiles differ greatly depending on the area of application, whereby it often does not remain with only one required functionality. For example, in the field of functional clothing or protective clothing/PPE, it is necessary to protect the textile's wearers from UV radiation. At the same time, self-cleaning effects offer certain advantages in that field. In addition, an antimicrobial effect in functional clothing can reduce the formation of unpleasant odors, and in PPE — especially in the healthcare sector — can contribute to the interruption of the chain of infection. One way to achieve these 3 desired functions in just one finishing step is to immobilize titanium dioxide (Ti02). However,TiO2 is viewed critically for application in the textile sector due to a REACH listing. Another disadvantage is that it only takes effect under UV radiation and is therefore not suitable for indoor use. Alternatively, photocatalysts such as doped zinc oxides (ZnO) can be used, which also exhibit catalyticactivity through activation by visible light, which can lead to the killing of microorganisms and the degradation of organic soiling. Note de contenu : - Fig. 1 : Catalytic soil degradation tested on methylene blue dyed textiles - Fig. 2 : UV protection effect of finished PET:CO fabrics - Fig. 3 : SEM images of finished PET fabrics before (W0) and after 5 washing cycles (W5) - Fig. 4 : Determination of the maximum tensile strength before and after long-term UV irradiation : PET fabric and CO fabric En ligne : https://drive.google.com/file/d/18NBGInpP9QYcj5TzgjjGgH4Cn8UsKtPL/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38560 [article]

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