Oxygen plasma pretreatment improves dyeing and antimicrobial properties of wool fabric dyed with natural extract from pomegranate peel / Jelena Peran in COLORATION TECHNOLOGY, Vol. 136, N° 2 (04/2020)

[article]  inCOLORATION TECHNOLOGY > Vol. 136, N° 2 (04/2020) . - p. 177-187 Titre : Oxygen plasma pretreatment improves dyeing and antimicrobial properties of wool fabric dyed with natural extract from pomegranate peel Type de document : texte imprimé Auteurs : Jelena Peran, Auteur ; Sanja Ercegovic Razic, Auteur ; Ana Sutlovic, Auteur ; Tomislav Ivankovic, Auteur ; Martinia Ira Glogar, Auteur Année de publication : 2020 Article en page(s) : p. 177-187 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens Caractérisation Colorimétrie Essais dynamiques Extraits de plantes Fibres textiles -- Propriétés mécaniques Grenade (fruit) et constituants Hydrophilie Laine Mordançage (teinture) Nitrate d'argent Résistance à la traction Résistance au lavage Solidité de la couleur Sulfate d'aluminium Sulfate de potassium Technique des plasmas Teinture -- Fibres textiles Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper presents the application of conventional potassium aluminium sulphate wool mordanting and a biochemical method with silver nitrate (as antimicrobial agent and mordant), alone and in combination with oxygen plasma, as part of comprehensive research into pretreatment processes for wool dyeing with natural extract from pomegranate peel (Punica granatum L.) . Pretreatment with oxygen plasma significantly improved the hydrophilicity and tensile strength of all tested samples and showed that oxygen plasma can improve K/S , washing fastness, and even replace certain mordants in wool dyeing with natural pomegranate dye. All dyed samples exhibited good antibacterial activity against Staphylococcus aureus , which can be contributed to the phenol content in pomegranate dye. Only after 28 days of intensive ageing in natural weathering conditions did K/S and antibacterial activity against Klebsiella pneumoniae slightly decrease in dyed samples pretreated with oxygen plasma. Note de contenu : - EXPERIMENTAL : Materials and methods - Plasma treatment - Dyeing procedure - Surface morphology - Wicking properties - Tensile strength characterisation - Colorimetric measurements - Colour fastness - Antibacterial activity - RESULTS AND DISCUSSION : FE-SEM analysis - Wicking properties - Tensile strength - Colour properties - Colour fastness - Antibacterial activity of treated samples DOI : https://doi.org/10.1111/cote.12464 Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34237 [article]

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