AN INVESTIGATION OF FASTNESS AND ANTIBACTERIAL PROPERTIES OF COTTON FABRIC COLOURED WITH WATER-SOLUBLE ZINC PHTHALOCYANINE CONTAINING AZO GROUPS

Araştırmanın temel amacı, azo grupları içeren suda çözünebilen çinko ftalosiyanin (Azo-ZnPc) ile boyanmış pamuklu kumaşın boyanma özelliklerini, renk haslık değerlerini (ışık, su, ter, klorlanmış su, sürtme, yıkama) ve antibakteriyel aktivitesini incelemektir. Bir ftalosiyanin (Pc) yapısında aynı anda bulunan çinko metal iyonu ve azo gruplarının pamuklu kumaş üzerinde antibakteriyel etki sağlayabileceği düşünülmüştür. Literatür araştırması, bu Azo-ZnPc yapısının tekstil renklendirilmesinde bir boyarmadde olarak önceden kullanılmadığını göstermektedir. Bu sebeple, bu boyanın sentezi ve bazı özelliklerinin incelenmesi değerli olabilir. Bu çalışmada ilk olarak, Azo-ZnPc sentezi gerçekleştirilmiş ve yapısı; FT-IR, UV/vis, kütle spektrumları ve 1H-NMR, 13C-NMR çalışmaları ile doğrulanmıştır. Daha sonra, bir katyonik yardımcı madde ile modifiye edilmiş pamuklu kumaş, çektirme prosesiyle sodyum karbonat varlığında Azo-ZnPc ile boyanmıştır. Son olarak, renk haslık değerleri ISO standartlarına göre belirlenmiş ve renk verimi (K/S değerleri), L, a*, b*, C*, h* değerlerinin ölçümleri elde edilmiştir. Homojen biçimde yeşil renge boyanan kumaşın antibakteriyel özellikleri AATCC 100 standartlarına göre incelenmiştir. Staphylococcus aureus (S. aureus) ve Klebsiella pneumoniae (K. pneumoniae) bakterilerinde, sırasıyla %99.99, %99.74 gibi, önemli derecede azalma gözlenmiştir

AZO GRUPLARI İÇEREN SUDA ÇÖZÜNÜR ÇİNKO FTALOSİYANİN İLE BOYANAN PAMUKLU KUMAŞIN HASLIK VE ANTİBAKTERİYEL ÖZELLİKLERİNİN İNCELENMESİ

Main purpose of this research is to investigate dyeing properties, colour fastness values (light, water, perspiration, chlorinated water, rubbing, washing) and antibacterial activity of cotton fiber fabric dyed with water-soluble zinc phthalocyanine containing azo groups (Azo-ZnPc). It is expected that zinc metal ion and azo groups present simultaneously in one phthalocyanine (Pc) structure can ensure antibacterial effect on cotton fabric. Literature survey shows that this Azo-ZnPc structure was not used before as a dyestuff in textile colouration. Therefore, synthesis and investigation some properties of this dye could be worthwhile. In this study firstly, the AzoZnPc was synthesized and the structure was verified with FT-IR, UV/vis, mass spectra and 1H-NMR, 13C-NMR studies. Afterwards, the cotton fabric modified with a cationic auxiliary was dyed with the Azo-ZnPc in the presence of sodium carbonate via exhaustion process. Finally, the colour fastness values were determined according to ISO standards and color strength (K/S values), L, a*, b*, C*, h* values measurements were performed. Antibacterial properties of the uniformly green coloured fabric were examined according to AATCC 100 standard. Significant reduction of Staphylococcus aureus (S. aureus) and Klebsiella pneumoniae (K. pneumoniae) bacteria, rated as 99.99 %, 99.74 %, respectively, were observed on cotton fiber fabric

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