Maden atıklarının sürdürülebilir manyetik pigment olarak tekstil sektörüne geri kazanımı
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Dosyalar
Tarih
2021
Yazarlar
Dergi Başlığı
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Cilt Başlığı
Yayıncı
Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
ÖZET: Tekstil Endüstrisinin gün geçtikçe artan tüketici sayısı ile çevreye verdiği zararda artmaktadır, bu zararın en büyük sebeplerinden biri ise kullanılan sentetik boyalardır. Bu boyalara alternatif olarak doğal pigmentlerin kullanımı hem insan sağlığı hemde çevre açısından önemli olacaktır. Bu çalışmada, sentetik boyalara alternatif olarak çeşitli renk ve manyetik özelliklere sahip demir oksit esaslı pigmentler incelendi. Manyetik pigmentlerin geliştirilmesinde eski maden sahasından alınan asidik maden dranajından yararlanıldı. Stabilitelerini artırmak için, yerinde sentez esnasında ortama % 3 kil (sepiolit ve halloysit) katılarak kompozit yapılar hazırlandı. Bu yapılarda dijital baskılara uygun olması için manyetik duyarlılık arandı. Halloysit katkılı numunelerin manyetik özelliklerinin bir miktar azaldığı gözlenirken, Sepiyolitli numuneler manyetik özelliklerini korumuşlardır. Pigmentlerden elde edilen renkler RGB (Red Green Blue) renk değişkenliği testlerine tabi tutularak, renk değerleri onaltılık biçime işlenerek dönüştürüldüğünde kırmızımsı toprak tonundan koyu siyaha kadar pigmentlerin renginin derinleşdiği görülmüştür. Renk kartelasında en kırmızı renk #4a0f07, en açık sarı #783c00 ve en siyah renk #1b100c ile sırasıyla halloysit, sepiyolit ve kilsiz edilmiştir. Böylece, farklı renklerde ve manyetik özelliklerde pigmentlerin üretiminde, terk edilmiş ve çevreye zarar verebilecek maden atıklarının ikincil bir kaynak olarak değerlendirilebileceği görülmüştür.
ABSTRACT: With the increasing number of consumers of the Textile Industry day by day, one of the biggest causes of the environmental damage it creates is synthetic dyes. The use of natural pigments as an alternative to these dyes will be important for both human health and environmental use. In this study as an alternative to synthetic dyes, iron oxides with various colors and magnetic effects were investigated. In order to increase their stability, composite structures were prepared by adding 3% clay (sepiolite and halloysite) to the in-situ synthesis solution medium. Magnetic sensitivity was sought in these structures to be suitable for digital printing. It has been observed that the magnetic properties of halloysite decreased however no such behavior was found in sepiolite-based structures. The colors obtained from the pigments were subjected to RGB (Red Green Blue) color variability tests and experimentally converted into hexadecimal form. While it was observed that the magnetic properties of the Halloysite-added samples slightly decreased, the Sepiolite samples preserved their magnetic properties. The colors obtained from the pigments were subjected to RGB (Red Green Blue) color variability tests, and when the color values were converted into hexadecimal form, it was observed that the color of the pigments from reddish earth tone to dark black became deeper. In the color chart, the reddest color # 4a0f07, the lightest yellow # 783c00, and the blackest color # 1b100c were halloysite, sepiolite, and clay-free, respectively. Thus, in the production of pigments with different colors and magnetic properties, it has been seen that abandoned and environmentally damaging mine wastes can be used as a secondary source.
ABSTRACT: With the increasing number of consumers of the Textile Industry day by day, one of the biggest causes of the environmental damage it creates is synthetic dyes. The use of natural pigments as an alternative to these dyes will be important for both human health and environmental use. In this study as an alternative to synthetic dyes, iron oxides with various colors and magnetic effects were investigated. In order to increase their stability, composite structures were prepared by adding 3% clay (sepiolite and halloysite) to the in-situ synthesis solution medium. Magnetic sensitivity was sought in these structures to be suitable for digital printing. It has been observed that the magnetic properties of halloysite decreased however no such behavior was found in sepiolite-based structures. The colors obtained from the pigments were subjected to RGB (Red Green Blue) color variability tests and experimentally converted into hexadecimal form. While it was observed that the magnetic properties of the Halloysite-added samples slightly decreased, the Sepiolite samples preserved their magnetic properties. The colors obtained from the pigments were subjected to RGB (Red Green Blue) color variability tests, and when the color values were converted into hexadecimal form, it was observed that the color of the pigments from reddish earth tone to dark black became deeper. In the color chart, the reddest color # 4a0f07, the lightest yellow # 783c00, and the blackest color # 1b100c were halloysite, sepiolite, and clay-free, respectively. Thus, in the production of pigments with different colors and magnetic properties, it has been seen that abandoned and environmentally damaging mine wastes can be used as a secondary source.
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Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi
