Kurum Yazarı "Atav, Rıza" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Chemical modification of linen fabrics for salt free dyeing with anionic dyes
Atav, Rıza (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2017)As is known, in order to reduce the ionic repulsion forces between cellulosic fibers having anionic charge in the dyebath and anionic dyestuffs (direct, reactive, etc.) used in dyeing, it is necessary to add a considerable ... -
Comparison of the effects of various pre-settings on the colour yield of polyester dyed with disperse dyes
Atav, Rıza (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2011)Comparison of the effects of various pre-settings on the colour yield of polyester dyed with disperse dyes During textile production with synthetic fibres such as polyesters, stress is generated within fibre structure such ... -
Comparison of Wool Fabric Dyeing with Natural and Synthetic Dyes in View of Ecology and Treatability
Atav, Rıza; Güneş, Elçin; Çifçi, Deniz İzlen; Güneş, Yalçın (Amer Assoc Textile Chemists Colorists-Aatcc, 2020)The aim of this study was to compare the fastness properties and wastewater quality in obtaining the same color on 100% woven wool fabric with natural (madder) and synthetic (1:1 metal complex) dyes. The same color, with ... -
Creating a high-quality wool-oriented Turkish merino herd and investigation of mechanical and dyeability properties of fabrics produced from Turkish merino in comparison with Australian merino
Atav, Rıza; Buğdaycı, Berhan; Şen, Ayşe; Ergünay, Uğur; Gürkan Ünal, Pelin; Özkan Ünal, Emel; Karagöz, Gökmen; Işık, Raziye (Wiley, 2023)Today, the need for quality wool suitable for worsted fabric production in the world is mainly met by Australian merino wool. In Turkey, which has a significant sheep population, in addition to domestic breeds, approximately ... -
Decolorization potential of reactive dyes by using galvanising industry's waste (aluminum hydroxide sludge) depending on dye chromophore
Aydın, Nesli; Çifçi, Deniz İzlen; Güneş, Elçin; Güneş, Yalçın; Atav, Rıza (Taylor & Francis Ltd, 2022)The galvanising industry's wastewater treatment facilities generate waste metal hydroxide. These sludges have the potential to be used to remove textile dyes from effluents. In this study, three reactive dyes, which are ... -
Dendrimer Technology for Water and Oil Repellent Cotton Textiles
Atav, Rıza; Baris, Berkay (Amer Assoc Textile Chemists Colorists, 2016)The aim of this study was to determine whether dendrimer-based products can replace classic fluorocarbon-based products in water repellent, woven cotton fabrics. Furthermore, the effect of adding a dendrimer to a fluorocarbon ... -
Dendritic molecules and their use in water repellency treatments of textile materials
Atav, Rıza (Woodhead Publ Ltd, 2018)[No Abstract Available] -
Determination of the color removal efficiency of laccase enzyme depending on dye class and chromophore
Çifçi, Deniz İzlen; Atav, Rıza; Güneş, Yalçın; Güneş, Elçin (Iwa Publishing, 2019)The aim of this article was to clarify which type of dye chromophores could be decolorized efficiently with the use of laccase enzyme. For this purpose, enzymatic degradation of different type of dye classes (4 reactive, ... -
Determination of the Most Commonly Recognized and Used Keratin Based Luxury Fibers
Atav, Rıza; Gürkan Ünal, Pelin; Mulayim, Beyza Buzol; Öztürk, Sener; Kazan, Canan; Karaaslan, Fatih (Taylor & Francis Inc, 2015)There is a group of animal fibers known as luxury fibers. These are mohair, cashmere, camel hair, lama, alpaca, vicuna, guanaco, angora, yak, and quivit. In this study, the effects of demographical variables such as gender, ... -
Determining the effect of enzymatic pretreatment on the low temperature dyeability of polyamide fabrics
Atav, Rıza; Soysal, A. Burak; Çağman, F. Nilay; Karadağ, N. Gökçe (Wiley, 2022)In this study, by pretreating polyamide 6/elastane knitted fabrics with serine-type protease enzyme, the aim was to reduce dyeing temperatures. It is known that the elasticity of elastane fibres is damaged in dyeing at ... -
Dyeing of Cotton Fabric with Natural Dyes without Mordant Usage Part I: Determining the Most Suitable Dye Plants for Dyeing and UV Protective Functionalization
Karabulut, Kaya; Atav, Rıza (Korean Fiber Soc, 2020)Natural dyes are gaining importance in textile dyeing applications in recent years due to the fact many synthetic dyes are carcinogenic, mutagenic, and allergic. In this study, cotton knitted fabrics were dyed with extract ... -
The Effect of Dyeing and Mohair/Wool Blend Ratio on Fabric Physical Properties
Gürkan Ünal, Pelin; Atav, Rıza (Taylor & Francis Inc, 2020)In this study, dyeing effects on the physical properties of blended fabrics containing different ratios of wool and mohair fibers were investigated in detail. Six types of fabrics were produced by using 100% wool yarns and ... -
Effect of hardness caused by using salts in dye houses on the yield of reactive dyes coloring
Atav, Rıza; Yurdakul, Abbas; Kumbasar, E. Perrin Akcakoca (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2011)In this research, the effect of hardness, which arises from using salts in the dyeing process, on color yield was investigated. According to the experimental results, it was determined that even if soft water is used in ... -
Effect of ozonation process on dyeing of polyamide fabrics with a natural dye: walnut rind
Atav, Rıza; Namirti, Osman (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2016)In recent years, concern for the environment has created an increasing interest in natural dyes. Besides natural fibers synthetic fibers can also be dyed with natural dyes. In our previous study, we have examined the ... -
Effect of the ozonation process on the dyeability of mohair fibres
Atav, Rıza; Yurdakul, Abbas (Wiley-Blackwell, 2011)This work has focused on the use of ozonation in order to improve the dyeability of mohair fibres. The study was carried out using a known concentration of ozone and involved process parameters such as wet pick-up, level ... -
The effect of the usage of fiber protecting agent and dye class on the damage of Angora fibers occurred during dyeing process
Atav, Rıza; Yurdakul, Abbas (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2011)Angora fiber's properties are affected adversely when dyed for prolonged periods at the boiling temperature, and to preserve its luster, one of the alternatives is to use a fiber protecting agents in dyeing. This study has ... -
The effect of using alpaca and silk instead of wool in weft yarns on the woollen fabric properties
Gürkan Ünal, Pelin; Atav, Rıza; İlarslan, Sezin; Berkhan Kastacı, Bilge (Taylor & Francis Inc, 2019)In this study, the effect of using silk or alpaca weft yarns on fabric properties and dyeing behavior in the production of woollen woven fabrics was investigated. Therefore, three different fabric types with two different ... -
Effect of warp tension in weaving process on colour obtained in reactive dyeing and fabric shrinkage of cotton
Gürkan Ünal, Pelin; Atav, Rıza (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2010)Effect of warp tension in Weaving process on colour obtained in reactive dyeing and fabric:Shrinkage,of cotton In dyehouses dye recipes related to the desired colour which exist previously are used for colour matching: It ... -
Effectiveness of ozone in decolorization of reactive dye effluents depending on the dye chromophore
Güneş, Yalçın; Atav, Rıza; Namirti, Osman (Sage Publications Ltd, 2012)In this study, ozonation process was used for decolorization of five commercial reactive dyes (Remazol Brilliant Red 3BS-A 150%, Remazol Yellow 3R-SA 133%, Remazol Blue R Special, Remazol Turquoise G 133% and Remazol ... -
History, Classification, Molecular Structure and Properties of Dendrimers which are a New Concept in Textile
Namirti, Osman; Atav, Rıza (Pamukkale Univ, 2011)Over the last 20 years polymer chemistry has created a number of non-lineer structures and introduction of a large number of branches during the polymer synthesis leads to obtain molecules with many end groups. Two types ...