Browsing by Author "Yıldırım, Kenan"
Now showing items 1-20 of 22
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Antimicrobial open-cell polyurethane foams with quaternary ammonium salts
Demirci, Fatma; Yıldırım, Kenan; Koçer, Hasan Basri (Wiley, 2018)An hydroxyl-terminated quaternary ammonium salt polymer (QAP) was added to a foam formulation in various amounts between 1 and 5 wt %. The structures of the produced foams and their QAP content were characterized by Fourier ... -
Co-electrospun-electrosprayed PVA/folic acid nanofibers for transdermal drug delivery: Preparation, characterization, and in vitro cytocompatibility
Parın, Fatma Nur; Aydemir, Ç.İ.; Taner, Gökçe; Yıldırım, Kenan (SAGE Publications Ltd, 2021)In this study, hydrophilic based bioactive nanofibers were produced via an electrospinning and electrospraying simultaneous process. Poly(vinyl alcohol) (PVA), poly(vinyl alcohol)-gelatin (PVA-Gel), and poly(vinyl ... -
Comparing the Prediction Capabilities of Artificial Neural Network (ANN) and Nonlinear Regression Models in Pet-Poy Yarn Characteristics and Optimization of Yarn Production Conditions
Yıldırım, Kenan; Öğüt, Hamdi; Ulcay, Yusuf (Inda, 2017)In the manufacture of yarn, predicting the effect of changing production conditions is vital to reducing defects in the end product. This study compares, for the first time, non-linear regression and artificial neural ... -
Effect of fixation conditions on yellowing behavior of cellulose powder-coated fabrics
Manasoglu, Gizem; Kanik, Mehmet; Yıldırım, Kenan (Sage Publications Ltd, 2019)In this study, the yellowing behavior of cellulose powders, which is applied to pretreated polyester woven fabrics with concentrations of 100g/kg by knife coating technique, was investigated. After drying process, coated ... -
An experimental study and model development of poly(ethylene terephthalate) yarn morphology
Yıldırım, Kenan; Ulcay, Yusuf (Walter De Gruyter Gmbh, 2014)In this study, macromolecular arrangements in fibers were investigated and a novel approach based on model development for partially oriented (POY) polyethylene terephthalate (PET) yarn morphology was proposed. Differential ... -
Fabrication and characterization of electrospun folic acid/hybrid fibers: In vitro controlled release study and cytocompatibility assays
Parın, Fatma Nur; Ullah S.; Yıldırım, Kenan; Hashmi M.; Kim I.-S. (MDPI, 2021)The fabrication of skin-care products with therapeutic properties has been significant for human health trends. In this study, we developed efficient hydrophilic composite nanofibers (NFs) loaded with the folic acid (FA) ... -
Fabrication of polyamide 6/honey/boric acid mats by electrohydrodynamic processes for wound healing applications
Terzioğlu, Pınar; Yeşilyurt, Ayşenur; Eroğlu, Murat; Yıldırım, Kenan; Parın, Fatma Nur; Parın, Uğur (Elsevier Ltd, 2021)In this study, polyamide 6, polyamide 6/honey, and polyamide 6/honey/boric acid nanofibrous mats were fabricated by electrospinning and electrospraying technique to be used in wound healing applications. The morphology and ... -
Influence of some knitting and finishing parameters on the snag resistance of polyethylene terephthalate (PET) knit fabric
Yibar, Mehmet Fahri; Öǧüt, Hamdi; Cingu, Neslihan; Cetin, Suna; Yatikci, Tugce Koroglu; Yıldırım, Kenan (SAGE Publications Ltd, 2021)To assess the effects of fabric take-up, yarn tension, feeder position, and yarn feeder material on the occurrence of snagging, fabrics produced with two different finishing processes, were subjected to longitudinal or ... -
Investigation of the Properties of Natural Fibre Woven Fabrics as a Reinforcement Materials for Green Composites
Karahan, Mehmet; Özkan, Fatma; Yıldırım, Kenan; Karahan, Nevin (Inst Chemical Fibres, 2016)The mechanical properties of flax and jute woven fabrics were investigated and compared with each other. Mechanical properties of the yarns and fabrics were characterised and compared for each scale. The fabric structure, ... -
Kaplamalı tekstil yüzeylerinin güç tutuşurluk özelliklerinin buğday kapçığı kullanılarak geliştirilmesi
Kutlay, Kadriye (Bursa Teknik Üniversitesi, 2020)Yangın sebebiyle ölümler ve yaralanmalar, geçmişten günümüze kadar tüm dünyada sorun olmuştur. Hem ölüm ve yaralanmaları hem de maddi kayıpları azaltmak için çeşitli çalışmalar yapılmaktadır. Bunlar:Yangını başlamadan ... -
Low Velocity Impact Behaviour of Aramid and UHMWPE Composites
Karahan, Mehmet; Yıldırım, Kenan (Inst Chemical Fibres, 2015)The most popular method to produce composites for ballistic applications is to use aramid and ultra high molecular weight polyethylene (UHMWPE) fibers as reinforcement materials in different matrices. The composite materials ... -
N-halamin katkılı polivinil klorür (PVC) micro / nano liflerinin geliştirilmesi ve antibakteriyel özelliğinin araştırılması
Çobanoğlu, Batuhan (Bursa Teknik Üniversitesi, 2019)Dünya üzerinde hala milyonlarca insan hastane virüsü ve bulaşıcı hastalıklar nedeniyle hayatını kaybetmektedir. Patojenlerin sebep olduğu hastalıkların ve bunun sonucunda meydana gelen ölümlerin azalması için özellikle ... -
Pine honey-loaded electrospun poly (vinyl alcohol)/gelatin nanofibers with antioxidant properties
Parın, Fatma Nur; Terzioğlu, Pınar; Sicak, Yusuf; Yıldırım, Kenan; Ozturk, Mehmet (Taylor & Francis Ltd, 2020)In this study, bioactive fibers were produced using polyvinyl alcohol (PVA), gelatin and pine honey by using electrospinning method. The influence of honey content (0-15 wt%) on the infrared spectrum, morphology, average ... -
Preparation and Characterisation of Vitamin-Loaded Electrospun Nanofibres as Promising Transdermal Patches
Parın, Fatma Nur; Yıldırım, Kenan (Inst Chemical Fibres, 2021)In this study, bioactive fibres were produced using polyvinyl alcohol (PVA), gelatin, polyvinyl pyrrolidone (PVP) as a polymer matrix, and different amounts of folic acid (FA) as a vitamin using the electrospinning technique. ... -
Production and characterization of n-halamine based polyvinyl chloride (pvc) nanowebs
Çobanoğlu, Batuhan; Parın, Fatma Nur; Yıldırım, Kenan (Ege Universitesi, 2021)Antibacterial agent N-halamine, 7,7,9,9-tetramethyl-1,3,8-triazaspiro [4.5]-decane-2,4-dione (TTDD), was synthesized, and it was added into the polyvinyl chloride (PVC) nanoweb. A versatile, and relatively simple method, ... -
Reaktif boyalı pamuklu kumaşlarda kullanılan fiksatör tipleri ve kompozisyonlarının renk haslığı üzerine etkisi
Oğuz, Sabriye Damla (Bursa Teknik Üniversitesi, 2019)Bu çalışmanın amacı, fiksatör tipleri ve karışımlarının reaktif boyarmaddeler ile boyanmış pamuklu örme kumaşlara ait haslık değerleri üzerine etkisinin incelenmesidir. Tez çalışmasında bordo, siyah ve turkuaz olmak üzere ... -
The solar properties of fabrics produced using different weft yarns
Yıldırım, Kenan; Kanber, Asuman; Karahan, Mehmet; Karahan, Nevin (Sage Publications Ltd, 2018)Woven fabric is composed of two yarns system, known as the weft and warp yarns. Each yarn system has an effect on the physical, performance, and optical properties of fabric. Any change in one or both yarn systems greatly ... -
Ticari olarak üretilip satılan kauçukların karakterizasyon parametrelerin belirlenmesi
Ayık, Saffet (BTÜ, Fen Bilimleri Enstitüsü, 2021)Ham kauçuk olarak elde edilen malzeme tropik bölgelerde yetişen süte benzer yapısı ile 'Lateks' olarak adlandırılan bitki veya ağaç öz suyundan elde edilmektedir. Bu malzeme doğal halde veya petrol ve alkolün bileşimlerinden ... -
Twist setting temperature and time effects on morphology of polyethylene terephthalate yarn
İpliğe verilen bükümün sabitlenmesi için ısıl işlem gereklidir. Bu işlem polietilen teraftalat (PET) ipliğin hem morfolojisinin hem de mekaniksel özelliklerini değiştirmektedir. İplik özellikleri ısıl işlem faktörlerinden ... -
Yaşlanma geciktirici B9 vitamini içeren farklı non-woven kumaşların üretimi ve kontrollü salımının incelenmesi
Parın, Fatma Nur; Kılıç, Ali (BTÜ, Fen Bilimleri Enstitüsü, 2021)Bu tez çalışmasında nem, sıcaklık ve UV altında bozunma olasılığı yüksek olan folik asit (FA)-vitamin B9 'un nanoliflerin içine enkapsüle edilmesi ve dokusuz yüzeylere spreylenmesi ile farklı bileşimlere sahip nanoliflerin ...