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    Comparative Analysis of Different Lyocell Types: Structural, Physical, Mechanical, and Moisture-Related Comfort Properties in Single Jersey Fabrics
    (Korean Fiber Soc, 2023) Kucukali-Ozturk, Merve
    The demand for fibers with improved technical performance and user comfort has led to the development of sustainable man-made cellulosic fibers as an alternative to natural fibers. This study focuses on investigating the structural, physical, mechanical, and moisture-related comfort properties of single jersey fabrics containing different types of lyocell fibers. Although lyocell fibers have been produced using similar processes, our results showed that they displayed some differences in their properties which were reflected in their yarn and fabric performances. Accordingly, Type B lyocell fiber stands out in terms of mechanical and comfort properties. Previous studies mainly focused on the specific types of lyocell fibers, and this research provides a comparative analysis of the different types. The findings contribute to understanding the performance characteristics of various lyocell fiber types and can assist in informed material selection for textile applications.
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    Design of composite insulation panels containing 100% recycled cotton fibers and polyethylene/polypropylene packaging wastes
    (Elsevier Sci Ltd, 2021) Sezgin, Hande; Kucukali-Ozturk, Merve; Berkalp, Omer Berk; Yalcin-Enis, Ipek
    The aim of this study is to produce high value-added composite materials by combining textile and packaging waste from two different sectors. Waste denim fabric was used as the reinforcement material, while polypropylene and polyethylene bottle caps, food, and cleaning containers were used as the matrix material for the production of composite panels. These composite panels were investigated in terms of air permeability and thermal and acoustic insulation behavior. The results indicate that the developed textile-based composite panels are applicable as commercial support materials and offer improved thermal and acoustic insulation properties. The developed composite material provides sound transmission loss up to 8 dB, and improves the thermal resistance value up to 0.11 m(2)degrees C/W. On the other hand, the flame retardant property of this composite material should be tested and developed at the point of applicability as an insulation material. (C) 2021 Elsevier Ltd. All rights reserved.