نتایج جستجو برای: textile fibers
تعداد نتایج: 82404 فیلتر نتایج به سال:
The development of a conductive fiber produced from an inherently conductive polymer (ICP) polyaniline (PANI) was accomplished during this the third year of our National Textile Center funding. This goal accomplished the stated mission of the research effort. The fiber produced has tensile properties approaching that of nylon 6 and a conductivity of around 350 S/cm. This achievement has led to ...
In this article, the benefits offered by micro-fibrous scaffold architectures fabricated by textile manufacturing techniques are discussed: How can established and novel fiber-processing techniques be exploited in order to generate templates matching the demands of the target cell niche? The problems related to the development of biomaterial fibers (especially from nature-derived materials) rea...
Atopic dermatitis (AD) is a chronic inflammatory disease characterized by the impairment of the skin-barrier function, increased oxidative cellular stress, and bacterial colonization. Hence, medical therapies of AD aim to control infection, reduce inflammation, and restore skin-barrier function by use of topical and systemic antibacterial drugs, topical corticosteroids, topical calcineurin inhi...
Highly loaded polymer/clay nanocomposites with layered structures are emerging as robust fire retardant surface coatings. However, time-intensive sequential deposition processes, e.g. layer-by-layer strategies, hinders obtaining large coating thicknesses and complicates an implementation into existing technologies. Here, we demonstrate a single-step, water-borne approach to prepare thick, self-...
Old masonry buildings represent the largest part of traditional constructions. Generally, they are both seismically vulnerable and thermally dispersive. Therefore, need for seismic thermal retrofitting aimed at reducing their vulnerability environmental impact has motivated research efforts towards sustainable solutions. This study presents a literature review approaches currently available ret...
In the world today, the need for sustainable processes is increasing. The work of the present thesis has been focused on conversion of the cellulosic part of waste textiles into biogas and ethanol, and its challenges. In 2009, the global annual fiber consumption exceeded 70 Mt, of which around 40% consisted of cellulosic material. This huge amount of fibers is processed into apparel, home texti...
چکیده در پی گسترش روز افزون علوم مربوط به تهیه ریز ذرات،گرایش به سمت تهیه منسوجات تهیه شده از نانوالیاف نیز در صنعت نساجی رو به فرونی نهاده است. در اکثر تحقیقات علمی وصنعتی سعی شده است تا نانوالیاف به گونه¬ای تهیه شوند تا در نهایت با توجه به خصوصیات بارز و شاخص این الیاف، راه حلی جهت بهبود خصوصیات منسوجات فعلی باشند. در تحقیقات گذشته، حداکثر پیشرفت، تا رسیدن به نخ و در نهایت تولید لایه¬ای از ...
Abstract In this paper, both steady-state and transient thermal simulations were performed on functional fibers having an embedded electronic chip acting as a heat source. Simulations conducted for range of different fiber materials arbitrary cross-sectional shapes. We show that under heating conditions, the response any shape material system was convection dominated regardless effective conduc...
Fiber structures, yarn structures, and mechanical properties of fibers namely tensile modulus, tenacity, and elongation, are the key performance indicators of fabric cut resistance. p-aramid and UHDPE (Ultra High Density Polyethylene) based high performance fibers are most commonly used for protection against mechanical risks. Specially engineered composite yarns and fabrics enhance cut resista...
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