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Textured Yarns
Textured Yarns The term textured yarns was for many years just one of several expressions used in describing complex or fancy yarns.Within the past few decades,however,the terms has been confined to a select group of yarns,or filament fibers.The final yarn may be either simple or complex structure.However ,these yarns do possess several special characteristics that make them adaptable to a variety of fabric structures;thus,they are discussed as separate topic. ASTM define textured yarn under the general heading of bulk yarn: 1.Bulk yarn 2.Bulky yarn 3.Textured yarn Texturizing Processes False-twist Methods Draw Texturizing The Knife-Edge Method The Stuffer-Box Method Fluid Texturizing:Air and Steam Gear Crimping edge Crimping Use of Textured Yarns A majority of man-made fiber fabrics are textured through some process.The resulting fabrics have highly desirable properties and are more acceptable to consumers.Textured fabrics tend to be more comfortable,have a more desirable appearance,and be more versatile than non-textured items. Man-made filament fibers that have not been textured often result in uncomfortable apparel fabrics ,because the filament pack tightly together and prevent the movement of moisture or air through the fabric.Texturizing corrects these problems and produces fabrics that have bulk and space between the filaments so the yarn itself will absorb moisture and provider a desirable level of comfort as well as appearance.Texturizing also helps to create fabrics that have a good warmth and can serve as insulators. 三、常见英文词汇(缩略语) 1.UDY——Undrawn yarn未拉伸丝 2.POY——Pre-oriented yarn预取问丝, 3.DTY——Draw textured yarn假捻变形纱,(高弹丝) 4.FDY——Fully-oriented yarn全拉伸丝,(低弹丝) 5.POY ——DTY 拉伸——假捻变形纱 6.ATY——Air textured yarn 空气变形丝 man-made fiber, synthetic fiber化纤有两大类Regenerated cellulosic fiber再生纤维素 Viscose Rayon (filament)粘胶人造丝 合成纤维: Acetate Filament staple, 短纤 醋酯长丝 Polyamide fibers (nylon, 尼纶)酰胺纤维 Polyester filament yarn and staple fiber (PET )聚酯纤维 Acrylic fiber 丙烯腈纤
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