Process for producing dyed spun cotton yarns having improved uniformity, physical properties, and luster and yarns thus produced
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United States of America Patent
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May 23, 2000
Grant Date -
N/A
app pub date -
May 15, 1998
filing date -
May 15, 1998
priority date (Note) -
Expired
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Abstract
A process for producing dyed spun cotton yarns having a reduced number of irregularities and increased luster is described. The process involves dyeing at least a portion of the cotton fibers which are to form the yarn, then combing the dyed fibers subsequent to the dyeing process. The dyed and combed fibers are then optionally blended with fibers having a visually distinct appearance, and spun into a yarn using conventional spinning methods. The resulting yarns having a dramatically reduced number of thick and thin places and improved yarn properties including improved luster and hand. Furthermore, when the thus-dyed fibers are blended with differently-colored fibers prior to the combing operation, the resultant yarns match the visual colors of like-colored yarns produced by conventional processes, while the color is more intimately blended and the yarns have a markedly increased uniformity, luster and tenacity. As a result, fabrics produced from the yarns have a superior appearance with respect to color blend and luster, and the number of neps and irregularities are dramatically reduced with respect to those of conventionally-produced fabrics.
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