Results 51 to 60 of about 193 (85)
The physical properties and processing of fine merino lamb's wool
, 1994 Madeley, Anthony J.
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Structure and Properties of Cotton Sirospun® Yarn
Textile Reseach Journal, 2000Cotton Sirospun® yarn has a circular cross-sectional shape, with the two strands segregated and consolidated into an adjacent array. When it is untwisted, the strand twists in an alternate direction. When compared to single yam with the same linear density and twist multiplier, cotton Sirospun yam is superior in tenacity, evenness, hairiness, and ...
M.N. Sun, K.P.S. Cheng
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Research on Sirospun yarn torque using airflow false twisting device
Journal of the Textile Institute, 2013Yarn torque is one of the most important indexes of yarn quality, which is determined on the mechanical state of the constituent fibers and their configuration in the yarn. The fiber tension within a yarn was proposed to be the most influential factor governing the magnitude of yarn torque by Bennett and Postle. Therefore, the research on Sirospun yarn
Xinjin Liu, Xuzhong Su
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Air-Jet Texturing of Sirospun Yarn
Textile Reseach Journal, 1992Sirospun yarns have been texturized using an air-jet process to improve the bulk of the parent yarn. The study examines the effects of twist in the parent yarn, as well as overfeed and air pressure during texturing on the properties of the textured yarn. When suitable process parameters are chosen, Sirospun yarns lend themselves to excellent texturing
A. K. Sengupta +2 more
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Dynamic model of sirospun process. Part I: theoretical dynamic model
Journal of the Textile Institute, 2010In this paper, an improved dynamic model has been developed for predicting the oscillation motion of the convergence point. Compared to previous research research, this model presents a more practical expression of sirospun yarn forming based on improved dynamic analysis.
Xianglong An, Chongwen Yu
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Effect of Strand Spacing and Twist Multiplier on Cotton Sirospun Yarn
Textile Reseach Journal, 1998For combed cotton yarns, the wider the strand spacing is in Sirospun, the better the yarn properties are in terms of tenacity, Uster hairiness, abrasion resistance, and trapped strand twist.
K.P.S. Cheng, M.N. Sun
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Quality Improvement of Sirospun Yarns Through Use of Finer Rovings
Textile Reseach Journal, 1990Optimization of Sirospun yam quality is an ongoing process. The compactness of the yam appears to be an important factor. In this paper, we show that for a given yam count, a lower draft produces a stronger and more even yarn.
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Effect of Lubrication on Tensile, Frictional, and Weaving Properties of Sirospun Wool Yarn
Textile Reseach Journal, 1989The role of capillarity in improving the cohesion and tensile properties of oiled yam is discussed and experimentally tested. The effect is significant for low twist Sirospun yam and results in a lower rate of warp breaks than with a wax lubricant.
J.H. Brooks, U.K. Das, L.J. Smith
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