Abstract
Herein, a novel kind of composite yarn with alternating segmented structure and interval color has been prepared based on a ring spinning approach. By adjusting the relative motion and blend ratio of the colored polyester filament and natural cotton staple fiber in yarn spinning process, a series of composite yarns were designed and prepared with various segmented structure and cyclical change of the distinct colors. The blend ratio was found to strongly influence on the segment frequency and yarn performance, achieving an improved mechanical property and yarn performance. A color systematic analysis indicated that the combination of alternating structural change induced interval color sense and gradient at the merged regions would lead to an enhanced stereoscopic visual effect of the composite yarns. Moreover, the composite yarns were confirmed to have an excellent weavability and able to endow different patterns and visual effects to the textiles. Thus, considering of the above advantages and multifunctionalities, this work should spur great possibilities for dyeing industry with the promising physical spinning method.
Highlights
With the rapid development of the economy and society, more complex requirements for the fashion textiles have been put forwarded in recent decades
Structural appearance of the segmented yarns In the first section we demonstrated the segmented structure can be finely regulated by varying the blend ratio of composite yarn
Experimental results demonstrated that the blend ratio played a significant role for the composite yarn formation, achieving a better yarn performance at the ratio of 1:4
Summary
With the rapid development of the economy and society, more complex requirements for the fashion textiles have been put forwarded in recent decades. Diversity of dyed yarns for the fashion sense has received much attentions due to its extensive potential applications and huge global market. The traditional color yarn spinning is usually dyed the fiber first, and mixed two or more fibers aiming to confer the textiles with designed colorful visualizations (Kim and Jeon 2014). For dyeing process, the fiber treatment conditions (e.g. acid, alkali, high temperature etc.) would strongly affect the fabric performance and the use of dyeing materials that are harmful to the human being. The dyeing auxiliaries used in the fiber dyeing process are diverse, resulting in complex pollutant components, large fluctuations of acidity and alkalinity in wastewater. A physical dyeing method that avoid the use of toxic inorganic reagents is highly desirable for the fashion textile industry
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