Core-Spun Yarns -- Market of the future

Core spun yarns with elastane fiber cores are used to manufacture single jersey fabrics for innerwear, seamless bodywear, and hosiery. Covering the elastane core fibers with a sheath of cotton fibers improves comfort and sewability, reduces loop and seam damage, and facilitates dyeing and finishing. Core spun yarns improve the operation o..

Compact Spun Yarn.

Despite the growing popularity of compact spun yarn, most textile mills in Japan do not have the financial capability of conduction research and development programs or make capital investments in the new technology. Japan imports compact spun yarn from India and Switzerland, primarily for the manufacture of dress shirt fabrics. Maruman S..

Variation of Longitudinal Modulus with Twist for Yarns Composed of High Modulus Fibers.

Researchers used a sonic pulse propagation method to examine variations in longitudinal moduli with twist for twisted yarns and twisted yarn/resin composites composed of fibers with a range of tensile moduli. An increase in twist reduced the longitudinal modulus of a twisted yarn composed of fibers with low tensile modulus in accord with ..

Modeling and Studying Yarn Dynamic Behavior

A study to simulate fabrics based on yarn components and fabric design data is developing a mathematical model to simulate the dynamics of fabrics subjected to external stress. Initial results confirmed the necessity of modeling yarns before modeling fabrics. Researchers developed an adapted yarn geometry and model featuring a system of j..

A Constitutive Model for Blended Yarn Extension with Fragmented Low-Elongation Fibers.

A micromechanical model extends a hybrid fiber array to describe the microstructure of a blended yarn in which the low elongation to break (LE) fibers are fragmenting. The mixed array consists of a small number of high modulus LE fibers dispersed among high elongation to break fibers. The LE fiber fragments slip relative to neighboring fi..

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Spinning Studies on Fibre Maturity and its Importance

The present work aims to study the spinning parameters on fibre maturity and its importance. The maturity of cotton plays an important role in determining yarn quality. Immature fibres cause wastage of dyes as well as shade variation. One high maturity ratio cotton and two low maturity ratio cotton fibres were used taking the latest machi..

An unconvertional way to manufacture cost effective denim fabric

A study was undertaken to minimise or reduce cost and variability problems in conventional denim production. Using indigo dyed cotton fibre, grey cotton fibre and 246 denier polyester filament yarn, two techniques were tried for yarn preparation: Ring spinning and Dref spinning. Results suggest that the technique has high potential for pr..

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