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Abstract
In this project, the optimum heat setting for the Lycra knitted fabric is studied. Achieving the best heat setting means perfect dimensional stability of the knitted fabric.
During the heat setting process, the fabric is passed through heated chambers of 200�C to achieve the desired property of the Lycra knitted fabric. If parameters like overfeed, temperature, speed, etc. suddenly change, the fabric quality such as GSM, width, and dimensional stability of the knitted fabric also change, resulting in variations between and within fabrics.
Key Points: Heat setting of Lycra, overfeed, Temperature, Speed for Heat setting, etc.
Introduction
Lycra blended fabric heat setting is a critical process. During the heat setting process, the fabric runs continuously in the stenter machine. Any minute changes in the machine parameters will result in fabric quality variation.
Lycra is a registered trademark used for DuPont's elastane filament. Elastane is a generic term, like polyamide or polyester. It defines a manmade fiber in which the fiber-forming substance is a synthetic chain polymer containing at least 85% segmented polyurethane.
Lycra filament is knitted or woven under tension along with other yarns. When relaxed, it tends to compact the fabric length and width to a "jam point". The "hard" fiber buckles when the fabric is "jammed", and it limits the extension of the fabric when it is being stretched. Elastic fabrics are very often appear wider and lighter than their width and weight at the "Jam point".
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The authors of the articles are associated with Centre for textile functions (CTF), NMIMS MPSTME Shirpur campus, Shirpur, Maharashtra
In this project, the optimum heat setting for the Lycra knitted fabric is studied. Achieving the best heat setting means perfect dimensional stability of the knitted fabric.
During the heat setting process, the fabric is passed through heated chambers of 200�C to achieve the desired property of the Lycra knitted fabric. If parameters like overfeed, temperature, speed, etc. suddenly change, the fabric quality such as GSM, width, and dimensional stability of the knitted fabric also change, resulting in variations between and within fabrics.
Key Points: Heat setting of Lycra, overfeed, Temperature, Speed for Heat setting, etc.
Introduction
Lycra blended fabric heat setting is a critical process. During the heat setting process, the fabric runs continuously in the stenter machine. Any minute changes in the machine parameters will result in fabric quality variation.
Lycra is a registered trademark used for DuPont's elastane filament. Elastane is a generic term, like polyamide or polyester. It defines a manmade fiber in which the fiber-forming substance is a synthetic chain polymer containing at least 85% segmented polyurethane.
Lycra filament is knitted or woven under tension along with other yarns. When relaxed, it tends to compact the fabric length and width to a "jam point". The "hard" fiber buckles when the fabric is "jammed", and it limits the extension of the fabric when it is being stretched. Elastic fabrics are very often appear wider and lighter than their width and weight at the "Jam point".
Read Full Article
The authors of the articles are associated with Centre for textile functions (CTF), NMIMS MPSTME Shirpur campus, Shirpur, Maharashtra
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