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Abstract

This study was performed in order to investigate the effects of tandem and conventional vacuum steaming on the physical properties of 100% cotton and 100% viscose yarns. The yarns with different twisting coefficients and numbers were twisted and exposed to tandem and conventional vacuum steaming at different temperatures. Tenacity, unevenness, hairiness, twist liveliness, package hardness values, and spirality of knitted fabrics produced from these yarns were measured before and after vacuum steaming. The results obtained were assessed by means of COSTAT statistical analysis program. Variation analysis and SNK test were carried out at 5% (0.05) level of significance.

The findings of this study indicate that the effects of vacuum steaming methods on the tenacity, unevenness, hairiness, twist liveliness and package hardness values of yarns are statistically significant. Although the effects of tandem vacuum steaming vary depending on the temperature applied and the raw material used, decreases are observed in unevenness, hairiness, twist liveliness and package hardness values of yarns.

Keywords

Vacuum steaming tandem conventional heat setting tenacity yarn cotton viscose twist liveliness spirality of knitting cloth package hardness

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The effects of tandem and conventional vacuum steaming methods on the properties of yarns

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