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Handle and Comfort Properties of Woven Fabrics Made from Random Blend and Cotton-Covered Cotton/Polyester Yarns

School of Textile and Fiber Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, U.S.A.

Sukasem Tejatanalert

School of Textile and Fiber Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, U.S.A.

A.P.S. Sawhney

USDA, ARS, Southern Regional Research Center, New Orleans, Louisiana 70179, U.S.A.

Two identically constructed cotton/polyester fabrics, one made from polyester staple core/cotton-covered yarn and the other from a random blend yarn, were evaluated for their low-stress mechanical properties and hand quality, following the objective hand evaluation approach developed by Kawabata. Heat energy dissipation through the fabrics under dry and wet contact conditions and their warm-cool contact sensations were measured using Kawabata's new "Thermolabo Device." Comparison of the low- stress mechanical properties revealed that the fabric made of polyester-core/cotton covered yam is more resilient to tensile and compressive deformation and has higher bending rigidity, lower tensile elongation, and lower shear modulus. The same fabric also gives higher values for all four primary hand qualities and for total hand quality associated with a men's summer suit application. For a women's thin dress application, it gives higher values for five out of the six primary hand qualities. It also offers a cooler contact sensation and much less variation in contact sensation along its length . compared to the fabric from the random blend yarn. The amount of heat energy dissipated through the fabric made of cotton-covered yam was lower under dry contact (nonsweating) conditions and higher under wet contact (sweating) conditions, sug gesting that this fabric may have a better thermal comfort value for cold and dry (winter) as well as hot and humid (summer) weather conditions. Energy dissipation along the fabric also varied much less for the material from cotton-covered yarn. This work not only identifies differences in the subjective properties of the fabrics in quan titative terms, but also demonstrates the value of Kawabata's methods for designing and producing superior quality apparel fabrics.

Textile Research Journal, Vol. 63, No. 10, 573-579 (1993)
DOI: 10.1177/004051759306301003


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