Bonded untwisted staple yam has been used experimentally in the production of fabrics. The present study, an extension of previous work, has shown that the tensile strength of fabric made from twistless filling was low. The addition of twist to the filling increases the strength of both the yarn and fabric. Waxed yarns provided the strongest fabrics and caused the tear strength in the warp direction to be markedly improved. Fabric made from bonded yams were less permeable than those made from ring filing.
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References
1.
Hearle, J.W.S. , "Mechanics of Twisted Structures," Vol. 1, Wiley, N. Y., 1969.
2.
Lord, P.R., "Economics, Science and Technology of Yam Production," N. C. State University, Raleigh, N. C., 1979.
3.
Lord, Peter R. and Mohamed, Mansour H., Twistless Yams and Woven Fabrics , Textile Res. J.43, 96-102 (1973).
4.
Lord, P.R., Parson, J.R., and Normandin, J., "Twistless Yams and Woven Fabrics Made Therefrom," ASME Paper No. 79-Tex-4, Nov. 1979.
