Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1994-03-28
1995-05-30
Edwards, N.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428357, 428392, 428395, 428398, D02G 300
Patent
active
054199646
ABSTRACT:
Flat continuous multifilament nylon apparel yarns suitable for critical dye applications and a process for making such yarns are provided. The process for making the yarns includes spinning nylon polymer with a relative viscosity between about 35 and about 80 and stabilizing to make a feed yarn. The withdrawal speed in spinning is sufficiently high that highly uniform feed yarns are provided. In the process, feed yarn is drawn and subsequently relaxed, preferably in the form of a warp of yarns, so that the resulting drawn yarns have properties suitable for use as flat yarns and have excellent dye uniformity with large molecule acid dyes.
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Mayer warp drawing machine developed further, Man-Made Fiber Year Book CTI 1986, pp. 104-105.
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Draw warping combines processes, cuts costs, McAllister Isaacs III, Textile World, May 1985, p. 53.
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Warp-Drawing and Warp-Draw-Sizing, Bruner, Jeff, International Fibers Journal, Jun. 1989, pp. 38-48.
Methods for the Production of Warps from Flat Synthetic Filament Yarns, Maag, F., J. Textile Technology, Jun. 1984, pp. 81-84.
Boles, Jr. Raymond L.
Keene Lee W.
Knox Benjamin H.
Nugent Ralph W.
E. I. Du Pont de Nemours and Company
Edwards N.
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