Akzona Incorporated

Boyce M Lyon

Brewster B Eskridge

Thomas F Corbin

Eduard H Boasson

In continuous spin-draw-winding of nylon 6 to produce yarn filaments of mixed beta-alpha crystalline morphology, the improvement wherein prior to drawing, a spin finish emulsion containing from about 0.1 to about 6% by weight of benzyl alcohol is applied to the filaments to enhance conversion of the beta uniformity of dye acceptance to the drawn filaments.

Process for improving crystallinity in nylon 6

The present process and apparatus are directed to the continuous spinning and drawing of polyamide yarn wherein an aqueous emulsion spin finish is applied to undrawn yarn and the yarn liveliness on the first or winding godet is significantly reduced by use of a first and substantially unheated godet having an increase in diameter from the first to at least the second yarn wrap prior to drawing and take-up.

Continuous melt spinning and drawing of nylon 6 yarn, while reducing the

Disclosed herein are novel synthetic polyamide fibers of generally triangular cross-sectional area having fibrils of polystyrene dispersed throughout as a discontinuous phase. The polyamide fibers are especially useful because of their enhanced antisoiling properties and can be advantageously employed in carpets, upholstery coverings, etc., where soiling is a problem.

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Asheville, NC, United States of America

Boyce M Lyon