Nylon 66 yarn having a soft hand produced by tensioning and...

Details Nylon 66 yarn having a soft hand produced by tensioning and... Nylon 66 yarn having a soft hand produced by tensioning and...

D - Textiles, Paper

01

F

28/29, 18/625, 2

D01F 6/60 (2006.01) D01D 9/02 (1980.01)

Patent

CA 1095675

ABSTRACT OF THE DISCLOSURE Nylon 66 yarn having particular stress-strain properties, typically also having a soft, luxuriant hand in fabric form. As compared to conventional nylon 66 with comparable boiling water shrinkage, the novel yarn exhibits a higher modulus at break, a lower modulus at 10% elongation, a positive stress index, and excellent denier uniformity. The process involves subjecting the yarn, within 0.016 to 0.11 seconds after solidification of the filaments, to a tension of 0.2 and 1.5 grams per final denier and heating the yarn to a temperature between 50 and 250°C. long enough to reduce yarn retraction below 1%.

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