Patents

Polyester fiber tow having substantially uniform primary and secondary crimps

February 28, 2004

This patent is for a polyester fiber tow made up of crimped polyester fibers that have substantially uniform primary crimps and substantially uniform secondary crimps. Each uniform secondary crimp includes a number of substantially uniform primary crimps. Each crimped polyester fiber possesses a tensile strenght about the same as the tensile factor possessed by an otherwise identical uncrimped polyester fiber. The average coefficient of primary crimp non-uniformity (Kn) possessed by the polyester fiber tow is less than about 10.8 percent.
  • 2016 International Buyers Guide

    2016 International Buyers Guide

    July 15, 2016
    Our annual Buyers’ Guide lists nearly every supplier and producer involved with the global nonwovens industry.

  • Raw Material Round Up

    Raw Material Round Up

    Karen McIntyre, Editor||June 9, 2016
    Suppliers to nonwovens manufacturers continue to innovate.

  • Fiber Producers Hone in on Hygiene

    Fiber Producers Hone in on Hygiene

    Tara Olivo, Associate Editor||June 9, 2016
    Growth in hygiene markets has spurred innovation among these suppliers to the nonwovens industry.