Patents

Biaxially Oriented Polyester Film And Production Process Therefore

October 17, 2006

A biaxially oriented polyester film has been granted a patent. The film has a Young’s modulus in a longitudinal direction of 8 to 12 Gpa; a Young’s modulus in a transverse direction of 6.5 to 9 Gpa; a temperature expansion coefficient in the transverse direction (·t) of -5x10-6/° C to +12x10-6/° C; and a humidity expansion coefficient in the transverse direction (·h) of +6x10-6/% RH to +12x10-6/% RH. The film also has a thermal shrinkage factor at 105° C in the transverse direction of 0 to +1.5% and comprises ethylene-2,6-naphthalene dicarboxylate in an amount of at least 95 mol % of the total of all the recurring units.
  • 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.