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Fiber World

Eastman Announces New Copolyester Polymer

The Eastman Chemical Co., Kingsport, Tenn., has announced a new polymer for binder fibers based on its PETG chemistry. Eastman copolyester 20110 is a new 0.47 inherent viscosity (I.V.) addition to Eastmans PETG family of copolyesters. It is especially useful in binder fibers as the sole polymer of unicomponent fibers or as one of the polymers in bicomponent fibers, including sheath/core, side-by-side or segmented pie structures.Lower flow characteristics allow extrusion as a fiber at lower pressures and/or temperatures, similar to the temperatures used for polypropylene. Lower activation temperatures result in easier thermal bonding. Activation can also be accomplished using radio frequency, dielectric or ultrasonic processes.

November 2000




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