Polyurethane elastomeric fiber and process for making the fiber

Details Polyurethane elastomeric fiber and process for making the fiber Polyurethane elastomeric fiber and process for making the fiber

2005-06-28

2005-06-28

Sergent, Rabon (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C264S165000, C428S364000, C525S458000, C525S460000

Reexamination Certificate

active

06911502

ABSTRACT:
This invention is comprised of a thermoplastic polyurethane elastomer fiber obtained by melt spinning a polyurethane having a rebound of 60% or greater and a isocyanate-terminated polyether or polyester additive. The elastic fibers have low shrinkage, high heat resistance, low tensile set, and high elongation.

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B.F. Goodrich Company, Product Data Sheet, ESTANE 58280 TPU Polyether Based Polyurethane (Estane Thermoplastic Polyurethanes), Jul., 2000.

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