Polyurethane elastic fiber and process for producing same

Details Polyurethane elastic fiber and process for producing same Polyurethane elastic fiber and process for producing same

2005-02-28

2009-02-03

Edwards, N. (Department: 1794)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C051S298000, C385S143000

Reexamination Certificate

active

07485364

ABSTRACT:
A polyurethane elastic fiber, containing inorganic compound particles that have an average particle size of 0.5 to 5 mm and that show a refractive index of 1.4 to 1.6, having at least one protruded portion that has a maximum width of 0.5 to 5 μm, in the fiber surface, per 120-μm length in the fiber axis direction.

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