Process of making polyurethane fiber

Details Process of making polyurethane fiber Process of making polyurethane fiber

1999-01-26

2000-08-01

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

D01D 504, D01F 670

Patent

active

060962526

ABSTRACT:
A process for preparing durable dry-spun, polyurethane fiber exhibiting a small angle X-ray scattering pattern that forms a layer line scattering image or an eyebrow-shaped four dot scattering image is provided. The fiber is particularly useful in pantyhose, undergarments and the like.

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patent: 4106313 (1978-08-01), Boe
patent: 4837292 (1989-06-01), Lodoen
patent: 4871818 (1989-10-01), Lodoen
patent: 5000899 (1991-03-01), Dreibelbis et al.
patent: 5565270 (1996-10-01), Rehbold et al.
Database WPI, Section Ch, Week 8231, Derwent Publications Ltd., London, GB; Class A25, AN 82-64384E, & JP-A-57 101 017 (Nisshin Spinning KK), Jun. 23, 1982.

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