Process for making polyurethane elastomeric fiber
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United States of America Patent
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Issued Date -
Jul 15, 2004
app pub date -
Oct 31, 2003
filing date -
Jun 4, 2001
priority date (Note) -
Abandoned
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Abstract
A process for making spandex comprising the steps of: providing a polyurethane; adding to the polyurethane an inorganic pigment comprising titanium dioxide, which has been treated with at least one alkanol having at least five carbons to form a spin mixture; and spinning the mixture to form the spandex.
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