Polyamide hollow filaments
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 6, 1994
Issued Date -
N/A
app pub date -
Mar 11, 1994
filing date -
Apr 13, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved process for preparing polyamide hollow filaments wherein an N,N'-dialkyl polycarbonamide is melt blended with the molten fiber-forming polyamide prior to spinning into filaments. The polycarbonamide substantially decreases the collapsing of the voids which naturally occurs immediately .after spinning and before the filaments are completely cool.
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