Process for the production of highly filled yarns
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United States of America Patent
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-
Feb 25, 1992
Issued Date -
N/A
app pub date -
May 29, 1990
filing date -
Jul 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A highly filled yarn is formed by melt spinning a thermoplastic fibre-forming polymer containing at least 25% by weight of a particulate filler through a spinneret to form a continuous multi-filament yarn. The filaments are drawn away from the spinneret at a rate sufficient to orientate the yarn at least partially. The filaments pass around a guide between the spinneret and the draw means; the direction of travel of the filaments is diverted by means of the guide through an angle of at least 30.degree.. The yarns produced have increased strength and decreased extensibility.
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