Process for the production of highly filled yarns

Details Process for the production of highly filled yarns Process for the production of highly filled yarns

1990-05-29

1992-02-25

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

264171, 2642106, 2642108, 26421114, 26421115, 2642907, 57310, 57287, 57352, 57362, D01D 516, D01D 1104

Patent

active

050911309

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.

REFERENCES:
patent: 2845962 (1958-08-01), Bulgin
patent: 3511905 (1970-05-01), Martin
patent: 3755519 (1973-08-01), Meyers et al.
patent: 4081948 (1978-04-01), Parker
patent: 4118438 (1978-10-01), Matsui et al.
patent: 4432924 (1984-02-01), Umehara et al.
patent: 4758396 (1988-07-01), Crass et al.

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