Continuous process for melt-spinning monofilaments

Details Continuous process for melt-spinning monofilaments Continuous process for melt-spinning monofilaments

1994-10-13

1996-05-21

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264101, 264130, 264178F, 2642105, 2642107, 2642108, 26421112, 26421115, 26421117, 264232, 2642356, D01D 512, D01D 1002, D01D 1006, D01F 660

Patent

active

055186700

ABSTRACT:
The invention relates to a continuous process for the formation of monofilaments having a diameter of from 60 .mu.m to 500 .mu.m from filament-forming polymers by melt-spinning the polymer, optionally quenching the formed polymer filaments below the melt-spinning head with a cooling medium, cooling the filaments in a liquid bath having a temperature of from -10.degree. C. to 150.degree. C., removing the entrained water and post-treating the filaments by spin finishing, drawing and fixing at a filament delivery speed which is greater than 600 to 4000 m/min after the fixing step.

REFERENCES:
patent: 3905381 (1975-09-01), Meyer
patent: 4037288 (1977-07-01), Meyer
S. Braun, Handbuch der Kunstoff-Extrusionstechnik, II pp. 295 to 319, Verlag, Munich (1986).

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