Melt spun fluoropolymeric fibers and process for producing them

Details Melt spun fluoropolymeric fibers and process for producing them Melt spun fluoropolymeric fibers and process for producing them

1998-07-29

2000-04-11

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

D01D 516, D01F 612

Patent

active

060484810

ABSTRACT:
This invention pertains to melt spun fibers of copolymers formed from tetra-fluoro ethylene and perfluorovinyl monomers and a process for their formation. In the process of this invention fibers exhibiting high strength and low shrinkage are drawn from the melt at SSFs of at least 500.times..

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Translation of Federal Republic of Germany 4131746 A1 (Published Mar. 25, 1993).
Translation of Japan 2-91210 (Published Mar. 30, 1990).
Translation of Japan 3-10723 (Published Feb. 14, 1991).
A.M. Kronfel'd et al., Some Aspects of Spinning Fibers From Fluorine-Containing Copolymers By Melt Extrusion, Translated from Khimicheskie Volokna, vol. 2, pp. 28-30, Mar.-Apr., 1986.
A.M. Kronfel'd et al., Preparation of F-50 Fluorine-Containing Fibres By Extrusion From The Melt, Translated from Khimicheskie Volokna, vol. 1, pp. 13-14, Jan.-Feb., 1982.
A.V. Bezprozvannykh et al., Certain Rheological Properties Of Ftoroplast-50 Melts and Their Influence On Fiber Formation, Translated from Zhurnal Prikladnoi Khimii, vol. 59, 952-955, Apr., 1986.
A.M. Kronfel'd et al., Rheological Characteristics and Melt Flow Properties of Fiber-Forming Fluoroplastic F-50, Nov. Reol. Polim., Mater.Vses.Simp.Reol. 11.sup.th 1982 1, No: 266-9 (1980).
T.S. Dorutina et al., Rheological and Fiber-Forming Properties of Ftoroplast [Fluoroplastic] 4MB, Khim. Prom St., Ser.: Prom St. Khim. Volokon 6, No.:8-11 (1979).

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