Fiber of a fluorocarbon polymer and a process for producing the

Details Fiber of a fluorocarbon polymer and a process for producing the Fiber of a fluorocarbon polymer and a process for producing the

1988-08-26

1991-04-02

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428224, 428373, 428397, D02G 300

Patent

active

050046489

ABSTRACT:
There is disclosed a fiber of a fluorocarbon polymer having pendant ion exchange groups, the fiber having a tensile strength at break as high as at least 1.0 g/denier. The fiber can be produced by subjecting to hydrolysis or chemical modification treatment a filament of a fluorocarbon polymer having ion exchange precursor groups in melt-fabricatable form to convert the ion exchange precursor groups to ion exchange groups in melt-nonfabricatable form and subjecting the resultant heat-infusible filament to drawing.

REFERENCES:
patent: 3940916 (1976-03-01), Grot
patent: 3985501 (1976-10-01), Grot
patent: 4399183 (1983-08-01), Withers

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