Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1996-01-16
1998-02-03
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
264203, 2642107, 2642108, 26421116, 264233, D01D 512, D01F 626, D02G 300
Patent
active
057141010
ABSTRACT:
The invention relates to polyketone yarns of which the maximum tangential modulus at an elongation of more than 0.2% is at least 10 N/tex which display both high strength and, if so desired, a high elongation at break. The quality number, which is measured on a single filament out of a bundle of at least about 30 filaments spun simultaneously through one spinneret and given as .sigma., .epsilon., is higher than 85 mN/tex, preferably higher than 100 mN/tex. The quality number of a yarn spun through one spinneret of one or more holes is higher than 110 mN/tex, preferably higher than 120 mN/tex. The yarns are manufactured by extruding a solution of a linear polymer of alternating ethylene and carbon monoxide units in a resorcinol-containing solvent, after which the solvent is removed with the aid of methanol as coagulant.
REFERENCES:
International Search Report dated Sep. 20, 1993 for PCT/EP93/01586.
Cloos Peter Jeroen
Lommerts Bert Jan
Maat Hendrik Ter
Van Der Werff Harm
Akzo Nobel N.V.
Morris Louis A.
Noto Joseph M.
Tentoni Leo B.
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