Polyamide fibers having improved properties and their production

Details Polyamide fibers having improved properties and their production Polyamide fibers having improved properties and their production

1982-09-08

1985-03-12

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

260DIG23, 2642107, 2642108, 528323, D02G 300

Patent

active

045045453

ABSTRACT:
A polyamide fiber excellent in strength, which is characterized by being made of a polyamide having a relative viscosity of not less than 3.5 (measured on a 96% by weight sulfuric acid solution having a polyamide concentration of 10 mg/ml at 20.degree. C.), showing an index of birefringence (.DELTA.n) of not less than 50.times.10.sup.-3 and having the following relationship between the break strength and the break elongation:

REFERENCES:
patent: 3091015 (1963-05-01), Zimmerman
patent: 3382307 (1968-05-01), Ciceri et al.
patent: 3745151 (1973-07-01), Takeda et al.
patent: 3946094 (1976-03-01), Kanetsuna et al.
patent: 4369155 (1983-01-01), Schilo et al.

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