Polyamide multifilament yarn

Details Polyamide multifilament yarn Polyamide multifilament yarn

1978-01-03

1980-10-21

Woo, Jay H.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

2642103, 2642108, 528323, D02G 300

Patent

active

042295009

ABSTRACT:
Disclosed is a polyamide multifilament yarn comprising a plurality of polycapramide multifilaments and having a high softness, a mild touch, a level-dyeing property and an excellent colorfastness to washing and laundering. The individual filaments in this yarn are characterized by a birefringence of 0.045 or more, a denier of 0.8 or less and a ratio of the X-ray diffraction intensity I.sub.23 at an angle (2.theta.) of 23.2 degrees to the X-ray diffraction intensity I.sub.21 at a peak formed at an angle (2.theta.) of approximately 21 degrees which ranges from 0.50 to 1.00. A process for producing the above-mentioned polyamide yarn is also disclosed.

REFERENCES:
patent: 2957747 (1960-10-01), Bowling
patent: 3745151 (1973-07-01), Takeda et al.
patent: 3994121 (1976-11-01), Adams
patent: 3996324 (1976-12-01), Landenberger et al.
patent: 4019311 (1977-04-01), Schippers
patent: 4035464 (1977-07-01), Kubitzek et al.
patent: 4049763 (1977-09-01), Migeo et al.
patent: 4093147 (1978-06-01), Bromley et al.
patent: 4102965 (1978-07-01), Kubitzek et al.

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