Polyamide filaments having improved properties and method of pre

Details Polyamide filaments having improved properties and method of pre Polyamide filaments having improved properties and method of pre

1988-06-07

1991-01-08

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

57243, 428364, 428373, D02G 300

Patent

active

049834487

ABSTRACT:
A polyamide filament having improved properties such as increased tenacity and dyeability. The filament has a birefringence of at least 0.040 and an .alpha.-crystal content of at least 30%. The filament is prepared by contacting the filament with water after the filament has been cooled to a temperature below its stick point but above its glass transition temperature. The water can be applied intermittently to the filament to produce a resulting filament having variable dyeing characteristics.

REFERENCES:
patent: 4369155 (1983-01-01), Schilo et al.
patent: 4539170 (1935-09-01), Hare
patent: 4542063 (1985-09-01), Tanji et al.
patent: 4702875 (1987-10-01), Jennings

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