Process for improving crystallinity in nylon 6

Details Process for improving crystallinity in nylon 6 Process for improving crystallinity in nylon 6

1976-01-12

1977-09-20

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

81156, 81301, 264290N, 427175, D01D 512

Patent

active

040497666

ABSTRACT:
In continuous spin-draw-winding of nylon 6 to produce yarn filaments of mixed beta-alpha crystalline morphology, the improvement wherein prior to drawing, a spin finish emulsion containing from about 0.1 to about 6% by weight of benzyl alcohol is applied to the filaments to enhance conversion of the beta uniformity of dye acceptance to the drawn filaments.

REFERENCES:
patent: 2137235 (1938-11-01), Carothers
patent: 3113369 (1963-12-01), Barrett et al.
patent: 3428560 (1969-02-01), Olsen
patent: 3432898 (1969-03-01), Stacley et al.
patent: 3433008 (1969-03-01), Gage
patent: 3513110 (1970-05-01), Noethe
patent: 3944708 (1976-03-01), Dumas

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