Melt spinning process for producing nylon 66 yarns

Details Melt spinning process for producing nylon 66 yarns Melt spinning process for producing nylon 66 yarns

1979-02-14

1980-10-14

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264234, B28B 320

Patent

active

042281172

ABSTRACT:
The productivity of the conventional melt spinning process for producing undrawn polyhexamethylene adipamide carpet and tire yarns is increased by utilizing a heat feed roll (e.g. 80.degree. C.) rather than an unheated feed roll and by eliminating the conventional steam conditioning of the yarn and the convergence guide(s) associated therewith.

REFERENCES:
patent: 3987136 (1976-10-01), Schippers
patent: 4093147 (1978-06-01), Bromley et al.

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