Wet-spinning processes for producing acrylic filaments

Details Wet-spinning processes for producing acrylic filaments Wet-spinning processes for producing acrylic filaments

1988-12-23

1990-04-03

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642107, 2642108, 26421115, 26421116, 264233, 2642905, D01F 638

Patent

active

049138693

ABSTRACT:
An improvement in the conventional wet-spinning process for producing acrylic fibers increases the spinning performance and/or productivity of the process and comprises imparting a plurality of stretches to the fibers as they are being dried on the heat rolls of the drying train employed in the process.

REFERENCES:
patent: 2596128 (1952-05-01), Chavannes et al.
patent: 3947538 (1976-03-01), Marshall et al.

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