Production of spin-finish-free drawn fibers

Details Production of spin-finish-free drawn fibers Production of spin-finish-free drawn fibers

1988-08-29

1990-06-12

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

264130, 2642102, 2642103, 2642108, 2642893, 2642905, C23C 2600

Patent

active

049331302

ABSTRACT:
Process for producing spin-finish-free man-made fibers by melt spinning high polymers having a glass transition temperature of above 100.degree. C. and subsequently drawing the filaments by means of preheater godets to a preset draw ratio, wherein the filaments are not spin-finished prior to drawing but are impinged with a liquid which can evaporate residuelessly during drawing and the temperature of the preheater godet is set not less than 40.degree. C. higher than in the conventional process with spin finish application.

REFERENCES:
patent: 3510552 (1970-05-01), Tsuruta et al.
patent: 3619461 (1971-11-01), Gay
patent: 3947538 (1976-03-01), Marshall et al.

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