Process for producing acrylic synthetic fibers having anti-pilli

Details Process for producing acrylic synthetic fibers having anti-pilli Process for producing acrylic synthetic fibers having anti-pilli

1978-10-23

1980-05-27

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642105, 2642107, 2642108, D01D 510

Patent

active

042050375

ABSTRACT:
Acrylic synthetic fibers highly resistant to pilling and having good dyeability can be produced by specifying the composition of the acrylic polymer, the condition of the primary stretching step, the internal water content of the water-swollen gel fibers, the conditions of the steps of the drying-compacting, secondary stretching and relaxing heat treatment.

REFERENCES:
patent: 3485913 (1969-12-01), Yamada et al.

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