Process for conditioning synthetic fiber material

Details Process for conditioning synthetic fiber material Process for conditioning synthetic fiber material

1987-09-09

1988-09-27

Hornsby, Harvey C.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Gas or vapor

D06B 310

Patent

active

047731095

ABSTRACT:
The conditioning of synthetic fiber material to produce perfect products with a low residual solvent content using comparatively small quantities of steam is carried out in a steam-tight conditioning apparatus consisting of several zones with a rotating perforated belt, using steam which has been superheated to temperatures of from 105.degree. to 150.degree. C., and the material having a residence time in the apparatus of more than 3 minutes.

REFERENCES:
patent: 3045461 (1962-07-01), Saito
patent: 3320022 (1965-05-01), Hill
patent: 3908410 (1975-09-01), Umehara et al.
patent: 3945225 (1976-03-01), McCoy
patent: 4121311 (1978-10-01), Meyer
patent: 4345385 (1982-08-01), Sando et al.

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