Process for the level, isothermal high-temperature dyeing of hyd

Details Process for the level, isothermal high-temperature dyeing of hyd Process for the level, isothermal high-temperature dyeing of hyd

1976-07-30

1978-11-14

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Treating textiles or fibers from synthetic resin or natural...

8 26, 8 39C, 8 41C, 8148, 8154, 8158, D06P 300, D06B 2324, D06B 2328

Patent

active

041253710

ABSTRACT:
Exhaust process for the isothermal high-temperature dyeing of textile material made of hydrophobic synthetic fibers in a closed dyeing system with water-insoluble disperse dyestuffs, according to which the disperse dyestuff predispersed in water of 40.degree. to 60.degree. C is introduced into the aqueous bath free of dyestuff that is already circulating and heated together with the material to a dyeing temperature within the range of from 115.degree. to 140.degree. C and adjusted to pH 4 - 6, which comprises evaluating the number of the bath circulations per minute by measuring it and the amount of dyestuff exhausted onto the fiber at the same time, and introducing the predispersed dyestuff in doses into the dyebath, depending on the obtained measuring values.

REFERENCES:
patent: 3807872 (1974-04-01), Pronier
patent: 3867040 (1975-02-01), Loffler et al.
patent: 4089644 (1978-05-01), Carbonell et al.
Webster's Seventh New Collegiate Dictionary (Merriam Co.), 1965, p. 897.

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