Rapid fixation of disperse dyes on synthetic polymers

Details Rapid fixation of disperse dyes on synthetic polymers Rapid fixation of disperse dyes on synthetic polymers

1974-07-05

1976-05-25

Schofer, Joseph L.

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...

8175, 8 93, 8 94A, 8164, D06P 168

Patent

active

039589340

ABSTRACT:
Process wherein an organic disperse dye is applied, for example, to a synthetic organic polymer in the form of a film or textile fabric, for example, a polyethylene terephthalate fabric, by printing, spraying or padding and the dye-containing film or fabric is then passed through a fluorocarbon fluid at atmospheric pressure and at a temperature greater than the glass transition temperature of the polymer, said fluorocarbon having a boiling temperature of at least 125.degree.C., a fluorine to carbon atom ratio of at least 1.5 and a solubility parameter of not greater than 7.0, preferably 6.5 or less, for example, a fluorocarbon of the formula F[CF(CF.sub.3)CF.sub.2 O].sub.n CHFCF.sub.3 wherein n is at least 3.

REFERENCES:
patent: 3214478 (1965-10-01), Millan
patent: 3242218 (1966-03-01), Miller
patent: 3250807 (1966-05-01), Fritz et al.
patent: 3634014 (1972-01-01), Maltenfort
patent: 3667898 (1972-06-01), Bergman
patent: 3679349 (1972-07-01), VON DER Eltz
patent: 3762872 (1973-10-01), Acree
patent: 3788811 (1974-01-01), Sievenpiper
patent: 3792977 (1974-02-01), Guenthner
Byland et al., J. Amer. Assoc. Textile Chemists and Colorists, 1971, 3, (No. 10), pp. 210-215.
Sievenpiper et al., Kirk-Othmer, Encyclopedia of Chem. Tech., 2nd Edition, 1971, Suppl. Vol. "Solvent Dyeing", pp. 973-978.
Milicevic, Rev. Prog. Coloration, 1970, 1, 49.

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