Method of manufacturing a water-insoluble dye layer on a substra

Details Method of manufacturing a water-insoluble dye layer on a substra Method of manufacturing a water-insoluble dye layer on a substra

1987-06-02

1988-08-30

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Inorganic substrate

8506, 8609, 8654, 8657, 8680, 8685, B05D 310, C03C 1728, B01J 4102, B32B 1706

Patent

active

047674210

ABSTRACT:
A method of manufacturing a homogeneous, water-insoluble dye layer on a substrate is provided in which a solution of a cationic or anionic dye in an organic solvent is provided on the substrate, the solvent is removed and the resulting dye layer is treated with an aqueous solution of a salt in which the cation of the anionic dye is exchanged for the cation of the salt or is treated with a salt or acid in which the anion of the cationic dye is exchanged for the anion of the salt or acid. The invention also provides a substrate provided with water insoluble homogeneous dye layer.

REFERENCES:
patent: 2118431 (1938-05-01), Gessler
patent: 2118432 (1938-05-01), Gessler
patent: 4057388 (1977-11-01), Defago et al.
patent: 4071312 (1978-01-01), Blackwell
patent: 4472168 (1984-09-01), Gauthier
Colour Index, Third Edition (Soc. Dyers and Colourists, 1971), vol. 4, pp. 4389, 4391, 4424, 4426, 4428, and 4432-4433.
E. R. Trotman, "Dyeing and Chemical Technology of Textile Fibres", Sixth Edition (Wiley, 1984), p. 166.
Webster's New World Dictionary: Second College Edition (The World Publishing Co.)-"Water Proof".
E. R. Trothman, "Dyeing and Chemical Technology of Textile Fibres", Fifth Edition (Griffin, 1975), p. 206.

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