Process for dyeing molded articles containing urea formaldehyde

Details Process for dyeing molded articles containing urea formaldehyde Process for dyeing molded articles containing urea formaldehyde

1975-12-05

1977-03-01

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1E, 8185, D06P 1382, D06P 302

Patent

active

040099954

ABSTRACT:
Molded synthetic plastic articles containing urea formaldehyde or melamine formaldehyde are dyed after molding. The molded synthetic plastic article is treated in an aqueous dye bath containing 0.005 to 5.0 wt. % of a dichlorotriazinyl dye or a premetalized dye at a temperature in the range of 50.degree. to 100.degree. C.

REFERENCES:
patent: 2128533 (1938-08-01), Howald
J. of Soc. of Dyeing & Colourist, Dec. 1945, The Coloring of Plastics, Oehlcke, pp. 306-310.
Interchemical Review, Dip Dyeing of Plastics, F. Koberlein, pp. 74-77 Autumn 1946.
British Plastics, Apr. 1950, pp. 190-194, Surface Dyeing of Plastics.

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