Coloring method for synthetic resin

Details Coloring method for synthetic resin Coloring method for synthetic resin

1975-07-15

1978-02-28

Smith, Ronald H.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 73, 8 92, 427282, 427385B, 427430R, D06P 300

Patent

active

040764966

ABSTRACT:
Coloring method for synthetic resin articles is disclosed. The aqueous solution which colors the resin surface comprises at least one polyacid having chemical formula HO.sub.2 C(CH.sub.2).sub.n CO.sub.2 H; at least one polyhydric alcohol and water including a small quantity of the coloring dye. The article is dipped or treated with the aqueous solution heated to a temperature less than the softening temperature of the resin. The coloring is achieved within a few minutes of treatment.

REFERENCES:
patent: 3340087 (1967-09-01), Mazzola
patent: 3434865 (1969-03-01), Daquire et al.
patent: 3498828 (1970-03-01), Small
patent: 3625731 (1971-12-01), Taylor

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