Method of producing a dyeable coating on a metal article

Details Method of producing a dyeable coating on a metal article Method of producing a dyeable coating on a metal article

1975-11-28

1979-01-30

Smith, Ronald H.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

427 27, 427195, 427202, 427327, D06P 324, B05D 104, B05D 302

Patent

active

041370430

ABSTRACT:
In producing a dyeable coating on a metal article, such as a slider on a slide fastener, the article is coated with a powdered solid polymer resin containing active proton acceptor groups, such as amine groups. The powder coating is heated to convert the powder coating into a polymer film which is capable of being dyed by any of a wide variety of dyes to produce a desired color in the polymer film. During the heating, the temperature is maintained below the temperature at which substantially all the active proton acceptor groups would be transformed or rendered inactive.

REFERENCES:
patent: 2245335 (1941-06-01), Frey
patent: 2334000 (1943-11-01), Hamm
patent: 3090696 (1963-05-01), Gemmer
patent: 3183113 (1965-05-01), Gemmer
patent: 3663262 (1972-05-01), Cogan
patent: 3743529 (1973-07-01), Ramsay
patent: 3922447 (1975-11-01), Isaksen et al.

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