Method of producing a dyeable coating on metal article

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

1974-08-28

1976-02-24

Di Palma, Victor A.

Metal working

Method of mechanical manufacture

Of a slide fastener

8 4, 24205R, 148 615R, 427195, B21D 5350, B29D 500

Patent

active

039395472

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: 2974059 (1961-03-01), Gemmer
patent: 3183113 (1965-05-01), Gemmer
patent: 3207358 (1965-09-01), Fliss
patent: 3743529 (1973-07-01), Ramsay

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