Color process for spectacle frame coated with polyester

Details Color process for spectacle frame coated with polyester Color process for spectacle frame coated with polyester

1984-03-26

1985-07-30

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Coating or sizing with dyeing process or product

8506, 8512, 8515, 8516, 29 20, 427195, B05D 506, B29D 302, C09D 302, C25D 302

Patent

active

045319472

ABSTRACT:
A thick coat of polyester powder is imparted onto a heated spectacle frame, some of the powder is removed from the frame hinges and replaced with a thin coat, the coated product is baked to fuse the powder and subsequently immersed in a heated aqueous dispersion of a disperse type dye, and the dyed product is subsequently reheated to a temperature sufficient to cause dye diffusion into the fused coating.

REFERENCES:
patent: 3743529 (1973-07-01), Ramsay
patent: 3939547 (1976-02-01), Bermer et al.
patent: 4111647 (1978-09-01), Schleifstein
patent: 4162892 (1979-07-01), Wright et al.
patent: 4172702 (1979-10-01), Bermer et al.
patent: 4251582 (1981-02-01), Bermer et al.
H. Ahmed, "Coloring of Plastics", (Van Nash and Rheinhold, New York), 1979, pp. 167-168.

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