Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Coating selected area
Patent
1996-04-23
1999-08-17
Gorgos, Kathryn
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Coating selected area
205135, 205162, 205163, C25D 502
Patent
active
059389125
ABSTRACT:
A method of providing a decorative metal pattern on an electrically non-conductive substrate, such as a glass or plastic substrate, which includes applying a mixture of a heat fusible material, such as glass or plastic, with a metal having a particle size less than about 500 mesh constituting at least 50% of the mixture, to the substrate in the desired pattern, heating the so-applied mixture until the heat fusible material fuses and bonds to the substrate, cleaning the substrate with the pattern thereon, and electroplating the pattern with the desired finish metal. In one method in which the mixture includes glass, a negative resist is adhesively secured to the substrate and the mixture is applied. The resist disintegrates upon heating. In another method, used when the substrate is plastic, a mixture of plastic and metal in paste form is applied to the substrate by silk screening or pad printing to form the pattern. In both cases, the pattern is bonded to the substrate by intermolecular bonding and has sufficient conductivity for electroplating without intermediate processing. Also, articles produced by such methods.
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Robert C. Weast, editor, Handbook of Chemistry and Physics, 57th edition, CRC press, Cleveland, 1977, p. F.158.
Gorgos Kathryn
Leader William T.
Vock, Esq. Curtis A.
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