DE36001C - Process for the production of matt gold or matt chandelier on porcelain, earthenware, glass and the like - Google Patents

Description

IMPERIAL

PATENT OFFICE

The purpose of the method forming the subject of the present invention is to apply to porcelain, Earthenware, glass and related materials for decorating objects made from them. Matt gold or- to produce matt chandelier, with the entire surface in a magnificent, matt Gold tone can appear or possibly any applied drawing brightly glossy can emerge, whereby very beautiful and effective effects can be achieved.

The procedure is as follows: The glazed surface to be painted is first complete with any matt color, consisting of:

12 parts of red lead,
4 - quartz,
2 - borax,

25 - dye, d. H. Iron oxide, uranium oxide, manganese oxide, cobalt oxide or the like,

for melting or muffle fire and then on the object in question drawing to be applied respectively. Decorations using clove oil or something else suitable any explosive blown out.

Blasting out and explosive means the following: The above-mentioned matt color is moistened with Damar varnish, mixed and the surface to be decorated is completely covered with it.

When this is dry, you mix any earth color (paint color) with clove oil or castor oil and uses this mixture to add the "drawing to the matt-colored background on.'

The earth color (paint color) is only mixed with cfem OeI so that it goes with it The latter decorations made on the colored background are easier to recognize. Clove oil alone would be indistinguishable. The explosive has the property that it attracts or refreshes the matt color. Wipe off after a few minutes With a pure linen cloth over the painted surface, the explosive is wiped off (Clove oil or castor oil) together with the underlying matt color (as far as it is is only painted with the explosive), while the rest of the matt color remains.

The explosive saves the much more laborious work of erasing.

The object is then burned in the muffle fire for the first time. You put it then in a lead basin, which is filled with hydrofluoric acid diluted with water, or brush the object sufficiently with this acid until the matt paint has been stained away.

The preparation of the hydrofluoric acid solution is as follows: "The strongest, most concentrated hydrofluoric acid, fuming hydrofluoric acid, mixed with water, to 8 liters of water, 30 g of hydrofluoric acid, and the mixture is freshly processed, because it is well known that the acid loses when it is left standing for a long time in strength.

The object is now washed with pure water, and afterwards it is brushed

is well dried, with bright gold or bright chandelier, depending on the matt gold or matt chandelier is to be achieved on the objects, and burns it for the second time in the muffle fire.

Then, after the fire, those places appear on which the matt color appears was pickled away by means of the diluted hydrofluoric acid, in an effective, splendid, matt gold tone, while the initially blown out drawing respectively. Ornaments stand out with a bright shine.

Through this connection of surfaces in matt gold tone respectively. Matt chandelier with bright shine Drawing etc., or vice versa, splendid effects are achieved which one can by embellishing the decor with enamel or other additives.

In contrast to the matt gold achieved by simply underlaying colors, which is rough and black or black over time. gets dirty dark, feels that Matt gold produced by the above stain appears soft and velvety, does not accept dirt on, is also characterized by a light, pale yellow tone and thus remains unchangeable and permanent as the shiny gold spots.

Claims (1)

Patent claim: The process of making matte gold or matte chandeliers on porcelain, earthenware, glass and related To produce materials, characterized by the sequence of the following operations: a) the glazed object to be painted or the area is given any, for Apply matt paint suitable for melting and muffle fire and apply the Drawing blasted out with clove oil etc., then, b) after the object is burnt in the muffle fire and the same is sufficiently diluted with Hydrofluoric acid is coated in such a way that the matt paint is stained away c) the same washed, dried, coated with shiny gold or shiny luster and finally burned in the muffle fire for the second time, whereby those places on which the matt paint has been stained, appear in a magnificent, matt gold tone, while the blown drawing emerges with a bright shine.