Silver coated mirror
DCFirst Claim
1. A mirror comprising a vitreous substrate having a silver coating formed on a surface thereof produced by a process comprising the steps of:
- sensitizing the vitreous substrate, activating the vitreous substrate by contacting the vitreous substrate with a solution comprising ions of palladium (II);
contacting the vitreous substrate with a silvering solution so as to form the silver coating, and applying at least one layer of paint over the silvered substrate.
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Abstract
A mirror composed of a vitreous substrate having a silver coating formed on a surface thereof produced by a process including the steps of sensitizing the vitreous substrate; activating the vitreous substrate by contacting the vitreous substrate with a solution comprised of at least one ion selected from the group consisting of bismuth (III), chromium (II), gold (III), indium (III), nickel (II), palladium (II), platinum (II), rhodium (III), titanium (III), vanadium (III) and zinc (II); contacting the vitreous substrate with a silvering solution so as to form the silver coating; and applying at least one layer of paint over the silvered substrate. Preferably, the silver coating is not covered with a protective layer of copper.
41 Citations
32 Claims
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1. A mirror comprising a vitreous substrate having a silver coating formed on a surface thereof produced by a process comprising the steps of:
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sensitizing the vitreous substrate, activating the vitreous substrate by contacting the vitreous substrate with a solution comprising ions of palladium (II);
contacting the vitreous substrate with a silvering solution so as to form the silver coating, and applying at least one layer of paint over the silvered substrate.
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2. A vitreous substrate having a silver coating formed on a surface thereof produced by a process comprising the steps of:
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sensitizing the vitreous substrate, activating the vitreous substrate by contacting the vitreous substrate with a solution comprising ions of palladium (II);
spraying the vitreous substrate with a silvering solution so as to form the silver coating, and applying at least one layer of paint over the silvered substrate.
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3. A mirror comprising a vitreous substrate carrying a silver coating which is not covered with a protective layer of copper, there being palladium provided at the vitreous substrate, the mirror exhibiting an average number of white specks of less than 10 per dm2, after having been subjected to at least one of the following tests:
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(a) a 120 hour accelerated ageing GASS Test;
(b) a 480 hour Salt Fog Test. - View Dependent Claims (4, 5, 6, 7, 8, 9)
the vitreous substrate in the form of a glass sheet having a surface, palladium and tin provided at said surface of the glass sheet, the silver coating layer on said surface of the glass sheet, tin present at the surface of the silver coating layer which is adjacent to at least one paint layer covering the silver coating layer, at least one paint layer covering the silver coating layer.
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10. A mirror with no copper layer which comprises in the order recited:
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a vitreous substrate;
palladium provided at a surface of the vitreous substrate;
a silver coating layer on said surface of the vitreous substrate; and
at least one paint layer covering the silver coating layer. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A mirror with no copper layer which comprises in the order recited:
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a vitreous substrate both tin and at least one material selected from the group consisting of bismuth, chromium, gold, indium, nickel, platinum, rhodium, ruthenium, titanium, vanadium and zinc provided at a surface of the vitreous substrate, a silver coating layer on said surface of the substrate, and at least one paint layer covering the silver coating layer. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. A mirror with no copper layer which comprises:
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a vitreous substrate in the form of a glass sheet having a surface, palladium and tin provided at said surface of the glass sheet, a silver coating layer on said surface of the glass sheet, tin present at the surface of the silver coating layer which is adjacent to at least one paint layer covering the silver coating layer, at least one paint layer covering the silver coating layer. - View Dependent Claims (28, 29, 30)
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31. A mirror with no copper layer which comprises:
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a vitreous substrate in the form of a glass sheet having a surface, palladium and tin provided at said surface of the glass sheet, a silver coating layer having a thickness of 70 to 100 nm on said surface of the glass sheet, tin present at the surface of the silver coating layer which is adjacent to at least one paint layer covering the silver coating layer, traces of a silane present at the surface of the silver coating layer which is adjacent to the at least one paint layer, at least one paint layer covering the silver coating layer. - View Dependent Claims (32)
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Specification