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An article includes a first substrate, a functional coating deposited over at least a portion of the substrate, and a protective coating deposited over the functional coating. The functional coating and the protective coating define a coating stack. A polymeric material is deposited over at least a

An article includes a first substrate, a functional coating deposited over at least a portion of the substrate, and a protective coating deposited over the functional coating. The functional coating and the protective coating define a coating stack. A polymeric material is deposited over at least a portion of the protective coating. The protective coating has a refractive index that is substantially the same as the refractive index of the polymeric material.

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1. A method of making a laminated article, comprising: forming a functional coating over at least a portion of a first major surface of a substrate, wherein the functional coating comprises a multilayer coating comprising at least one infrared reflective metal film with multiple metal oxide films;fo

1. A method of making a laminated article, comprising: forming a functional coating over at least a portion of a first major surface of a substrate, wherein the functional coating comprises a multilayer coating comprising at least one infrared reflective metal film with multiple metal oxide films;forming a protective coating over at least a portion of the functional coating, wherein the protective coating consists of a single layer consisting of a mixture of silica and alumina having at least 80 wt. % silica, wherein the protective coating has a thickness in the range of 300 Å to 5 microns, and wherein the functional coating and the protective coating define a coating stack;providing a second substrate; andproviding a polymeric material between the protective coating and the second substrate, wherein the protective coating has a refractive index in the range of ±0.2 with respect to the refractive index of the polymeric material. 2. The method as claimed in claim 1, wherein the functional coating has an emissivity in the range of greater than 0 to 0.1. 3. The method as claimed in claim 1, wherein the protective coating increases the emissivity of the coating stack to be at least 0.3. 4. The method as claimed in claim 1, wherein the protective coating has a refractive index within the range of ±0.1 with respect to the refractive index of the polymeric material. 5. The method as claimed in claim 1, wherein the protective coating is of non-uniform thickness. 6. The method as claimed in claim 1, wherein the first and second substrates comprise glass, the functional coating comprises a solar control coating, the polymeric material comprises polyvinyl butyral, and the protective coating has a refractive index in the range of 1.5±0.1. 7. A method of making a laminated article, comprising: forming a functional coating over at least a portion of a first major surface of a substrate, wherein the functional coating comprises a multilayer coating comprising at least one infrared reflective metal film with multiple metal oxide films;forming a protective coating over at least a portion of the functional coating to form a coating stack, wherein the protective coating is a multilayer coating consisting of a first layer formed over the functional coating and a second layer formed over the first layer, wherein the first layer is selected from the group consisting of alumina, silica, and a mixture of alumina and silica, and the second layer consists of a mixture of alumina and silica, wherein the first layer includes at least 50 wt. % alumina and the second layer includes at least 50 wt. % silica, and wherein the protective coating has a thickness in the range of 300 Å to 5 microns;providing a second substrate; andpositioning a polymeric material between the first and second substrates, with the protective coating having a refractive index substantially the same as the refractive index of the polymeric material. 8. The method as claimed in claim 7, wherein the first layer comprises at least 60 wt. % alumina. 9. The method as claimed in claim 7, wherein the first layer has a thickness in the range of 50 Å to 1 micron. 10. The method as claimed in claim 7, wherein the second layer comprises at least 70 wt. % silica. 11. The method as claimed in claim 7, wherein the second layer has a thickness in the range of 50 Å to 2,000 Å. 12. A method of making a coated article, comprising: forming a functional coating over at least a portion of a substrate, wherein the functional coating comprises a multilayer coating comprising at least one infrared reflective metal film with multiple metal oxide films; andforming a protective coating consisting of a single layer consisting of a mixture of silica and alumina over at least a portion of the functional coating, wherein the functional coating and the protective coating define a coating stack, and wherein the protective coating has a thickness in the range of 300 Å to 5 microns, and wherein the protective coating comprises at least 80 wt. % silica. 13. The method as claimed in claim 12, further including: providing a polymeric material over at least a portion of the protective coating, wherein the protective coating has a refractive index that is substantially the same as the refractive index of the polymeric material. 14. The method as claimed in claim 12, wherein the functional coating has an emissivity of 0.1 or less. 15. The method as claimed in claim 12, wherein the protective coating has a refractive index within ±0.2 of the refractive index of the polymeric material. 16. The article as claimed in claim 12, wherein the protective coating has a non-uniform thickness. 17. A method of making a coated article, comprising: forming a functional coating over at least a portion of the substrate, wherein a functional coating comprises a multilayer coating comprising at least one infrared reflective metal film with multiple metal oxide layers; andforming a multilayer protective coating consisting of a first layer formed over the functional coating and a second layer formed over at least a portion of the first layer, wherein the first layer is selected from the group consisting of alumina, silica, and a mixture of alumina and silica, and the second layer consists of a mixture of alumina and silica, wherein the first layer includes at least 50 wt. % alumina and the second layer includes at least 50 wt. % silica, wherein the functional coating and the protective coating define a coating stack, and wherein the protective coating has a thickness in the range of 300 Åto 5 microns. 18. The method as claimed in claim 17, further including: providing a polymeric material over at least a portion of the protective coating, wherein the protective coating has a refractive index that is substantially the same as the refractive index of the polymeric material. 19. The method as claimed in claim 17, wherein the first layer comprises at least 60 wt. % alumina. 20. The method as claimed in claim 19, wherein the first layer has a thickness in the range of 50 Å to 1 micron. 21. The method as claimed in claim 17, wherein the second layer comprises at least 70 wt. % silica. 22. The method as claimed in claim 21, wherein the second layer has a thickness in the range of 50 Å to 2,000 Å. 23. The method as claimed in claim 17, further including: positioning a second substrate over the first substrate with the functional coating located between the substrates; andheating the substrates to bend the substrates to a desired shape.