Sun blocking stack

The invention relates to a multilayer sun blocking stack formed on a sheet of vitreous material, comprising at least one functional layer made from a material that reflects infrared radiation and comprising at least two dielectric coatings, each functional layer being surrounded by the dielectric co...

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Hauptverfasser: HECQ, ANDRE, ROQUINY, PHILIPPE
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creator HECQ, ANDRE
ROQUINY, PHILIPPE
description The invention relates to a multilayer sun blocking stack formed on a sheet of vitreous material, comprising at least one functional layer made from a material that reflects infrared radiation and comprising at least two dielectric coatings, each functional layer being surrounded by the dielectric coatings. Said stack, when it is placed on an ordinary clear float sodiocalcic glass sheet having a width of 6 mm, has a solar factor FS of less than 45 % and a light transmission TL of less than 70 %. According to the invention, the stack comprises an essentially metallic absorbent material based on the following elements: Pd, Pt, Au, Ir, Rh, Ru, Os, Co, Ni, Cu, Cr, La, Ce, Pr, Nd, W, Si, Zn, Mo, Mn, Ti, V, Nb, Hf, Ta and alloys thereof, placed in immediate proximity to the functional layer or included in this functional layer. The invention is particularly advantageous for forming selective glazings exhibiting a high level of sun blocking and having a nice aesthetic appearance and, in particular, glazings having been subjected to a high-temperature tempering and/or bending heat treatment.
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Said stack, when it is placed on an ordinary clear float sodiocalcic glass sheet having a width of 6 mm, has a solar factor FS of less than 45 % and a light transmission TL of less than 70 %. According to the invention, the stack comprises an essentially metallic absorbent material based on the following elements: Pd, Pt, Au, Ir, Rh, Ru, Os, Co, Ni, Cu, Cr, La, Ce, Pr, Nd, W, Si, Zn, Mo, Mn, Ti, V, Nb, Hf, Ta and alloys thereof, placed in immediate proximity to the functional layer or included in this functional layer. 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subjects CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
METALLURGY
MINERAL OR SLAG WOOL
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
title Sun blocking stack
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