Bendable low radiation coated glass

A technology of low-emissivity coating and coated glass, applied in the field of coated glass, can solve the problems that the film layer cannot withstand high temperature for a long time and the solar transmittance is reduced, and achieves the effect of clear appearance, saving heating costs, and saving cooling costs.

Inactive Publication Date: 2009-02-25
FUYAO GLASS IND GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The object of the present invention is to overcome the defect that the film layer in the prior art cannot withstand high temperature for a long time, to p...

Method used

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  • Bendable low radiation coated glass
  • Bendable low radiation coated glass

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The first dielectric layer is first plated on the clean green float glass with a thickness of 1.8mm (produced by Fuqing Factory of Fuyao Glass Group Float Division) after washing, polishing, and drying, that is, in order Coated with SiO x N y / NbO x / NiCrO x / ZnSnO x / ZnO x film layer, which is coated with SiO x N y The film layer uses a rotating target, plated with NbO x , NiCrO x , ZnSnO x The target used for the film layer is a planar target, ZnO x The film layer uses a rotating target; where,

[0040] SiO x N y In the film layer, x=0.3, y=1.5, and the film thickness is 40nm;

[0041] NbO x In the film layer, x=1.7 and the thickness is 12nm;

[0042] NiCrO x In the film layer, x=0.3 and the thickness is 15nm;

[0043] ZnSnO x In the film layer, x=1.8 and the thickness is 12nm;

[0044] ZnO x In the film layer, x=0.8, and the thickness is 8nm.

[0045] Secondly, a low-emissivity film layer, ie, an Ag layer, is coated. The target material used is a...

Embodiment 2

[0055] On the clean green float glass with a thickness of 2.1mm after washing, polishing and drying (produced by Fuqing Factory of Fuyao Glass Group Float Division), SiO2 is plated in sequence. x N y / SnO x / NiCrO x / SnO x / Ag / NiCrO x / SnO x / SiO x N y film layer, of which:

[0056] SiO x N y In the film layer, x=1.5, y=0.33, and the film thickness is 35nm;

[0057] SnO x In the film layer, x=1.5 and the thickness is 15nm;

[0058] NiCrO x In the film layer, x=0.3, and the thickness is 23nm;

[0059] SnO x In the film layer, x=1.5, and the thickness is 12nm.

[0060] Secondly, a low-radiation film layer, ie, an Ag layer, is plated on, and the thickness of the film layer is 15nm.

[0061] Then the second dielectric layer is plated, and NiCrO is plated in sequence x / SnO x layer;

[0062] NiCrO x In the film layer, x=0.3 and the thickness is 20nm;

[0063] SnO x In the film layer, x=1.6, and the thickness is 15nm.

[0064] Finally, a protective layer is pl...

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Abstract

The invention discloses low-emissivity coated glass which can be baked to be bent, relates to coated glass, in particular to the low-emissivity coated glass. The invention provides the low-emissivity coated glass and a sandwich heat-protecting glass formed by the low-emissivity coated glass. The low-emissivity coated glass is sequentially provided with a glass sheet, a first dielectric layer, a low-emissivity layer, a second dielectric layer and a protection layer, wherein, in a preferable embodiment, the coated glass is sequentially provided with glass substrate, SiOxNy, NbOx, NiCrOx, ZnSnOx, Ag, NiCrOx, NbOx and SiOxNy membranous layers. A polyvinyl butyral (PVB) layer and a glass sheet are sequentially overlapped outside the protection layer of the low-emissivity coated glass to form the sandwich heat-protecting glass. The visible light transmittance of the sandwich heat-protecting glass is at least 76%, and the solar energy transmittance is equal to or less than 48%; or the visible light transmittance is equal to or more than 70%, and the solar energy transmittance is equal to or less than 43%. The sandwich heat-protecting glass is particularly suitable for being used as the front windshield glass of an automobile.

Description

【Technical field】 [0001] The invention relates to a coated glass, which is especially suitable for low-radiation coated glass. 【Background technique】 [0002] Ordinary laminated glass is a sandwich structure of glass / PVB film / glass, which has no heat insulation function. However, laminated glass can achieve heat insulation function through different technical means. [0003] Chinese Patent No. 200620004861.8 discloses a heat-reflecting laminated glass, which describes the heat-reflecting function of laminated glass by changing the structure and material of PVB (Polyvinyl Butyral, polyvinyl butyral), because ordinary laminated glass is Not reflective or insulating. Its structure includes the first layer of glass, the second layer of glass, and the PVB functional film layer and the first PVB film layer between the two layers of glass. The PVB functional film layer includes a PVB film layer and a heat-reflecting film laminated with it. Layer, the heat reflective film layer i...

Claims

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Application Information

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IPC IPC(8): C03C17/34
Inventor 施忠惠尚贵才
Owner FUYAO GLASS IND GROUP CO LTD
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