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Sunlight controlled self cleaning glass and its producing method

A technology of sunlight control and manufacturing method, applied in the field of coated glass, can solve the problems of not finding the proportion of manufacturing sunlight control self-cleaning glass, not finding reports of sunlight control self-cleaning glass, etc.

Inactive Publication Date: 2007-04-11
FUYAO GLASS IND GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The search results show that there are literature reports on solar control coated glass, and there are also literature reports on self-cleaning glass, but no report on solar control self-cleaning glass is found, let alone the use of online high-temperature pyrolysis spraying process to manufacture solar control Report on self-cleaning ratio

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In this embodiment, the solar control self-cleaning glass consists of three layers.

[0036] The first layer is a glass plate, which is composed of colorless and transparent silica-sodium-calcium float glass, and the thickness of the glass plate is 6mm.

[0037] The second layer is a solar control layer, which is composed of three oxides of iron oxide, chromium oxide and cobalt oxide. The molar ratio of the three oxides is 1.5:1.5:7 in turn, and the film thickness is 50 nm.

[0038] The third layer is a self-cleaning layer, which is composed of titanium dioxide and has a thickness of 80 nm.

[0039] Product performance

[0040] After testing, the visible light transmittance of the sunlight control self-cleaning glass is 35%, the visible light reflectivity is 15%, the solar light transmittance can reach 37%, and the shading coefficient can reach 0.60.

[0041] Hydrophilic angle measurement: Take a 25mm×25mm sunlight-controlled self-cleaning glass sample, clean it with ...

Embodiment 2

[0046] In this embodiment, the solar control self-cleaning glass also consists of three layers.

[0047] The first layer is the glass plate, which is composed of blue silicon-sodium-calcium float glass produced by the bulk coloring process, and the thickness of the glass plate is 5mm.

[0048] The second layer is the solar control layer, which is composed of two oxides of titanium oxide and tin oxide, and the film thickness is 70nm. The molar ratio of titanium oxide and tin oxide is greater than 1.

[0049] The third layer is a self-cleaning layer, which is composed of titanium dioxide doped with silicon dioxide, the molar ratio of the two is 1:13, and the film thickness is 100 nm.

[0050] Product performance

[0051] After testing, the visible light transmittance of the sunlight control self-cleaning glass is 25%, the visible light reflectivity is 19%, the solar light transmittance can reach 26%, and the shading coefficient can reach 0.49.

[0052] Hydrophilic angle measu...

Embodiment 3

[0057] In this embodiment, the solar control self-cleaning glass also consists of three layers.

[0058] The first layer is a glass plate, which is composed of colorless and transparent silicon-sodium-calcium float glass, and the thickness of the glass plate is 8mm.

[0059] The second layer is the solar control layer, which is composed of three oxides of chromium oxide, nickel oxide, and aluminum oxide. The molar ratio of the three oxides is 3.4:5.8:0.8, and the film thickness is 70nm.

[0060] The third layer is a self-cleaning layer, which is composed of titanium dioxide doped with zirconium oxide and zinc oxide, the total amount of which is 7.5% of the total weight of the film, and the film thickness is 120 nm.

[0061] Product performance

[0062] After testing, the visible light transmittance of the sunlight control self-cleaning glass is 68%, the visible light reflectivity is 9%, the solar light transmittance can reach 51%, and the shading coefficient can reach 0.55. ...

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Abstract

The present invention discloses one kind of sunlight controlled self-cleaning glass and its making process. The sunlight controlled self-cleaning glass includes three layers, the first layer of glass plate, the second layer of sunlight controlled layer and the third layer of the outmost self-cleaning layer. The first layer is Si-Na-Ca glass; the second layer consists of at least one of the oxide of Fe, Cr, Cu, Co, Ti, Mn, Ni, V, Al, Mg, Sn and Ca; and the third layer consists of TiO2 with or without dopant. The sunlight controlled self-cleaning glass has both sunlight control and self-cleaning functions, and is made through on-line high temperature pyrolysis spraying process.

Description

【Technical field】 [0001] The invention relates to a sunlight control self-cleaning glass, which belongs to the technical field of coated glass. 【Background technique】 [0002] High-grade coated glass, according to the manufacturing process, is divided into online coated glass and offline coated glass; according to function, it is divided into sunlight control coated glass, low radiation coated glass, and sunlight control low radiation coated glass. [0003] Solar control coating glass, also known as heat reflective coating glass. Sun Control Coated glass has good light control properties, can play a role in thermal insulation and shading, and is favored by builders or / designer doors due to its colorful variety of colors. [0004] Sunlight control coated glass, according to the manufacturing process, is divided into online sun control coated glass and offline sun control coated glass. [0005] Off-line sunlight control coated glass is separate from the float glass productio...

Claims

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Application Information

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IPC IPC(8): C03C17/34C03C17/23
Inventor 尚贵才周杰赵福志刘鸿雁范丽香
Owner FUYAO GLASS IND GROUP CO LTD
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