CN102501447B

CN102501447B - Double-silver LOW-E glass

Info

Publication number: CN102501447B
Application number: CN201110348917.7A
Authority: CN
Inventors: 孙叠文
Original assignee: TORCH BRANCH ZHONGSHAN GRAND GLASS CO Ltd
Current assignee: TORCH BRANCH ZHONGSHAN GRAND GLASS CO Ltd
Priority date: 2011-11-07
Filing date: 2011-11-07
Publication date: 2014-06-11
Anticipated expiration: 2031-11-07
Also published as: CN102501447A

Abstract

The invention discloses double-silver LOW-E glass, which comprises a glass substrate. Eleven films are adjacently compounded on the composite surface of the glass substrate from inside to outside in turn. The double-silver LOW-E glass is characterized in that: the first film, namely the innermost layer is a Si3N4 layer; the second layer is a TiO2 layer; the third layer is a NiCrO2 layer; the fourth layer is a TiO2 layer; the fifth layer is a Ag layer; the sixth layer is a NiCrO layer; the seventh layer is a TiO2 layer; the eighth layer is a NiCrO layer; the ninth layer is a Ag layer; the tenth layer is a NiCrO layer; and the outermost layer is a Si3O4 layer. The invention aims to provide double-silver LOW-E glass which has high transmissivity, improves the hardness of the films and prevents poor atoms from penetrating and damaging silver layers to overcome the defects of the prior art.

Description

Two silver-colored LOW-E glass

[technical field]

The present invention relates to a kind of coated glass, more specifically say a kind of two silver-colored LOW-E glass.

[background technology]

Glass is to play the part of key player in contemporary production and life, and glass is all used in the many places of the door and window automotive window of building and windshield etc., brings a lot of convenience to production and life.But simple glass sunlight transmitance is low, after tempering, transmitance and drift value are large, and misalignment is large.

[summary of the invention]

The present invention seeks to have overcome the deficiencies in the prior art, provide a kind of transmitance high, improve film hardness and avoid bad atom deeply to destroy the two silver-colored LOW-E glass of silver layer.

The present invention is achieved by the following technical solutions:

A kind of two silver-colored LOW-E glass, includes glass substrate 1, is adjacent to successively from inside to outside be compounded with 11 retes on the composite surface of glass substrate, it is characterized in that: wherein the first rete is that innermost layer is Si ₃n ₄layer 21, the second layer is TiO ₂layer 22, the three layers be NiCrO ₂ layer 23, the four layers be TiO ₂layer 24, layer 5 is Ag layer 25, and layer 6 is NiCrO layer 26, and layer 7 is TiO ₂27, the eight layers, layer be that 28, the nine layers, NiCrO layer is that 29, the ten layers, Ag layer is that NiCrO layer 20 outermost layer are Si ₃n ₄layer 211.

Two silver-colored LOW-E glass as above, is characterized in that the Si of described the first rete ₃n ₄the thickness of layer 21 is 15～20nm.

Two silver-colored LOW-E glass as above, is characterized in that the TiO of described the second rete ₂the thickness of layer 22 is 25～35nm.

Two silver-colored LOW-E glass as above, is characterized in that the NiCrO of described tertiary membrane layer ₂the thickness of layer 23 is 2～5nm.

Two silver-colored LOW-E glass as above, is characterized in that described the 4th layer of TiO ₂the thickness of layer 24 is 5～10nm.

Two silver-colored LOW-E glass as above, the thickness that it is characterized in that described layer 5 Ag layer 25 is 8nm.

Two silver-colored LOW-E glass as above, the thickness that it is characterized in that described layer 6 NiCrO layer 26 is 2～5nm.

Two silver-colored LOW-E glass as above, is characterized in that described layer 7 TiO ₂the thickness of layer 27 is 25～35nm.

Two silver-colored LOW-E glass as above, the thickness that it is characterized in that described the 8th layer of NiCrO layer 26 is 2～5nm.

Two silver-colored LOW-E glass as above, the thickness that it is characterized in that described the 9th layer of Ag layer 25 is 10nm, the thickness of the described ten layer of NiCrO layer 20 is 2～5nm, described outermost layer Si ₃n ₄the thickness of layer 211 is 25～35nm.

Compared with prior art, the present invention has the following advantages:

1, this glass utilizes TiO ₂can reduce the surface resistance of silver layer, reduce silver-colored consumption, produce light scattering, Si after can reducing LOW-E heat treatment again ₃n ₄make teleblem and counterdie, improve film hardness and avoid bad atom deeply to destroy silver layer film plating layer, at high temperature heat resistance is better to make whole rete, and mechanicalness is better, has the characteristic to visible ray high transmission and the high reflection of centering far infrared.

2, this glass light transmittance T (seeing through the luminous flux of transparent or semitransparent body and the percentage of its incident flux) >=78%; This glass radiance≤0.04, radiance is the ratio of heat commensurate area black matrix radiations heat energy under uniform temp, the same terms of the unit are radiation of object.Radiance definition is the ability of object absorption or reflecting heat.The radiance of glass is more close to zero, and its heat-insulating property is just better.Reflectivity RG=7%～15%, shading coefficient SC=0.5～0.65.

3, this glass can use as double glazing, can long term storage before two double glazings close sheet, and offsite engagement piece is easy to process.

4, after this glass tempering, transmitance deviation is little, drift about little, and misalignment little a*=-2～-4, b*=-4～-7.

[accompanying drawing explanation]

Fig. 1 is structural representation of the present invention.

[specific embodiment]

A kind of two silver-colored LOW-E glass, includes glass substrate 1, is adjacent to successively from inside to outside be compounded with 11 retes on the composite surface of glass substrate, and wherein the first rete is that innermost layer is Si ₃n ₄layer 21, the second layer is TiO ₂layer 22, the three layers be NiCrO ₂ layer 23, the four layers be TiO ₂layer 24, layer 5 is Ag layer 25, and layer 6 is NiCrO layer 26, and layer 7 is TiO ₂27, the eight layers, layer be that 28, the nine layers, NiCrO layer is that 29, the ten layers, Ag layer is that NiCrO layer 20 outermost layer are Si ₃n ₄layer 211.

Described innermost layer Si ₃n ₄layer 21, i.e. silicon nitride layer; Si ₃n ₄be a kind of adamantine material, improve film hardness and avoid bad atom deeply to destroy silver layer film plating layer, at high temperature heat resistance is better to make whole rete, and mechanicalness is better, and it has guaranteed that whole coating has good mechanical endurance.Si ₃n ₄the thickness of layer 21 is 15～20nm, and nm is nanometer, 1m=109nm.

Described second layer TiO ₂layer 22, i.e. titanyl compound---titanium dioxide.Adopt the TiO of high index of refraction n=2.5 ₂be the light transmittance in order to improve glass, reduce the surface resistance of silver layer, reduce silver-colored consumption, produce light scattering after can reducing LOW-E heat treatment again, and glass is neutral color, TiO ₂film surface is very smooth, thereby has improved the conductance of silverskin.TiO ₂the thickness of layer is 25～35nm.

The NiCrO of described tertiary membrane layer ₂layer 23; be titanium dioxide nickel chromium triangle layer, titanium dioxide nickel chromium triangle layer is in order further to protect silverskin, to avoid silverskin to be subject to etch at reactive sputtering process; also to increase so-called " barrier layer " in thin silverskin one or both sides, there is very good anti-chemistry and mechanical performance for coating.Thickness is 2～5nm.

Described the 4th layer of TiO ₂layer 24, i.e. titanyl compound---titanium dioxide, thickness is 5～10nm.

Described layer 5 Ag layer 25, i.e. metallic silver layer, argent provides lower radiance, plays environmental protection and energy saving; Thickness is 8nm.

Described layer 6 NiCrO layer 26; be oxidized nicr layer; oxidation nicr layer is in order further to protect silverskin; to avoid silverskin to be subject to etch at reactive sputtering process; also to increase so-called " barrier layer " in thin silverskin one or both sides, there is very good anti-chemistry and mechanical performance for coating.Thickness is 2～5nm.

Described layer 7 TiO ₂layer 27, i.e. titanyl compound---titanium dioxide, thickness is 25～35nm.

Described the 8th layer of NiCrO layer 26, is oxidized nicr layer, and thickness is 2～5nm.

Described the 9th layer of Ag layer 25, i.e. metallic silver layer, argent provides lower radiance, plays environmental protection and energy saving; Thickness is 10nm.

The described ten layer of NiCrO layer 20, is oxidized nicr layer, and thickness is 2～5nm.

Described outermost layer Si ₃n ₄layer 211, i.e. silicon nitride layer; It has guaranteed that whole coating has good mechanical endurance.Si ₃n ₄film is very hard, and scratch resistance, and its hardness is three times of glass, is TiO ₂two times; Si ₃n ₄refractive index be 2.05, absorptivity is almost nil, so it is fit closely as the top layer of Low-e coating.Si ₃n ₄the thickness of layer is 25～35nm.

Two silver-colored LOW-E glass improves a lot on solar properties, and two-layer silverskin can make emissivity drop to very low value, and heat transfer coefficient drops to low value; And it is reducing in solar energy, still can keep very high visible light transmissivity, so that two silver-colored LOW-E coating has aspect solar properties is good selective.

LOW-E glass is also called low radiation coated glass.

This glass utilizes TiO ₂can reduce the surface resistance of silver layer, reduce silver-colored consumption, produce light scattering, Si after can reducing LOW-E heat treatment again ₃n ₄make teleblem and counterdie, improve film hardness and avoid bad atom deeply to destroy silver layer film plating layer, at high temperature heat resistance is better to make whole rete, and mechanicalness is better, has the characteristic to visible ray high transmission and the high reflection of centering far infrared.

This glass light transmittance T (seeing through the luminous flux of transparent or semitransparent body and the percentage of its incident flux) >=78%; This glass radiance≤0.04, radiance is the ratio of heat commensurate area black matrix radiations heat energy under uniform temp, the same terms of the unit are radiation of object.Radiance definition is the ability of object absorption or reflecting heat.The radiance of glass is more close to zero, and its heat-insulating property is just better.Reflectivity RG=715, shading coefficient SC=0.5～0.65.

This glass can use as double glazing, can long term storage before two double glazings close sheet, and offsite engagement piece is easy to process.

After this glass tempering, transmitance deviation is little, drift about little, and misalignment little a*=-2～-4, b*=-4～-7.

Claims

1. pair silver-colored LOW-E glass, includes glass substrate (1), is adjacent to successively from inside to outside be compounded with 11 retes on the composite surface of glass substrate, it is characterized in that: wherein the first rete is that innermost layer is Si ₃n ₄layer (21), the second layer is TiO ₂layer (22), the 3rd layer is NiCrO ₂layer (23), the 4th layer is TiO ₂layer (24), layer 5 is Ag layer (25), and layer 6 is NiCrO layer (26), and layer 7 is TiO ₂layer (27), the 8th layer is NiCrO layer (28), and the 9th layer is Ag layer (29), and the tenth layer is NiCrO layer (20), and outermost layer is Si ₃n ₄layer (211), the Si of described the first rete ₃n ₄the thickness of layer (21) is 15～20nm, the TiO of described the second rete ₂the thickness of layer (22) is 25～35nm, the NiCrO of described tertiary membrane layer ₂the thickness of layer (23) is 2～5nm, described the 4th layer of TiO ₂the thickness of layer (24) is 5～10nm, and the thickness of described layer 5 Ag layer (25) is 8nm, and the thickness of described layer 6 NiCrO layer (26) is 2～5nm, described layer 7 TiO ₂the thickness of layer (27) is 25～35nm, and the thickness of described the 8th layer of NiCrO layer (26) is 2～5nm, and the thickness of described the 9th layer of Ag layer (25) is 10nm, and the thickness of the described ten layer of NiCrO layer (20) is 2～5nm, described outermost layer Si ₃n ₄the thickness of layer (211) is 25～35nm.