CN201817407U

CN201817407U - Temperable low emissivity glass

Info

Publication number: CN201817407U
Application number: CN2010205453804U
Authority: CN
Inventors: 林嘉宏
Original assignee: 林嘉宏
Current assignee: Changjiang Glass Co., Ltd., Taibo
Priority date: 2010-09-28
Filing date: 2010-09-28
Publication date: 2011-05-04
Anticipated expiration: 2020-09-28

Abstract

The utility model discloses a temperable low emissivity glass which comprises a float glass and a film plated layer, wherein the film plated layer comprises a first dielectric layer, a second dielectric layer, a third dielectric layer, an Ag layer, a protective layer, a fourth dielectric layer and a fifth dielectric layer which are sequentially plated outwards on the float glass used as a basal layer. In the utility model, the silver layer which has infrared reflection capability and the dielectric layers which can reduce the visible light reflection and protect the silver layer are plated in the film layer, and the dielectric layer made of novel materials and the partially oxidized metal protective layer are plated on the float glass, so that the appearance and properties of the temperable low emissivity glass can not be affected in the processes of long-distance transportation, cutting, milling and other pretreatment as well as tempering, hot bending and other high-temperature treatment. The utility model has the advantages of low radiant emissivity E, high visible light transmittance and low shading coefficient, and can ensure favorable wear resistance and oxidation resistance of the product, thereby ensuring the yield for cutting, milling, tempering, hot bending or the like after film plating.

Description

But tempered and low-radiation glass

Technical field

The utility model relates to a kind of coated glass, but especially relates to a kind of high-performance tempered and low-radiation glass that uses type material.

Background technology

The radiation coated glass capable of being toughened product of Sheng Chaning in the market; in order to guarantee (the cutting of plated film post-treatment; wash mill; tempering or hot bending) yield rate; the wear-resisting wiping that the method for common employing minimizing silver thickness or increase protective layer thickness improves product; antioxidant property; so directly caused the radiant ratio (E value) of product higher; its E value is near the GB upper limit 0.15; visible light transmissivity is on the low side; restricted the thermal property of product; under normal conditions; but steel low radiation coated glass performance is not as common low radiation coated glass; and some producer is in order to produce the product of high visible light transmissivity; do not stint and adopt the method for pad pasting to improve yield rate, thereby cause the increase of production cost.

Summary of the invention

In order to overcome the deficiencies in the prior art, but the purpose of this utility model is to provide the tempered and low-radiation that a kind of cost is low, radiant ratio is low, visible light transmissivity is high glass.

The utility model is achieved through the following technical solutions:

But a kind of tempered and low-radiation glass; comprise float glass and coatings; it is characterized in that coatings comprises with the float glass being outside first dielectric layer, second dielectric layer, the 3rd dielectric layer, Ag layer, protective layer, the 4th dielectric layer and the 5th dielectric layer of plating successively of basal layer.

Wherein the material of first dielectric layer and the 5th dielectric layer is Si ₃N ₄

The material of second dielectric layer is Nb ₂O ₅

The material of the 3rd dielectric layer is ZnAlOx;

The material of the 4th dielectric layer is ZnSnO3;

And the material of protective layer is NiCrOx.

The beneficial effects of the utility model are: the utility model has the silver layer of infrared reflection ability by plating one deck in rete and has the dielectric layer that reduces visible light reflection and the effect of protection silver layer; particularly on float glass, plate the dielectric layer of one deck use type material; and the coat of metal of partial oxidation; make that the utility model can be in long-distance transport; cutting; wash mill and wait the processing pre-treatment; even through tempering; when high temperature such as hot bending are handled; its outward appearance and performance all can not be affected; and radiant ratio E value can be low; the visible light transmissivity height; shading coefficient is low; and can guarantee that product has good rub resistance and antioxidant property, thereby guarantee the cutting behind the plated film; wash mill; the yield rate of processing such as tempering or hot bending.

Description of drawings

Fig. 1 is the structural representation of the utility model one embodiment.

Main Reference numeral implication is among the figure:

1, float glass 2, first dielectric layer 3, second dielectric layer

4, the 3rd dielectric layer 5, Ag layer 6, protective layer

7, the 4th dielectric layer 8, the 3rd dielectric layer.

Embodiment

Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail:

Fig. 1 is the structural representation of the utility model one embodiment.

As shown in Figure 1: but tempered and low-radiation glass; comprise float glass and coatings, coatings comprises that with float glass 1 be outside first dielectric layer 2, second dielectric layer 3, the 3rd dielectric layer 4, Ag layer 5, protective layer 6, the 4th dielectric layer 7 and the 5th dielectric layer 8 of plating successively of basal layer.

Wherein the material of first dielectric layer 2 and the 5th dielectric layer 8 is Si ₃N ₄The material of second dielectric layer 3 is Nb ₂O ₅The material of the 3rd dielectric layer 4 is ZnAlOx; The material of the 4th dielectric layer is ZnSnO37; And the material of protective layer 6 is NiCrOx.

In addition; production technique of the present utility model is: at first select fresh float glass 1 for use; after reaching requirement by the cleaning machine cleaning then; be coated with first dielectric layer 2, second dielectric layer 3, the 3rd dielectric layer 4, Ag layer 5, protective layer 6, the 4th dielectric layer 7 and the 5th dielectric layer 8 in order successively, after pack with PE cloth after the processing of plastic-blasting rubber powder grain.

More specifically be: first dielectric layer 2 wherein and the 5th dielectric layer 8 are the sial target sputters in nitrogen, argon atmosphere that exchange negative electrode by rotation, Si:Al=98:2 wherein, and it act as: the Na in a, the prevention glass ⁺In rete, permeate; B, guarantee that product color and performance after Overheating Treatment can not be affected; Adsorptive power between c, increase rete and the glass substrate;

Second dielectric layer 3 is by niobium oxides target sputter in oxygen, argon atmosphere of rotation interchange negative electrode, and effect is the bonding force between a, the increase rete; B, make rete can better with the combination of Ag layer, and protection Ag layer is not oxidized;

The 3rd dielectric substrate 4 exchanges zinc-aluminium target sputter in nitrogen, argon atmosphere of negative electrode by rotation, Zn:Al=98:2 wherein, and effect is a, silver layer is played the place mat effect, and silver layer is film forming better thereon; B, the protection silver layer not oxidized;

Then by silver-colored target sputter in argon atmosphere of direct current planar negative electrode, effect is silver layer 5: the functional layer reflected infrared;

In addition, protective layer 6 is by the sputter in oxygen argon atmosphere of direct current planar negative electrode NiCr alloys target, Ni:Cr=80:20 wherein, and effect is: the protection silver layer is not oxidized;

The 4th dielectric layer 7 exchanges Zinc-tin alloy target sputter in oxygen argon atmosphere of negative electrode by rotation, Zn:Sn=50:50 wherein, and effect is: a, protect whole film layer structure, reduce oxidation, improve physics and chemical property; The optical property and the color of b, controlling diaphragm system.

Production technique of the present utility model is simple, reduced production cost, radiant ratio E value is low, visible light transmissivity is high, and shading coefficient is low, and can guarantee that product has good rub resistance and antioxidant property, thus guarantee behind the plated film cutting, wash the yield rate of processing such as mill, tempering or hot bending.

Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within the protection domain of the present utility model.

Claims

1. but tempered and low-radiation glass; comprise float glass and coatings; it is characterized in that coatings comprises with the float glass being outside first dielectric layer, second dielectric layer, the 3rd dielectric layer, Ag layer, protective layer, the 4th dielectric layer and the 5th dielectric layer of plating successively of basal layer.

2. but tempered and low-radiation glass according to claim 1 is characterized in that, the material of described first dielectric layer and the 5th dielectric layer is Si ₃N ₄

3. but tempered and low-radiation glass according to claim 1 is characterized in that, the material of described second dielectric layer is Nb ₂O ₅

4. but tempered and low-radiation glass according to claim 1 is characterized in that, the material of described the 3rd dielectric layer is ZnAlOx.

5. but tempered and low-radiation glass according to claim 1 is characterized in that, the material of described the 4th dielectric layer is ZnSnO3.

6. but tempered and low-radiation glass according to claim 1 is characterized in that, the material of described protective layer is NiCrOx.