[summary of the invention]
The present invention seeks to overcome the deficiencies in the prior art, provide a kind of clean difficult problem both having solved skyscraper glass surface, also meet building testing agency to the two-sided rete glass of the index request of glass thermal property.Present invention also offers a kind of preparation method of two-sided rete glass and apply the double glazing of this double-side membrane glass.
The present invention is achieved by the following technical solutions:
Two-sided rete glass, includes glass substrate 1, it is characterized in that: on the reverse side of glass substrate 1, be compounded with two silver-colored LOW-E rete 2, front be compounded with automatically cleaning rete 3.
Two-sided rete glass as above, is characterized in that described automatically cleaning rete 3 is Nano titanium dioxide coating.
Two-sided rete glass as above, it is characterized in that described two silver-colored LOW-E rete 2 is included in seven retes that glass substrate 1 reverse side is adjacent to compound from inside to outside successively, wherein the first rete and innermost layer are Si3n4layer 21, the second layer is AZO layer 22, and third layer is the 23, four layer, Ag layer is AZO layer 24, and layer 5 is Ag layer 25, and layer 6 is AZO layer 26, and outermost layer is Si3n4layer 27.
Two-sided rete glass as above, is characterized in that the Si of described first rete3n4the thickness of layer 21 is 40 ~ 45nm, the thickness of described second layer AZO layer 22 is 12 ~ 17nm, the thickness of described third layer Ag layer 23 is 5 ~ 10nm, the thickness of described 4th layer of AZO layer 24 is 80 ~ 100nm, the thickness of described layer 5 Ag layer 25 is 12 ~ 17nm, the thickness of described layer 6 AZO layer 26 is 12 ~ 17nm, described outermost layer Si3n4the thickness of layer 27 is 40 ~ 45nm.
Two-sided rete glass as above, is characterized in that the thickness of described 4th layer of AZO layer 24 is 90nm.
The double glazing of double-side membrane glass, towards the two-sided rete glass 10 of outdoor and indoor glass 20 when it is characterized in that comprising use, sealed aluminum frame 30 is provided with between described two-sided rete glass 10 and indoor glass 20, described two-sided rete glass 10 includes glass substrate 1, on the side of indoor, be compounded with two silver-colored LOW-E rete 2 at glass substrate 1, on the side of outdoor, be compounded with automatically cleaning rete 3.
Prepare the method for two-sided rete glass, it is characterized in that comprising the steps:
(1) glass surface washed with de-ionized water;
(2) automatically cleaning rete 3 is plated in the tin face of float glass, i.e. Nano titanium dioxide coating with roller coating technology;
(3) be heating and curing at the temperature of 190 ~ 210 DEG C;
(4) by automatically cleaning rete 3 to enterprising annealing furnace tempering;
(5) automatically cleaning rete 3 is coated with on horizontal magnetron sputtering coater two silver-colored LOW-E rete downwards.
Method as above, is characterized in that described step (5) comprises the steps:
(51) magnetron sputtering Si3n4layer, makes reacting gas sputtering semi-conducting material SiAl weight ratio Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%;
(52) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply;
(53) magnetron sputtering Ag layer, with AC power sputtering, reduces radiance;
(54) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply;
(55) magnetron sputtering Ag layer, with AC power sputtering, reduces radiance;
(56) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply;
(57) magnetron sputtering Si3n4layer, makes reacting gas sputtering semi-conducting material SiAl weight ratio Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%.
Compared with prior art, the present invention has the following advantages:
1, the present invention is coated with automatically cleaning colloidal sol rete and high performance two silver-colored LOW-E rete in same glass substrate two sides, one side is coated with novel automatically cleaning colloidal sol rete by roller coating technology, another side is coated with the two silver-colored LOW-E rete of optimization by vacuum magnetic-control sputtering technology, realizes horizontal coating machine plates double-side membrane.Both solve a clean difficult problem for skyscraper glass surface, also meet building testing agency to the index request of glass thermal property.After making compound, glass not only possesses the excellent thermal property of two silver-colored LOW-E glass, but also possess function and the photo-induced super-hydrophilicity of self-cleaning glass degradation of organic substances, under the scrubbing of rainwater, loose dirt can be removed, reach the performance that glass surface is clean.
2, the two silver-colored LOW-E rete of the present invention provides a kind of new membrane system, new ceramics target AZO is adopted to instead of barrier layer in former film system and Themiddle refractive layer, not only save target position, and overcome the shortcoming easily falling target, produced cleaning cycle and can extend to for three weeks.
3, the two silver-colored LOW-E rete of the present invention haves three layers AZO altogether, all by the ceramic target that midfrequent AC power supply sputters.Dielectric layer is not only made but also do barrier layer in 2 layers, front and back, has not only saved target position, has also improved the visible light transmissivity of glass.What adopt above-mentioned Film Design can save at least 4 target position than existing barrier layer NiCr intermediate layer ZnSnOx by the two silver-colored LOW-E glass of tempering, greatly reduces that produce can the platform of the two silver-colored LOW-E of tempering; Middle AZO not only improves the visible light transmissivity of glass, because ceramic target is relatively cleaner, also extends each service time of taking turns greatly.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the present invention will be described in detail.
As shown in Figure 1, two-sided rete glass, includes glass substrate 1, the reverse side of glass substrate 1 is compounded with two silver-colored LOW-E rete 2, front is compounded with automatically cleaning rete 3.
Described automatically cleaning rete 3 is Nano titanium dioxide coating.
Described two silver-colored LOW-E rete 2 is included in seven retes that glass substrate 1 reverse side is adjacent to compound from inside to outside successively, and wherein the first rete and innermost layer are Si3n4layer 21, the second layer is AZO layer 22, and third layer is the 23, four layer, Ag layer is AZO layer 24, and layer 5 is Ag layer 25, and layer 6 is AZO layer 26, and outermost layer is Si3n4layer 27.
The Si of described first rete3n4layer 21, i.e. silicon nitride layer is dielectric layer.Si3n4be a kind of adamantine material, improve physical property and the antioxygenic property of rete, it ensure whole coating and there is good mechanical endurance, be arranged on last one barrier of innermost layer as cover glass.Make reacting gas sputtering semi-conducting material Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%, improves physical property and the antioxygenic property of rete.Si3n4the thickness of layer is 40 ~ 45nm, and preferred 42nm, nm are nanometers, 1m=109nm.
Described second layer AZO layer 22, i.e. the zinc oxide film of aluminium doping, AZO is dielectric layer and barrier layer, stops the Na of glass surface+to the destruction of functional layer.Calm down silver layer, in toughening process, prevent silver layer from caving in, improve the refractive index of glass.The thickness of AZO layer is 12 ~ 17nm.Preferred 15nm.
Described third layer Ag layer 23, i.e. metallic silver layer, metallic silver layer provides lower radiance, plays environmental protection and energy saving.The thickness of Ag layer is 5 ~ 10nm, preferred 8nm.
Described 4th layer of AZO layer 24, i.e. the zinc oxide film of aluminium doping, AZO layer 24 is Themiddle refractive layer, by midfrequent AC power supply sputtering ceramic target, improves the visible light transmissivity of glass.The thickness of AZO layer is 80 ~ 100nm.Preferred 90nm.The AZO layer of super thick not only improves the visible light transmissivity of glass, because ceramic target is relatively cleaner, also extends each service time of taking turns greatly.
Described layer 5 Ag layer 25, i.e. metallic silver layer, metallic silver layer provides lower radiance, plays environmental protection and energy saving.The thickness of Ag layer is 12 ~ 17nm, preferred 15nm.
Described layer 6 AZO layer 26, i.e. the zinc oxide film of aluminium doping, AZO is dielectric layer and barrier layer, stops the Na of glass surface+to the destruction of functional layer.Calm down silver layer, in toughening process, prevent silver layer from caving in, improve the refractive index of glass.The thickness of AZO layer is 12 ~ 17nm, selects excellent 15nm.
Described outermost layer Si3n4layer 29, i.e. silicon nitride layer; Si3n4be a kind of adamantine material, improve physical property and the antioxygenic property of rete, it ensure whole coating and there is good mechanical endurance, be arranged on the first barrier of outermost layer as the whole rete of protection.Make reacting gas sputtering semi-conducting material Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%, improves physical property and the antioxygenic property of rete.Si3n4the thickness of layer is 40 ~ 45nm, preferred 42nm.
As shown in Figure 2, double glazing, towards the two-sided rete glass 10 of outdoor and indoor glass 20 when comprising use, sealed aluminum frame 30 is provided with between described two-sided rete glass 10 and indoor glass 20, described two-sided rete glass 10 includes glass substrate 1, on the side of indoor, be compounded with two silver-colored LOW-E rete 2 at glass substrate 1, on the side of outdoor, be compounded with automatically cleaning rete 3.
Prepare the method for two-sided rete glass, comprise the steps:
(1) glass surface washed with de-ionized water;
(2) automatically cleaning rete 3 is plated in the tin face of float glass, i.e. Nano titanium dioxide coating with roller coating technology;
(3) be heating and curing at the temperature of 190 ~ 210 DEG C;
(4) by automatically cleaning rete 3 to enterprising annealing furnace tempering;
(5) automatically cleaning rete 3 is coated with on horizontal magnetron sputtering coater two silver-colored LOW-E rete downwards.
Described step (5) comprises the steps:
(51) magnetron sputtering Si3n4layer, makes reacting gas sputtering semi-conducting material SiAl weight ratio Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%.Improve physical property and the antioxygenic property of rete;
(52) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply, stops the Na of glass surface+to the destruction of functional layer.Calm down silver layer, in toughening process, prevent silver layer from caving in, improve the refractive index of glass;
(53) magnetron sputtering Ag layer, with AC power sputtering, reduces radiance;
(54) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply, stops the Na of glass surface+to the destruction of functional layer.Calm down silver layer, in toughening process, prevent silver layer from caving in, improve the refractive index of glass;
(55) magnetron sputtering Ag layer, with AC power sputtering, reduces radiance;
(56) magnetron sputtering AZO layer, sputters ceramic titanium target with interchange intermediate frequency power supply, stops the Na of glass surface+to the destruction of functional layer.Calm down silver layer, in toughening process, prevent silver layer from caving in, improve the refractive index of glass;
(57) magnetron sputtering Si3n4layer, makes reacting gas sputtering semi-conducting material SiAl weight ratio Si:Al=90:10 with interchange intermediate frequency power supply, nitrogen, density 96%; Improve physical property and the antioxygenic property of rete.
Magnetron sputtering Si3n4layer, does reacting gas sputtering semi-conducting material weight ratio Si:Al=85 ~ 98:2 ~ 15 with interchange intermediate frequency power supply, nitrogen; That obtain is Si herein3n4, and metal A l is for increasing the electric conductivity of raw material in magnetron sputtering process, metal A l does not participate in reaction, and due to the electric conductivity extreme difference of non-metal semiconductive Si, mixing increase electric conductivity if do not adopted metal A l cannot carry out magnetron sputtering Si smoothly3n4layer.
Low-E glass is also referred to as low radiation coated glass.
The invention provides a kind of new membrane system, adopt new ceramics target AZO to instead of barrier layer in former film system and Themiddle refractive layer, not only saved target position, and overcome the shortcoming easily falling target, produced cleaning cycle and can extend to for three weeks.
Film system of the present invention haves three layers AZO altogether, all by the ceramic target of midfrequent AC power supply sputtering.Dielectric layer is not only made but also do barrier layer in 2 layers, front and back, has not only saved target position, has also improved the visible light transmissivity of glass.What adopt above-mentioned Film Design can save at least 4 target position than existing barrier layer NiCr intermediate layer ZnSnOx by the two silver-colored LOW-E glass of tempering, greatly reduces that produce can the platform of the two silver-colored LOW-E of tempering; Middle AZO not only improves the visible light transmissivity of glass, because ceramic target is relatively cleaner, also extends each service time of taking turns greatly.