A kind of nano-angle color-changing solar can control film and preparation method thereof
Technical field
The invention belongs to energy-conserving product field, film can be controlled particularly to a kind of nano-angle color-changing solar, the preparation method further relating to this thin film。
Background technology
The energy-conservation important topic having become people's concern with environmental conservation。Owing to simple glass is inadequate to ultrared isolation, hence in so that the glass door etc. of the large area window of skyscraper, motor-vehicle glass window and refrigerator-freezer needs to completely cut off the huge energy loss brought in thermal-radiating place, even cause environmental pollution。
For solving the transparent heat-insulated problem in the place such as building, vehicle glass, conduct extensive research both at home and abroad and attempt, invent multiple thermal insulation film, common in the market mainly have the product such as metal coating heat-reflecting glass and various heat reflection pad pastings, and these products are for increasing to ultrared reflection, isolate radiant heat, yet with these films in use, the light transmittance of visible ray is not high yet, have impact on daylighting and visibility, even has influence on personal safety。Also have and adopt the metallic film including the layers such as titanium oxide, there is the light transmittance of higher visible ray, however relatively costly, it is difficult to promote on a large scale。
Summary of the invention
Goal of the invention: the nano-angle color-changing solar that the first object of the present invention is to provide a kind of good heat-insulation effect, light transmittance is good can control film。
The preparation method that the second object of the present invention is to provide above-mentioned thin film。
Technical scheme: a kind of nano-angle color-changing solar provided by the invention can control film, including substrate (1) and the photochromic layer (2) be located in substrate (1), described nanochromics layer (2) is staggered is formed by sulfide nanometer layer (3) and oxidate nano layer (4)。
As preferably, described substrate (1) is PET film, plastics or glass。
Preferred as another kind, the thickness of described sulfide nanometer layer (3) is 2~500nm。
Preferred as another kind, described sulfide nanometer layer (3) is zinc sulfide nano layer, sodium sulfide nanometer layer, calcium sulfide nanometer layer, barium sulfide nanometer layer, manganese sulfide nano layer, cadmium sulfide nano layer, arsenic sulfide nanometer layer, Tin disulfide nanometer layer, antimony sulfide nano layer, bismuth sulfide nano layer。
Preferred as another kind, the thickness of described oxidate nano layer (4) is 2~500nm。
Preferred as another kind, described nano oxide layer (4) is silica nanometer layer, germanium dioxide nanometer layer, selenium dioxide nanometer layer, Lead oxide brown nanometer layer。,
Present invention also offers the preparation method that above-mentioned nano-angle color-changing solar can control film, comprise the following steps: comprise the following steps: interlocking at substrate surface sputters sulfide nanometer layer and oxidate nano layer and get final product。
Beneficial effect: it is simple, with low cost that nano-angle color-changing solar provided by the invention can control membrane structure, good heat-insulation effect, light transmittance are high, can be widely applied to the rupture pressure disc of automobile and building field and implosion guard, have huge application prospect。
Specifically, nano-angle color-changing solar provided by the invention can control film relative to prior art, has advantage highlighted below:
First, good heat-insulation effect, light transmittance are high。This thin film is by being crisscross arranged sulfurized layer and oxide skin(coating), utilize sulfide and the oxide intrinsic refractive index to light, by the superposition of sulfurized layer and oxide skin(coating), incident illumination is carried out superposition repeatedly to reflect, refraction light is utilized to carry out the multipath interference of light, thus greatly reducing infrared ray and ultraviolet radiation, and then substantially increase effect of heat insulation;Simultaneously, sulfide and oxide self possess transparent character, it is ensured that the light transmittance of this thin film, and thin film of the present invention has the light transmittance every infrared capable, 60~95% every UV resistance, 65~90% of 60~80%, good heat-insulation effect, light transmittance are high, meet the policy of energy-saving and emission-reduction。
Second, with low cost。This thin film adopts nanometer sulfide and nano-oxide as stratiform coating, and raw material sources are extensive, with low cost。
3rd, this thin film has good privacy。Incident illumination is carried out superposition repeatedly by the superposition of sulfurized layer and oxide skin(coating) and reflects by this thin film, refraction light is utilized to carry out the multipath interference of light, thus being formed under the observation of different visual angles, make the former film of original transparent PET or conventional clear glass has different color effects, so that thin film has good privacy。
4th, it is widely used。This thin film can be widely applied to rupture pressure disc and the implosion guard of automobile and building field, has huge application prospect。
Accompanying drawing explanation
Fig. 1 is the structural representation that the nano-angle color-changing solar of the embodiment of the present invention 1 can control film。
Detailed description of the invention
According to following embodiment, it is possible to be more fully understood that the present invention。But, as it will be easily appreciated by one skilled in the art that the concrete material proportion described by embodiment, process conditions and result thereof are merely to illustrate the present invention, and should without the present invention described in detail in restriction claims。
Embodiment 1
Nano-angle color-changing solar can control film, sees Fig. 1, and including substrate 1 and the nanochromics layer 2 being located in substrate 1, nanochromics layer 2 is staggered is formed by sulfide nanometer layer 3 and oxidate nano layer 4, and nanochromics layer 2 includes 12 layers。The thickness of sulfide nanometer layer 3 respectively 100nm, 70nm, 50nm, 200nm, 300nm, 60nm;The thickness of oxidate nano layer 4 respectively 200nm, 80nm, 120nm, 200nm, 300nm, 120nm。
Substrate 1 is PET film;Sulfide nanometer layer 3 is zinc sulfide nano layer;Oxidate nano layer 4 is silica nanometer layer。
Its preparation method, comprises the following steps: the first zinc sulfide nano layer of magnetron sputtering 100nm in the PET film of substrate 1, then on the zinc sulfide nano layer of 100nm the silica nanometer layer of magnetron sputtering 200nm;By that analogy, staggered sputtering sulfide nanometer layer 3 and the oxidate nano layer 4 and get final product on substrate 1 surface。
Embodiment 2
Nano-angle color-changing solar can control film, and including substrate 1 and the nanochromics layer 2 being located in substrate 1, nanochromics layer 2 is staggered is formed by sulfide nanometer layer 3 and oxidate nano layer 4, and nanochromics layer 2 includes 15 layers。The thickness of sulfide nanometer layer 3 respectively 100nm, 70nm, 50nm, 200nm, 300nm, 60nm, 150nm, 500nm;The thickness of oxidate nano layer 4 is 200nm, 80nm, 120nm, 200nm, 300nm, 120nm, 500nm。
Substrate 1 is plastics;Sulfide nanometer layer 3 is sodium sulfide nanometer layer;Oxidate nano layer 4 is germanium dioxide nanometer layer。
Its preparation method is with embodiment 1。
Embodiment 3
Nano-angle color-changing solar can control film, and including substrate 1 and the photochromic layer 2 being located in substrate 1, nanochromics layer 2 is staggered is formed by sulfide nanometer layer 3 and oxidate nano layer 4, and nanochromics layer 2 includes 20 layers。The thickness of sulfide nanometer layer 3 respectively 100nm, 50nm, 20nm, 250nm, 350nm, 200nm, 300nm, 60nm, 150nm, 500nm;The thickness of oxidate nano layer 4 is 150nm, 200nm, 80nm, 250nm, 350nm, 120nm, 200nm, 300nm, 120nm, 500nm。
Substrate 1 is glass;Sulfide nanometer layer 3 is calcium sulfide nanometer layer;Oxidate nano layer 4 is stannic oxide nanometer layer。
Its preparation method is with embodiment 1。
Embodiment 4
Nano-angle color-changing solar can control film, and including substrate 1 and the photochromic layer 2 being located in substrate 1, nanochromics layer 2 is staggered is formed by sulfide nanometer layer 3 and oxidate nano layer 4, and nanochromics layer 2 includes 600 layers。The thickness of sulfide nanometer layer 3 is between 20-500nm;The thickness of oxidate nano layer 4 is between 20-500nm。
Substrate 1 is glass;Sulfide nanometer layer 3 is barium sulfide nanometer layer;Oxidate nano layer 4 is selenium dioxide nanometer layer。
Its preparation method is with embodiment 1。
Embodiment 5
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: nanochromics layer 2 includes 300 layers;The thickness of sulfide nanometer layer 3 is between 20-500nm;The thickness of oxidate nano layer 4 is between 20-500nm;Sulfide nanometer layer 3 is manganese sulfide nano layer;Oxidate nano layer 4 is Lead oxide brown nanometer layer。
Embodiment 6
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: the thickness of sulfide nanometer layer 3 is between 20-500nm;The thickness of oxidate nano layer 4 is between 20-500nm;Sulfide nanometer layer 3 is cadmium sulfide nano layer。
Embodiment 7
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: sulfide nanometer layer 3 is arsenic sulfide nanometer layer。
Embodiment 8
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: sulfide nanometer layer 3 is Tin disulfide nanometer layer。
Embodiment 9
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: sulfide nanometer layer 3 is antimony sulfide nano layer。
Embodiment 10
Nano-angle color-changing solar can control film, substantially the same manner as Example 1, the difference is that only: sulfide nanometer layer 3 is bismuth sulfide nano layer。
Embodiment 11
The thin film that detection embodiment 1 to embodiment 11 prepares, result is in Table 1。
The light transmittance of the thin film that table 1 embodiment 1 to embodiment 11 prepares and effect of heat insulation table
|
Light transmittance (%) |
Every UV resistance (%) |
Every infrared capable (%) |
Embodiment 1 |
80 |
75 |
88 |
Embodiment 2 |
85 |
78 |
90 |
Embodiment 3 |
82 |
74 |
85 |
Embodiment 4 |
81 |
80 |
90 |
Embodiment 5 |
95 |
80 |
89 |
Embodiment 6 |
79 |
75 |
86 |
Embodiment 7 |
86 |
73 |
86 |
Embodiment 8 |
80 |
78 |
87 |
Embodiment 9 |
60 |
76 |
83 |
Embodiment 10 |
85 |
60 |
81 |
Embodiment 11 |
80 |
77 |
65 |