CN104024352B - Infrared reflection film, infrared reflecting paint and infrared reflection body - Google Patents
Infrared reflection film, infrared reflecting paint and infrared reflection body Download PDFInfo
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- CN104024352B CN104024352B CN201280054155.2A CN201280054155A CN104024352B CN 104024352 B CN104024352 B CN 104024352B CN 201280054155 A CN201280054155 A CN 201280054155A CN 104024352 B CN104024352 B CN 104024352B
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- infrared
- infrared reflection
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- solar module
- coating
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- 239000003973 paint Substances 0.000 title claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 56
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 26
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 26
- 239000010445 mica Substances 0.000 claims abstract description 22
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000049 pigment Substances 0.000 claims abstract description 18
- 125000005372 silanol group Chemical group 0.000 claims abstract description 15
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 5
- CFRNXBBHKHHBQM-UHFFFAOYSA-N titanium(4+);silicate Chemical compound [Ti+4].[O-][Si]([O-])([O-])[O-] CFRNXBBHKHHBQM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 210000003195 Fascia Anatomy 0.000 claims description 23
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 8
- 239000010408 film Substances 0.000 description 75
- 230000000052 comparative effect Effects 0.000 description 13
- 238000005507 spraying Methods 0.000 description 8
- 238000010998 test method Methods 0.000 description 7
- 238000003556 assay method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000003287 optical Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000000630 rising Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004611 light stabiliser Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- WMDZKDKPYCNCDZ-UHFFFAOYSA-N 2-(2-butoxypropoxy)propan-1-ol Chemical compound CCCCOC(C)COC(C)CO WMDZKDKPYCNCDZ-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N Barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 210000004027 cells Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000005329 float glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 210000003298 Dental Enamel Anatomy 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- VYILFTUXZGGDFS-UHFFFAOYSA-N chromium(3+);cobalt(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Cr+3].[Cr+3].[Co+2].[Co+2] VYILFTUXZGGDFS-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002421 finishing Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000000749 insecticidal Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000009114 investigational therapy Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- -1 surface conditioner Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The present invention provides a kind of infrared reflecting paint, as for being formed at the reflectance height of infrared wavelength range and the coating of the film that transmitance is high, surface has self-purification capacity at visible wavelength range, it is characterized in that, contain: containing the acrylic resin of at least one in silicyl and silanol group；And the metal oxide coated mica of more than one metal-oxides being selected from stannum oxide, titanium dioxide and silicon oxide is covered at mica surface, wherein, it is calculated as 0.4%～1.5% containing described metal oxide coated mica with PVC (pigment concentration by volume).
Description
Technical field
The present invention relates to infrared reflection film, infrared reflecting paint and infrared reflection body.
Background technology
Light major part from the sun to earth surface is arrived earth's surface by Atmospheric Absorption, only a part.
Wherein, it is up to the wavelength longer than the red wavelength range of visible ray, about 700nm～1mm
Wave-length coverage be referred to as infrared ray, in infrared ray, especially by the wavelength model of 4000nm～1mm
Enclose referred to as far infrared.Far infrared is also called hot line, heating machine etc. produce, and be used in
In daily life.
On the other hand, if it is possible to suppress the temperature caused because absorbing far infrared to rise, then
Various industrial field can be used for.For example, as it is known that the solaode used in solar panel
In assembly, using the solar module of crystalline silicon in the case of temperature rises, output is electric
Pressure can reduce.This is owing to energy gap at high temperature reduces, thus output voltage can reduce.Therefore,
If able to optionally reflect infrared ray on solar module surface, then can suppress group
Temperature within part rises, it is possible to avoid the reduction of output voltage.
If having coordinated the ultrared pigment of reflection in coating compound, the most at least can give
Film reflects ultrared effect.As the ultrared pigment of reflection well known in the prior art,
There are the metal-oxide series pigments such as titanium dioxide, chromium oxide, cobalt oxide and Barium monoxide.But,
When using these pigment to fit in infrared reflecting paint, the light and shade of tone is very limited.
Therefore, Japanese Unexamined Patent Publication 11-302549 (patent documentation 1) though in disclose the bright of tone
Dark the most how, reflect the compositions that ultrared function is all excellent.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 11-302549 publication
Summary of the invention
Invent problem to be solved
But, containing the compositions disclosed in above-mentioned patent documentation 1 and have existing infrared ray
The compositions of reflection function is so-called enamel paint (Enamel) coating, owing to can enter infrared ray
Row reflection, but visible ray can not pass through, and therefore can not be painted on solar module.
Because being painted on solar cell surface, it is desirable to the visible ray needed for Fa electricity passes through as far as possible,
It is thus desirable to formed based on the film optionally reflecting ultrared compositions.Additionally, seek
Even if there is above-mentioned performance and also being able in the case of surface area has dust by contacting with water
And remove dust, the film of self-purification capacity excellence.
Therefore, it is an object of the invention to provide the transmitance height of a kind of visible ray and reflect red
Infrared reflection film that outside line, self-purification capacity are strong and for forming the infrared of this infrared reflection film
Line reflection coating.
Means for solving the above
Here, the present inventor is through further investigation, it is specific thickness that result has been invented
Transparent coating, at the infrared reflection rate average out to more than 7.5% of infra-red range and visible
The transmitance of optical range is more than 60%, the water contact angle of film coated surface is less than 60 ° infrared
Line reflection film, containing specific resin and the infrared reflecting paint of specific Muscovitum and be coated with this
The infrared reflection body of coating.
Therefore, the purport of the present invention is as follows.
[1] a kind of infrared reflecting paint, for clear dope, it is characterised in that contain: contain
The acrylic resin of at least one in silicyl and silanol group；And cover at mica surface
The metal of more than one metal-oxides in stannum oxide, titanium dioxide and silicon oxide
Oxide coated mica, wherein, containing described metal oxide coated mica with PVC (pigment
Concentration by volume) it is calculated as 0.4%～1.5%.
[2] a kind of infrared reflection film, it is to be obtained by the infrared reflecting paint described in [1]
's.
[3] infrared reflection film as described in [2], it is characterised in that be dry film thickness 15 μm～
The transparent coating of 60 μm, the average infrared reflection rate at 780nm～2500nm is 7.5%
Above, and the average visible photopic light transmitance at 380nm～780nm is more than 60%, film
The water contact angle on surface is less than 60 °.
[4] a kind of infrared reflection body, has: solar module；With in this solar-electricity
The infrared reflection film as described in [2] or [3] of pond assembly surface.
[5] a kind of infrared reflection body, has: glass；With at this glass surface such as [2] or [3]
Described infrared reflection film.
[6] a kind of infrared reflection body, has: Side fascia；With on this Side fascia surface such as [2]
Or the infrared reflection film described in [3].
[7] a kind of infrared reflection body, has: clear-water concrete；With at this clear-water concrete table
The infrared reflection film as described in [2] or [3] in face.
[8] a kind of infrared reflection film, is dry film thickness 15 μm～the transparent coating of 60 μm,
Average infrared reflection rate at 780nm～2500nm is more than 7.5%, and at 380nm～
Average visible photopic light transmitance at 780nm is more than 60%, and the water contact angle of film coated surface is 60
Below °.
Based on the present invention, it is provided that visible light transmissivity is high and reflects infrared ray, self-purification capacity
Strong infrared reflection film and for forming the infrared reflecting paint of this infrared reflection film.
It addition, this infrared reflecting paint can be in order to avoid priming coat mode be coated on various coated article (example
As, solar module, glass, Side fascia and clear-water concrete etc.) on, this is red
Outside line reflectance coating is arranged on the surface of this coated article, it is thus possible to use in offer various uses is red
Outside line reflector.
Accompanying drawing explanation
Fig. 1 be represent mensuration moment in test method 1 with by solar module A and too
The chart of the relation between the electric power of sun energy battery component B generating.
Fig. 2 is to represent the mensuration moment in test method 1 and solar module A and the sun
The chart of the relation between the surface temperature of energy battery component B.
Detailed description of the invention
Hereinafter, the present invention is described in detail.
[infrared reflection film]
The infrared reflection film of the present invention is dry film thickness 15 μm～the transparent coating of 60 μm,
Average infrared reflection rate at 780nm～2500nm is more than 7.5%, and at 380nm～
Average visible photopic light transmitance at 780nm is more than 60%, and the water contact angle of film coated surface is 60
Below °.
The dry film thickness of the infrared reflection film of the present invention is 15 μm～the thickness of 60 μm.
The infrared reflection film of present invention 780nm in the most so-called ultrared scope～
Average infrared reflection rate in 2500nm needs more than 7.5%.It is further preferred that it is the reddest
Outside line reflectance is more than 10% more appropriate.When average infrared reflection rate is less than 7.5%, prevent
The effect that temperature rises may be low.
Above-mentioned average infrared reflection rate measures as follows.
(assay method of average infrared reflection rate)
Average infrared reflection rate is obtained by integrating sphere mode.Specifically, prepare mensuration examination
Sample (has the sample of the infrared reflection film of thickness 30 μm) on a glass, and use ultraviolet/
Visible/near infrared spectrophotometer (manufacture of Solid Spec-3700: Shimadzu Seisakusho Ltd.), every 5nm
Measure the reflectance (angle of incidence 8 °) of the infrared wavelength range of 780nm～2500nm.Ask
Go out the meansigma methods of the infrared reflection rate of 780nm～2500nm scope, and using this numerical value as
Average infrared reflection rate at 780nm～2500nm scope.It should be noted that as glass
Glass plate, uses the float glass plate (chi that JIS R3202 benchmark product JiTPJi Yan Co., Ltd. manufactures
Very little 200mm × 100mm × 2mm).The average infrared reflection rate of above-mentioned glass plate is 6.1%.
The infrared reflection film of the present invention is " transparent coating ".In the present invention, so-called " transparent
Film " include transparent or translucent film, specifically, in the scope of referred to as visible ray
Average visible photopic light transmitance at 380nm～780nm needs more than 60%.The most averagely may be used
Seeing that light transmission rate is more than 70%, particularly preferred average visible photopic light transmitance is more than 80%.Flat
When all visible light transmissivity is less than 60%, this film is being formed at solar module surface
Time, the power generation performance of solar module may reduce.
It addition, the infrared reflection film of the present invention is transparent coating, therefore, be coated with Side fascia,
Time on the base materials such as clear-water concrete, it is possible to retain base material (substrate) texture, and bring every
Hot, soil resistance.
Above-mentioned average visible photopic light transmitance measures as follows.
(assay method of average visible photopic light transmitance)
Average visible photopic light transmitance is measured by integrating sphere mode.Specifically, prepare mensuration examination
Sample (has the sample of the infrared reflection film of thickness 30 μm) on a glass, and use ultraviolet/
Visible/near infrared spectrophotometer (manufacture of Solid Spec-3700: Shimadzu Seisakusho Ltd.), every 5nm
Measure the transmitance (angle of incidence 0 °) of the visible wavelength range of 380nm～780nm.Obtain
The visible light transmissivity meansigma methods of 380nm～780nm scope, and using this numerical value as 380nm～
Average visible photopic light transmitance in the range of 780nm.It should be noted that as glass plate, make
Float glass plate (the size manufactured with JIS R3202 benchmark product JiTPJi Yan Co., Ltd.
200mm×100mm×2mm).The average visible photopic light transmitance of above-mentioned glass plate is 90.2%.
The infrared reflection film of the present invention needs the water contact angle of film coated surface to be less than 60 °.More
Preferably, the water contact angle of film coated surface is more suitable for below 40 °.The water of film coated surface connects
When feeler is more than 60 °, it is possible to cause when making film coated surface contact water due to rainfall etc.,
Wettability between film coated surface and water deteriorates, and self-purification capacity reduces.
It should be noted that it is red for obtained by the infrared reflecting paint of the present invention described later
Outside line reflectance coating, after being just coated with, containing the silicyl as infrared reflecting paint composition
With the silicyl in the acrylic resin of at least one in silanol group and the hydrolysis of silanol group
Not being in progress, water contact angle is more than 60 ° sometimes, but hydrolysis is passed through over time and is in progress, if
Water contact angle reaches less than 60 °, then be comprised in the infrared reflection film of the present invention.That is,
The infrared reflection film of the present invention is beginning to pass through certain time (such as two months) after being just coated with
The water contact angle of the film coated surface of rear mensuration is less than 60 °.
Above-mentioned water droplet contact angle, measures as follows.
(assay method of water droplet contact angle)
Prepare measurement sample and (there is the infrared reflection film of thickness 30 μm on a glass
Sample), use contact angle meter (FACE CA-DT type: consonance interface science manufacture), make
Water drop contact is to the coating surface of measurement sample, and obtains contact angle by sessile drop method.
The infrared reflection film of the present invention can be obtained by the infrared reflecting paint of the present invention described later
Arrive.
[infrared reflecting paint]
The infrared reflecting paint (also referred to as " coating " or " clear dope ") of the present invention
For clear dope, it contains: containing the acrylic acid of at least one in silicyl and silanol group
Resin；Mica surface cover one in stannum oxide, titanium dioxide and silicon oxide with
Upper metal-oxide and the metal oxide coated mica that obtains, and containing above-mentioned burning
Thing covers Muscovitum and is calculated as 0.4%～1.5% with PVC (pigment concentration by volume).
It is anti-that metal oxide coated mica in the infrared reflecting paint of the present invention has infrared ray
Penetrate function.
Generally speaking the coating of the present invention be clear dope, it is desirable to mismatches the pigment such as coloring pigment.
For making coordination compound that ultrared wavelength region optionally reflects for having infrared reflection merit
The Muscovitum of energy.Originally, covered selected from stannum oxide, titanium dioxide and silicon oxide at mica surface
In more than one metal-oxides and the metal oxide coated mica that obtains owing to being covered in table
The optical index of the metal-oxide in face is different with the optical index of internal Muscovitum, thus incident
After light produce interference effect, bring the most nacreous beautiful colour developing.Therefore, burning
Thing cladding Muscovitum etc. make use of the pigment of interference of light to be referred to as pearlescent pigment, and being applied to
Adornment field or print field etc..
It is the most special that the present inventor is conceived to that above-mentioned metal oxide coated mica had
Optical characteristics.
By coordinating the metal oxide coated mica of specified quantitative in coating, it is possible to formed and pass through
Visible ray also reflects the such film of infrared ray.
Formed transparent coating time, need in coating containing metal-oxide cover Muscovitum with
PVC (pigment concentration by volume) is calculated as 0.4%～1.5%.Containing of metal oxide coated mica
Rate is preferably calculated as 0.5%～1.0%, more preferably 0.7%～1.0% with PVC in coating.
In clear dope, if the containing ratio of metal-oxide covering Muscovitum is less than PVC0.4%,
Then the reflection to infrared wavelength range is insufficient, although visible ray fully through, can but have
Can cannot prevent temperature from rising.
On the other hand, when containing ratio is more than PVC1.5%, it is seen that the transmitance of light reduces,
The clear dope of the present invention is applied to solar module surface to form the feelings of transparent coating
Under condition, power generation performance is likely to decrease.
PVC is the abbreviation of Pigment Volume Concentration (pigment volume concentration (PVC)),
In the present invention, become at all solids of infrared reflecting paint for metal oxide coated mica
Volume ratio (volume %) shared in the volume divided.
The mean diameter of metal oxide coated mica is preferably 5 μm～60 μm.
The coverage rate of the metal-oxide (preferably titanium dioxide) in metal oxide coated mica
It is preferably 40%～50%.
Here, coverage rate represents the metal-oxide quality ratio relative to Muscovitum.
The coating of the present invention is clear dope.Can be used as the resin person contained in the coating of the present invention
Be, in order to coated object is presented affinity and containing in silicyl and silanol group at least one
The acrylic resin of person.
Divide equally as containing the number of the acrylic resin of at least one in silicyl and silanol group
Son amount, preferably 100,000～1,000,000.
In containing silicyl and silanol group in the acrylic resin of at least one, preferably phase
For all solids composition of acrylic resin, containing silicyl and silanol group 10 mass
%～60 mass %, more preferably contain 20 mass %～40 mass %.
The situation that coated article is the inorganic matter such as glass, concrete at the coating being coated with the present invention
Under, by including at least one in silicyl and silanol group, thus improve inorganic matter table
Affinity between face and the film formed, therefore, need not priming coat (primer) during application.
Additionally, silicyl and silanol group are converted into hydroxyl by hydrolysis, thus film coated surface
Water contact angle is reduced to less than 60 °, presents self-purification capacity based on rainfall.It should be noted that
As it was previously stated, after just application, the hydrolysis of silicyl and silanol group is not in progress, and water connects sometimes
Feeler is more than 60 °, but, hydrolysis was in progress along with the elapsed time (such as two months), water
When contact angle reaches less than 60 °, present self-purification capacity based on rainfall.
If being not coated with the coating that priming coat cannot be close to during application, then make according in priming coat
The kind of resin, there is the probability producing the deteriorations such as xanthochromia.Additionally, also relation
To increasing coating process.
In the clear dope of the present invention, it is possible to suitably coordinate curing accelerator, catalyst, disappear
Infusion, coalescents, light stabilizer, surface conditioner, water and solvent etc..
The dry film thickness of the clear dope of the present invention is 15 μm～60 μm, preferably wishes shape
Become 25 μm～the film of 35 μ m thick.When thickness is less than 15 μm, it is possible to infrared reflection is not
Fully, when thickness is more than 60 μm, it is possible to the transmitance of visible ray reduces thus solaode
The power generation performance of assembly reduces.
The gold in the clear dope of the present invention is preferably suitably adjusted according to the thickness of infrared reflection film
Belong to the content of oxide coated mica, specifically, in the case of thick film, preferably to reduce
The mode of the content of the metal oxide coated mica in the clear dope of the present invention is adjusted,
In the case of thin film, preferably with the metal-oxide cladding in the clear dope of the increase present invention
The mode of the content of Muscovitum is adjusted.
The weatherability of the film coated surface formed is the most excellent, therefore, it is possible to maintain painting for a long time
Film properties.
Additionally, the hydrophilic of the film coated surface formed is high, therefore, even if having dirt at surface area
In the case of angstrom grade, rainwater also can uniformly spread, and easily washes away dust, have from
Clean property.Solar module is maintained power generation performance the most effective by this.
Except solar module, outside the coating of the present invention is painted on can also exempting from priming coat
On wallboard, clear-water concrete and glass.
When the clear dope of the present invention is coated on glass pane, maintain the transparency of glass pane, and
Utilize its infrared reflection performance thus effectively relax the temperature rising of indoor.It is being applied to window
Time on glass, in indoor, outside construction can.
Though market existing the clear dope of coating on glass pane, but these clear dopes being for containing
There is the coating of infrared absorbent pigments, there is the problem making glass pane be heated and to rupture.The present invention
Clear dope there is infrared reflection function, therefore, glass pane is notheated and ruptures.
It should be noted that in the case of the clear dope of the present invention is coated on glass pane,
By adding UV absorbent, the rising of indoor temperature can be relaxed, and can add and prevent
The function that furniture is tanned severely, insecticide is close.
When the clear dope of the present invention is coated on Side fascia, clear-water concrete, it is possible to maintain base
The outward appearance at the end and texture, and protect building, prevent temperature from rising.Additionally, have high resistance to
Hou Xing, self-cleaning=low stain, therefore, it is possible to keep facade beautiful for a long time.
The coating of the present invention can be by existing known mixing, process for dispersing manufacture.Can make
With the mixer such as dissolving machine, grater.
The coating of the present invention can use aerial spraying, airless spraying, roller coat dress, roll-coater,
The coating machines such as curtain curtain coater.As film, need to complete with uniform as far as possible coating thickness,
It is therefore preferable that the spray-coating method such as aerial spraying, airless spraying.Streamline is carried out in factory
In the case of application, it is also possible to the finishings such as application roll coating, curtain showering.
The coating of the present invention can be dried at normal temperatures and form film, it is also possible to by the present invention
Paint spraying on coated article after at a temperature of 60 DEG C～90 DEG C, carry out 20 minutes～40
Minute heat drying.
Hereinafter, in order to help to understand the present invention, specific embodiment is illustrated.But,
Self-evident, the present invention is not limited to following example.
Embodiment
[embodiment 1]
Emulsion acrylic resin 73 mass % containing silicyl and silanol group will be comprised, become
Film auxiliary agent (Dipropylene glycol mono-n-butyl Ether) 6 mass %, light stabilizer (hindered amine system) 0.3 mass %,
Defoamer (organic modified polyorganosiloxane system) 0.1 mass % and coated by titanium dioxide Muscovitum PVC
The coating of (pigment concentration by volume) 0.7%, dilute with water is 100 mass %, obtains infrared ray anti-
Penetrate coating 1.
[embodiment 2]
Emulsion acrylic resin 73 mass % containing silicyl and silanol group will be comprised, become
Film auxiliary agent (Dipropylene glycol mono-n-butyl Ether) 6 mass %, light stabilizer (hindered amine system) 0.3 mass %,
Defoamer (organic modified polyorganosiloxane system) 0.1 mass % and coated by titanium dioxide Muscovitum PVC
The coating of (pigment concentration by volume) 1.0%, dilute with water is 100 mass %, obtains infrared ray anti-
Penetrate coating 2.
[test method 1]
Utilize aerial spraying machine that the infrared reflecting paint 1 of the present invention is coated on the silicon metal sun
Energy surfaces of cell (glass), is dried at normal temperatures 12 hours, thus is averagely dried
The transparent coating of thickness 30 μm.This solar module is (real as solar module A
Execute example 1).
As controlled trial, prepare and the silicon metal solar energy of use in solar module A
Battery component has the infrared of identical generating efficiency, equal area and the surface not application present invention
The solar module of line reflection coating, and using this solar module as solar-electricity
Pond assembly B (comparative example 1).
On the exposure test platform of southern side clear, make solar module A and solar energy
Battery component B tilts 30 ° of ground and respectively arranges 8, at 13: 5～14: 35 of fine day
These are in 1 hour 30 minutes, measure electric power and two solar-electricity of two solar module generatings
The surface temperature of pond assembly.
[test method 2]
The infrared reflecting paint 2 of the present invention is coated on Side fascia by aerial spraying application
On, it is dried at normal temperatures 12 hours, obtains the transparent coating of average dry film thickness 30 μm.Will
This Side fascia is as Side fascia A (embodiment 2).
As controlled trial, prepare equal area but do not carry out the Side fascia of application on surface, and
Using this Side fascia as Side fascia B (comparative example 2).
Side fascia A and Side fascia B is horizontally set on 20cm under shot-light (reflector lamp)
Place, under conditions of room temperature 25 DEG C, irradiates the shot-light of 100W, measures two from Side fascia surface
The temperature of the back side central authorities of Side fascia.
Additionally, visual observations Side fascia A and the outward appearance of Side fascia B, evaluate the texture of substrate.
[result 1]
The electric power result of the two solar module generatings obtained by test method 1 is shown in figure
1.The longitudinal axis of chart represents the electric power of solar module A and solar module B generating
(unit: kW), transverse axis represents the mensuration moment.
According to Fig. 1: compare with the assembly B (comparative example 1) not having film, be formed with base
In the present invention clear dope transparent coating assembly A (embodiment 1) generating output survey
The almost universe carried of fixing time realizes height output, and at the time point of 13: 50, each too
Sun can the output of battery component improve 10W (difference that a in Fig. 1 represents,
(570W-490W)/8=10W), in 14: 12 time points, each solar battery group
The output of part improve 16.5W (difference shown in b in Fig. 1,
(570W-440W)/8=16.5W), in 14: 26 time points, each solar battery group
The output of part improve 21.3W (difference shown in c in Fig. 1,
(520W-350W)/8=21.3W).
[result 2]
By the result table of the surface temperature of two solar modules that obtained by test method 1 in
Fig. 2.The longitudinal axis of chart represents solar module A and the surface of solar module B
Temperature (unit: DEG C), transverse axis represents the mensuration moment.
May validate that according to Fig. 2 and compare with the assembly B (comparative example 1) not having film, formed
There is the surface temperature of the assembly A (embodiment 1) of the transparent coating of clear dope based on the present invention
Low temperature is shown, in 13: 50 time points, temperature in the almost universe measuring temperature band
Reduce 6.4 DEG C (differences that the d in Fig. 2 represents, 49.4 DEG C-43.0 DEG C=6.4 DEG C), at 14 points
12 points of time points, temperature reduce 6.1 DEG C (difference shown in e in Fig. 2,48.6 DEG C-42.5 DEG C
=6.1 DEG C), at 14: 26 time points, temperature reduced 5.4 DEG C (shown in the f in Fig. 2
Difference, 42.7 DEG C-37.3 DEG C=5.4 DEG C).
[result 3]
According to test method 2, compare with the Side fascia B (comparative example 2) not having transparent coating,
It is formed with the back of the body of the Side fascia A (embodiment 2) of the transparent coating of clear dope based on the present invention
Surface temperature shows the decline of 5.3 DEG C.
Additionally, relative to there is no the Side fascia B (comparative example 2) of transparent coating, be formed based on
The apparent change of the Side fascia A (embodiment 2) of the transparent coating of the clear dope of the present invention
It is little to discover, the texture of substrate is maintained good state.
The result set of embodiment 1 and embodiment 2, comparative example 1 and comparative example 2 is shown in following
Table 1.The average infrared reflection rate of the film in embodiment 1 and embodiment 2, average visible photopic light
Transmitance and water droplet contact angle are evaluated by aftermentioned method.
Table 1
[embodiment 3 and 4, comparative example 3 and 4]
In the infrared reflecting paint 1 of embodiment 1, except by the PVC of coated by titanium dioxide Muscovitum
It is changed to beyond as shown in table 2 below, prepares embodiment 3 the most respectively
With embodiment 4, comparative example 3 and the coating of comparative example 4.
[performance evaluation of film]
For the film obtained by the coating of embodiment 1～4, comparative example 3 and comparative example 4, as
Measure average infrared reflection rate, average visible photopic light transmitance and water droplet contact angle lowerly.
(assay method of average infrared reflection rate)
In the way of dry film thickness is 30 μm, it is coated with each coating on a glass forms film, and
As measurement sample.Use ultraviolet/visible/near infrared spectrophotometer (Solid Spec-3700:
Shimadzu Seisakusho Ltd. manufactures), every 5nm measures the infrared wavelength range of 780nm～2500nm
Reflectance (angle of incidence 8 °).Obtain the meansigma methods of the scope of 780nm～2500nm, and will
This numerical value is as the average infrared reflection rate in 780nm～2500nm scope.Need explanation
It is, as glass plate, to use floating of JIS R3202 benchmark product JiTPJi Yan Co., Ltd.'s manufacture
Method glass plate (size 200mm × 100mm × 2mm).The average infrared ray of above-mentioned glass plate
Reflectance is 6.1%.
(assay method of average visible photopic light transmitance)
In the way of dry film thickness is 30 μm, it is coated with each coating on a glass forms film, and
As measurement sample.Use ultraviolet/visible/near infrared spectrophotometer (Solid Spec-3700:
Shimadzu Seisakusho Ltd. manufactures), every 5nm measures the saturating of 380nm～780nm visible wavelength range
Cross rate (angle of incidence 0 °).Obtain the meansigma methods of the scope of 380nm～780nm, and by this number
Value is as the average visible photopic light transmitance in the range of 380nm～780nm.It should be noted that
As glass plate, use the float glass process glass that JIS R3202 benchmark product JiTPJi Yan Co., Ltd. manufactures
Glass plate (size 200mm × 100mm × 2mm).The average visible photopic light of above-mentioned glass plate passes through
Rate is 90.2%.
(assay method of water droplet contact angle)
In the way of dry film thickness is 30 μm, it is coated with each coating on a glass forms film, and
23 DEG C, relative humidity 65% time keeps two months, as measurement sample.Use contact angle
Meter (FACE CA-DT type: consonance interface science manufacture), makes water drop contact arrive mensuration examination
The film coated surface of sample, obtains contact angle by sessile drop method.
Show the result in table 2 below.
Table 2
Industrial applicibility
When infrared reflecting paint in the present invention is painted on solar module surface, with non-
The situation of application is compared, and generating output raising is apparent from.Additionally, it is based on the present invention
The hydrophilic of the application film of infrared reflecting paint is high, can be coated with from surface washing by rainfall
The dress dust on surface and dust etc., therefore, it is possible to give self-purification capacity, it is also possible to prevent because of
Surface smut and the reduction of the transmitance of visible ray that causes.
Describe the present invention with reference to detailed or specific embodiment, but this area
Technical staff should be understood that without departing from the spirit and scope of the present invention, it is possible to carry out each
Plant change and revise.
Japanese patent application (the Japanese Patent Application that the application proposed based on November 4th, 2011
2011-242179), and using entire contents combine with this as reference.
Claims (5)
1. a solar module infrared reflection film, it is characterised in that this solar energy
Battery component infrared reflection film is obtained by the infrared reflecting paint as clear dope,
Described infrared reflecting paint contains:
Containing the acrylic resin of at least one in silicyl and silanol group；And
More than one gold in stannum oxide, titanium dioxide and silicon oxide are covered at mica surface
Belong to the metal oxide coated mica of oxide,
Wherein, described infrared reflecting paint contains described metal oxide coated mica with PVC
(pigment concentration by volume) is calculated as 0.4%～1.5%,
Described solar module infrared reflection film is dry film thickness 15 μm～60 μm
Transparent coating,
Described solar module infrared reflection film putting down at 780nm～2500nm
All infrared reflection rates are more than 7.5%, and the average visible photopic light at 380nm～780nm is saturating
The rate of mistake is more than 60%,
The water contact angle of the film coated surface of described solar module infrared reflection film is 60
Below °.
2. an infrared reflection body, it is characterised in that have:
Solar module；With
Solar module as claimed in claim 1 on this solar module surface
Use infrared reflection film.
3. an infrared reflection body, it is characterised in that have:
Glass；With
Anti-at the solar module infrared ray as claimed in claim 1 of this glass surface
Penetrate film.
4. an infrared reflection body, it is characterised in that have:
Side fascia；With
Solar module infrared ray as claimed in claim 1 on this Side fascia surface
Reflectance coating.
5. an infrared reflection body, it is characterised in that have:
Clear-water concrete；With
At the solar module as claimed in claim 1 of this faced concrete surface with red
Outside line reflectance coating.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011242179 | 2011-11-04 | ||
| JP2011-242179 | 2011-11-04 | ||
| PCT/JP2012/078164 WO2013065733A1 (en) | 2011-11-04 | 2012-10-31 | Infrared reflective film, infrared reflective paint, and infrared reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104024352A CN104024352A (en) | 2014-09-03 |
| CN104024352B true CN104024352B (en) | 2016-11-30 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927954A (en) * | 2006-09-12 | 2007-03-14 | 陈建华 | Filling and insulating mould coating of titanium dioxide coating fly ash float and preparation method thereof |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927954A (en) * | 2006-09-12 | 2007-03-14 | 陈建华 | Filling and insulating mould coating of titanium dioxide coating fly ash float and preparation method thereof |
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