CN102361752B - Highly reflective precoated aluminum alloy plate - Google Patents
Highly reflective precoated aluminum alloy plate Download PDFInfo
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- CN102361752B CN102361752B CN201080013224.6A CN201080013224A CN102361752B CN 102361752 B CN102361752 B CN 102361752B CN 201080013224 A CN201080013224 A CN 201080013224A CN 102361752 B CN102361752 B CN 102361752B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/61—Additives non-macromolecular inorganic
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- B05D2202/00—Metallic substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
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Abstract
A precoat layer (3), which is formed on at least one surface of a substrate (2), is composed of one or more layers including a highly reflective layer (4) that contains not less than 30 parts by weight of a highly reflective substance (41) per 100 parts by weight of a base resin (42). The base resin (42) is characterized in that the specular reflectance decrease rate between before and after a 10-[mu]m thick coating film of the base resin (42) is formed on an aluminum alloy plate having a specular reflectance of not less than 80% is not more than 10%. The highly reflective substance (41) is composed of one or more substances selected from among barium sulfate, titanium oxide, calcium carbonate, calcium sulfate, alumina, magnesium oxide, magnesium sulfate, magnesium silicate, zinc oxide, glasses, aluminum nitride, boron nitride, silica, zirconium oxide, and hollow glass beads. The highly reflective substance (41) has an average particle diameter of 0.1-10 [mu]m. The highly reflective layer (4) has a thickness of 20-150 [mu]m.
Description
Technical field
The present invention relates to the height reflection precoating aluminum alloy plate of reflecting plate, the fluorescent lamp backboard of liquid crystal etc. for throwing light on.
In addition, in the present invention, so-called aluminium alloy plate comprises pure aluminum plate and aluminium alloy plate.
Background technology
At present, as the material of housing of family's electrical article and OA equipment etc., be widely used precoating aluminum alloy plate.
Precoating aluminum alloy plate is made up of the surface of synthetic resin coating film coated aluminium alloy plate, has lightweight and after shaping, does not need to implement the excellent characteristic of application.
Recently, be in electrical article or OA equipment, except lightweight, miniaturization, high performance, more and more require low price, follow therewith, become important topic for high performance, the cost degradation of the material of housing etc.
In addition, recently, family's electrical article and OA equipment wish that slim, special shape is also increasing, and for the material for housing etc., strong request can be configured as the excellent formability of various shapes.
In addition, the liquid crystal backboard that is disposed at the dorsal surface of liquid crystal display need to reflect equably in the all-wave length of visible ray, in addition, and need to be to the heat resistance of the heating from fluorescent lamp and high life.
And, as described liquid crystal backboard, film, the backboard of having pasted the film of high reflection on aluminium alloy plate etc. (patent documentation 1～6) that use so far height to reflect.
Prior art document
Patent documentation
Patent documentation 1: Unexamined Patent 8-160208 communique
Patent documentation 2: Unexamined Patent 9-251805 communique
Patent documentation 3: JP 2002-254558 communique
Patent documentation 4: Unexamined Patent 11-29745 communique
Patent documentation 5: JP 2002-258020 communique
Patent documentation 6:WO97/01117 communique
Summary of the invention
Invent problem to be solved
But, for example, for making the aluminium alloy plate etc. of the film that is pasted with high reflection, needing complicated technique, manufacturing cost is high.This situation is becoming large problem aspect the low price from now on of liquid crystal backboard.Therefore, wish that development and manufacturing cost is low, there is the material of high reflection characteristic.
In addition, as the material with described high reflection characteristic, require to possess the complicated compressing formability of tolerance, and the thin and lightweight characteristic of required thickness.
The present invention completes in view of existing problem, and it provides a kind of and reduce thickness and weight, can reduce the height reflection precoating aluminum alloy plate of manufacturing cost, formability and reflection characteristic excellence.
For solving the means of problem
High reflection precoating aluminum alloy plate of the present invention, it is the precoating aluminum alloy plate with the substrate being formed by aluminium alloy plate and the precoated shet forming at the one or both sides of this substrate, it is characterized in that, the at least precoated shet of one side that is formed at described substrate, has the high reflection layer that contains high reflecting materials more than 30 weight portions with respect to base resin 100 weight portions; Described base resin is that the normal reflection reduced rate before and after the application form the film of thickness 10 μ m on more than 80% aluminium alloy plate during in normal reflection rate is the mylar below 10%; Described high reflecting material is made up of one or more in barium sulfate, titanium oxide, calcium carbonate, calcium sulfate, aluminium oxide, magnesia, magnesium sulfate, magnesium silicate, zinc oxide, glass, aluminium nitride, boron nitride, silica, zirconia, Hollow Glass Sphere; The average grain diameter of described high reflecting material is 0.1～10 μ m; The thickness of described high reflection layer is 20～150 μ m.
Invention effect
High reflection precoating aluminum alloy plate of the present invention, uses aluminium alloy plate as substrate, and has precoated shet at its one or both sides, and this precoated shet possesses the high reflection layer with described specific formation.Thus, described high reflection precoating aluminum alloy plate can reduce thickness and weight, can reduce manufacturing cost, becomes the height reflection precoating aluminum alloy plate of formability and reflection characteristic excellence.
The large described specific high reflecting material of refractive index that described high reflection layer contains specified quantitative in the base resin with light transmission.That is, invade base resin described in the light transmission of described high reflection layer, reflect at the interface of described base resin and described high reflecting material, therefore, high reflection layer can obtain high reflectivity.So, can give the reflection characteristic of Precoating aluminum plate excellence.
In addition, described high reflection layer can have enough reflection characteristics with the thickness of 20～150 μ m, thus, can reduce thickness and weight.
In addition, form base resin and the high reflecting material of described high reflection layer more cheap.In addition, described precoated shet can form with comparalive ease.Therefore, can reduce manufacturing cost.
In addition, utilize the surface of described precoated shet coated aluminium alloy plate, therefore, can possess and also can tolerate complicated compressing formability.
Like this, according to the present invention, can provide the height reflection precoating aluminum alloy plate that reduces thickness and weight, can reduce manufacturing cost, formability and reflection characteristic excellence.
Accompanying drawing explanation
Fig. 1 is the key diagram that represents the height reflection precoating aluminum alloy plate of embodiment 1;
Fig. 2 is the key diagram that represents the mechanism of the high reflection layer of embodiment 1;
Fig. 3 is the key diagram that represents the height reflection precoating aluminum alloy plate of embodiment 2;
Fig. 4 is the key diagram that represents the height reflection precoating aluminum alloy plate of embodiment 3.
The specific embodiment
As mentioned above, precoating aluminum alloy plate of the present invention has the substrate being made up of aluminium alloy plate and the precoated shet forming at the one or both sides of this substrate.
Above-mentioned precoated shet also can only be made up of above-mentioned high reflection layer, still, and except high reflection layer, for example, also can be stacked for guaranteeing with the bottom of raw-material tack, for paying lubricating layer of processability etc. and forming.
In addition, above-mentioned high reflection layer itself both can only be formed by one deck high reflection layer, also can stacked multilayer high reflection layer and form.
Form above-mentioned precoated shet in the one side at aforesaid substrate only, this precoated shet must have high reflection layer, be provided with above-mentioned precoated shet on the two sides of aforesaid substrate, the precoated shet that also can be formed in one side has high reflection layer, the precoated shet that the layer that another side is served as reasons except above-mentioned high reflection layer forms can be also that the precoated shet on two sides has high reflection layer.
In addition, the content of the above-mentioned high reflecting material containing in above-mentioned high reflection layer (in the situation that containing multiple high reflecting material, it adds up to content) is to be more than 30 weight portions with respect to base resin 100 weight portions.
At the content of above-mentioned high reflecting material, with respect to base resin 100 weight portion less than 30 weight portions, reflectivity likely reduces.
In addition, in the case of the above-mentioned high reflecting material that contains Multiple components, independent content is separately preferably more than 30 weight portions with respect to above-mentioned base resin 100 weight portions.
In addition, the content of above-mentioned high reflecting material (in the situation that containing multiple high reflecting material, it adds up to content) is preferably below 300 weight portions with respect to above-mentioned base resin 100 weight portions.
Content at above-mentioned high reflecting material exceedes 300 weight portions with respect to base resin 100 weight portions, and high reflecting material likely increases from the number that comes off of film.In addition, may easily on precoated shet, crack man-hour adding.In addition, in the case of the performances such as the processability of film do not worsen, also can be set as exceeding the content of 300 weight portions.
In addition, the content of above-mentioned high reflecting material is more preferably 100～200 weight portions with respect to base resin 100 weight portions.
In addition, the normal reflection reduced rate before and after application when above-mentioned base resin has the film that forms thickness 10 μ m in normal reflection rate on more than 80% aluminium alloy plate is the characteristic below 10%.
Normal reflection reduced rate before and after application in the time of the test of film that is carried out at the thickness 10 μ m that on more than 80% aluminium alloy plate of normal reflection rate, formation is made up of above-mentioned base resin exceedes 10%, and it is large that the loss of light becomes, and reflectivity likely reduces.
In addition, above-mentioned normal reflection reduced rate can pass through 100-{ (the front normal reflection rate of normal reflection rate/application after application) × 100} (%) derives.
As above-mentioned base resin, for example, can enumerate: unsaturated polyester resin, carried out the polyester resins such as fatty acid modified mylar (alkyd resins), oil-free alkyd resin, continuous shape mylar.
In addition, above-mentioned high reflecting material is made up of one or more in barium sulfate, titanium oxide, calcium carbonate, calcium sulfate, aluminium oxide, magnesia, magnesium sulfate, magnesium silicate, zinc oxide, glass, aluminium nitride, boron nitride, silica, zirconia, Hollow Glass Sphere.
In addition, as the glass ingredient of above-mentioned Hollow Glass Sphere, can use silicate glass, Boratex glass, quartz glass, other various types of glass.
In addition, the average grain diameter of above-mentioned high reflecting material is 0.1～10 μ m.
In the case of the average grain diameter less than 0.1 μ m of above-mentioned high reflecting material, visible ray easily sees through, and reflectivity may reduce.On the other hand, exceed 10 in the average grain diameter of above-mentioned high reflecting material
In the situation of μ m, exist above-mentioned high reflecting material to increase such problem from the number that comes off of film.In addition, easily crack adding in precoated shet in man-hour.
And the average grain diameter of above-mentioned high reflecting material is 0.2～1.0 μ m more preferably.
The average grain diameter of above-mentioned high reflecting material is the meso-position radius (D50) of primary particle, with electron microscope observation, calculates by the diameter of each particle of image analysis program determination.
In addition, the thickness of above-mentioned high reflection layer is 20～150 μ m.
While obtaining higher high reflectance, more than preferably the thickness of high reflection layer being set as to 100 μ m, in the situation that processing is strict, preferably less than 100 μ m.
In the case of the thickness less than 20 μ m of above-mentioned high reflection layer, reflectivity significantly reduces.On the other hand, exceed 150 μ m at the thickness of above-mentioned high reflection layer, although wish that reflectivity improves,, the problem that exists cost to improve.In addition, may in precoated shet, easily crack man-hour adding.
In the case of having the precoated shet of above-mentioned high reflection layer is only made up of high reflection layer, above-mentioned precoated shet is 20～150 μ m.
In addition, the precoated shet with above-mentioned high reflection layer is at stacked high reflection layer with do not have the layer of high reflection characteristic and forming, the thickness of preferred above-mentioned precoated shet is 40～120 μ m.
In addition, in above-mentioned precoating aluminum alloy plate, have above-mentioned high reflection layer precoated shet outermost layer preferably with respect to above-mentioned base coating film 100 weight portions contain 0.05～3 weight portion by one or more the interior waxes that form in animality wax, vegetalitas wax, synthetic wax, pertroleum wax (イ Application Na one ワ Star Network ス).
In this case, can give the effect that precoating aluminum alloy plate sliding improves.
As above-mentioned animality wax, for example, can enumerate lanolin etc.
In addition, as above-mentioned vegetalitas wax, for example, can enumerate Brazil wax etc.
In addition, as above-mentioned synthetic wax, for example, can enumerate Tissuemat E, f-t synthetic wax etc.
In addition, as above-mentioned pertroleum wax, for example, can enumerate paraffin, microwax or vaseline etc.
In containing quantity not sufficient 0.05% of above-mentioned interior wax, can not obtain the effect that sliding improves.On the other hand, exceed 3 weight portions the problem that has cost to improve at the content of above-mentioned interior wax.
In addition, preferably between above-mentioned precoated shet and aforesaid substrate, form chemical composition coating.
In this case, can effectively improve the tack of aforesaid substrate and above-mentioned precoated shet.In addition, can realize excellent corrosion resistance, the painting underfilm corrosion causing can suppress in surface that the corrosive substance such as water, chlorine compound is impregnated into aluminium alloy plate time, can realize and prevent that film crackle and film from peeling off.
As above-mentioned chemical composition coating, can adopt the chemical films processing by non-chromate processing such as the titanium phosphate outside chromate processing, the chromium compounds such as chromium phosphate hydrochlorate (リ Application acid Network ロ メ mono-ト), chromic acid chromium hydrochlorate (Network ロ system acid Network ロ メ mono-ト) and basic zirconium phosphate, molybdenum phosphate, trbasic zinc phosphate etc., i.e. the film obtaining is processed in so-called chemical conversion.
In addition, in the chemical conversion processing methods such as above-mentioned chromate processing and non-chromate processing, reactive pattern and application type, still, in the present invention, all it doesn't matter to adopt which method.
Embodiment
Embodiment 1
In this example, use Fig. 1 and Fig. 2 to describe the height reflection precoating aluminum alloy plate of the embodiment of the present invention.The present invention is not limited only to these embodiment.
In this example, as embodiments of the invention, make 12 kinds of precoating aluminum alloy plates (sample E1～sample E12) and as comparative example of the present invention, make 8 kinds of precoating aluminum alloy plates (sample C1～sample C8).
The precoating aluminum alloy plate 1 of the precoated shet 3 that as shown in Figure 1, the height of this example reflection precoating aluminum alloy plate 1 (sample E1～sample E12) is the one side that has the substrate 2 that is made up of aluminium alloy plate, be formed at this substrate 2.
In the time making the height reflection precoating aluminum alloy plate 1 of this example, first, as the substrate 2 being formed by aluminium alloy plate, prepare the 1050-H24 aluminium alloy plate of thickness 0.5mm.
In addition, as the base resin 42 that forms above-mentioned precoated shet 3, the mylar that normal reflection reduced rate before and after application when preparing to be formed with the film of thickness 10 μ m on more than 80% aluminium alloy plate in normal reflection rate is 5%, as a reference example, prepare the polyurethane resin that the mylar that above-mentioned normal reflection reduced rate is 20%, above-mentioned normal reflection reduced rate are 6%, the acrylic resin that above-mentioned normal reflection reduced rate is 10%.
Above-mentioned normal reflection reduced rate is the above-mentioned base resin with monomer application 10 μ m on the surface of the aluminium alloy plate of normal reflection rate 84%, measure the test of the normal reflection rate after application, calculate with normal reflection reduced rate=100-{ (the normal reflection rate (%)/84% after application) × 100} (%).
In addition, be that 0.5 μ m, three kinds of titanium oxide of 0.1 μ m, 0.06 μ m, average grain diameter are three kinds of barium sulfate of 1 μ m, 10 μ m, 15 μ m as forming the high reflecting material 41 of above-mentioned precoated shet 3, preparing average grain diameter.
Then, with bases degreasing agent, aforesaid substrate 2 is being carried out after degreasing, in chromium phosphate hydrochlorate is bathed, implementing chromium phosphate hydrochlorate and process formation chemical composition coating, i.e. chromate film 5.The Cr content that chromate film amount is set as in film is 20 ± 5mg/m
2amount.
Then, to sample E1～sample E12, sample C1～sample C8, on the chemical composition coating 5 of aforesaid substrate 2, use excellent coating machine to be coated in the coating that contains the high reflecting material 41 shown in table 1 with the content shown in table 1 in the base resin 42 shown in table 1 respectively.Afterwards, in the stove of 240 ℃, carry out 60 seconds sintering, make the temperature on aluminium surface reach 230 ℃ and be cured, thus, form precoated shet 3 (high reflection layer 4), obtain precoating aluminum alloy plate 1 (sample E1～sample E12 and sample C1～sample C8).
Above-mentioned precoated shet 3 is formed by one or more layers in the mode with thickness shown in table 1.
[table 1]
The precoating aluminum alloy plate 1 obtaining is carried out to the evaluation of reflectivity, processability below.
< reflectivity >
Reflectivity is evaluated by measuring total reflectivity.The mensuration of total reflectivity is carried out with society of color technical research institute integrating sphere spectral photometric colour measuring processed meter in village.The total reflectivity of white plate of the micropowder that is fixed with barium sulfate is set as to 100%, each sample is defined as to total reflectivity by the measured value of 550nm wavelength.To the results are shown in table 1.
In the case of more than the thickness of precoated shet 3 is 100 μ m, total reflectivity is that more than 95% average evaluation is zero, by the average evaluation of total reflectivity less than 95% be ×.In addition, in the case of the thickness less than 100 μ m of precoated shet 3, be that more than 88% average evaluation is zero by total reflectivity, the situation of total reflectivity less than 88% is set as bad, represent with × mark.
In addition, Fig. 2 represents the mechanism of high reflection layer 4.As shown in Figure 2, the large above-mentioned specific high reflecting material 41 of refractive index that high reflection layer 4 contains specified quantitative in the base resin 42 with light transmission, also has specific thickness.And, invade the above-mentioned base resin 42 of light transmission of above-mentioned precoated shet 3 (high reflection layer 4), reflect at the interface of above-mentioned base resin 42 and above-mentioned high reflecting material 41, therefore, can obtain high reflectivity.
< processability >
Processability is to evaluate by carrying out 90 ° of bendings and U-shaped bending.
It is zero that 90 ° of bendings, U-shaped bending are not all had to the average evaluation of crackle on film, is △ by the average evaluation of only seeing crackle in U-shaped bending on film, the average evaluation of seeing crackle when bending by 90 ° on film for ×.To the results are shown in table 1.By be evaluated as zero and the situation of △ be set as qualified, by being evaluated as × situation be set as defective.
In addition, the overall merit shown in table 1 by the evaluation of reflectivity and processability all qualified situation be set as qualified (being evaluated as zero), underproof the either party of reflectivity, processability situation is set as to defective (being evaluated as ×).
As shown in table 1, as sample E1～sample E12 of embodiments of the invention, all show excellent reflectivity and processability.
In addition, the thickness of the precoated shet 3 of above-mentioned sample E1～sample 12 (high reflection layer 4) is 20～140 μ m, therefore, can reduce thickness and weight.
In addition, due to above-mentioned base resin 42 and high reflecting material 41 cheap, and can easily form above-mentioned precoated shet 3, therefore, can reduce manufacturing cost.
Like this, according to this example, thickness and weight, reduction manufacturing cost can be reduced, the height reflection precoating aluminum alloy plate of formability and reflection characteristic excellence can be obtained.
In addition, as appreciable from table 1, sample C1 as a comparative example, the thickness of precoated shet (high reflection layer) exceeds the upper limit of the present invention, and therefore, although reflectivity is good, processability is defective.In addition, manufacturing cost increases.
In addition, the thickness of the precoated shet of sample C2 is lower than lower limit of the present invention, and thus, reflectivity significantly reduces, and reflectivity is defective.
In addition, the average grain diameter of the high reflecting material of sample C3, lower than lower limit of the present invention, therefore, easily sees through visible ray, and reflectivity reduces, and reflectivity is defective.
In addition, the content of the high reflecting material of sample C4 is lower than lower limit of the present invention, and therefore, reflectivity reduces, and reflectivity is defective.
In addition, the content of the high reflecting material of sample C5 exceeds the upper limit of preferable range of the present invention, and therefore, high reflecting material easily increases from the number that comes off of film, in addition, becomes easily and cracks adding in precoated shet in man-hour, and processability is defective.
In addition, the average grain diameter of the high reflecting material of sample C6 is greater than average grain diameter of the present invention, and therefore, above-mentioned high reflecting material easily increases from the number that comes off of film, in addition, becomes easily and cracks adding in precoated shet in man-hour, and processability is defective.
In addition, the normal reflection reduced rate of the base resin of sample C7 and sample C8 exceeds the upper limit of the present invention, and therefore, resin is many to the absorption of light, thus, becomes the reason that total reflectivity reduces, and reflectivity is defective.
In addition, in this example, above-mentioned precoated shet 3 only forms in the one side of aforesaid substrate 2, still, can certainly be located at the two sides of aforesaid substrate.
In addition, in this example, high reflecting material is set as single kind, still, in the case of the multiple high reflecting material of combination, also can obtain same effect.
(embodiment 2)
As shown in Figure 3, this example is for having made the example of the height reflection precoating aluminum alloy plate 102 that is formed with the precoated shet 302 being laminated by high reflection layer 402 and bottom 6.
As the bottom coating that forms above-mentioned bottom 6, having prepared polyester is subbing.
For same with the substrate using in above-described embodiment 1, the substrate 2 that formed chromate film 5, use scraping strip coating machine on above-mentioned chromate film 5, to apply above-mentioned bottom coating.Afterwards, use scraping strip coating machine to apply the coating of the high reflecting material (titanium oxide) that contains 150 weight portions with respect to base resin (polyester) 100 weight portions thereon.Afterwards, in the stove of 240 ℃, carry out 60 seconds sintering, make the temperature on aluminium surface reach 230 ℃ and be cured, thus, form the precoated shet 302 being formed by above-mentioned bottom 6 and above-mentioned high reflection layer 402, obtain high reflection precoating aluminum alloy plate 102.
The thickness of above-mentioned bottom 6 is 5 μ m, and the thickness of above-mentioned high reflection layer 402 is 40 μ m.
The height reflection precoating aluminum alloy plate 102 of this example is same with the height reflection precoating aluminum alloy plate obtaining in above-described embodiment 1, can reduce thickness and weight, reduction manufacturing cost, formability and reflection characteristic excellence.
(embodiment 3)
As shown in Figure 4, this example is for making the example of the height reflection precoating aluminum alloy plate 103 that is formed with the precoated shet 303 being made up of the first high reflection layer 403 and the second high reflection layer 404 that contains interior wax 43.
Prepare Brazil wax as above-mentioned interior wax 43.
For same with the substrate using in above-described embodiment 1, the substrate 2 that is formed with chromate protective film 5; on above-mentioned chromate protective film 5, use scraping strip coating machine to apply the coating of the high reflecting material 41 (titanium oxide) that contains 150 weight portions with respect to base resin 42 (polyester) 100 weight portions; afterwards, use scraping strip coating machine to apply the coating of the interior wax 43 of the high reflecting material 41 (titanium oxide) that contains 60 weight portions with respect to base resin 42 (polyester) 100 weight portions, 2 weight portions.Afterwards, in the stove of 240 ℃, carry out 60 seconds sintering, make the temperature on aluminium surface reach 230 ℃ and be cured, thus, form the precoated shet 303 being formed by above-mentioned the first high reflection layer 403 and the second high reflection layer 404 (outermost layer) of containing interior wax, obtain high reflection precoating aluminum alloy plate 103.
The thickness of above-mentioned the first high reflection layer 403 is 40 μ m, and outermost layer is that the thickness of above-mentioned the second high reflection layer 404 is 20 μ m.
The height reflection precoating aluminum alloy plate 103 of this example contains interior wax 43 in the outermost layer 404 of precoated shet 303 with above-mentioned high reflection layer 403,404, therefore, can reduce thickness and weight, reduction manufacturing cost, not only formability and reflection characteristic excellence, and can there is good sliding.
Claims (5)
1. a high reflection precoating aluminum alloy plate, it is the precoating aluminum alloy plate with the substrate being made up of aluminium alloy plate and the precoated shet forming at the one or both sides of this substrate, it is characterized in that,
The precoated shet that at least one side forms at described substrate has the high reflection layer that contains high reflecting materials more than 30 weight portions with respect to base resin 100 weight portions;
Described base resin is that the normal reflection reduced rate before and after the application form the film of thickness 10 μ m on more than 80% aluminium alloy plate during in normal reflection rate is the mylar below 10%;
Described high reflecting material is made up of one or more in barium sulfate, titanium oxide, calcium carbonate, calcium sulfate, aluminium oxide, magnesia, magnesium sulfate, magnesium silicate, zinc oxide, glass, aluminium nitride, boron nitride, silica, zirconia, Hollow Glass Sphere;
The average grain diameter of described high reflecting material is 0.1～10 μ m;
The thickness of described high reflection layer is 20～150 μ m.
2. high reflection precoating aluminum alloy plate claimed in claim 1, is characterized in that,
The content of described high reflecting material is is below 300 weight portions with respect to described base resin 100 weight portions.
3. the reflection of the height described in claim 1 or 2 precoating aluminum alloy plate, is characterized in that,
Have described high reflection layer precoated shet outermost layer with respect to described base coating film 100 weight portions contain 0.05～3 weight portion by one or more the interior waxes that form in animality wax, vegetalitas wax, synthetic wax, pertroleum wax.
4. the reflection of the height described in claim 1 or 2 precoating aluminum alloy plate, is characterized in that, between described precoated shet and described substrate, is formed with chemical composition coating.
5. high reflection precoating aluminum alloy plate claimed in claim 3, is characterized in that, between described precoated shet and described substrate, is formed with chemical composition coating.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009073392A JP4783445B2 (en) | 2009-03-25 | 2009-03-25 | High reflection pre-coated aluminum alloy plate |
| JP2009-073392 | 2009-03-25 | ||
| PCT/JP2010/054900 WO2010110229A1 (en) | 2009-03-25 | 2010-03-22 | Highly reflective precoated aluminum alloy plate |
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| CN102361752A CN102361752A (en) | 2012-02-22 |
| CN102361752B true CN102361752B (en) | 2014-05-21 |
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| JP (1) | JP4783445B2 (en) |
| CN (1) | CN102361752B (en) |
| TW (1) | TWI556954B (en) |
| WO (1) | WO2010110229A1 (en) |
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| JP5899638B2 (en) * | 2011-03-28 | 2016-04-06 | 大日本印刷株式会社 | Method for producing mold for producing antireflection film |
| CN103173098B (en) * | 2013-04-12 | 2016-01-20 | 东莞旭光五金氧化制品有限公司 | Heat loss through radiation High tailored coating and production technique thereof |
| CN103555171A (en) * | 2013-10-16 | 2014-02-05 | 苏州瑞邦塑胶有限公司 | Aqueous double-component inner wall heat-insulation coating |
| FR3017873A1 (en) * | 2014-02-27 | 2015-08-28 | Baikowski | SUSPENSION FOR REFLECTIVE COATING OF LIGHTING DEVICE AND METHOD OF MANUFACTURING THE SAME |
| CN109988467B (en) * | 2019-03-29 | 2021-10-29 | 杭州瑞酷新材料有限公司 | Radiation cooling coating and preparation method and application thereof |
| CN109942865B (en) * | 2019-03-29 | 2021-11-19 | 杭州瑞酷新材料有限公司 | Preparation method of radiation cooling film |
| CN115820024B (en) * | 2022-11-29 | 2023-12-22 | 北京星驰恒动科技发展有限公司 | High-spectral reflectivity high-infrared emissivity powder, preparation method and application |
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| JPH0736051A (en) * | 1993-07-20 | 1995-02-07 | Toppan Printing Co Ltd | Production of electrode plate for display device |
| EP2420872A3 (en) * | 2001-12-14 | 2012-05-02 | QUALCOMM MEMS Technologies, Inc. | Uniform illumination system |
| JP4576145B2 (en) * | 2003-09-03 | 2010-11-04 | 住友軽金属工業株式会社 | High reflection pre-coated aluminum alloy plate |
| US20080136998A1 (en) * | 2004-11-19 | 2008-06-12 | Mitsubishi Plastics, Inc. | Light-Reflecting Material and Method for Manufacturing Light-Reflecting Material |
| JP2006162890A (en) * | 2004-12-06 | 2006-06-22 | Matsushita Electric Ind Co Ltd | Display apparatus |
| JP2006327157A (en) * | 2005-05-30 | 2006-12-07 | Toyobo Co Ltd | Laminated polyester film |
| JP2008139832A (en) * | 2006-11-10 | 2008-06-19 | Sony Corp | Liquid crystal display and optical element used therefor |
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| JP特开2005-96405A 2005.04.14 |
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| JP特开平7-36051A 1995.02.07 |
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| JP2010221617A (en) | 2010-10-07 |
| TW201105495A (en) | 2011-02-16 |
| WO2010110229A1 (en) | 2010-09-30 |
| TWI556954B (en) | 2016-11-11 |
| CN102361752A (en) | 2012-02-22 |
| JP4783445B2 (en) | 2011-09-28 |
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