WO2004017717A1 - 農園芸施設用断熱資材 - Google Patents
農園芸施設用断熱資材 Download PDFInfo
- Publication number
- WO2004017717A1 WO2004017717A1 PCT/JP2002/008424 JP0208424W WO2004017717A1 WO 2004017717 A1 WO2004017717 A1 WO 2004017717A1 JP 0208424 W JP0208424 W JP 0208424W WO 2004017717 A1 WO2004017717 A1 WO 2004017717A1
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- WIPO (PCT)
- Prior art keywords
- resin
- heat
- heat insulating
- agricultural
- transmittance
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/22—Shades or blinds for greenhouses, or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
Definitions
- the present invention relates to a film-shaped or board-shaped material used for a roof or an outer wall material of an agricultural and horticultural house, and more particularly to an insulating material for an agricultural and horticultural facility having an insulating effect.
- resin films and resin plates are generally used as roofs and outer wall materials.
- typical materials butyl chloride resin, polyethylene resin, polyester resin, fluorine resin, etc. are generally used, and recently attention has been paid to the fact that fluorine resin is excellent in weather resistance and light transmittance in the ultraviolet region. Have been.
- Japanese Patent Application Laid-Open No. 9-330612 proposes that a dye having near-infrared absorption ability is added to resin to provide heat insulation properties as a member for office automation equipment. Also, Japanese Patent Application Laid-Open No. 6-118228 proposes, as an optical filter, a heat-insulating resin containing copper ion.
- the pigments and coppers proposed in the above publication have low weather resistance and are resistant to ultraviolet rays, heat, etc.
- the heat-insulating effect deteriorates quickly if exposed to a long-term outdoor environment.
- the resin surface is whitened and light transmittance is extremely reduced. Therefore, it has been difficult to use resin films containing pigments and copper ions as materials for agricultural and horticultural facilities for a long period of time.
- the present invention is a film-like or board-like material used for a roof or an outer wall material of an agriculture house, which has excellent weather resistance and transmits visible light.
- An object of the present invention is to provide a heat-insulating material for agricultural and horticultural facilities having a heat insulating property by efficiently shielding near-infrared light while maintaining necessary brightness. Disclosure of the invention
- the heat insulating material for agricultural and horticultural facilities according to the present invention includes a heat insulating layer made of a resin base material in which fine-particle heat insulating fillers are dispersed, and the heat insulating filler is selected from lanthanum hexaboride and antimony-added tin oxide. And at least one kind.
- the heat insulating material for agricultural and horticultural facilities according to the present invention preferably has a visible light transmittance of 30 to 90%, a solar transmittance of 10 to 80%, and furthermore has an ultraviolet light transmittance. It is preferable that the light transmittance at a wavelength of 320 nm is 5% to 80% and the light transmittance at a wavelength of 290 nm is 0% to 70%.
- the heat insulating layer in the heat insulating layer has a content of 0.01 to 1 g Zm 2 for lanthanum hexaboride and 1 for antimony-added tin oxide. It is preferably from 0 to 50 g / m 2 . Further, it is preferable that the resin base material of the heat insulating layer is a fluororesin or a polyethylene terephthalate resin.
- the heat insulating material for an agricultural and horticultural facility according to the present invention, a single film shape or a board shape consisting only of the heat insulating layer, or a film shape or a board shape of the heat insulating layer Laminated on the base material surface or sandwiched between two base materials Form.
- the values of the respective light transmittances described above in the present invention are calculated by measuring based on JISA 575 (1998) (light source: A light) relating to the film for building window glass. .
- the solar radiation transmittance is a transmittance for light in a wavelength range of 350 to 210 nm, and was used as an index for evaluating the heat insulating property of a heat insulating material for agricultural and horticultural facilities in solar light in the present invention.
- the visible light transmittance is a transmittance for light in a wavelength range of 380 to 780 ntn, and was used as an index for evaluating the brightness to human eyes.
- FIG. 9 is a graph showing the spectrum.
- Figure 2 is (a lm 2 per two types particulate weight is different for the dispersion films shown and has upper profiles is not less particulate weight transmittance spectrum) transmission spectrum of AT O particle dispersed film
- the insulating material for agricultural and horticultural facilities is in the form of a film or board (plate) used as a roof or outer wall material for agricultural and horticultural houses.
- a heat insulating layer made of a dispersed resin base material is provided.
- a heat-insulating filler near infrared light is absorbed efficiently, excellent Rokuho ⁇ of lanthanum heat insulating properties can be imparted (L a B 6) or antimony-doped tin oxide (S N_ ⁇ 2 + S b 2 0 5: below, a combination of either two or using either one of abbreviated) with AT O.
- the object of thermal insulation is thermal energy from sunlight.
- the sunlight reaching the surface of the earth is generally said to be in the wavelength range of about 290 to 210 nm, of which the light in the visible wavelength range of about 380 to 780 nm is the brightness within the facility. It is the light necessary to maintain and grow plants. Therefore, in heat insulation of sunlight, it is preferable to select a material that contributes to thermal insulation by selectively and efficiently absorbing near-infrared light of about 780 to 210 nm.
- This transmission peak has the highest sensitivity to the human eye and matches the wavelength, which is advantageous for maintaining the brightness in the facility.
- L a B 6 since there is a large absorption near the wavelength of 100 ° nm, it is possible to efficiently absorb near-infrared light and efficiently insulate the heat energy of sunlight.
- the ultraviolet absorption by L a B 6 is small, therefore it does not adversely affect the growth of pollination activities and plant by insects.
- the wavelength 2 9 0 ⁇ 3 2 0 nm permeability ultraviolet is possible and controlled child by adjusting the amount of L a B 6 fine particles into the resin base material in.
- an inorganic material, an organic material, or an organic-inorganic composite material for shielding ultraviolet rays for example, cerium oxide, titanium oxide, zirconium oxide, zinc oxide, a benzophenone-based ultraviolet absorber, etc.
- the above-mentioned inorganic material-based UV absorber has a surface treated with a coating because electrons and holes are generated on the surface when absorbing ultraviolet light, which may deteriorate the resin base material. Things are desirable.
- the surface coating treatment various types of coupling agents, surface modifiers, sol-gel silicates, and the like are typical, but any method can be used as long as the effect of preventing the deterioration of the resin can be obtained.
- the heat insulating material of the present invention using La B 6 fine particles as a heat insulating filler has heat insulating properties by efficiently absorbing the near-infrared region of solar light, and at the same time is visible around a wavelength of about 550 nm. Since the transmission characteristics of the light region are good, the brightness in the facility can be sufficiently maintained.
- the fertilizer has a characteristic of transmitting ultraviolet light having a wavelength of 320 nm or less, whereby bees and the like contributing to pollination can be actively activated, and stable harvest can be expected.
- FIG. 2 shows the transmission spectrum of the ATO fine particle dispersed film. As can be seen from Fig. 2, it shows a large and flat transmission profile in the visible light wavelength range from 380 to 780 nm, and the facility can be kept bright because there is almost no visible light absorption. In addition, since it has absorption in the near-infrared region with a wavelength of 800 nm or more, a high heat insulating effect can be obtained. Furthermore, since transmission in the ultraviolet region of a wavelength of 290 to 320 nm is obtained, pollination of bees and the like has almost no adverse effect.
- an inorganic material for blocking ultraviolet rays, an organic material, and an organic-inorganic composite material can be added in order to control the transmittance in the ultraviolet region.
- the desirability of surface coating treatment to prevent deterioration is the same as in the case of L a B 6 above.
- the heat-insulating material of the present invention using the ATO fine particles as the heat-insulating filler is colorless and transparent in the visible light region, so that the brightness in the facility can be sufficiently maintained, and absorption or absorption in the near-infrared light region is high. In addition to having a heat insulating effect, it also has transmission in the ultraviolet region.
- L a B 6 and ATO together as an insulating filler, At this time, a heat insulating material having more effective heat insulating properties is obtained.
- L a ⁇ ⁇ ⁇ ⁇ has a large absorption near the wavelength of 100 nm, while ATO gradually increases absorption at a wavelength of 800 nm or more. I do. Therefore, by dispersing both fine particles in the resin base material, the absorption or absorption in the near infrared region becomes larger and more efficient than in the case where only one of the fine particles and only one of the fine particles is used, and the heat insulation characteristics are further improved. Individuals can be obtained.
- the heat-insulating material for agricultural and horticultural facilities of the present invention using the La B 6 and Z or ATO fine particles as the heat-insulating filler has a transparency in the visible light range for maintaining a desired brightness and a near-infrared light for providing a high heat-insulating effect. It combines the three properties of absorbance in the outer region and permeability in the ultraviolet region at the same time, and is extremely useful as a roof or outer wall material for agricultural and horticultural facilities such as houses.
- these heat-insulating fillers are inorganic materials, they have higher weather resistance than organic materials and are particularly excellent as heat-insulating materials for agricultural and horticultural facilities used outdoors.
- the heat insulating material for agricultural and horticultural facilities of the present invention it is important that a good balance between optical transparency and absorption in the near-infrared region 1 "is obtained. It is preferably from 90 to 90%, more preferably from 60 to 90%, and at the same time, the S-radiation transmittance is preferably from 10 to 80%, and from 10 to 70%.
- the light transmittance in the ultraviolet region the light transmittance at a wavelength of 320 nm is preferably 5 to 80%, and the light transmittance at a wavelength of 290 nm is 0 to 7%. Preferably it is 0%.
- the particle diameter (including agglomerated particles) of the above-mentioned fine-particle heat insulating filler can be appropriately selected depending on whether or not the scattering effect is used.
- the particle size of the heat-insulating filler dispersed in the resin base material of the heat-insulating layer is 200 nm or less, particularly 100 nm or less, the scattering of the sunlight becomes extremely small, and the sunlight is scattered to plants or the ground. Will be reached directly.
- the light in the visible light region is hardly scattered, it is easy to observe the situation inside the facility such as a house from the outside, and to confirm the outside situation from inside the facility. You can also.
- the particle size of the fine particles dispersed in the heat insulating layer exceeds 200 nm, the scattering of sunlight is large, the light reaching the plants and the ground in the facility becomes uniform, and the framework of the house, etc. The effect of shadows on plants is reduced. At the same time, light in the visible light range is also scattered, making it difficult to clearly observe the situation inside the facility from outside even if the facility can be maintained at the required brightness.
- Method for controlling the particle diameter of L a B 6 and ATO is various, but if you decrease the particle size, medium stirring mill, sonication, collision pulverization, there is a method of p H control, etc., of The method can be selected according to the application such as a wet method or a dry method.
- a wet method or a dry method it is possible to disperse the particles in a stable state by using various force coupling agents, dispersants, and surfactants. Can be held stably.
- L a B 6 and Z or the onset Ming agricultural and horticultural facilities for thermal insulation material comprising a heat-insulating layer of the resin base material obtained by dispersing fine particles of ATO are being used to agricultural houses and the like conventionally as roofs and outer walls That is, it is in the form of a film or a board (plate). In general, it is a single film or board consisting of only the heat insulation layer, but it is on a transparent film or pod base made of resin, glass, etc., or two base materials made separately. It may have a structure in which at least one heat insulating layer is laminated or sandwiched therebetween.
- the heat insulating layer is formed by kneading La B 6 and Z or ATO fine particles, which are heat insulating fillers, into a resin and molding it. Can be.
- the particle size of the fine particles can be controlled by the above method as necessary.
- L a B 6 and Z or AT O microparticles kneaded resin after Peretsuto of, For example, extrusion molding, inflation molding method, a solution casting method or the like, a film Into a shape or a board.
- the thickness of the film or board at this time can be appropriately set according to the purpose of use, but in general, in the case of a film, the thickness is 10 to 1,000 ⁇ m, preferably 20 to 500 / zm. In the case of a board, it is desirable to set the range of 2 to 15 mm.
- the amount of L a B 6 and Z or ATO fine particles are kneaded into the resin is preferably 50 wt% or less with respect to the kneading and consideration of general resin operability, etc. during molding.
- the content of the heat-insulating filler uniformly dispersed in the heat-insulating layer can be arbitrarily changed according to the desired optical properties and heat-insulating properties.
- L a B 6 has a high thermal insulation efficiency definitive unit weight
- content per insulation layer lm 2 is obtained valid insulating effect 'at 0.01 g or more.
- 1 is capable of absorbing heat Eneru ghee GZm 2 in about 90% of the sunlight, a sufficient effect can be obtained in the summer heat insulation, the more additives considering the heating effect in winter preferably Absent. Therefore, the content of LaB 6 is preferably in the range of 0.01 to 1 gZm 2 .
- the heat insulating filler of AT O is the content of lm 2 per about 3 g of the heat insulating layer, it is possible to absorb the thermal energy of sunlight for about 30%. In general, if it is less than 1.0 g / m 2 , the heat insulating effect is not sufficient, and if it exceeds 50 g / m 2 , the cost increases, and furthermore, it becomes difficult to process the material for heat insulation, which is not preferable. No. Therefore, the ATO content is preferably in the range of 1.0 to 50 g / m 2 .
- the resin used as the matrix of the heat insulating layer is not particularly limited, and can be selected according to the application.
- PET polyethylene terephthalate
- PET polyethylene terephthalate
- PET resin is characterized by its transmittance in the ultraviolet region. It transmits near the wavelength of 320 nm, but hardly transmits near the wavelength of 290 nm, and is a preferred resin material for controlling the transmittance in the ultraviolet region. is there.
- the fluorine-based resin may be any resin containing fluorine in the molecular structure, for example, a tetrafluoroethylene resin, a trifluorination ethylene resin, a difluorination ethylene resin, a monofluorination ethylene resin, or the like. And a mixture thereof may be used.
- PTFE polytetrafluoroethylene
- PFA tetrafluoroethylene-perfluoroalkylbutyl ether copolymer
- FEP tetrafluoroethylene-hexafluoropropylene copolymer
- EPE tetrafluoroethylene Mouth ethylene-hexafluoropropylene-perf / reoloalkylbininole-ethylene copolymer
- EPE tetrafluoroethylene-ethylene copolymer
- ETEF tetrafluoroethylene-ethylene copolymer
- CPTFE polychlorotriphenylenoethylene
- ECTFE Ethylene-ethylene copolymer
- ECTFE polyvinylidene fluoride
- PVDF polyvinyl fluoride
- PVF polyvinyl fluoride
- the base material made of existing resin film or board or glass plate or the like can be coated on one or both surfaces.
- the coating method is not particularly limited as long as a uniform coating film can be formed on the surface of the base material.
- a bar coating method, a Daravia coating method, a spray coating method, a dip coating method and the like can be used.
- the surface of the base material is treated in advance to improve the adhesion to the heat insulating layer.
- This surface treatment simultaneously improves the wettability of the base material surface, prevents repelling during coating, and facilitates obtaining a uniform coating.
- the surface treatment method corona treatment, sputtering treatment, primer coating treatment and the like are well known.
- another base material may be laminated on the above-mentioned heat insulating layer of the base material coated with the heat insulating layer by an arbitrary method to sandwich the heat insulating layer, or a heat insulating layer preliminarily formed into a film or board may be used.
- the insulation material for agricultural and horticultural facilities can be formed by being sandwiched between two base materials.
- a resin for laminating a resin film for example, a chloride chloride copolymer or the like can be used as a resin or a binder for holding the fine particles of the heat insulating filler.
- La B 6 fine particles (specific surface area: 30 m 2 / g), 75 parts by weight of toluene, and 5 parts by weight of a dispersant were mixed and subjected to a dispersion treatment to obtain a dispersion A having an average dispersed particle diameter of 80 nm.
- the solvent component was removed from this dispersion A at 50 ° C. using a vacuum dryer to obtain dispersion-processed La A 6 powder A.
- the average dispersed particle diameter was measured by a measuring device using a dynamic light scattering method (Otsuka Electronics Co., Ltd .: ELS-800), and the average value was taken.
- the obtained film-shaped heat insulating material is subjected to optical measurement in accordance with JISA 5759 (1998) (light source: A light), and the visible light transmittance, the solar transmittance, and the light transmittance in the ultraviolet region are measured. I asked. However, the measurement sample was not attached to the glass, but the film itself was used. Further, in order to evaluate transparency, a haze value was measured based on JIS K71005. The lower the haze value, the higher the transparency.
- the visible heat transmittance of the film insulation material is 70% and the solar light transmittance is 50%, and it can sufficiently transmit light in the visible light range and simultaneously shield 50% of the direct incident light of sunlight. It was found to have a high heat insulation effect.
- the transmittance in the ultraviolet region is 18 at a wavelength of 290 nm. /. And at 320 nm 26. /. This was within the range where bees etc. could pollinate sufficiently.
- the ⁇ value is 4.2%, which means that it has a high degree of transparency so that the internal conditions can be sufficiently confirmed from the outside.
- Example 1 without adding L a B 6 fine particles of the insulating filler, extruding the ETFE resin, to form a film having a thickness of about 50 / m.
- a visible light transmittance 89% and transmits ten parts of light in the visible light range, but also has a solar transmittance of 89%, which can block only about 11% of the direct incident light of the sun's rays. Is low.
- the transmittance in the ultraviolet region was 82% at a wavelength of 290 nm and 88% at 320 ⁇ m, and the ⁇ value was 4.0%.
- the content of L a B 6 fine particles in the film is equivalent to 0.05 g / m 2.
- the visible light transmittance was 80% and the solar radiation transmittance was 65%. It was found that about 35% of the direct incident light was shielded and that it had a high heat insulation effect.
- the transmittance in the ultraviolet region was 34% at a wavelength of 290 nm and 43% at 320 nm, which was within a range where bees and the like could pollinate sufficiently.
- the- ⁇ value is 4.1%, which is highly transparent and allows the internal conditions to be fully confirmed from outside.
- Example 2 In the same manner as in Example 2, except that PET (polyethylene terephthalate) resin was used instead of the ETFE resin, and the heating temperature was set to a temperature at which the PET resin was sufficiently softened (about 300 ° C). A film was prepared. The content of L a B 6 fine particles in the film corresponds likewise to 0.05 g / m 2 as in Example 2.
- PET polyethylene terephthalate
- the visible light transmittance was 79% and the solar radiation transmittance was 65%. Approximately 35% of the direct incident light is blocked, indicating a high heat insulation effect.
- the transmittance in the ultraviolet region is 0% and 320% at a wavelength of 290 nm. The 35% in nm and the 0% transmittance at 290 nm are due to the effect of the PET resin as the resin base material. Further, the haze value is 2.5%, which indicates that the transparency is very high.
- Example 3 without adding L a B 6 fine particles of the insulating filler, extruding the PET resin to form a film having a thickness of about 50 / zm.
- the resulting film has a visible light transmittance of 88%, which is sufficiently transparent to light in the visible light range.However, the solar transmittance is also 88%, and only about 12% of the direct sunlight can be blocked. It can be seen that the heat insulation effect is low.
- the transmittance in the ultraviolet region was 0% at a wavelength of 290 nm, 52% at 320 nm, and 1.0% at a haze line.
- ATO fine particles (specific surface area: 50 m 2 Zg), 75 parts by weight of toluene, and 5 parts by weight of a dispersant were mixed and subjected to a dispersion treatment to obtain a dispersion B having an average dispersed particle diameter of 75 nm.
- the solvent component was removed from this dispersion B at 50 ° C. using a vacuum drier to obtain a dispersion-processed ATO powder B.
- the transmittance in the ultraviolet region is 3.4% at a wavelength of 290 nm and 30.0% at 320 nm, which indicates that pollination of bees and the like can be carried out sufficiently.
- the haze value is 4.5%, which is transparent enough to allow the internal situation to be fully confirmed from the outside.
- the obtained film-shaped heat insulating material was evaluated in the same manner as in Example 1, and found to have a visible light transmittance of 84% and a solar light transmittance of 73%. However, it shields about 27% of the direct incident light of sunlight, indicating that it has a high heat insulation effect.
- the transmittance in the ultraviolet region is 15% at a wavelength of 290 nm and 49% at 320 nm, which is within a range where bees and the like can pollinate sufficiently.
- the haze ratio is 4.2%, which is highly transparent, and the internal situation can be fully confirmed from outside.
- the resulting liquid was deposited on a 50 / zm thick PET resin film that had been previously subjected to surface corona treatment using a bar coater, and dried at 100 ° C for 30 seconds to evaporate the solvent. After curing with a high-pressure mercury lamp, a heat insulating layer was formed on the PET resin film.
- the resulting film-like insulation material is composed of L a B 6 particles and the heat insulating layer which is dispersed in an ultraviolet hardening resin for a hard coat, and P ET resin film heat insulating layer is a base material coated It has a laminated structure. Further, the heat insulating layer of this film has a thickness of about 2 Mie, the content of L a beta 6 fine particles corresponds to 0.08 gZm 2.
- the visible light transmittance was 75. /.
- the solar radiation transmittance is 57%, and it transmits enough light in the visible light range, and at the same time, shields approximately 43% of the direct sunlight, providing high heat insulation.
- the transmittance in the ultraviolet region is 0% at a wavelength of 290 nm and 22% at 320 nm, and the transmittance at 290 nm is 0% for the PET resin base. Is the effect. Furthermore, the haze value is 1.0%, the transparency is extremely high, and the internal condition can be clearly confirmed from the outside.
- the heat-insulating material for an agricultural and horticultural facility according to the present invention has excellent weather resistance, and sufficiently transmits the light of the visible light castle necessary for internal work and plant growth, and at the same time, transmits near-infrared light. Efficiently absorbs or blocks and has high heat insulation properties.Also, because it can transmit or control ultraviolet rays moderately, it suppresses the occurrence of pests and sufficiently activates bees and other insects necessary for pollination. Can be activated. Therefore, it is suitable for use as roofs and outer wall materials for agricultural and horticultural houses.
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Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001181860A JP3997728B2 (ja) | 2001-06-15 | 2001-06-15 | 農園芸施設用断熱資材 |
US10/524,635 US20060116461A1 (en) | 2002-08-21 | 2002-08-21 | Heat shielding materials for use in agricultural and horticultural facilities |
PCT/JP2002/008424 WO2004017717A1 (ja) | 2001-06-15 | 2002-08-21 | 農園芸施設用断熱資材 |
CNB028294823A CN1327758C (zh) | 2001-06-15 | 2002-08-21 | 农业园艺设施用绝热材料 |
IN327CH2005 IN220565B (ja) | 2001-06-15 | 2002-08-21 | |
EP02760684.7A EP1541012B1 (en) | 2002-08-21 | 2002-08-21 | Heat insulation material for agricultural and horticultural facility |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001181860A JP3997728B2 (ja) | 2001-06-15 | 2001-06-15 | 農園芸施設用断熱資材 |
PCT/JP2002/008424 WO2004017717A1 (ja) | 2001-06-15 | 2002-08-21 | 農園芸施設用断熱資材 |
Publications (1)
Publication Number | Publication Date |
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WO2004017717A1 true WO2004017717A1 (ja) | 2004-03-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2002/008424 WO2004017717A1 (ja) | 2001-06-15 | 2002-08-21 | 農園芸施設用断熱資材 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060116461A1 (ja) |
EP (1) | EP1541012B1 (ja) |
WO (1) | WO2004017717A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1737644B1 (de) * | 2004-04-14 | 2010-11-17 | Basf Se | VERFAHREN ZUM SCHWEIßVERBINDEN VON KUNSTSTOFFTEILEN MIT HILFE VON LASERSTRAHLUNG |
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JP2004244613A (ja) * | 2003-01-23 | 2004-09-02 | Sumitomo Metal Mining Co Ltd | 日射遮蔽体と日射遮蔽体形成用分散液 |
US8900693B2 (en) | 2005-07-13 | 2014-12-02 | Sabic Global Technologies B.V. | Polycarbonate compositions having infrared absorbance, method of manufacture, and articles prepared therefrom |
US7892647B2 (en) | 2005-12-14 | 2011-02-22 | Solutia Incorporated | Interlayers comprising stabilized infrared absorbing agents |
US7585436B2 (en) * | 2005-12-14 | 2009-09-08 | Solutia Incorporated | Polymer films comprising stabilized infrared absorbing agents |
WO2009103375A1 (de) * | 2008-02-22 | 2009-08-27 | Evonik Röhm Gmbh | Stegplatten mit photosynthetisch aktiver strahlung |
DE102011103425A1 (de) * | 2011-06-07 | 2012-12-13 | Merck Patent Gmbh | Wellenlängenselektiv reflektierende Beschichtung |
PT2958870T (pt) * | 2013-02-25 | 2017-07-13 | Saint Gobain | Arranjo de painel de vidro com revestimento isolante de radiação infravermelha |
CN103283532B (zh) * | 2013-06-17 | 2014-11-19 | 湖北天瑞博能科技有限公司 | 纳米自组装隔热农膜 |
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JP3835769B2 (ja) * | 1996-03-19 | 2006-10-18 | リンテック株式会社 | ウインドフィルム |
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BR0115342A (pt) * | 2000-11-14 | 2003-08-26 | Solutia Inc | Composição de polivinil butiral de absorção de infravermelho (iv), folha da mesma e laminado contendo a mesma |
US6726979B2 (en) * | 2002-02-26 | 2004-04-27 | Saint-Gobain Performance Plastics Corporation | Protective glazing laminate |
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2002
- 2002-08-21 WO PCT/JP2002/008424 patent/WO2004017717A1/ja active Application Filing
- 2002-08-21 EP EP02760684.7A patent/EP1541012B1/en not_active Expired - Fee Related
- 2002-08-21 US US10/524,635 patent/US20060116461A1/en not_active Abandoned
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JPS63199266A (ja) * | 1987-02-12 | 1988-08-17 | Sumitomo Chem Co Ltd | 害虫防除用熱可塑性樹脂組成物 |
JPH06118228A (ja) | 1992-08-20 | 1994-04-28 | Kureha Chem Ind Co Ltd | 光学フィルターおよびその製造法 |
EP0746973A1 (en) * | 1994-02-21 | 1996-12-11 | Nippon Carbide Kogyo Kabushiki Kaisha | Agricultural covering material |
JPH09151203A (ja) * | 1995-05-09 | 1997-06-10 | Nippon Kayaku Co Ltd | 紫外線硬化型熱線遮断性樹脂組成物及びそれをコーティングしたフィルム |
JPH09205898A (ja) * | 1996-02-01 | 1997-08-12 | Toppan Printing Co Ltd | 農業用シート |
JPH09330612A (ja) | 1996-06-06 | 1997-12-22 | Kanebo Ltd | 近赤外線吸収パネル |
JPH10139489A (ja) * | 1996-11-05 | 1998-05-26 | Teijin Ltd | グリーンハウス用ガラス積層体 |
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EP1737644B1 (de) * | 2004-04-14 | 2010-11-17 | Basf Se | VERFAHREN ZUM SCHWEIßVERBINDEN VON KUNSTSTOFFTEILEN MIT HILFE VON LASERSTRAHLUNG |
Also Published As
Publication number | Publication date |
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US20060116461A1 (en) | 2006-06-01 |
EP1541012A4 (en) | 2006-09-27 |
EP1541012B1 (en) | 2015-10-07 |
EP1541012A1 (en) | 2005-06-15 |
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