WO2014010983A1 - 어닐링 처리된 무바인더 유리섬유를 포함하는 진공 단열재 - Google Patents
어닐링 처리된 무바인더 유리섬유를 포함하는 진공 단열재 Download PDFInfo
- Publication number
- WO2014010983A1 WO2014010983A1 PCT/KR2013/006258 KR2013006258W WO2014010983A1 WO 2014010983 A1 WO2014010983 A1 WO 2014010983A1 KR 2013006258 W KR2013006258 W KR 2013006258W WO 2014010983 A1 WO2014010983 A1 WO 2014010983A1
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- WIPO (PCT)
- Prior art keywords
- layer
- vacuum insulator
- glass fiber
- vacuum
- binder
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/075—Manufacture of non-optical fibres or filaments consisting of different sorts of glass or characterised by shape, e.g. undulated fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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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
- Y10T428/23—Sheet including cover or casing
- Y10T428/231—Filled with gas other than air; or under vacuum
Definitions
- the present invention relates to a vacuum insulator having superior heat insulation and cold storage performance using existing glass fibers, and more particularly, a vacuum insulator characterized by using annealing-free binder-free fiberglass as a core material, and having excellent heat insulation performance.
- the present invention relates to a vacuum insulator capable of maintaining a vacuum for a long time because no outgassing occurs during vacuum due to no organic matter remaining in the fiber.
- organic insulating materials using polystyrene or polyethylene for example, Korean Laid-Open Patent Publication No. 1999-0048791, 2011-0040347) and ore are melted at high temperature. It can be broadly classified into an inorganic insulating material (eg, Korean Laid-Open Patent Publication No. 2003-0058921) manufactured by spinning.
- an inorganic insulating material eg, Korean Laid-Open Patent Publication No. 2003-0058921 manufactured by spinning.
- the price is low and the workability is excellent, but the heat resistance is weak, and the fire involves ignition or toxic gas.
- the inorganic insulation material it is difficult to express insulation performance for high efficiency.
- Vacuum Insulation Panel is a heat insulator that has core material in airtight encapsulant and processed the inside in a vacuum state.
- Such vacuum insulation can be used in refrigerators, freezers, low temperature liquefaction tanks, refrigerated containers, cold / hot vending machines and building panels.
- polyurethane foam was used as the core material for vacuum insulation, but since the foam is not environmentally friendly and is an organic material, the degree of vacuum decreases due to outgassing after a long time.
- raw materials containing silica, alumina, alkali metal oxides, alkaline earth metal oxides, and / or boron oxides, etc. are mixed and melted at a high temperature of 1400 ° C. or higher.
- a rotary process method which spinner rotates at high speed and is manufactured using centrifugal force generated therefrom, has been used.
- an organic binder such as a phenol resin is used to bond the glass fibers.
- an organic binder is deformed into a gas after the vacuum process or thereafter, causing a weakening of the vacuum and ultimately lowering the heat insulating performance of the heat insulating material.
- glass fiber is used as a core material, there is a problem of volume increase during vacuum reduction. Since the thickness of the core material is not sufficiently secured, the amount of glass fibers constituting the core material is increased, thereby increasing the material cost.
- Korean Patent No. 10-746989 which is a prior patent of the applicant, has proposed a vacuum insulator applying a needle-free binder-free glass fiber as a core material.
- the needless binder-free glass fiber does not have outgassing by organic matter, but the core material is oriented in the vertical direction during the needling treatment, thus weakening the insulation performance and insufficient to satisfy the reinforced insulation performance standard. Therefore, it is required to develop a new concept of high-efficiency insulation material using binderless glass fiber but having superior insulation performance than existing products.
- the purpose of the present invention is not only has excellent heat insulation and cold storage performance than conventional glass fibers, but also eliminates the use of organic binders, so that outgassing does not occur in vacuum, resulting in low deterioration of thermal conductivity over time, and glass fibers using annealed glass fibers. It is to provide a vacuum insulation material having a better thermal insulation performance than conventional oil and inorganic insulation material and reducing the material cost by orienting in the horizontal direction and adjusting the thickness and density.
- the present invention provides a vacuum insulator comprising a glass fiber which is a core material, a gas adsorbent for adsorbing water and gas inside the vacuum insulator, and a breathable sealing member for encapsulating the glass fiber.
- the glass fiber is a binder-free glass fiber annealed
- the annealing treatment provides a vacuum insulator, characterized in that the binder-free glass fibers are treated in an annealing furnace at a temperature of 300 to 700 ° C. for at least 0.5 minutes and less than 20 minutes.
- Minder-free glass fiber means a glass fiber that is not treated with an organic binder such as a phenolic resin, and does not use any organic binder so that outgassing does not occur in vacuum.
- the binderless glass fiber according to the present invention is preferably arranged to be constant in the direction perpendicular to the heat transfer direction to minimize the heat conduction by the fiber.
- an annealing treatment process different from the conventional glass fiber manufacturing method is applied.
- the annealing furnace used in the annealing treatment process of the present invention is preferably an annealing furnace in the form of a hot air passing belt.
- the annealing treatment according to the present invention allows the basic wool to pass through a furnace in the form of a hot air passing type belt to thermal expansion and to orient the glass fibers in a horizontal direction to improve thermal insulation performance, and to completely remove organic matter and moisture, thereby eliminating the additional drying process. Quality and productivity can be secured.
- the thickness and density of the binderless glass fibers can be easily adjusted.
- the belt has a hole with a certain porosity, and the air of 300-700 ° C. heats the glass fiber through the pores.
- the annealing treatment time is preferably 0.5 minutes or more and less than 20 minutes.
- the annealing furnace can be used to control the thickness and density of the core material by adjusting the annealing treatment time, temperature and belt height.
- the unit weight of the binderless glass fiber product is preferably 0.6 to 2.0 Kg / m 2.
- 0.6 ⁇ 2.0 Kg / m2 stage being binder-free glass fiber is because in a high vacuum of 10 -4 Torr or less can have the most suitable thickness of the density of 5 ⁇ 50 mm and 150 ⁇ 400 Kg / m 3 range as a vacuum heat insulating material of to be.
- vacuum insulation is manufactured from a binder-free glass fiber having a weight of less than 0.1 Kg / m 2, the thickness and density are less than 5 mm and 150 Kg / m 3 , respectively, and thus there is a problem in handling because external deformation occurs easily even with a small force.
- the optimum weight for maintaining the appearance form of the vacuum insulation product and the appropriate weight / unit price is 0.6 to 2.0 Kg / m 2.
- the binderless glass fiber which concerns on this invention, it is preferable to use that whose average fiber diameter is 7 micrometers or less, and it is more preferable to use what is 3-5 micrometers.
- the thicker the fiber diameter the higher the thermal conductivity value and the easier the fiber is to be broken.
- the fiber diameter of 3 ⁇ 5 ⁇ m can be considered as the optimal condition considering the thermal conductivity and productivity of glass fiber.
- the use of a glass fiber of 3 ⁇ 5 ⁇ m fiber diameter increases the voids in the final core material, thereby achieving a lighter weight of the product.
- the annealing treatment is one or two or more layers of binder-free glass fibers, preferably 2 to 2 in consideration of performance and productivity It can be carried out after laminating in three layers.
- the number of layers can be produced according to the thickness of the final target product, thereby increasing production efficiency.
- the breathable sealing member for sealing the glass fiber according to the present invention can be used that is commonly used in the vacuum insulator, it is not particularly limited.
- the breathable sealing member of the present invention comprises: a first outer layer selected from the group consisting of an inorganic oxide deposited polyethylene terephthalate (PET) layer, a nylon layer and a deposited oriented polypropylene (OPP) layer; A second outer layer selected from the group consisting of an inorganic oxide deposited PET layer, a nylon layer and a deposited OPP layer; Aluminum foil layer; And it can be used a film of a multi-layer structure comprising a polyethylene heat sealing layer in order.
- PET polyethylene terephthalate
- OPP deposited oriented polypropylene
- the inorganic oxide deposited PET layer (hereinafter referred to as 'GL-PET') which can be used as the first and / or second outer layer improves the durability of the encapsulation member itself and at the same time by the inorganic oxide deposition.
- the oxygen permeability of the encapsulation member is further lowered, and the moisture resistance performance of the polyethylene terephthalate can further lower the moisture permeability of the encapsulation member, thereby compensating the blocking performance of the aluminum foil layer described later.
- Such GL-PET can be obtained by depositing an inorganic oxide such as aluminum oxide (AlO x ) on polyethylene terephthalate (PET).
- the inorganic oxide deposition surface of the GL-PET layer is bonded in a direction in contact with the other layer.
- the thickness of the GL-PET layer is preferably 10 to 15 ⁇ m when used as the first outer layer, and preferably 10 to 30 ⁇ m when used as the second outer layer. If the thickness of the GL-PET layer is too thin, there may be a problem that the blocking performance is deteriorated, on the contrary, if the thickness is too thick, there is a problem of lowering the handleability and increase in unit cost.
- the nylon layer usable as the first and / or second outer layer improves the durability, abrasion resistance, flexibility, etc. of the encapsulation member to prevent pinholes due to impact from the outside during fabrication or use of the vacuum insulation material.
- the damage of the aluminum foil layer which will be described later, during the handling of the sealing member and the secondary processing (folding, bending, bonding, etc.) to maintain airtightness, and also improve the moisture barrier property of the sealing member. Let's do it.
- the thickness of the nylon layer is preferably 10 to 30 m when used as the first outer layer, and preferably 15 to 30 m when used as the second outer layer. If the thickness of the nylon layer is too thin, there is a high probability of falling flexibility and pinholes, on the contrary, if the thickness is too thick, there may be a problem of handleability and cost increase due to the thickening of the vacuum insulation jacket itself.
- the deposited OPP (oriented polypropylene) layer usable as the first and / or second outer layer has excellent moisture resistance by making polypropylene stretched uniaxially or biaxially.
- the thickness of a vapor deposition OPP layer is 10-30 micrometers. If the thickness of the deposited OPP layer is too thin or the moisture proof performance is poor, and the thickness is thick, the vacuum insulation jacket itself becomes thick, which causes problems in handling and cost increase.
- the encapsulation member of the present invention comprises an aluminum foil layer as a barrier layer.
- an aluminum foil layer 5-10 micrometers is preferable and 7-9 micrometers is more preferable.
- the thickness of the aluminum foil layer is less than 5 ⁇ m, there may be a problem of deterioration in blocking performance and an increase in the number of pinholes. If the thickness of the aluminum foil layer is greater than 10 ⁇ m, handling problems, an increase in unit cost, and thermal bridges may occur.
- the sealing member of the present invention includes a polyethylene layer as the heat sealing layer.
- Polyethylenes usable include linear low density polyethylene (LLDPE) or metallocene polyethylene (MPE).
- LLDPE linear low density polyethylene
- MPE metallocene polyethylene
- thickness of a polyethylene heat sealing layer 40-60 micrometers is preferable and 45-55 micrometers is more preferable. If the thickness of the polyethylene heat seal layer is less than 40 ⁇ m, the heat-sealing strength is lowered. If it exceeds 60 ⁇ m, there may be a problem in handling.
- the gas adsorbent used in the present invention is located in the vacuum insulator and adsorbs gas and moisture from outside according to changes over time, and maintains the internal vacuum degree of quicklime (CaO), or zirconium, manganese, titanium, barium, iron, A mixture of metal powder and quicklime selected from cobalt, aluminum, nickel and chromium is used. For example, you can use a combo getter from SAES Getters.
- the vacuum insulator of the present invention can be produced by inserting annealing-free binder glass fibers as a core material together with a gas adsorbent into the sealing member described above.
- the thickness of the vacuum insulator of the present invention is 5 ⁇ 50 mm
- the final density has a range of 150 ⁇ 400 kg / m3. More preferably has a density of 200 ⁇ 300 kg / m3. If the density is out of the range does not satisfy the final thickness of 5 ⁇ 50 mm, there is a difficulty in the application, it can not satisfy the thermal insulation performance.
- the thermal insulation of the vacuum heat insulating material of this invention is 0.0020 W / mK or less, Preferably it is the range of 0.0016-0.0018 W / mK. This thermal conductivity is a preferred range for the expression of adiabatic performance.
- the present invention does not add a binder to the existing glass fiber, there is no organic matter in the glass fiber, so that outgassing does not occur during vacuum, thereby maintaining the vacuum degree for a long time.
- the annealing method maintains the maximum thermal insulation performance of the fiber without deforming the shape of the fiber, there is a big advantage that can be continuously produced with a small volume change of the heat insulating material as a result of the annealing treatment.
- the binder-free glass fibers are dispersed in alcohol and then stirred using a magnetic bar. Among them, some of the glass fibers dispersed in the dropper are taken to dry the alcohol. At this time, when taking the fiber with the eyedropper to give a representative of the fiber diameter, evenly collect the fiber from several places.
- the dried fiber was dropped on a glass plate for optical microscopy, and a drop of a mounting media solution was evenly dispersed, and about 1 cc of fiber was evenly dispersed. A cover slip was fixed with a thickness of 0.1 mm, and the sealing solution was dried. Fix the fibers.
- the fiber diameter measurement of the glass fiber is measured at least 800 or more at 1000 times magnification using an optical microscope (Olympus company model name: BX51).
- the average fiber diameter is calculated using the Probabilistic Method. The formula is as follows.
- Di means the diameter of the fiber
- Li means the fiber length.
- the average fiber diameter of the measured glass fibers is shown in Table 1.
- the thermal conductivity of the vacuum insulation material manufactured by needling or annealing the glass fiber and using it as a core material was measured according to the standards of KS L 9016, ASTM C 518, ISO 8301 using HC-074 instrument of EKO.
- HC-074 measures the thermal conductivity of a material by using a heat flow meter method. The measuring principle is to obtain a material between a high temperature and a low temperature plate through a heat flow sensor. The calculation is as follows.
- ⁇ thermal conductivity
- Qh the amount of heat flow on the hot plate side
- QC the amount of heat flow on the low temperature plate side
- L is the thickness of the sample
- ⁇ T the temperature difference between the high temperature and the low temperature.
- Each plate of this thermal conductor has a very high precision by directly controlling a heating / cooling element of a semiconductor by a high sensitivity heat sensor.
- the thermal conductivity measurement results of the vacuum insulation material using the measuring device are shown in Table 1.
- the density of the glass fiber is cut to a size of 1.0 m 2 or more to measure the width, length and thickness to obtain the volume, and the weight is calculated according to the following equation.
- the glass melt of the soda-lime-based composition was introduced into a spinner rotating at a high speed to form glass fibers through compressed air and flame spraying at the time when the glass passes through the hole.
- Glass fibers were laminated in a wool form at the collector, and first compressed in the thickness direction through a rolling process.
- the wool was put in an annealing furnace instead of an organic binder and pressed and molded at high temperature and high pressure.
- the binderless glass fiber of the average fiber diameter of 4.8 micrometers was produced, without using an organic binder as mentioned above.
- the binder-free glass fibers thus prepared were laminated in one layer to perform annealing treatment.
- the annealing treatment was performed at 600 degreeC for 5 minutes.
- the glass fiber which completed annealing treatment was dried at 110 degreeC for 1 hour.
- the dried glass fibers were placed in the breathable sealing member of the multilayer film and treated with a high vacuum of 10 ⁇ 4 Torr to prepare a vacuum insulator.
- a vacuum insulation material was prepared in the same manner as in Example 1 except that the glass fibers were laminated in two layers.
- a vacuum insulation material was prepared in the same manner as in Example 1 except that the glass fibers were laminated in four layers.
- a vacuum insulator was prepared in the same manner as in Example 2 except that the annealing time was performed for 0.5 minutes.
- a vacuum insulator was prepared in the same manner as in Example 2 except that the annealing time was performed for 1 minute.
- a vacuum insulation material was prepared in the same manner as in Example 2 except that the annealing time was performed for 3 minutes.
- a vacuum insulator was prepared in the same manner as in Example 2 except that the annealing temperature was 300 ° C. and the annealing time was performed for 10 minutes.
- a vacuum insulator was prepared in the same manner as in Example 2 except that the annealing temperature was 300 ° C. and the annealing time was performed for 20 minutes.
- a vacuum insulator was prepared in the same manner as in Example 5 except that the annealing temperature was set at 700 ° C.
- a vacuum insulator was prepared in the same manner as in Example 5 except that the annealing temperature was set at 550 ° C.
- a vacuum insulation material was prepared in the same manner as in Example 1 except that the average fiber diameter of the glass fiber was 8.8 ⁇ m.
- the annealing treatment temperature and time are important factors in manufacturing the binderless glass fiber core material.
- the annealing time was confirmed that a better result obtained when performed for 2 to 10 minutes. The longer the annealing time, the lower the productivity.
- the annealing treatment was performed at 550 to 650 ° C. for 0.5 to 5 minutes, the performance was best realized and the productivity was improved.
- the vacuum insulator (Comparative Example 6) using the binder-free needled core material has better thermal insulation performance than the vacuum insulator (Comparative Example 7) using the organic binder needled core material. It can be seen that the thermal insulation performance of the used vacuum insulation material (Examples 1 to 10) is more excellent.
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Abstract
Description
구분 | 실시예 | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
밀도 | 270 | 270 | 270 | 270 | 270 | 270 | 270 | 270 | 270 | 270 |
유리 섬유의 평균 섬유경 (㎛) | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
어닐링 처리 온도 (℃) | 600 | 600 | 600 | 600 | 600 | 600 | 300 | 300 | 700 | 550 |
어닐링 처리 시간 (분) | 5 | 5 | 5 | 0.5 | 1 | 3 | 10 | 20 | 1 | 1 |
심재 적층 수 (ply) | 1 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
어닐링 제품 외관 상태 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
진공단열재열전도율(W/mㆍK) | 0.00173 | 0.00191 | 0.00197 | 0.00185 | 0.00174 | 0.00188 | 0.00191 | 0.00189 | 0.00183 | 0.00184 |
구분 | 비교예 | ||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | |
밀도 | 310 | 270 | 270 | 270 | 270 | 270 | 270 |
유리 섬유의 평균 섬유경 (㎛) | 8.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
어닐링 처리 온도 (℃) | 600 | 200 | 800 | 600 | 600 | 니들링 | 니들링 |
어닐링 처리 시간 (분) | 5 | 5 | 5 | 0.25 | 25 | 니들링 | 니들링 |
심재 적층 수 (ply) | 1 | 1 | 1 | 1 | 1 | 니들링 | 니들링 |
어닐링 제품 외관 상태 | 양호 | 불량 | 불량 | 불량 | 불량 | 니들링 | 니들링 |
진공단열재 열전도율 (W/mㆍK) | 0.00205 | 0.00213 | 0.00209 | 0.00227 | 0.00215 | 0.00271 | 0.00337 |
Claims (8)
- 심재인 유리섬유, 진공 단열재 내부의 수분 및 가스 흡착을 위한 가스 흡착제 및 유리섬유를 봉지하기 위한 내통기성 봉지 부재를 포함하는 진공 단열재에 있어서,상기 유리섬유는 어닐링 처리된 무바인더 유리섬유이고,상기 어닐링 처리는 무바인더 유리섬유를 300~700℃의 온도의 어닐링 퍼니스를 이용하여 0.5분 이상 20분 미만으로 처리하는 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,상기 무바인더 유리섬유는 평균 섬유경이 7 ㎛ 이하인 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,상기 어닐링 퍼니스는 열풍 통과형 벨트 형식의 어닐링 퍼니스인 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,상기 어닐링 처리는 무바인더 유리섬유를 1층 또는 2층 이상으로 적층한 후 수행하는 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,상기 내통기성 봉지 부재는,무기산화물 증착 폴리에틸렌테레프탈레이트(PET)층, 나일론층 및 증착 배향된 폴리프로필렌(OPP)층으로 이루어지는 군으로부터 선택되는 제1 외부층;무기산화물 증착 PET층, 나일론층 및 증착 OPP층으로 이루어지는 군으로부터 선택되는 제2 외부층;알루미늄 호일층; 및폴리에틸렌 열융착층을 순서대로 포함하는 다층구조의 필름인 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,상기 가스 흡착제는 생석회; 또는지르코늄, 망간, 티타늄, 바륨, 철, 코발트, 알루미늄, 니켈 및 크롬으로부터 선택되는 금속 분말과 생석회의 혼합물인 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,열전도율이 0.0020 W/mK 이하인 것을 특징으로 하는 진공 단열재.
- 제1항에 있어서,두께가 5~50 ㎜이며, 최종 밀도가 150~400 kg/㎥의 범위인 것을 특징으로 하는 진공 단열재.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/413,812 US9523460B2 (en) | 2012-07-12 | 2013-07-12 | Vacuum insulation panel including annealed binderless glass fiber |
EP13816557.6A EP2873902B1 (en) | 2012-07-12 | 2013-07-12 | Vacuum insulation panel including annealed binderless glass fiber |
CN201380037130.6A CN104487755B (zh) | 2012-07-12 | 2013-07-12 | 包含退火处理的无粘结剂玻璃纤维的真空隔热材料 |
KR1020157000593A KR101657989B1 (ko) | 2012-07-12 | 2013-07-12 | 어닐링 처리된 무바인더 유리섬유를 포함하는 진공 단열재 |
JP2015521551A JP6014759B2 (ja) | 2012-07-12 | 2013-07-12 | アニール処理されたバインダレスガラス繊維を含む真空断熱材 |
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PCT/KR2013/006258 WO2014010983A1 (ko) | 2012-07-12 | 2013-07-12 | 어닐링 처리된 무바인더 유리섬유를 포함하는 진공 단열재 |
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US (1) | US9523460B2 (ko) |
EP (1) | EP2873902B1 (ko) |
JP (1) | JP6014759B2 (ko) |
KR (1) | KR101657989B1 (ko) |
CN (1) | CN104487755B (ko) |
WO (1) | WO2014010983A1 (ko) |
Cited By (2)
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CN104132220A (zh) * | 2014-08-18 | 2014-11-05 | 李载润 | 一种活性吸附剂的真空绝热板及其制作方法 |
CN105627036A (zh) * | 2014-11-21 | 2016-06-01 | 株式会社东芝 | 真空隔热板以及使用了真空隔热板的冰箱 |
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KR101525297B1 (ko) * | 2013-01-16 | 2015-06-02 | (주)엘지하우시스 | 유리섬유를 포함하는 진공단열재용 심재, 그 제조방법 및 이를 이용한 진공단열재 |
JP6359206B1 (ja) * | 2016-11-10 | 2018-07-18 | 三菱電機株式会社 | 真空断熱材、真空断熱材の製造方法、及び真空断熱材の製造装置 |
US20180266169A1 (en) | 2017-03-14 | 2018-09-20 | Biofilm Ip, Llc | Garage door systems and methods |
WO2018170018A1 (en) | 2017-03-14 | 2018-09-20 | Biofilm Ip, Llc | Garage door systems and methods |
US11813833B2 (en) | 2019-12-09 | 2023-11-14 | Owens Corning Intellectual Capital, Llc | Fiberglass insulation product |
GB2607097A (en) * | 2021-05-28 | 2022-11-30 | Knauf Insulation | Mineral wool insulation |
MX2023013314A (es) * | 2021-06-04 | 2023-12-06 | Owens Corning Intellectual Capital Llc | Producto aislante de fibra fina. |
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Also Published As
Publication number | Publication date |
---|---|
JP6014759B2 (ja) | 2016-10-25 |
CN104487755A (zh) | 2015-04-01 |
JP2015524901A (ja) | 2015-08-27 |
US9523460B2 (en) | 2016-12-20 |
EP2873902A4 (en) | 2016-02-24 |
KR20150039196A (ko) | 2015-04-09 |
EP2873902B1 (en) | 2017-09-27 |
US20150192239A1 (en) | 2015-07-09 |
EP2873902A1 (en) | 2015-05-20 |
KR101657989B1 (ko) | 2016-09-21 |
CN104487755B (zh) | 2017-03-08 |
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