WO2012115400A2 - 이너백을 포함하는 진공단열재 및 이를 제조하는 방법 - Google Patents
이너백을 포함하는 진공단열재 및 이를 제조하는 방법 Download PDFInfo
- Publication number
- WO2012115400A2 WO2012115400A2 PCT/KR2012/001234 KR2012001234W WO2012115400A2 WO 2012115400 A2 WO2012115400 A2 WO 2012115400A2 KR 2012001234 W KR2012001234 W KR 2012001234W WO 2012115400 A2 WO2012115400 A2 WO 2012115400A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner bag
- vacuum
- vacuum insulation
- core material
- manufacturing
- Prior art date
Links
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Images
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
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/026—Mattresses, mats, blankets or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
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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
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- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
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- F25D2201/14—Insulation with respect to heat using subatmospheric pressure
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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
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- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
- Y10T428/1338—Elemental metal containing
Definitions
- the present invention relates to a vacuum insulator including an inner bag and a method of manufacturing the same, by first compressing the vacuum insulator into an inner bag formed of a breathable film on the surface of the core, thereby easily performing a process of compressing and drying the core. It's about technology that makes it possible.
- the vacuum insulation panel (Vacuum Insulation Panel) is a sealing material made of a composite plastic laminate film having excellent gas barrier properties as a core material, and a continuous bubble rigid plastic foam or an inorganic material is stored therein, and the pressure is reduced in the interior. It manufactures by heat-sealing the laminated
- the vacuum insulator passes through the outer encapsulation material, air or moisture permeates, or carbon dioxide or organic gas is generated therein, the vacuum degree gradually decreases with time, and accordingly, the thermal conductivity becomes high, resulting in high thermal insulation. There is a problem that can not be maintained.
- the vacuum insulation material according to the prior art used a glass board made of a core material mainly by a wet process, and a material in which glass fiber was mixed with an organic binder.
- glass wool has excellent initial thermal performance when it is made of a vacuum insulation material, and is widely applied to reduce power consumption of home appliances such as refrigerators.
- the glass wool is to be made of 8mm thick vacuum insulation material, the glass wool should be at least 80mm thick.
- the first method is a method of compressing after heating up to the glass deformation temperature, the temperature must be raised to 500 °C or more requires a separate high temperature drying oven facility, there is a disadvantage that excessive utility costs.
- the second method is a method of inducing and compressing bonds between fibers by using a binder, but the compression may be well, but there is a problem that the thermal performance of the vacuum insulation material is lowered by the binder.
- the first of the two methods is due to the deformation of the glass wool
- the second method has a problem that it is impossible to recycle the glass wool by using a binder.
- the fibers of the glass wool come into contact with the inner film layer of the outer material, resulting in damage to the outer material and thus, the performance of the vacuum insulation material. There is always a problem that adversely affects.
- the present invention is manufactured by drying a pure glass wool is not immersed in a binder, but provides a core material having excellent heat insulating properties while showing a mass processing easy to mass-produce using a vacuum chamber, and coated with a vinyl-based resin It is an object of the present invention to provide a vacuum insulation material manufacturing method that can improve gas barrier properties and barrier properties by using an outer shell material, and maximize moisture absorption by using a getter material of lime powder.
- the vacuum insulation material according to an embodiment of the present invention is an inner bag of a breathable film material for compressing and wrapping the surface of the core material, and the outer packaging material vacuum-packed on the inner bag, and inserted between the core material and the inner bag. Or, a getter inserted between the inner bag and the envelope.
- the inner bag is made of one or more of polypropylene (PP), polyester (PET) and polyethylene (PE), characterized in that the breathable film having a fine hole.
- PP polypropylene
- PET polyester
- PE polyethylene
- Vacuum insulating material manufacturing method comprises the steps of manufacturing a core material, compressing and wrapping the entire surface of the core material with an inner bag (Inner bag) of a breathable film material, and a getter (top) on the inner bag It characterized in that it comprises a step of disposing a getter) and vacuum-packing the outer shell material on the inner bag.
- the vacuum insulation material manufacturing method comprises the steps of manufacturing a core material, inserting a getter into the core material, the inner bag of the breathable film material on the entire surface of the core material including the getter ( Compressing the inner bag into an inner bag and vacuum packing the outer shell material on the inner bag.
- the core material manufacturing method for a vacuum insulation material according to the present invention is manufactured using glass wool having excellent initial thermal conductivity, but by using an inner bag of a breathable material without using an inorganic binder solution.
- the manufacturing process can be simplified.
- the present invention prevents the deformation of the glass wool by the binder and thus provides an effect of recycling the glass wool.
- FIG. 1 is a flowchart illustrating a method of manufacturing a vacuum insulator including an inner bag.
- FIG. 2 is a cross-sectional view showing a vacuum insulating material including an inner bag according to an embodiment of the present invention.
- FIG 3 is a cross-sectional view showing a vacuum insulating material including an inner bag according to another embodiment of the present invention.
- the present invention is characterized by the optimization of the outer shell material and the getter (Getter) as well as the core material in order to produce a long-term excellent vacuum insulation material.
- the core material manufacturing method for a vacuum insulation material first, by using an inner bag formed of a glass wool (Glass Wool) made of a breathable film material, the first compression packaging and then drying the glass wool.
- Glass Wool Glass Wool
- an outer cover material having a laminated structure of the surface protective layer, the metal barrier layer and the adhesive layer is formed.
- the quicklime (CaO) powder is then packaged in a pouch to form a getter.
- the getter is attached to the upper portion of the inner bag, or a getter is inserted between the core material and the inner bag, the encapsulation body is formed by using the envelope material, and the inner core including the inner bag is enclosed in the encapsulation body and vacuumed. Seal in the state to complete the vacuum insulator.
- upper means the outer surface of the material. Therefore, in the present invention, the expression "lower” is not actually below, but may be used as a term meaning the inside of the inner bag or the inside of the outer cover material. In summary, in the present invention, the upper part may be used in the same sense as the outside, and the lower part is not always limited thereto.
- FIG. 1 is a flowchart illustrating a method of manufacturing a vacuum insulator including an inner bag.
- a glass wool S100 having a shape of a core material to be formed is schematically provided.
- Glass wool is an example of glass wool, and glass wool fabric having a thickness of 80 to 100 mm is used, and two or more sheets may be laminated as necessary.
- the vacuum insulating material can be used to cut the glass wool fabric in the form of a square, circle, and the like.
- a breathable film material is disposed on the upper and lower surfaces of the glass wool, compressed up and down using a plate, and then all edges of the glass wool are sealed to cover the glass wool core material. Perform the step (S110) to complete the inner bag.
- the inner bag is made of one or more of polypropylene (PP), polyester (PET) and polyethylene (PE), it is preferable to use a breathable film having a micro-hole that is not non-breathable.
- PP polypropylene
- PET polyester
- PE polyethylene
- the inner bag is used as a non-breathable film, since the gas or moisture in the glass wool cannot be taken out to the outside during the vacuum exhaust for manufacturing the vacuum insulation material, the non-breathable film is inserted into the outer cover material before being evacuated and evacuated.
- the disadvantage is the addition of a process that requires the tearing of the film.
- an inner bag of a breathable film material must be used, and the drying process is performed after the primary compression packaging so that the thickness of the glass wool is 20 to 40 mm.
- Particle diameters of the fine holes of the breathable film may be formed in the range of 0.001 ⁇ 10 ⁇ m, preferably may be formed in the range of 0.1 ⁇ 10 ⁇ m.
- the particle diameter of the micro holes is formed to be less than 0.1 ⁇ m, defective products may occur in the manufacturing process of the vacuum insulation material because gas or moisture to be escaped to the micro holes may not be sufficiently released when the vacuum insulation material is manufactured.
- the particle diameter of the micro holes is formed to exceed 10 ⁇ m, not only gas or moisture, but also fibers may form a core material to escape between the micro holes. Therefore, it is most efficient to manufacture a vacuum insulation material using a breathable film formed in the range of 0.1-10 micrometers of particle diameters.
- the area of the fine holes formed in the breathable film is preferably formed to 30 to 90% of the total area of the breathable film. If the area of the microholes is less than 30% of the total area of the breathable film, the gas or moisture may not sufficiently escape when the vacuum insulation is manufactured. On the contrary, when the area of the micro holes exceeds 90% of the total area of the breathable film, a problem may occur in that the breathable film is torn in the process of wrapping the core material. Therefore, the micro holes are formed in 30 to 90% of the total area of the breathable film is the most efficient for the production of the vacuum insulation.
- the glass wool drying process is preferably performed for 1 to 2 hours at a temperature of 110 ⁇ 130 °C.
- Such a drying method has a lower heating temperature than the conventional thermocompression method, thereby saving energy, and also can save power required for pressing, thereby allowing the core material manufacturing process to be performed more efficiently.
- the outer shell material is a vacuum encapsulation body, and the specific shape and manufacturing method of the outer shell material will be described below.
- the outer cover material is first formed of a metal barrier layer and a surface protective layer formed sequentially on the adhesive layer.
- the adhesive layer is a layer formed inside the encapsulation material, and the surface protection layer may be defined as a layer exposed at the outermost part.
- the adhesive layer performs a function of maintaining a vacuum state as a layer that is thermally welded to each other by heat sealing. Therefore, the adhesive layer is made of high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), unstretched polypropylene (CPP), stretched polypropylene (OPP), polyvinylidene chloride (PVDC), which is easy to thermally weld.
- HDPE high density polyethylene
- LDPE low density polyethylene
- LLDPE linear low density polyethylene
- CPP unstretched polypropylene
- OPP stretched polypropylene
- PVDC polyvinylidene chloride
- PVDC polyvinylidene chloride
- PVDC polyvinylidene chloride
- a metal thin film having a thickness of 6 to 12 ⁇ m is formed on the adhesive layer as a barrier layer for gas blocking and core material protection.
- Al foil (Foil) metal barrier layer is most used, and since the thin film having a superior property than Al foil is not clearly found, Al foil is also used in the present invention.
- Al may be a metal material, so there may be a problem such as cracking when folded.
- the surface protection layer is formed on the metal barrier layer.
- the surface protective layer of the outer cover material according to the present invention is preferably formed of a laminated structure of 10 to 20 ⁇ m thick polyethylene terephthalate film (PET) and 10 to 30 ⁇ m thick nylon (Nylon) film.
- PET polyethylene terephthalate film
- Nylon nylon
- the surface protective layer of the outer cover material according to the present invention can see the laminated structure of the polyethylene terephthalate layer and the vinyl resin layer to be the outermost film.
- the vinyl resin layer is made of at least one selected from polyvinyl chloride (PVC), polyvinyl acetate (PVA), polyvinyl alcohol (PVAL), polyvinyl phthalal (PVB), and polyvinylidene chloride (PVDC) resin. It is preferable to use vinyl resin.
- the surface protective layer, the metal barrier layer and the adhesive layer are preferably bonded to each other using a polyurethane (PU) -based resin.
- PU polyurethane
- the vacuum insulating pad according to the present invention can have the best airtightness and long-term durability performance.
- a flame retardant coating layer in the form of a film to which a flame retardant is added may be further formed on the surface protective layer of the shell material.
- the flame retardant is not particularly limited as long as the material is imparted with flame retardancy, but preferably one or more materials selected from non-halogen type phosphorus compounds, nitrogen compounds, aluminum hydroxide, and antimony trioxide may be used.
- the nitrogen compound is a generic term for flame retardants such as melamine, urea, amine, amide, and the like
- the phosphorus compound is a generic term for phosphorus flame retardants such as phosphorus and phosphate esters.
- the synergistic effect of flame retardant performance can be obtained by mixing the nitrogen compound and the phosphorus compound.
- aluminum hydroxide is preferred as a flame retardant used in the present invention because it is less corrosive, excellent electrical insulation and economical advantage, antimony trioxide has a great advantage of synergistic effect when used simultaneously with other flame retardants.
- the flame retardant coating layer may be formed by coating the surface of the surface protective layer with a coating composition consisting of 10 to 90% by weight of the flame retardant and 10 to 90% by weight of a polymer resin and an organic solvent.
- a coating composition consisting of 10 to 90% by weight of the flame retardant and 10 to 90% by weight of a polymer resin and an organic solvent.
- it may be preferably formed by coating on top of the surface protective layer using a coating composition of 5 to 50% by weight of the phosphorus compound, 5 to 50% by weight of the nitrogen compound and 40 to 90% by weight of the polymer resin and the organic solvent. have.
- the phosphorus compound is added in less than 5% by weight, or when the nitrogen compound is added in less than 5% by weight, it is difficult to secure sufficient flame retardancy.
- the phosphorus compound when added in excess of 50% by weight or the nitrogen compound is added in excess of 50% by weight, the content of other materials other than the flame retardant component may be reduced, thus making it difficult to form the flame retardant coating layer.
- the polymer resin and the organic solvent are preferably added in an amount of 40 to 90% by weight, and when added in an amount of less than 40% by weight, difficulty in forming a flame retardant coating layer may be obtained. It is difficult.
- the polymer resin may be a polymer resin such as polyester or polyurethane, and the organic solvent may be used without limitation as long as it is an organic solvent used in a general coating composition.
- the getter is used in the present invention, and the getter is inserted into the core material or disposed between the inner bag and the shell material. It may be.
- FIG. 2 is a cross-sectional view showing a vacuum insulating material including an inner bag according to an embodiment of the present invention.
- FIG 2 shows a getter 120 included in the core material 110 of the vacuum insulation material 100 according to the present invention.
- the inner bag 130 of the breathable film material is wrapped on the surface of the core material 110, the outer bag 130 has a form in which the outer cover material 140 is wrapped.
- the getter uses quicklime (CaO) contained in the pouch.
- the pouch is formed of wrinkled paper and polypropylene (PP) impregnated nonwoven fabric to ensure 25% or more moisture absorption performance.
- the thickness of the getter is preferably formed within 2 mm.
- FIG 3 is a cross-sectional view showing a vacuum insulating material including an inner bag according to another embodiment of the present invention.
- the getter 220 is inserted between the inner bag 230 and the envelope 240.
- Glass Wool Glass Wool having an average diameter of 3 ⁇ 7 ⁇ m.
- the reduction ratio of the core material is less than 50%, the thickness of the core material is so thick that the problem of the above-described drying equipment or handling problem occurs. On the contrary, when the reduction ratio of the core material exceeds 80%, the core material is too thin, resulting in a decrease in the performance of the vacuum insulator.
- the core material may vary the planar shape of the flat board, or may form a node for bending in the middle in the form of a groove.
- the thermal conductivity is not a fixed value, and a vacuum insulation material sample was formed to have a thickness of 10 ⁇ 200 ⁇ 200 mm (thickness ⁇ width ⁇ length), and the result was measured using HC-074-200, an Eko company equipment. Therefore, the thermal conductivity may vary depending on the size of the sample and the laminated structure.
- the degree of vacuum inside the vacuum envelope is preferably 0.1 to 10 Pa. If the vacuum degree is less than 0.1 Pa, the production efficiency is lowered, and if the vacuum degree exceeds 10 Pa, the initial thermal performance and long-term durability may be lowered.
- the vacuum insulators prepared as described above exhibited excellent long-term durability, and the specific examples are as follows.
- an inner bag was formed using a glass wool type core material described with reference to FIGS. 2 and 3 and using a PP nonwoven fabric of 18 g / m 2.
- PVDC polyvinylidene chloride
- PET polyethylene terephthalate film
- nylon nylon
- Al foil 6 ⁇ m linear low density polyethylene (LLDPE) film 50 ⁇ m
- the core material was inserted into the outer shell material and then sealed in a vacuum state of 4 Pa to prepare a vacuum insulation material according to the present invention.
- the total size was prepared to be 10 ⁇ 600 ⁇ 600 mm (thickness ⁇ width ⁇ length), and the results of measuring the thermal conductivity using HC-074-600, Eko Co., Ltd. equipment is shown in Table 1 below.
- Example 2 All the same conditions as in Example 1 to prepare a vacuum insulating material, using an 18g / m2 PET nonwoven fabric to form an inner bag.
- Example 2 All the same conditions as in Example 1 to prepare a vacuum insulating material, 40g / m2 using a PE breathable film to form an inner bag.
- Example 2 The same conditions as in Example 1 were used, and the inner bag was a polyethylene non-breathable film.
- Glass wool was used as a vacuum insulator after preparing a core material of 10 ⁇ 600 ⁇ 600 mm (thickness ⁇ width ⁇ length) by a wet method using an inorganic binder.
- the inner bag was not used, and the outer cover material and the getter were used in the same manner as in Example 1, and the sealing method was also performed in the same manner to prepare a vacuum insulation material.
- the thermal conductivity of the vacuum insulator according to the present invention is less than 2.0 mW / mK.
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Abstract
Description
Claims (13)
- 심재의 표면을 1차적으로 압축 포장하는 통기성 필름 소재의 이너백;상기 이너백 상부에 진공 포장되는 외피재; 및상기 심재 및 상기 이너백 사이에 삽입되거나, 상기 이너백 및 상기 외피재 사이에 삽입되는 게터(Getter)를 포함하는 것을 특징으로 하는 진공단열재.
- 제1항에 있어서,상기 이너백은폴리프로필렌(PP), 폴리에스테르(PET) 및 폴리에틸렌(PE) 중 하나 이상으로 제조되며, 미세홀을 갖는 통기성 필름인 것을 특징으로 하는 진공단열재.
- 제1항에 있어서,상기 이너백은0.1 ~ 10 ㎛의 입경을 갖는 미세홀이 형성된 통기성 필름인 것을 특징으로 하는 진공단열재.
- 제1항에 있어서,상기 심재는20 ~ 40mm의 두께를 갖는 것을 특징으로 하는 진공단열재.
- 제4항에 있어서,상기 심재는2.0 mW/mK 이하의 열전도율을 갖는 것을 특징으로 하는 진공단열재.
- 제1항에 있어서,상기 외피재는표면 보호층, 금속 배리어층 및 접착층으로 적층된 구조를 포함하는 것을 특징으로 하는 진공단열재.
- 제6항에 있어서,상기 금속 배리어층은Al 호일(Foil)을 포함하는 것을 특징으로 하는 진공단열재.
- 제1항에 있어서,상기 게터는순도 95%이상의 생석회(CaO) 분말을 포함하는 것을 특징으로 하는 진공단열재.
- 심재를 제조하는 단계;상기 심재의 전체 표면을 통기성 필름 소재의 이너백(Inner bag)으로 압축 포장하는 단계;상기 이너백 상부에 게터(Getter)를 배치하는 단계; 및상기 이너백 상부에 외피재를 진공 포장하는 단계;를 포함하는 것을 특징으로 하는 진공단열재 제조 방법.
- 심재를 제조하는 단계;상기 심재에 게터를 삽입하는 단계;상기 게터를 포함하는 상기 심재의 전체 표면을 통기성 필름 소재의 이너백(Inner bag)으로 압축 포장하는 단계; 및상기 이너백 상부에 외피재를 진공 포장하는 단계;를 포함하는 것을 특징으로 하는 진공단열재 제조 방법.
- 제9항 또는 제10항에 있어서,상기 심재는평균직경이 3 ~ 7㎛인 글라스울(Glass Wool)을 이용하여 제조 하는 것을 특징으로 하는 진공단열재 제조 방법.
- 제9항 또는 제10항에 있어서,상기 압축 포장하는 단계에서상기 심재는 압하율 50 ~ 80%의 두께로 압축되는 것을 특징으로 하는 진공단열재 제조 방법.
- 제9항 또는 제10항에 있어서,상기 압축 포장하는 단계 이후에상기 심재를 110 ~ 130℃의 온도에서 1 ~ 2시간 동안 건조하는 단계;를 더 포함하는 것을 특징으로 하는 진공단열재 제조 방법.
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JP2013552470A JP2014505846A (ja) | 2011-02-21 | 2012-02-20 | インナーバッグを含む真空断熱材及びこれを製造する方法 |
US13/979,993 US9151435B2 (en) | 2011-02-21 | 2012-02-20 | Vacuum insulation material including an inner bag, and method for manufacturing same |
CN201280009794.7A CN103391844B (zh) | 2011-02-21 | 2012-02-20 | 包括内袋的真空绝缘材料及其制造方法 |
EP12748883.1A EP2679386B1 (en) | 2011-02-21 | 2012-02-20 | Vacuum insulation material including an inner bag, and method for manufacturing same |
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KR1020120015867A KR101417249B1 (ko) | 2011-02-21 | 2012-02-16 | 이너백을 포함하는 진공단열재 및 이를 제조하는 방법 |
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- 2012-02-16 KR KR1020120015867A patent/KR101417249B1/ko active IP Right Grant
- 2012-02-20 CN CN201280009794.7A patent/CN103391844B/zh active Active
- 2012-02-20 JP JP2013552470A patent/JP2014505846A/ja active Pending
- 2012-02-20 US US13/979,993 patent/US9151435B2/en active Active
- 2012-02-20 WO PCT/KR2012/001234 patent/WO2012115400A2/ko active Application Filing
- 2012-02-20 EP EP12748883.1A patent/EP2679386B1/en active Active
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JP2018087639A (ja) * | 2013-05-29 | 2018-06-07 | ヴァ−クー−テック アーゲー | フィルム被覆真空断熱パネル |
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Publication number | Publication date |
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KR101417249B1 (ko) | 2014-07-16 |
EP2679386B1 (en) | 2017-09-20 |
KR20120097326A (ko) | 2012-09-03 |
WO2012115400A3 (ko) | 2012-10-18 |
CN103391844A (zh) | 2013-11-13 |
EP2679386A2 (en) | 2014-01-01 |
JP2014505846A (ja) | 2014-03-06 |
CN103391844B (zh) | 2016-01-27 |
EP2679386A4 (en) | 2014-07-16 |
US9151435B2 (en) | 2015-10-06 |
US20130287978A1 (en) | 2013-10-31 |
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