WO2012023705A2 - 진공단열재용 복합심재, 그 제조방법 및 이를 이용한 진공단열재 - Google Patents
진공단열재용 복합심재, 그 제조방법 및 이를 이용한 진공단열재 Download PDFInfo
- Publication number
- WO2012023705A2 WO2012023705A2 PCT/KR2011/005145 KR2011005145W WO2012023705A2 WO 2012023705 A2 WO2012023705 A2 WO 2012023705A2 KR 2011005145 W KR2011005145 W KR 2011005145W WO 2012023705 A2 WO2012023705 A2 WO 2012023705A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass fiber
- core material
- vacuum insulation
- vacuum
- wool
- Prior art date
Links
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Images
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- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1027—Pressing using at least one press band
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1054—Regulating the dimensions of the laminate, e.g. by adjusting the nip or platen gap
-
- 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
- F25D2201/10—Insulation with respect to heat
- F25D2201/14—Insulation with respect to heat using subatmospheric pressure
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- 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
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
-
- 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
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/623—Microfiber is glass
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/699—Including particulate material other than strand or fiber material
Definitions
- the present invention relates to a vacuum heat insulating material, and more particularly, to a vacuum heat insulating material excellent in initial heat insulating performance and long-term durability by forming a core material of two or more composite materials of glass fiber wool and glass fiber board.
- Vacuum Insulation Panel is a gas-barrier film at the circumferential edge after receiving a continuous bubble rigid plastic foam or inorganic material as a core material in a bag made of a composite plastic laminate film having excellent gas barrier properties and depressurizing the inside. It is manufactured by heat-sealing the laminated part of each other.
- the inorganic material used for the vacuum insulator is preferably an inorganic compound having a low thermal conductivity and low gas generation.
- the vacuum insulator in which a laminate of glass fibers is used as the core material is known to have excellent heat insulating performance.
- glass fiber wool is used alone or glass fiber board is used alone as a core material.
- Glass fiber wool is manufactured through a thermocompression process by collecting bulky glass fibers, and using this as a core material, it is possible to secure a thermal conductivity of 0.0025 Kcal / mhr ° C. or less when manufacturing a vacuum insulation material.
- the long-term durability is excellent by minimizing the heat transfer of the gas due to the small pore diameter of the glass fiber board even when used for a long time, but the initial thermal conductivity is 0.0035 Kcal Levels below / mhr ° C. have high disadvantages compared to glass fiber wool.
- An object of the present invention to provide a core material excellent in both the initial heat insulation performance and long-term durability performance by using a core material for vacuum insulation material formed of a composite of glass fiber wool and glass fiber board composite.
- Another object of the present invention is a method of manufacturing a vacuum insulation material comprising a core material composited using a method selected from a method of laminating, thermocompression bonding, inorganic binder bonding, and needling processing of glass fiber wool and glass fiber boards. To provide that purpose.
- Composite core material for vacuum insulation material is a composite laminated structure of glass fiber wool and glass fiber board of 1 to 4 ⁇ m of average diameter of 4 ⁇ 6 ⁇ m glass fiber It is characterized in that it comprises at least one of fumed silica powder, silica powder, pearlite powder and airgel powder.
- Vacuum core composite composite material manufacturing method for achieving the above another object is formed of a composite of glass fiber wool and glass fiber board, wherein the composite of glass fiber wool and glass fiber is laminated And a method selected from a thermocompression bonding method, an inorganic binder bonding method, and a needling processing method.
- Vacuum insulator for achieving the above another object is characterized in that it comprises a core material formed of a composite of a glass fiber wool and a glass fiber board and the outer shell material for vacuum packaging the core material.
- the core material for vacuum insulator according to the present invention has an advantage that both the initial heat insulation performance and the long-term durability performance are excellent by applying a glass fiber board having excellent initial heat insulation performance and a glass fiber board having excellent long-term durability.
- the vacuum insulator according to the present invention has an excellent long-term durability performance of at least 10 years excellent heat insulation performance.
- 1 to 4 are cross-sectional views of the core material for vacuum insulation of the embodiments according to the present invention.
- FIG 5 is a cross-sectional view of the getter material included in the vacuum insulating material according to the embodiment of the present invention.
- FIGS. 6 and 7 are cross-sectional views of the outer cover material included in the vacuum insulating material according to an embodiment of the present invention.
- FIGS. 8 and 9 are cross-sectional views showing a vacuum insulating material according to an embodiment of the present invention.
- FIG 10 is a graph comparing and evaluating the thermal insulation performance of the vacuum insulation material according to the embodiment and the vacuum insulation material according to the comparative example.
- 1 to 4 are cross-sectional views of the core material for vacuum insulation according to the embodiment.
- a glass fiber wool 120 having a shape in which a core 100 to be formed is roughly provided is provided.
- the core material 100 formed of a composite of the glass fiber wool 120 and the glass fiber board 110 is used as a core material for a vacuum insulation material.
- the composite may be formed in a form in which the glass fiber board 110 is laminated on one or both surfaces of the glass fiber wool 120.
- FIG. 2 to 4 is a cross-sectional view of the core material for a vacuum insulator according to another embodiment.
- the composite of the glass fiber wool and the glass fiber board may be laminated in a single layer, respectively, or may be laminated in a plurality of layers as necessary. Various embodiments stacked in the plurality of layers are illustrated in FIGS. 2 to 4.
- a glass fiber board 110 and a glass fiber wool 120 are sequentially stacked on the glass fiber wool 140.
- 3 is a core material in which two layers of glass fiber boards 130 and 110 are sequentially stacked on the glass fiber wool 120.
- a glass fiber board 130 is a core material in which a glass fiber board 130, a glass fiber wool 120, and a glass fiber board 110 are sequentially stacked on the glass fiber wool 140.
- the stacking order or the number of layers may be used in various forms.
- the glass fiber wool 120 has a structure in which glass fibers are collected, and may be manufactured according to a thermocompression bonding process.
- the thermocompression process may comprise a process that is pressurized and heated for 10 minutes.
- the glass fiber average diameter of the glass fiber wool 120 is 4-6 micrometers.
- the diameter of the glass fiber is less than 4 ⁇ m, in the glass fiber wool 120 formed by collecting the fiber, the porosity is small, when used as a core material of the vacuum insulation material, the initial thermal insulation performance is lowered, when the pore exceeds 6 ⁇ m Since the size increases, there is a problem that the long-term durability performance is lowered.
- the glass fiber wool 120 may be formed of 55 to 70% silicon oxide, 0.5 to 5.0% aluminum oxide, 2.5 to 4.0% magnesium oxide, 4.5 to 12% calcium oxide, 0.1 to 0.5% potassium oxide, or the like. In addition, glass fiber wool having various configurations can be used.
- Glass fiber wool 120 can be used to cut the glass wool fabric in the form of a square, a circle, etc. according to the shape of the vacuum insulation.
- a glass fiber board 110 having a shape in which the shape of the core material 100 is roughly provided is provided.
- Glass fiber board 110 may use a glass fiber having an average fiber diameter of 1 ⁇ 4 ⁇ m.
- the porosity is too small, the thermal insulation performance is lowered, which is not suitable as a core material of the vacuum insulation material, the pore size is larger than 4 ⁇ m As it becomes larger, the effect of forming a composite of fiberglass boards to compensate for long-term durability is insignificant.
- the manufacture of the glass fiber boards may be by a wet manufacturing method in which the glass fibers are made into a board by dispersing the glass fibers in an inorganic binder (at least one of soluble sodium silicate, alumina sol, silica sol, alumina phosphate).
- Soluble sodium silicate in particular comprises water, silica powder and sodium hydroxide.
- the glass fiber board 110 may be formed of 55 to 70% silicon oxide, 0.5 to 5.0% aluminum oxide, 2.5 to 4.0% magnesium oxide, 4.5 to 12% calcium oxide, 0.1 to 0.5% potassium oxide, or the like. In addition, glass fiber boards having various configurations can be used.
- the glass fiber board 110 includes a material capable of securing excellent long-term durability, and may use a glass fiber board, sheet, or paper product form. Additionally, materials for improving long-term durability include fumed silica powder, silica powder, pearlite powder, and airgel powder, and may include one or more of them.
- the manufacturing method of the core material for vacuum insulation material 100 of the present invention includes the step of forming a composite in which the glass fiber wool 120 and the glass fiber board 110 is a composite, the composite is a lamination method, thermocompression method, It may be based on at least one of an inorganic binder adhesion method and a needling process.
- the lamination method among the above methods for implementing a composite structure is a method for laminating two or more kinds of materials.
- the thermocompression method is a method of thermocompression at high temperature, and methods such as plate press and belt press may be used. It is preferable to perform thermocompression bonding at the temperature of 400-1000 degreeC. When the temperature is less than 400 ° C., the glass fiber structure constituting the wool and the board is not well deformed and the crimping is not effective. When the temperature exceeds 1000 ° C., the manufacturing cost is excessively increased.
- Inorganic binder bonding method is a method for bonding the glass fiber wool 120 and the glass fiber board 110 using an inorganic binder
- the inorganic binder may be used alumina sol, silica sol, alumina phosphate or soluble sodium silicate, In some cases, it may include two or more of them.
- a needling process is a method of laminating glass fiber wool and a glass fiber board, and then needling using a needle.
- Vacuum insulating material according to the present invention is formed to include a core material consisting of a glass fiber wool and a glass fiber board composite and a shell material for vacuum packaging the core material, and further comprising a getter material attached or inserted into the core material It may be.
- FIG 5 is a cross-sectional view of the getter material included in the vacuum insulating material according to the embodiment.
- Gases and moisture may be generated inside the shell material by external temperature change, and a getter material is used to prevent this, and the getter material according to the present invention will be described as follows.
- quicklime (CaO, 200) contained in the pouch 210 may be seen.
- the pouch 210 is also formed of wrinkled paper and polypropylene (PP) impregnated nonwoven fabric to ensure 25% or more moisture absorption performance.
- the thickness of the getter in consideration of the thickness of the entire thermal insulation pad is preferably formed within 2mm.
- FIG. 6 and 7 are cross-sectional views of the outer cover material included in the vacuum insulating material according to the embodiment.
- the outer cover material 300 and 400 which become the sealing body surrounding the core material for vacuum insulation materials of this invention are formed.
- the specific shape and manufacturing method will be described.
- the outer skin materials 300 and 400 are first formed of the metal barrier layers 320 and 430 and the surface protective layer 310 formed on the adhesive layers 330 and 440 sequentially.
- the adhesive layers 330 and 440 may be layers formed inside the encapsulation body, and the surface protection layer 310 may be defined as a layer exposed to the outermost portion.
- the adhesive layers 330 and 440 serve to maintain a vacuum state as a layer that is thermally welded to each other by heat sealing. Accordingly, the adhesive layers 330 and 440 are made of high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), unstretched polypropylene (CPP), stretched polypropylene (OPP), and polychloride, which are easily thermally welded.
- HDPE high density polyethylene
- LDPE low density polyethylene
- LLDPE linear low density polyethylene
- CPP unstretched polypropylene
- OPP stretched polypropylene
- polychloride which are easily thermally welded.
- thermoplastic film comprising at least one selected from vinylidene (PVDC), polyvinyl chloride (PVC), ethylene-vinyl acetate copolymer (EVA) and ethylene-vinyl alcohol copolymer (EVOH), It is preferable to form to a thickness of 1 to 100 ⁇ m to provide.
- PVDC vinylidene
- PVC polyvinyl chloride
- EVA ethylene-vinyl acetate copolymer
- EVOH ethylene-vinyl alcohol copolymer
- a metal thin film having a thickness of 6 to 7 ⁇ m is formed on the adhesive layers 330 and 440 as barrier layers 320 and 430 for gas blocking and core material protection.
- barrier layers 320 and 430 for gas blocking and core material protection.
- aluminum foil (Foil) metal barrier layers (320, 430) are most used, and since the thin film having a superior characteristic than the aluminum foil is not clearly found, aluminum foil is also used in the present invention.
- aluminum is a metal material, there may be a problem such as cracking when folded.
- the surface protection layer 310 is formed on the metal barrier layers 320 and 430.
- the surface protective layer of the outer cover material according to the present invention is preferably formed of a laminated structure of a polyethylene terephthalate (PET) film 410 of 10 ⁇ 14 ⁇ m thick nylon (Nylon) film 420 of 20 ⁇ 30 ⁇ m. .
- PET polyethylene terephthalate
- Nylon nylon
- the polyethylene terephthalate layer is prevented to prevent this. It is used by coating a vinyl resin layer on the top.
- the vinyl resin layer is a vinyl 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 system resin.
- PVC polyvinyl chloride
- PVA polyvinyl acetate
- PVAL polyvinyl alcohol
- PVDC polyvinylidene chloride
- the surface protective layer 310, the metal barrier layers 320 and 430, and the adhesive layers 330 and 440 are preferably bonded to each other by using a polyurethane (PU) -based resin.
- PU polyurethane
- the vacuum insulator according to the present invention can have the best airtightness and long-term durability performance.
- FIGS. 8 and 9 are cross-sectional views showing a vacuum insulating material according to the embodiment.
- FIG. 8 illustrates a vacuum insulator in a state in which the getter material 510 is attached to the surface of the core material 500 and sealed using the shell material 520
- FIG. 9 shows the getter material inside the core material 600. It illustrates a vacuum insulator in a state in which the envelope 620 is sealed in the state 610 is inserted.
- the glass fiber wool and the glass fiber board described in FIG. 1 are made of a composite material in which each layer is laminated by a lamination method in a size of 8 ⁇ 190 ⁇ 250mm (thickness ⁇ width ⁇ length), and then for vacuum insulation. Used as a core material.
- PVDC polyvinylidene chloride
- PET polyethylene terephthalate film
- nylon nylon
- LLDPE linear low density polyethylene
- the core material was inserted into the encapsulation body and sealed at a vacuum degree of 10 Pa to prepare a vacuum insulation material according to the present invention.
- a vacuum insulation material was manufactured under the same conditions as in Example 1, except that the core material was composed of a composite in which a glass fiber board was laminated by a lamination method on top of two layers of glass fiber wool, and 8 ⁇ 190 ⁇ 250 mm (thickness ⁇ width ⁇ Length).
- a vacuum insulator was prepared in which all conditions were the same as in Example 1, but the core material was made of a glass fiber board only and manufactured to a size of 8 ⁇ 190 ⁇ 250 mm (thickness ⁇ width ⁇ length).
- a vacuum insulator was prepared in which all conditions were the same as in Example 1, but the core material was manufactured by stacking two layers of glass fiber boards by a lamination method and having a size of 8 ⁇ 190 ⁇ 250 mm (thickness ⁇ width ⁇ length).
- a vacuum insulation material was prepared in the same manner as in Example 1, except that the core material was made of glass fiber wool only and had a size of 8 ⁇ 190 ⁇ 250 mm (thickness ⁇ width ⁇ length).
- a vacuum insulator was prepared in which all conditions were the same as in Example 1, but the core material was manufactured by laminating two layers of glass fiber wool by a lamination method and having a size of 8 ⁇ 190 ⁇ 250 mm (thickness ⁇ width ⁇ length).
- FIG 10 is a graph comparing and evaluating the thermal insulation performance of the vacuum insulation material according to the embodiment and the vacuum insulation material according to the comparative example.
- the initial thermal conductivity is low and the increase in thermal conductivity with time is relatively low, so that the initial thermal insulation performance and the long-term durability performance are excellent in the case of a vacuum insulation material made of a composite core material. Able to know.
- the above-described vacuum insulating material of the present invention provides a structure that can maximize the initial thermal insulation performance, and at the same time provides the effect of increasing the long-term durability performance to at least 10 years or more.
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Textile Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (23)
- 유리 섬유 울(wool)과 유리 섬유 보드가 복합된 복합체로 형성된 진공단열재용 심재.
- 제1항에 있어서,상기 유리 섬유 보드는 상기 유리 섬유 울의 일면 또는 양면에 형성된 것을 특징으로 하는 진공단열재용 심재.
- 제1항에 있어서,상기 심재는 유리 섬유 울과 상기 유리 섬유 보드가 각각 1층 이상 적층된 것을 특징으로 하는 진공단열재용 심재.
- 제1항에 있어서,상기 유리 섬유 울에서 유리 섬유의 평균 직경은 4 ~ 6㎛인 것을 특징으로 하는 진공단열재용 심재.
- 제1항에 있어서,상기 유리 섬유 보드에서 유리 섬유의 평균 직경은 1 ~ 4㎛인 것을 특징으로 하는 진공단열재용 심재.
- 제1항에 있어서,상기 유리 섬유 보드는 흄드 실리카 파우더, 실리카 파우더, 펄라이트 파우더 및 에어로젤 파우더 중에서 하나 이상을 포함하는 것을 특징으로 하는 진공단열재용 심재.
- 유리 섬유 울(wool)과 유리 섬유 보드를 복합하여 복합체로 심재를 형성하는 것을 특징으로 하는 진공단열재용 심재의 제조방법.
- 제7항에 있어서,상기 유리 섬유 울과 상기 유리 섬유 보드의 복합은 적층법, 열압착법, 무기 바인더 접착법 및 니들링(needling) 가공법 중 하나 이상의 방법으로 실시하는 것을 특징으로 하는 진공단열재용 심재의 제조방법.
- 제8항에 있어서,상기 열압착법은 400℃ 이상의 온도에서 실시하는 것을 특징으로 하는 진공단열재용 심재의 제조방법.
- 제8항에 있어서,상기 열압착법은 플레이트 프레스(plate press) 또는 벨트 프레스(belt press)를 이용하는 것을 특징으로 하는 진공단열재용 심재의 제조방법.
- 제8항에 있어서,상기 무기바인더 접착법에 이용되는 무기 바인더는 알루미나 졸, 실리카 졸, 알루미나 포스페이트 및 가용성 규산나트륨 중 하나 이상을 포함하는 것을 특징으로 하는 진공단열재용 심재의 제조방법.
- 유리 섬유 울(wool)과 유리 섬유 보드가 복합된 복합체로 형성된 심재; 및상기 심재를 진공 포장하는 외피재;를 포함하는 것을 특징으로 하는 진공단열재.
- 제12항에 있어서,상기 심재에 부착 또는 삽입되는 게터(getter)재를 더 포함하는 것을 특징으로 하는 진공단열재.
- 제13항에 있어서,상기 게터재는 순도 95%이상의 생석회(CaO) 분말이 파우치에 포장되어 있는 것을 특징으로 하는 진공단열재.
- 제14항에 있어서,상기 파우치는 주름지 및 폴리프로필렌(PP) 함침 부직포로 형성된 것을 특징으로 하는 진공단열재.
- 제13항에 있어서,상기 게터재는 25% 이상의 수분 흡수율을 갖는 것을 특징으로 하는 진공단열재.
- 제12항에 있어서,상기 외피재는 외부로부터 표면보호층, 금속 배리어층 및 접착층의 적층 구조를 갖는 것을 특징으로 하는 진공단열재.
- 제17항에 있어서,상기 표면보호층은 폴리에틸렌테레프탈레이트(PET) 및 나일론(nylon) 필름의 적층 구조를 갖는 것을 특징으로 하는 진공단열재.
- 제18항에 있어서,상기 폴리에틸렌테레프탈레이트(PET) 필름 상부에는 비닐계 수지가 코팅된 것을 특징으로 하는 진공단열재.
- 제19항에 있어서,상기 비닐계 수지는 폴리염화비닐(PVC), 폴리초산비닐(PVA), 폴리비닐알콜(PVAL), 폴리비닐브탈랄(PVB) 및 폴리염화비닐리덴(PVDC) 수지 중 선택된 하나 이상인 것을 특징으로 하는 진공단열재.
- 제17항에 있어서,상기 금속 배리어층은 알루미늄 호일(Foil)로 형성된 것을 특징으로 하는 진공단열재.
- 제17항에 있어서,상기 접착층은 고밀도 폴리에틸렌(HDPE), 저밀도 폴리에틸렌(LDPE), 선형저밀도 폴리에틸렌(LLDPE), 미연신 폴리프로필렌(CPP), 연신 폴리프로필렌(OPP), 폴리염화비닐리덴(PVDC), 폴리염화비닐(PVC), 에틸렌-아세트산비닐공중합체(EVA) 및 에틸렌-비닐알코올 공중합체(EVOH) 중 선택된 하나 이상을 포함하는 것을 특징으로 하는 진공단열재.
- 제17항에 있어서,상기 표면 보호층과 금속 배리어층 간의 접착 및 금속 배리어층과 접착층 간의 접착은 각각 폴리우레탄(PU)계 수지에 의해서 접착된 것을 특징으로 하는 진공단열재.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11818305.2A EP2607073A4 (en) | 2010-08-17 | 2011-07-13 | Composite core material for vacuum insulation panel, preparation method thereof, and vacuum insulation panel using same |
JP2013524028A JP5879348B2 (ja) | 2010-08-17 | 2011-07-13 | 真空断熱材用複合芯材、その製造方法及びこれを用いた真空断熱材 |
CN201180039817.4A CN103108749B (zh) | 2010-08-17 | 2011-07-13 | 真空绝热材料用复合芯材及其制备方法、以及利用该复合芯材的真空绝热材料 |
US13/817,188 US20130142983A1 (en) | 2010-08-17 | 2011-07-13 | Composite core material for vacuum insulation panel, preparation method thereof, and vacuum insulation panel using the same |
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KR1020100079154A KR101286342B1 (ko) | 2010-08-17 | 2010-08-17 | 진공단열재용 복합심재, 그 제조방법 및 이를 이용한 진공단열재 |
KR10-2010-0079154 | 2010-08-17 |
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WO2012023705A2 true WO2012023705A2 (ko) | 2012-02-23 |
WO2012023705A3 WO2012023705A3 (ko) | 2012-04-19 |
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US (1) | US20130142983A1 (ko) |
EP (1) | EP2607073A4 (ko) |
JP (1) | JP5879348B2 (ko) |
KR (1) | KR101286342B1 (ko) |
CN (1) | CN103108749B (ko) |
WO (1) | WO2012023705A2 (ko) |
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Also Published As
Publication number | Publication date |
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CN103108749B (zh) | 2016-09-07 |
JP5879348B2 (ja) | 2016-03-08 |
US20130142983A1 (en) | 2013-06-06 |
CN103108749A (zh) | 2013-05-15 |
JP2013540607A (ja) | 2013-11-07 |
WO2012023705A3 (ko) | 2012-04-19 |
EP2607073A4 (en) | 2017-08-09 |
KR20120016743A (ko) | 2012-02-27 |
KR101286342B1 (ko) | 2013-07-15 |
EP2607073A2 (en) | 2013-06-26 |
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