KR200409421Y1 - The incombustible reflective heat insulator with advanced performance - Google Patents
The incombustible reflective heat insulator with advanced performance Download PDFInfo
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- KR200409421Y1 KR200409421Y1 KR2020050034002U KR20050034002U KR200409421Y1 KR 200409421 Y1 KR200409421 Y1 KR 200409421Y1 KR 2020050034002 U KR2020050034002 U KR 2020050034002U KR 20050034002 U KR20050034002 U KR 20050034002U KR 200409421 Y1 KR200409421 Y1 KR 200409421Y1
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- insulating material
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- 239000012212 insulator Substances 0.000 title 1
- 239000011810 insulating material Substances 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 239000012784 inorganic fiber Substances 0.000 claims abstract description 13
- 239000012774 insulation material Substances 0.000 claims abstract description 9
- 239000004831 Hot glue Substances 0.000 claims abstract description 8
- 239000005416 organic matter Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 abstract description 17
- 239000000835 fiber Substances 0.000 abstract description 9
- 239000003365 glass fiber Substances 0.000 abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000011888 foil Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000011491 glass wool Substances 0.000 abstract description 2
- 239000011490 mineral wool Substances 0.000 abstract description 2
- 239000002341 toxic gas Substances 0.000 abstract description 2
- 241000995070 Nirvana Species 0.000 abstract 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000007731 hot pressing Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 21
- -1 polyethylene Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- 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
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
-
- 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
- E04B2001/7691—Heat reflecting layers or coatings
Abstract
유리섬유, 실리카섬유, 유리면, 암면 등과 같은 무기섬유계 단열재(1)의 양면을 열반사 효율이 우수한 알루미늄호일, 각종 알루미늄 증착필름, 알루미늄 합포등과 같은 반사층(3)을 접착함에 있어서 면적당 중량이 30g/m2 이하인 핫멜트계 접착제(2)를 사용하여 가열압착 방식으로 제조되는 단열성이 우수한 열반사단열재로서, 무기섬유계 단열재를 기초로 하여 저온에서의 복사열의 비율이 상대적으로 낮은 저온에서의 단열성이 종래의 반사단열재에 비해 우수하며, 전체 단열재에서 유기물의 총량이 면적당 중량이 100g/m2 이하여서 화염의 전파속도 및 잔염의 유지시간이 낮을 뿐 아니라 고온의 온도에서도 열분해에 의해 인화가능한 물질의 배출이나 인체에 위험한 유독가스의 발생이 적어 실질적인 적극적 불연성을 만족시킬 수 있는 완전 불연성의 열반사단열재에 관한 것이다.
단열재 무기섬유 반사층 알루미늄 저온단열성 불연성
When bonding both sides of the inorganic fiber-based heat insulating material (1) such as glass fiber, silica fiber, glass wool, rock wool, etc. to the reflective layer 3 such as aluminum foil having excellent heat reflection efficiency, various aluminum deposition films, aluminum composites, etc. A heat reflection insulating material having excellent heat insulating property manufactured by hot pressing method using a hot melt adhesive (2) of 30 g / m2 or less, and based on an inorganic fiber insulating material, heat insulating property at low temperature with a relatively low ratio of radiant heat at low temperature. It is superior to conventional reflective insulation materials, and the total amount of organic matter in the entire insulation material is less than 100g / m2 per weight, so that the flame propagation speed and residual flame retention time are low, and the discharge of flammable materials by pyrolysis at high temperature Fully incombustible nirvana that can satisfy substantial active incombustibility due to less generation of toxic gases dangerous to human body It is about division heat insulation.
Insulation Inorganic Fiber Reflective Layer Aluminum Low Temperature Insulation Nonflammable
Description
도1 : 본 발명에 의한 단열재의 단면도1 is a cross-sectional view of the heat insulating material according to the present invention
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
1 : 무기섬유계 단열재1: inorganic fiber insulation
2 : 접착층2: adhesive layer
3 : 반사층3: reflective layer
종래의 단열재는 열전도에 의한 열전도현상만을 대상으로 하는 단열재로서 대표적인 단열재로서는 폴리스티렌발포체, 폴리에틸렌 발포체, 폴리프로필렌 발포체, 폴리우레탄 발포체, 고무 발포체 등과 같은 각종 유기물의 발포체 단열재와 폴리에틸렌테레프탈레이트나 폴리프로필렌 섬유를 이용한 유기섬유계의 부직포형태나 펠트형태의 단열재, 그리고 글라스울, 락울, 유리장섬유 등과 같은 무기섬유계의 부직포 또는 펠트형태의 단열재 등이 가장 보편적인 단열재이었다. 이러한 종래의 단열재는 열전도도가 낮고 두께가 두꺼울수록 우수한 단열성을 나타내는 특성 때문에 부피단열재라는 용어로 구분하기도 하였다.Conventional heat insulating material is a heat insulating material that targets only thermal conductivity due to heat conduction, and typical heat insulating materials include foam insulating material of various organic materials such as polystyrene foam, polyethylene foam, polypropylene foam, polyurethane foam, rubber foam, and polyethylene terephthalate or polypropylene fiber. Organic fiber based nonwoven fabric or felt type insulation material and inorganic fiber based nonwoven fabric or felt type insulation material such as glass wool, rock wool and glass filament were the most common thermal insulation materials. Such a conventional heat insulating material has been divided into the term heat insulating material because of the low thermal conductivity and the thickness exhibits excellent heat insulating properties.
공개특허공보 제2001-0091178호에서는 일정한 두께의 폴리에틸렌폼이나 폴리스티렌폼등과 같은 종래의 발포류 단열재의 표면을 알루미늄 처리된 반사층을 반복적으로 구성한 다층구조의 단열재를 제시하고 있으나, 이러한 단열재는 과도한 유기물의 함량에 의한 불연성의 저하 및 시공의 문제점이 있다. Patent Publication No. 2001-0091178 proposes a multi-layered insulating material in which a reflective layer treated with aluminum is repeatedly formed on a surface of a conventional foam insulation material such as polyethylene foam or polystyrene foam having a constant thickness. There is a problem of decrease of incombustibility and construction by the content of.
또한 실용신안등록 제 0021592호에서는 부직포, 합성수지필름, 알루미늄 증착층, 합성수지류 필름을 반복적으로 배치한 단열재를 제시하고 있으나, 불연성이 불량하고 복잡한 구조에 비해 단열성이 우수하지 못한 단점이 있다. In addition, Utility Model Registration No. 0021592 proposes a heat insulating material in which a nonwoven fabric, a synthetic resin film, an aluminum deposition layer, and a synthetic resin film are repeatedly arranged.
공개특허 제2005-10-0090628호에서는 카본섬유와 실리카섬유로 구성되는 불연단열층의 상부는 부직포와 알루미늄 호일층을 위치시키고 그 하부는 알루미늄 펄층과 화학섬유 단열층을 위치시킨 건축용 불연단열보드를 제안하고 있으나 단열재를 구성하는 성분 중 일부인 카본섬유와 실리카섬유만이 불연성일 뿐 나머지 성분들은 대부분 불연성이 아니어서 우수한 불연성을 기대하기 어렵다. In the Patent Publication No. 2005-10-0090628 proposes a non-insulating insulation board for building a non-woven fabric and an aluminum foil layer in the upper portion of the non-insulating insulation layer composed of carbon fibers and silica fibers, and the aluminum pearl layer and the chemical fiber insulation layer in the lower portion thereof. However, only carbon fiber and silica fiber, which are a part of the heat insulating material, are nonflammable and most of the other components are not nonflammable, so it is difficult to expect excellent nonflammability.
그리고 공개특허 제2005-10-0056625호에서는 PE나 PP제직천 상부는 코팅처리하고, 하부는 알루미늄 호일을 핫멜트접착제로 접착한 건축용 친환경 단열재를 제안하고 있으나, 유기물의 함량이 과다하여 불연성을 기대하기 어려운 단점이 있으며, 단열성 또한 우수하지 못한 단점이 있다. And in Patent Publication No. 2005-10-0056625 proposes an eco-friendly insulation for construction in which the upper part of the PE or PP woven fabric is coated, and the lower part is bonded to the aluminum foil with a hot melt adhesive, but due to the excessive content of organic matter to expect incombustibility It has a difficult disadvantage, and also has a disadvantage that the thermal insulation is not excellent.
또 등록특허 제2001-20-0256906호에서는 석재면에 유리섬유층과 공기주머니가 있는 열반사단열층으로 구성된 구조를 에폭시접착제로 접착한 구조를 제안하고 있으나, 이 발명에서는 유리섬유를 석재보강의 목적으로 사용하고 있으며, 공기주머니가 있는 열반사단열층은 대부분 폴리올레핀으로 구성되는 성분으로 불연성이 불량한 문제점을 안고 있다.In addition, Patent No. 2001-20-0256906 proposes a structure in which a glass fiber layer and a heat reflection insulation layer having an air pocket on the stone surface are bonded with an epoxy adhesive, but in the present invention, the glass fiber is used for the purpose of reinforcing the stone. It is used, the heat reflective insulation layer with an air bag is a component composed mostly of polyolefin has a problem of poor incombustibility.
본 발명의 단열재는 종래의 단열재가 가지는 특성인 전도열을 최소화시키면서도 복사되는 열도 동시에 최소화시켜 보다 높은 단열성을 발휘하는 것은 물론이고, 통상적인 단열재가 가지기 어려운 불연성의 문제까지 확실하게 해결가능한 단열재를 제안하고자 한다. The heat insulating material of the present invention minimizes the heat radiated while minimizing the heat of conduction, which is a characteristic of the conventional heat insulating material. do.
본 발명에서 제안하는 단열성이 우수한 불연성 열반사 단열재는 종래의 부피단열재 중에서 단열성과 불연성이 가장 우수하다고 판단되는 무기섬유계 단열재(1)의 양면을 열반사 효율이 우수한 알루미늄 반사층(3)이 있는 재질을 부피단열재(1)와 접착이 가능한 접착층(2)으로 구성되는 것을 특징으로 한다. The non-combustible heat reflection insulating material excellent in heat insulation proposed by the present invention is a material having an aluminum reflective layer (3) having excellent heat reflection efficiency on both sides of the inorganic fiber-based heat insulating material (1) which is determined to have the best heat insulation and non-combustibility among the conventional volume insulating materials. It characterized by consisting of an adhesive layer (2) capable of adhering to the volume insulating material (1).
본 발명에 사용되는 무기섬유계 단열재는 주로 장섬유 상의 글라스섬유로서 성분이나 용도에 따라 A, C, E, S, AR 등의 종류로 세분화되어지기도 하는데 본 발명에서는 어떤 종류이든지 다 사용이 가능하며, 좋기로는 E-글라스섬유가 가장 좋다. 이 E-글라스섬유는 대개 방사에 의해 매우 긴 섬유형태로 제조되며 이렇게 제조된 장섬유를 펠트화하기 위해 50-100mm 정도로 절단한 후 카딩공정이나 에어포밍 공정을 통해 매우 벌키한 슬라브 형태로 만든 다음 돌출된 귀가 달린 펀칭용 바늘을 이용한 펀칭공정을 통해 적정한 밀도와 두께의 제품으로 제조할 수가 있는데, 본 발명에 적정한 밀도는 50-200kg/m3이고 두께는 2-50mm로서 용도와 요구되는 성능에 따라 얼마든지 조절이 가능하다. Inorganic fiber-based heat insulating material used in the present invention is mainly glass fiber on the long fiber may be subdivided into types such as A, C, E, S, AR, depending on the component or use, but any type of the present invention can be used. In particular, E-glass fiber is the best. This E-glass fiber is usually made into a very long fiber form by spinning. The long fiber is cut to about 50-100mm to form a very bulky slab by carding or air forming. Punching process using a punching needle with a protruding ear can be manufactured into a product having a suitable density and thickness, the density is suitable for the present invention is 50-200kg / m3 and the thickness is 2-50mm, depending on the use and required performance You can adjust as much as you like.
그리고 이 무기섬유계 단열재(1)의 양면은 반사효율이 우수한 알루미늄층(3)이 위치하는데 이 반사층은 주로 알루미늄만으로 이루어지는 5-300μm의 두께를 가지는 알루미늄층, 얇은 알루미늄과 유기필름 또는 부직포가 합지된 복합층, 폴리에틸렌테레프탈레이트나 폴리프로필렌, 폴리에틸렌 등과 같은 유기필름 위에 알루미늄이 증착된 증착반사필름, 알루미늄과 유리섬유 직물을 접착제로 접착한 합지포 그리고 망상구조로 유리섬유가 보강된 알루미늄 합지포 등을 사용할 수 있다. On both sides of the inorganic fiber-based heat insulating material 1, an aluminum layer 3 having excellent reflection efficiency is located. The reflective layer is an aluminum layer having a thickness of 5-300 μm mainly consisting of aluminum, a thin aluminum film, an organic film, or a nonwoven fabric. Composite layer, evaporation reflecting film with aluminum deposited on organic film such as polyethylene terephthalate, polypropylene, polyethylene, etc., lamination cloth bonded with aluminum and glass fiber fabric with adhesive, and aluminum lamination cloth reinforced with fiberglass with network structure Can be used.
또한 이 반사층(3)과 무기섬유계 단열재(1)의 접착을 위해 통상적인 접착제를 사용할 수 있는데 용매가 포함된 통상의 접착제, 용매가 없는 핫멜트형 접착제 등 접착제와 접착공정의 선택은 크게 제한이 없으나, 유리섬유와 알루미늄층을 접착하기 위해서는 양 성분 모두에게 젖음성이 좋은 성분의 선택이 필요한데, 폴리에틸렌, 폴리프로필렌, 이브이에이 중에서도 융점이 낮고 용융지수(MI)가 낮은 성분의 핫멜트일수록 접착력은 우수하다. 반사층(3)과 무기섬유계 단열재(1)의 접착공정은 용매가 있는 습식접착의 경우는 무기섬유계 단열재(1) 위에 접착제 용액을 도포하고 필요에 따라 예비건조를 시켜 반사층(3)을 올린 후 가압, 가온 조건을 유지하여 접착하기도 하고, 반사층(3)과 무기섬유계 단열재(1)의 사이에 핫멜트형 접착제(2)를 삽입하고 핫멜트형 접착제(2)의 융점이상으로 가열하며 가압가능한 가열롤러방식으로 접착할 수도 있다. 다만 이 가열롤러방식의 경우는 핫멜트 접착제(2)가 녹을 수 있는 온도이지만 본 발명의 구성재료를 용융시키는 온도-시간-압력조건 이하여야 한다.In addition, a conventional adhesive may be used for bonding the reflective layer 3 and the inorganic fiber-based heat insulating material 1, but the selection of adhesives and bonding processes, such as conventional adhesives containing solvents and solvent-free hot melt adhesives, is greatly limited. However, in order to bond the glass fiber and the aluminum layer, it is necessary to select a component having good wettability for both components. . In the bonding process between the reflective layer 3 and the inorganic fiber insulating material 1, in the case of wet adhesion with a solvent, an adhesive solution is applied on the inorganic fiber insulating material 1 and preliminarily dried as necessary to raise the reflective layer 3. After pressing and heating conditions, the adhesive may be adhered to each other, and a
본 발명에 의한 단열재는 열전도방지 뿐 아니라 복사에 의한 열전달을 대부분 방지하지 때문에 얇은 10mm 내외의 두께로도 종래의 부피단열재 200-300mm에 상응하는 단열효과를 나타내며, 특히 복사열의 비율이 낮은 저온에서의 단열성은 섬유상의 무기단열재가 보상하여 하절기보다 동절기의 에너지 효율을 중요 시 하는 국내의 단열시장 실정에 잘 맞아 기존의 얇은 박막형 다층구조의 반사단열재에 비해 동절기 단열성능에서 우수한 성능을 가지고 있다. Since the heat insulating material according to the present invention not only prevents heat conduction but also prevents most of heat transfer by radiation, the heat insulating material exhibits a heat insulating effect corresponding to a conventional volume insulating material 200-300 mm even at a thickness of about 10 mm, especially at low temperatures with a low ratio of radiant heat. Insulation is well suited to the domestic insulation market situation where the fiber-shaped inorganic insulation material compensates for the energy efficiency of the winter rather than the summer, and has excellent performance in the winter insulation performance compared to the reflective insulation material of the thin-film multilayer structure.
그리고 본 발명에서 가장 중요시하는 불연성은 과거 난연성으로 표현되던 연소속도의 지연이나 화염의 전파속도의 제어 등과 같은 난연의 개념이 아닌 최근들어 요구되는 실질적인 불연성으로, 이 불연성은 화염에 접촉하더라도 불이 붙지 않아야 함은 물론이고 고온의 온도에서도 열분해에 의해 인화가능한 물질의 배출이나 인체에 위험한 유독가스의 발생이 적어야 함을 요구하는데, 이런 실질적인 적극적 불연성을 만족시키기 위해서는 단열재의 구성성분 중 고온에서 분해 가능한 유기물의 함량이 1m2당 100g 이하여야하며, 좋기로는 50g 이하인 것이 좋다. 이를 위해 본 발명에서 사용되어지는 유기화합물은 각 층을 접착하는 접착층 뿐이므로, 이 접착층은 중량이 10-30g/m2 수준인 핫멜트 접착제를 사용하기 때문에 많게는 접착층이 10회 사용되더라도 불연규격에서 요구하는 불연특성을 만족시킬 수 있는 특징이 있다. And the most important nonflammability in the present invention is not the concept of flame retardancy, such as the delay of the combustion rate or the control of flame propagation speed, which was expressed as flame retardancy in the past, but it is a practical nonflammability that is required in recent years, and this nonflammability does not catch fire even when it comes in contact with flame. In addition, it is required not to discharge flammable substances or generate toxic gases harmful to human body even at high temperature. In order to satisfy such substantial active incombustibility, organic matter decomposable at high temperature among the components of the insulation is required. The content of is less than 100g per 1m2, preferably 50g or less. To this end, since the organic compound used in the present invention is only an adhesive layer for bonding each layer, since the adhesive layer uses a hot melt adhesive having a weight of 10-30 g /
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