KR100367459B1 - Phenol foam sandwich panel - Google Patents
Phenol foam sandwich panel Download PDFInfo
- Publication number
- KR100367459B1 KR100367459B1 KR10-2000-0002512A KR20000002512A KR100367459B1 KR 100367459 B1 KR100367459 B1 KR 100367459B1 KR 20000002512 A KR20000002512 A KR 20000002512A KR 100367459 B1 KR100367459 B1 KR 100367459B1
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- South Korea
- Prior art keywords
- sandwich panel
- glass fiber
- endothelial
- phenol
- phenolic
- Prior art date
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- 239000006260 foam Substances 0.000 title claims abstract description 53
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003365 glass fiber Substances 0.000 claims abstract description 29
- 230000003511 endothelial effect Effects 0.000 claims abstract description 16
- 210000003038 endothelium Anatomy 0.000 claims abstract description 10
- 239000011162 core material Substances 0.000 claims abstract description 9
- 239000005011 phenolic resin Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0285—Condensation resins of aldehydes, e.g. with phenols, ureas, melamines
-
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
본 발명은 가볍고 강도와 내구성 및 내열성 및 단열성이 뛰어나 단열자재 및 불연자재 등으로 사용되는 페놀 폼 샌드위치 패널에 관한 것으로서; 심재를 형성하되 발포체로 이루어져 단열 기능을 수행하는 페놀 폼 플레이트와, 상기 페놀 폼 플레이트의 상면과 하면에 각각 위치되어 샌드위치 형상이 되게 하는 내피와, 상기 내피를 상기 페놀 폼 플레이트에 스티칭하는 유리 섬유실과, 상기 내피의 외측에 각각 위치되고 프리프래그 상태에서 상기 내피에 부착되는 외피로 구성됨으로써; 내피가 페놀 폼 플레이트에 유리 섬유실에 의하여 스티칭되어 있고 프리프래그 상태의 외피가 내피에 부착되면서 유리 섬유실에 함침되므로 내피 및 외피의 박리 현상이 발생되지 않도록 하는 페놀 폼 샌드위치 패널에 관한 것이다.The present invention relates to a phenol foam sandwich panel which is light and has excellent strength, durability, heat resistance and heat insulation, and is used as a heat insulating material and a non-combustible material; A phenol foam plate which forms a core material and is formed of a foam to perform a thermal insulation function, an endothelial which is positioned on a top surface and a bottom surface of the phenolic foam plate so as to have a sandwich shape, and a glass fiber thread that stitches the inner skin to the phenolic foam plate; And an outer shell respectively positioned on the outer side of the endothelial and attached to the endothelial in a prefrag state; The present invention relates to a phenolic foam sandwich panel in which the endothelium is stitched by a glass fiber thread on a phenolic foam plate, and the prefrag outer skin is attached to the inner skin so as to be impregnated into the glass fiber thread so that peeling of the endothelium and the skin does not occur.
상기한 페놀 폼 샌드위치 패널은 구조적 특성으로 높은 열적 안정성과 내열성 및 난연성에 우수한 특성을 가지고 있고 샌드위치 패널의 내피가 일체형으로 성형되어 중량이 가볍고 강도와 내구성 및 내열성과 방염성이 향상되어 이를 사용하는 여러 제품의 내구수명을 대폭 연장시키는 효과를 갖는 특성이 있다.The above phenol foam sandwich panel has high thermal stability, heat resistance and flame retardancy as its structural characteristics, and the endothelial of the sandwich panel is integrally molded so that it is light in weight and has improved strength, durability, heat resistance, and flame resistance. Has the effect of significantly extending the service life of the.
Description
본 발명은 페놀 폼 플레이트의 양측에 유리섬유 보강재가 이중으로 적층되어 단열판재를 형성하는 페놀 폼 샌드위치 패널에 관한 것으로서, 특히 내피에 해당되는 부분이 심재인 페놀 폼 샌드위치 패널이 유리 섬유실로 스티칭 되고 외피 부분이 프리프래그 상태에서 적층되어 스티칭된 부분에 페놀 수지가 함침되도록 함으로써 박리가 일어나지 않도록 한 페놀 폼 샌드위치 패널에 관한 것이다.The present invention relates to a phenol foam sandwich panel in which a double layer of glass fiber reinforcement is laminated on both sides of the phenolic foam plate to form a heat insulating plate. Particularly, a phenol foam sandwich panel whose core corresponds to an inner skin is stitched with a glass fiber thread and an outer skin part. The present invention relates to a phenol foam sandwich panel in which a phenol resin is impregnated into a part laminated and stitched in this prepreg state so that peeling does not occur.
일반적으로 페놀 폼 샌드위치 패널은 도 1에 도시된 바와 같이 심재를 형성하는 페놀 폼 플레이트(10)와, 상기 페놀 폼 플레이트(10)의 상하면에 각각 적층되는 유리섬유 보강재의 내피(11)와, 상기 내피(11)의 외측에 각각 적층되는 유리섬유 보강재의 외피(12)로 구성되어 있다.In general, the phenolic foam sandwich panel is a phenolic foam plate 10 to form a core material as shown in Figure 1, the inner skin 11 of the glass fiber reinforcement material laminated on the upper and lower surfaces of the phenolic foam plate 10, respectively, It consists of the outer shell 12 of the glass fiber reinforcement laminated | stacked on the outer side of the inner shell 11, respectively.
이와 같이 구성된 페놀 폼 샌드위치 패널은 불연자재로서 난열성과 단열성이 우수하고 경량이어서 사용 범위가 매우 넓다. 즉, 건축물의 내·외장재나, 컨테이너, 캐빈, 칸막이, 바닥재, 옥외 구조물 등 다양한 제품에 사용되고 있다. 이러한 페놀 폼 샌드위치 패널은 금속판에 접합될 때 리벳 등의 부품을 이용하여 부착하고 있다.The phenol foam sandwich panel configured as described above is a non-combustible material, which is excellent in heat resistance and heat insulation, and is light in weight, so its use range is very wide. That is, it is used for various products such as interior and exterior materials of buildings, containers, cabins, partitions, flooring materials, and outdoor structures. These phenol foam sandwich panels are attached using parts such as rivets when joined to a metal plate.
그러나, 상기한 종래의 패널 폼 샌드위치 패널은 페놀 폼 플레이트와 내피 및 외피가 각각 접착제에 의하여 부착되므로 내피와 심재의 결합이 견고하지 못하여 장기간 사용시 외피 및 내피가 박리되는 문제점이 있다.However, the conventional panel foam sandwich panel described above has a problem in that the phenolic foam plate, the inner skin and the outer skin are attached to each other by an adhesive, and thus the outer skin and the inner skin are peeled off when used for a long time because the bond between the inner skin and the core is not firm.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 심재에 내피를 부착할 때 유리 섬유실을 이용하여 스티칭하여 접합강도를 증가시킴과 동시에 외피 부분의 페놀 수지가 유리 섬유실에 함침되도록 하여 페놀 폼 플레이트와 유리섬유 보강재를 일체화함으로써 내부 유체에 대한 차단 기능을 갖도록 하고 박리 현상을 방지할 수 있도록 한 페놀 폼 샌드위치 패널을 제공하는데 그 목적이 있다.The present invention has been made to solve the above-mentioned problems of the prior art, and when attaching the endothelial to the core material is stitched using a glass fiber yarn to increase the bonding strength and at the same time the phenolic resin of the outer skin part impregnated the glass fiber yarn It is an object of the present invention to provide a phenol foam sandwich panel which is capable of integrating a phenol foam plate and a glass fiber reinforcement to have a blocking function against internal fluids and to prevent a peeling phenomenon.
도 1은 종래의 페놀 폼 샌드위치 패널이 도시된 구성도1 is a configuration diagram showing a conventional phenolic foam sandwich panel
도 2는 본 발명에 의한 페놀 폼 샌드위치 패널이 도시된 구성도Figure 2 is a block diagram showing a phenol foam sandwich panel according to the present invention
도 3은 도 2의 "A-A" 단면이 도시된 도면으로서 페놀 폼 샌드위치 패널의 단면도이다.FIG. 3 is a cross-sectional view of the phenol foam sandwich panel in which the section “A-A” of FIG. 2 is shown.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
50 : 페놀 폼 플레이트 51 : 내피50: phenolic foam plate 51: endothelial
52 : 외피 53 : 유리 섬유실52: jacket 53: glass fiber yarn
상기한 목적을 달성하기 위한 본 발명은 심재를 형성하되 발포체로 이루어져 단열 기능을 수행하는 페놀 폼 플레이트(50)와, 상기 페놀 폼 플레이트(50)의 상면과 하면에 각각 위치되어 샌드위치 형상이 되게 하는 내피(51)와, 상기 내피(51)를 상기 페놀 폼 플레이트(50)에 스티칭하는 유리 섬유실(53)과, 상기 내피(51)의 외측에 각각 위치되고 프리프래그 상태에서 상기 내피(51)에 부착되는 외피(52)로 구성된 것을 특징으로 한다.이하, 본 발명의 바람직한 실시 예를 첨부된 도면을 참조하여 설명하면 다음과 같다.The present invention for achieving the above object is to form a core material is made of a foam to perform a thermal insulation function and the phenol foam plate 50, respectively located on the upper and lower surfaces of the phenolic foam plate 50 to make a sandwich shape The endothelium 51, the glass fiber chamber 53 for stitching the endothelium 51 to the phenolic foam plate 50, and the endothelium 51 in the preflag state, respectively located outside of the endothelium 51. It is characterized in that it consists of a sheath 52 attached to. Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.
본 발명에 의한 페놀 폼 샌드위치 패널은 도 2와 도 3에 도시된 바와 같이, 심재를 형성하되 발포체로 이루어져 단열 기능을 수행하는 페놀 폼 플레이트(50)와, 상기 페놀 폼 플레이트(50)의 상면과 하면에 각각 위치되어 샌드위치 형상이 되게 하는 유리섬유 보강재의 내피(51)와, 상기 내피(51)를 상기 페놀 폼 플레이트(50)에 스티칭하는 유리 섬유실(53)과, 상기 내피(51)의 외측에 각각 위치되고 프리프래그 상태에서 상기 내피(51)에 부착되는 유리섬유 보강재의 외피(52)로 구성된다.2 and 3, the phenol foam sandwich panel according to the present invention forms a core material but consists of a foam and performs a thermal insulation function, and a top surface of the phenolic foam plate 50 and Endothelial 51 of the glass fiber reinforcement to be sandwiched on the lower surface to form a sandwich, a glass fiber chamber 53 for stitching the endothelial 51 to the phenol foam plate 50, and the endothelial 51 It is composed of an outer shell 52 of glass fiber reinforcement, respectively positioned on the outer side and attached to the endothelial 51 in a pre-frag state.
상기 내피(51)는 유리섬유직물로 형성되고, 상기 페놀 폼 플레이트(50)의 외측면을 감싸는 형태가 되도록 일체형으로 형성된다. 또한, 상기 외피(52)는 유리섬유에 페놀 수지가 함침되어 형성되며, 상기 외피(52)는 프리프래그 상태에서 내피(51)에 부착될 때 스티칭 부분의 접착 강도가 향상되도록 경화과정의 페놀 수지가 상기 유리 섬유실(53)에 침투되도록 한다.The endothelium 51 is formed of a glass fiber fabric, is formed integrally to form a form surrounding the outer surface of the phenolic foam plate 50. In addition, the outer shell 52 is formed by impregnating a phenolic resin in the glass fiber, the outer shell 52 is a phenol resin of the curing process to improve the adhesive strength of the stitching portion when attached to the inner shell 51 in the pre-flag state Is allowed to penetrate into the glass fiber chamber 53.
상기와 같이 같이 구성된 본 발명의 페놀 폼 샌드위치 패널은 다음과 같은 특징을 가지게 된다.첫째, 페놀 폼 플레이트(50)에 내피(51)를 부착시키기 위하여 유리 섬유실(53)을 이용하여 스티칭함과 동시에 열경화성수지액을 동시에 함침시키게 되므로, 페놀 폼 플레이트(50)와 유리섬유직물이 일체화되어 접합 강도가 증가되고 박리되는 현상이 제어된다.둘째, 페놀 수지가 함침된 페놀 프리프래그 상태의 유리섬유 보강재의 외피(52)가 내피(51)의 외측에서 각각 접합되어 내피(51)와 외피(52)의 접합 강도를 증가시킴과 동시에 내부의 유체에 대한 차단 기능을 가지게 될뿐 아니라 내구성 및 내열성을 향상시키게 된다. 즉, 외피와(52) 내피(51)및 심재(50)가 일체형으로 형성되고 유리섬유 재질로 되어 있어 내부의 유체가 외측으로 누설되지 않게 한다.셋째, 스티칭용으로 사용되는 유리 섬유실(53)에 함침되는 열경화성수지로 페놀수지를 사용하는 바, 페놀수지는 유리섬유와의 친숙성이 좋으며 내열성과 난연성 및 내약품성을 가지고 있고 기계적 성능 및 전기적 성능이 우수하므로 페놀수지가 포함된 복합재료는 내구성이 우수할뿐만 아니라 페놀 수지의 난연적인 특징으로 화재 발생시 거의 연기가 나지 않게 된다. 따라서, 화재시 연기에 문제가 생기는 부위에 사용이 가능하며, 높은 안정성과 고온 및 하중에 대해서도 안정된 물성을 가지게 된다.넷째, 전체적인 구조가 샌드위치 형태로서 구조적 안정성을 가지고 있고 내열성과 난연성 및 높은 열적 안정성으로 불연자재로서의 활용이 가능하다. 상기한 페놀 폼 샌드위치 패널의 내연소성 시험에 따라 샌드위치 패널의 표면 온도를 850 ~ 900℃로 유지하였을 때, 시간의 경과에 따라 패널에서 일어나는 현상은 불꽃 및 연기의 발생이 없이 단지 탄화과정만이 유지된다. 즉, 장시간 동안 내연소성 시험을 지속하더라도 표면 만이 탄화될 뿐 착화되지 않고 연기 발생량이 극히 적어 우수한 불연성 및 난연성을 가진 불연자재로서 사용이 가능하다.The phenolic foam sandwich panel of the present invention configured as described above has the following characteristics. First, stitching using a glass fiber thread 53 to attach the endothelial 51 to the phenolic foam plate 50 and At the same time, the thermosetting resin solution is impregnated at the same time, so that the phenol foam plate 50 and the glass fiber fabric are integrated so that the bonding strength is increased and peeling is controlled. Second, the phenol resin is impregnated with phenolic prepreg. The outer shell 52 of the outer shell 51 is bonded to each other on the outside of the inner shell 51 to increase the bonding strength between the inner shell 51 and the outer shell 52 and at the same time have a blocking function against the fluid inside, as well as improving durability and heat resistance. Let's go. That is, the outer shell 52, the inner shell 51 and the core 50 are integrally formed and made of glass fiber material so that the fluid inside does not leak to the outside. Third, the glass fiber chamber 53 used for stitching is used. Phenol resin is used as a thermosetting resin impregnated with) .The phenol resin has good familiarity with glass fiber, has heat resistance, flame retardancy and chemical resistance, and excellent mechanical and electrical performance. Not only is this excellent, but the flame retardant nature of the phenolic resin makes it almost impossible to smoke in the event of a fire. Therefore, it can be used in the place where smoke is a problem in fire, and it has high stability and stable physical properties even at high temperatures and loads. Fourth, the overall structure has a structural stability as a sandwich form and has heat resistance, flame retardancy, and high thermal stability. It can be used as non-combustible material. When the surface temperature of the sandwich panel was maintained at 850 to 900 ° C. according to the flame resistance test of the phenolic foam sandwich panel described above, the phenomenon occurring in the panel over time maintained only a carbonization process without generating sparks and smoke. do. That is, even if the flame resistance test is continued for a long time, only the surface is carbonized, not ignited, and the smoke generation amount is extremely small, so that it can be used as a nonflammable material having excellent nonflammability and flame retardancy.
또, 상기한 페놀 폼 샌드위치 패널은 내피(51)의 평면판과 측면판이 일체형으로 성형되므로, 전체적인 중량이 가볍고 강도와 내구성 및 내열성과 방염성을 향상되어 그 용도를 확장시킬 수 있다.In addition, the phenol foam sandwich panel is molded integrally with the flat plate and the side plate of the endothelial 51, the overall weight is light, strength and durability and heat resistance and flame resistance can be improved to expand its use.
결과적으로 본 발명의 페놀 폼 샌드위치 패널은 내피가 페놀 폼 플레이트에 유리 섬유실에 의하여 스티칭되어 있고 프리프래그 상태의 외피가 내피에 부착되면서 유리 섬유실에 함침되므로 내피 및 외피의 박리 현상이 발생되지 않게 되는 이점이 있다.또한, 샌드위치 구조체의 구조적 특성으로 높은 열적 안정성과 내열성 및 난연성에 우수한 특성을 가지고 있고 샌드위치 패널의 내피가 일체형으로 성형되어 중량이 가볍고 강도와 내구성 및 내열성과 방염성이 향상되어 이를 사용하는 여러 제품의 내구수명을 대폭 연장시키는 효과를 갖는다.As a result, the phenolic foam sandwich panel of the present invention is endothelial is stitched to the phenolic foam plate by the glass fiber yarn and the pre-fragment of the outer skin is impregnated into the glass fiber yarn, so that the peeling phenomenon of the endothelial and the skin is not generated. In addition, the structural properties of the sandwich structure have high thermal stability, excellent heat resistance and flame retardancy, and the inner surface of the sandwich panel is integrally molded to provide light weight, improved strength, durability, heat resistance, and flame resistance. It has the effect of greatly extending the service life of various products.
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KR20180099340A (en) | 2017-02-28 | 2018-09-05 | 주식회사 화인 | Sandwitch panel for a ship |
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KR102394920B1 (en) | 2021-03-24 | 2022-05-09 | (주)동양산업 | Composite Sandwich Panel |
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