KR20190119687A - Sandwich panel having excellent noise-blocking and flame resistance - Google Patents

Sandwich panel having excellent noise-blocking and flame resistance Download PDF

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KR20190119687A
KR20190119687A KR1020180042441A KR20180042441A KR20190119687A KR 20190119687 A KR20190119687 A KR 20190119687A KR 1020180042441 A KR1020180042441 A KR 1020180042441A KR 20180042441 A KR20180042441 A KR 20180042441A KR 20190119687 A KR20190119687 A KR 20190119687A
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South Korea
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weight
parts
sound insulation
layer
sandwich panel
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KR1020180042441A
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Korean (ko)
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장인배
진상환
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주식회사 하우이씨엠
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Publication of KR20190119687A publication Critical patent/KR20190119687A/en

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    • 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
    • E04C2/296—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 non-metallic or unspecified sheet-material
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/14—Minerals of vulcanic origin
    • C04B14/18—Perlite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/42—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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C04B2111/0062—Gypsum-paper board like materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/1037—Cement free compositions, e.g. hydraulically hardening mixtures based on waste materials, not containing cement as such

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

Disclosed is a sandwich panel excellent in flame-retardancy and sound insulation. More particularly, the sandwich panel comprises: an intermediate layer consisting of a polyurethane mixture containing a flame retardant; and a panel layer formed on upper and lower surfaces of the intermediate layer and made of a panel having excellent incombustibility and light weight. The sandwich panel having the structure can be used for exterior of buildings, and exhibits excellent flame-retardancy, heat insulation, sound insulation, and workability.

Description

난연성 및 차음성이 우수한 샌드위치 패널 {SANDWICH PANEL HAVING EXCELLENT NOISE-BLOCKING AND FLAME RESISTANCE}Sandwich panel with excellent flame retardancy and sound insulation {SANDWICH PANEL HAVING EXCELLENT NOISE-BLOCKING AND FLAME RESISTANCE}

개시된 내용은 난연성 및 차음성이 우수한 샌드위치 패널에 관한 것으로, 더욱 상세하게는 건물의 외장용으로 사용가능하며, 우수한 난연성, 단열성, 차음성 및 작업성을 나타내는 난연성 및 차음성이 우수한 샌드위치 패널에 관한 것이다.
The present disclosure relates to a sandwich panel excellent in flame retardancy and sound insulation, and more particularly, to a sandwich panel excellent in flame retardancy and sound insulation which can be used for exterior of a building and exhibits excellent flame retardancy, heat insulation, sound insulation and workability. .

일반적으로, 샌드위치패널은 글래스울이나 스티로폼 또는 우레탄과 같은 충전재의 전후면에 금속판을 부착하고, 그 양단부에 돌출부와 오목부가 각각 형성되어 구성된 것으로, 통상 다수개를 연속적으로 연결할 때, 상기 돌출부와 오목부가 서로 끼움 결합되도록 되어 있다. 이때, 상기 샌드위치패널은 돌출부와 오목부가 끼워져 연결된 상태에서 체결볼트에 의해 건물의 지지빔 등에 고정되어 건축자재로 널리 사용된다.In general, a sandwich panel is formed by attaching a metal plate to the front and rear surfaces of a filler such as glass wool, styrofoam, or urethane, and having protrusions and recesses formed at both ends thereof, respectively. The parts are adapted to fit together. At this time, the sandwich panel is fixed to the support beam of the building by a fastening bolt in the state in which the protrusion and the recess are fitted is widely used as a building material.

상기와 같은 샌드위치패널은 단가가 저렴하고 단위중량이 가볍고 샌드위치패널의 건축공법이 용이하여 건축비가 저렴하여 공사기간을 단축시키는 장점이 많은 자재로 널리 애용되고 있다.The sandwich panel as described above is widely used as a material having a lot of advantages that the unit cost is low, the unit weight is light, and the construction method of the sandwich panel is easy and the construction cost is low to shorten the construction period.

그러나, 상기와 같은 샌드위치패널의 충전재로 사용되는 스티로품, 우레탄은 인화성재질로 불에 쉽게 타는 특성을 나타내기 때문에, 화재발생시 샌드위치패널의 충전재로 사용되는 스티로품, 우레탄이 연소하면서 발생되는 유독가스와, 스티로폼, 우레탄의 연소속도가 빨라 화재진압시 소화가 더디게 진행되어 국민의 생명과 재산에 많은 피해를 초래하는 문제점이 있었다.However, since the styro product and urethane used as the filler of the sandwich panel as described above are easily flammable due to the flammable material, the toxic gas generated when the styro product and urethane used as the filler of the sandwich panel are burned during a fire. As the combustion speed of styrofoam and urethane is high, the fire extinguishing proceeds slowly during firefighting, causing a lot of damage to people's lives and property.

또한, 상기 샌드위치패널은 패널과 패널 사이에 충전재인 글래스울이나 스티로폼 또는 우레탄으로 충진되어 있어서, 방음, 방한, 방수효과가 저조한 문제점이 있었다.
In addition, the sandwich panel is filled with a glass wool, styrofoam or urethane filler between the panel and the panel, there is a problem that the sound insulation, cold protection, waterproof effect is poor.

한국실용등록 제20-0426021호(2006.09.04)Korea Utility Registration No. 20-0426021 (2006.09.04) 한국특허공개 제10-2016-0148218호(2016.12.26)Korean Patent Publication No. 10-2016-0148218 (2016.12.26)

개시된 내용은 건물의 외장용으로 사용가능하며, 우수한 난연성, 단열성, 차음성 및 작업성을 나타내는 난연성 및 차음성이 우수한 샌드위치 패널을 제공하는 것이다.
Disclosed is a sandwich panel which can be used for exterior of a building and has excellent flame retardancy and sound insulation which exhibits excellent flame retardancy, heat insulation, sound insulation and workability.

하나의 일 실시예로서 이 개시의 내용은 난연제가 함유된 폴리우레탄 혼합물로 이루어지는 중간층 및 상기 중간층의 상부면 및 하부면에 형성되며 불연성 및 경량성이 우수한 패널로 이루어진 패널층으로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널에 대해 기술하고 있다.As one embodiment, the present disclosure is characterized by consisting of an interlayer consisting of a polyurethane mixture containing a flame retardant and a panel layer formed on the upper and lower surfaces of the intermediate layer and having excellent incombustibility and light weight. A sandwich panel having excellent flame retardancy and sound insulation is described.

바람직하기로는, 상기 난연제가 함유된 폴리우레탄 혼합물은 폴리우레탄 100 중량부, 난연제 1 내지 2 중량부 및 시멘트 결합제 1 내지 10 중량부로 이루어질 수 있다.Preferably, the flame retardant-containing polyurethane mixture may be composed of 100 parts by weight of polyurethane, 1 to 2 parts by weight of flame retardant and 1 to 10 parts by weight of cement binder.

더 바람직하기로는, 상기 시멘트 결합제는 고로 슬래그 100 중량부, 수산화칼슘 5 내지 20 중량부, 탄산칼슘 3 내지 10 중량부 및 석고 3 내지 10 중량부로 이루어질 수 있다.More preferably, the cement binder may be 100 parts by weight of blast furnace slag, 5 to 20 parts by weight of calcium hydroxide, 3 to 10 parts by weight of calcium carbonate and 3 to 10 parts by weight of gypsum.

더욱 바람직하기로는, 패널층은 팽창 펄라이트가 함유된 기재층 및 상기 기재층의 상부면 및 하부면에 형성되는 표면층으로 이루어질 수 있다.More preferably, the panel layer may be formed of a base layer containing expanded pearlite and surface layers formed on upper and lower surfaces of the base layer.

더욱 더 바람직하기로는, 상기 기재층은 팽창 펄라이트 100 중량부, 상온경화형 무시멘트 결합재 조성물 80 내지 120 중량부 및 섬유소재 0.1 내지 3 중량부로 이루어질 수 있다.Still more preferably, the base layer may be composed of 100 parts by weight of expanded pearlite, 80 to 120 parts by weight of the room temperature hardening cement binder composition, and 0.1 to 3 parts by weight of the fiber material.

더욱 더 바람직하기로는, 상기 상온경화형 무시멘트 결합재 조성물은 플라이애시 100 중량부, 고로 슬래그 미분말 30 내지 70 중량부, 산화칼슘 30 내지 70 중량부 및 염화칼슘 10 내지 25 중량부로 이루어질 수 있다.Even more preferably, the room temperature hardening cement binder composition may be composed of 100 parts by weight of fly ash, blast furnace slag fine powder 30 to 70 parts by weight, calcium oxide 30 to 70 parts by weight and calcium chloride 10 to 25 parts by weight.

더욱 더 바람직하기로는, 상기 섬유소재는 유리섬유, 폴리에틸렌, 폴리아미드 및 폴리아라미드로 이루어진 그룹에서 선택된 하나 이상으로 이루어질 수 있다.Even more preferably, the fibrous material may consist of one or more selected from the group consisting of glass fibers, polyethylene, polyamides and polyaramids.

더욱 더 바람직하기로는, 상기 표면층은 부직포, 메쉬망, 섬유재료 및 종이재료로 이루어진 그룹에서 선택된 하나로 이루어질 수 있다.
Even more preferably, the surface layer may be made of one selected from the group consisting of nonwoven fabric, mesh network, fiber material and paper material.

이상에서와 같은 난연성 및 차음성이 우수한 샌드위치 패널은 건물의 외장용으로 사용가능하며, 우수한 난연성, 단열성, 차음성 및 작업성을 나타내는 샌드위치 패널을 제공하는 탁월한 효과를 나타낸다.
The sandwich panel having excellent flame retardancy and sound insulation as described above can be used for exterior of buildings, and has an excellent effect of providing a sandwich panel exhibiting excellent flame retardancy, heat insulation, sound insulation and workability.

도 1은 개시된 난연성 및 차음성이 우수한 샌드위치 패널을 나타낸 분해사시도이다.1 is an exploded perspective view showing a sandwich panel excellent flame retardancy and sound insulation disclosed.

이하에는, 본 발명의 바람직한 실시예와 각 성분의 물성을 상세하게 설명하되, 이는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 발명을 용이하게 실시할 수 있을 정도로 상세하게 설명하기 위한 것이지, 이로 인해 본 발명의 기술적인 사상 및 범주가 한정되는 것을 의미하지는 않는다.
In the following, preferred embodiments of the present invention and the physical properties of each component will be described in detail, which is intended to explain in detail enough to be able to easily carry out the invention by one of ordinary skill in the art, This does not mean that the technical spirit and scope of the present invention is limited.

개시된 난연성 및 차음성이 우수한 샌드위치 패널은 난연제가 함유된 폴리우레탄 혼합물로 이루어지는 중간층(10) 및 상기 중간층(10)의 상부면 및 하부면에 형성되며 불연성 및 경량성이 우수한 패널로 이루어진 패널층(20)으로 이루어진다.
The disclosed sandwich panel having excellent flame retardancy and sound insulation is formed on an intermediate layer 10 made of a polyurethane mixture containing a flame retardant and a panel layer formed on the upper and lower surfaces of the intermediate layer 10 and having excellent incombustibility and light weight. 20).

상기 중간층(10)은 40 내지 190 밀리미터의 두께로 형성되며, 난연제가 함유된 폴리우레탄 혼합물로 이루어지는데, 폴리우레탄 100 중량부, 난연제 1 내지 2 중량부 및 시멘트 결합제 1 내지 10 중량부로 이루어지는 것이 바람직하다.The intermediate layer 10 is formed to a thickness of 40 to 190 millimeters, and is composed of a polyurethane mixture containing a flame retardant, preferably 100 parts by weight of polyurethane, 1 to 2 parts by weight of flame retardant and 1 to 10 parts by weight of cement binder. Do.

상기 중간층(10)의 두께가 40 밀리미터 미만이면 샌드위치 패널의 단열성과 차음성이 저하되며, 상기 중간층(10)의 두께가 190 밀리미터를 초과하게 되면 샌드위치 패널의 중량이 지나치게 증가하게 바람직하지 못하다. When the thickness of the intermediate layer 10 is less than 40 millimeters, the heat insulation and sound insulation of the sandwich panel are lowered, and when the thickness of the intermediate layer 10 exceeds 190 millimeters, the weight of the sandwich panel is undesirably increased.

상기 폴리우레탄은 폴리에스터 폴리올에 기타 첨가제로 촉매제와 정포제와 발포제를 첨가한 것과 메틸렌 디이소시아네이트를 소정의 비율로 혼합하여 제조되는데, 더욱 상세하게는 폴리에스터 폴리올 100 중량부에 난연성을 향상시키고, 유독 가스의 발생을 억제하는 중탄산나트륨 50 내지 100 중량부를 혼합하여 1차 폴리올 혼합물을 제조하고, 상기 1차 폴리올 혼합물 100 중량부에 대해 단열성과 항균성 및 탈취효과를 높이기 위한 황토분말 30 내지 50 중량부와 고령토 또는 벤토나이트 20 내지 30 중량부, 촉매제 4 내지 10 중량부, 정포제 3 내지 5 중량부 및 발포제 40 내지 90 중량부를 혼합하여 2차 폴리올 혼합물을 제조하고, 상기 2차 폴리올 혼합물 100 중량부에 메틸렌 디이소시아네이트(MDI)를 80 내지 120 중량부를 혼합하고 반응시켜 제조된다.The polyurethane is prepared by adding a catalyst, foam stabilizer and foaming agent to the polyester polyol as an additive and mixing methylene diisocyanate in a predetermined ratio, more specifically, to improve flame retardancy to 100 parts by weight of polyester polyol, 50 to 100 parts by weight of sodium bicarbonate, which suppresses the generation of toxic gases, is prepared to prepare a primary polyol mixture, and 30 to 50 parts by weight of ocher powder for enhancing the thermal insulation, antibacterial and deodorizing effects with respect to 100 parts by weight of the primary polyol mixture. And 20 to 30 parts by weight of kaolin or bentonite, 4 to 10 parts by weight of catalyst, 3 to 5 parts by weight of foam stabilizer, and 40 to 90 parts by weight of foaming agent to prepare a secondary polyol mixture, and 100 parts by weight of the secondary polyol mixture. Methylene diisocyanate (MDI) is prepared by mixing 80 to 120 parts by weight and reacting.

상기 난연제는 1 내지 2 중량부가 함유되는데, 상기 폴리우레탄의 난연성능을 더욱 향상시키기 위해 첨가되는 것으로, 암모니움 포스페이트, 알루미늄 포스페이트 및 멜라민 포스페이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것이 바람직하다.The flame retardant is contained 1 to 2 parts by weight, which is added to further improve the flame retardant performance of the polyurethane, it is preferably made of one or more selected from the group consisting of ammonium phosphate, aluminum phosphate and melamine phosphate.

상기 난연제의 함량이 1 중량부 미만이면 폴리우레탄의 난연성 향상 효과가 미미하며, 상기 난연제의 함량이 3 중량부를 초과하게 되면 폴리우레탄이 발포된 후에 경화되는 시간이 증가하여 바람직하지 못하다.If the content of the flame retardant is less than 1 part by weight, the effect of improving the flame retardancy of the polyurethane is insignificant, and if the content of the flame retardant exceeds 3 parts by weight, the curing time after the polyurethane is increased is not preferable.

상기 시멘트 결합제는 1 내지 10 중량부가 함유되며, 상기 중간층(10)에 난연효과를 향상시킬 뿐만 아니라, 상기 중간층(10)과 상기 패널층(20)을 접착시키는 접착제의 역할을 하는데, 고로 슬래그 100 중량부, 수산화칼슘 5 내지 20 중량부, 탄산칼슘 3 내지 10 중량부 및 석고 3 내지 10 중량부로 이루어지는 것이 바람직하다.The cement binder contains 1 to 10 parts by weight, and improves the flame retardant effect on the intermediate layer 10, and serves as an adhesive for bonding the intermediate layer 10 and the panel layer 20 to the blast furnace slag 100 It is preferably composed of parts by weight, 5 to 20 parts by weight of calcium hydroxide, 3 to 10 parts by weight of calcium carbonate and 3 to 10 parts by weight of gypsum.

상기 시멘트 결합제의 함량이 1 중량부 미만이면 상기 중간층(10)과 상기 패널층(20)의 접착력이 저하되며, 상기 시멘트 결합제의 함량이 10 중량부를 초과하게 되면 상기 중간층(10)과 상기 패널층(20)의 접착력을 크게 향상되지 않으면서 중간층의 중량을 지나치게 증가시켜 바람직하지 못하다.
When the content of the cement binder is less than 1 part by weight, the adhesion between the intermediate layer 10 and the panel layer 20 is lowered. When the content of the cement binder exceeds 10 parts by weight, the intermediate layer 10 and the panel layer are reduced. It is not preferable to increase the weight of the intermediate layer excessively without greatly improving the adhesive force of (20).

상기 패널층(20)은 상기 중간층(10)의 상부면 및 하부면에 형성되며 불연성 및 경량성이 우수한 패널로 이루어지는데, 팽창 펄라이트가 함유된 기재층(21) 및 상기 기재층(21)의 상부면 및 하부면에 형성되는 표면층(22)으로 이루어진다.The panel layer 20 is formed on the upper and lower surfaces of the intermediate layer 10 and is made of a panel having excellent incombustibility and light weight, and includes a base layer 21 and expanded base material containing expanded pearlite. It consists of a surface layer 22 formed on the upper and lower surfaces.

상기 기재층(21)은 3 내지 100 밀리미터의 두께로 형성되며, 팽창 펄라이트가 함유되어 이루어지는데, 팽창 펄라이트 100 중량부, 상온경화형 무시멘트 결합재 조성물 80 내지 120 중량부 및 섬유소재 0.1 내지 3 중량부로 이루어지는 것이 바람직하다.The base layer 21 is formed to a thickness of 3 to 100 millimeters, and contains expanded pearlite, 100 parts by weight of expanded pearlite, 80 to 120 parts by weight of room temperature hardening cement binder composition and 0.1 to 3 parts by weight of the fiber material It is preferable to make.

상기 기재층(21)의 두께는 개시된 패널층이 적용되는 분야에 따라 가변적인데, 강도를 요구하는 부분이나 단열성을 요구하는 부분에 적용될 경우에는 기재층(21)의 두께가 두텁게 형성되는 것이 바람직하며, 유연성이나 경량성을 요구하는 부분에 적용될 경우에는 기재층(21)의 두께가 얇게 형성되는 것이 바람직하다.The thickness of the substrate layer 21 is variable depending on the field in which the disclosed panel layer is applied, but when applied to a portion requiring strength or a portion requiring heat insulation, the thickness of the substrate layer 21 is preferably thick. When applied to a part requiring flexibility or lightness, it is preferable that the thickness of the base layer 21 is formed thin.

상기 팽창 펄라이트는 진주암, 흑요석 및 경석 등으로 이루어진 그룹으로부터 선택된 광물을 0.5 내지 2 밀리미터의 입자크기로 미세하게 분쇄한 후에 900 내지 1200℃의 온도로 가열하면, 광물에 함유된 휘발성분이 가스화하여 연화된 입자의 내부에서 팽창하여 내부기공이 형성되는 과정을 통해 제조되는데, 상기와 같은 과정을 통해 제조되는 팽창 펄라이트는 본래 부피의 약 10 내지 20배 정도로 팽창하게 된다. The expanded pearlite is finely pulverized minerals selected from the group consisting of pearlite, obsidian and pumice to a particle size of 0.5 to 2 millimeters, and then heated to a temperature of 900 to 1200 ℃, the volatile components contained in the mineral gasified and softened It is prepared through the process of expanding the inside of the particles to form internal pores, the expanded pearlite prepared through the above process is to expand to about 10 to 20 times the original volume.

또한, 펄라이트는 유문암질 암석의 일종으로, 진주광택을 가진 연회색에서 암회색, 갈색, 녹색, 검은색을 띔으로 진주암이라고도 하는데, 암석의 조직에 따라 다르지만 870 내지 1100℃의 온도에서 결합수가 증발하면서 생기는 증발압력이 각각의 과립입자를 원형의 유리질입자로 변형시키기 때문에, 10 내지 20배 정도 팽창하여 상업적으로 사용할 수 있다. 이렇게 팽창된 펄라이트는 저밀도에 다공질이고, 흡수능력이 좋으며, 불연성, 흡음성, 내열성, 방음성, 경량성 및 단열성 등의 성질을 가지고 있어, 불연성, 흡음성, 내열성, 방음성, 경량성 및 단열성 등이 우수한 패널층(20)을 제공하는 역할을 한다.In addition, pearlite is a kind of rhyolite rock, and it is also called pearl rock with light gray with pearlescent to dark gray, brown, green, and black. Since the evaporation pressure transforms each granular particle into a circular vitreous particle, it can be expanded 10 to 20 times and used commercially. The expanded pearlite is porous at low density, has good absorption ability, and has properties such as nonflammability, sound absorption, heat resistance, sound insulation, light weight, and heat insulation, and is excellent in nonflammability, sound absorption, heat resistance, sound insulation, light weight, and heat insulation. Serves to provide layer 20.

상기 펄라이트의 입자크기가 0.5 밀리미터 미만이면 펄라이트를 가열하여 팽창하더라도 기공층의 형성효과가 미미하기 때문에, 경량성이나 단열성 및 방음성의 확보가 어렵고, 상기 펄라이트의 입자크기가 2 밀리미터를 초과하게 되면 골재인 팽창 펄라이트의 입자크기가 지나치게 큰 것이어서 바람직하지 못하다.If the particle size of the pearlite is less than 0.5 millimeters, the formation effect of the pore layer is insignificant even if the pearlite is heated and expanded, so it is difficult to secure lightness, insulation, and sound insulation, and when the grain size of the pearlite exceeds 2 millimeters, aggregate The particle size of the phosphorus expanded pearlite is too large, which is not preferable.

또한, 상기 상온경화형 무시멘트 결합재 조성물은 80 내지 120 중량부가 함유되며, 플라이애시, 고로 슬래그 미분말, 산화칼슘 및 염화칼슘으로 이루어지는데, 플라이애시 100 중량부, 고로 슬래그 미분말 30 내지 70 중량부, 산화칼슘 30 내지 70 중량부 및 염화칼슘 10 내지 25 중량부로 이루어지는 것이 바람직하며, 산업부산물인 플라이애시를 함유하여 친환경적이면서도, 상기 팽창 펄라이트를 강력하게 결속시키는 바인더의 역할을 하여 기계적 강도가 패널층(22)을 제공할 수 있도록 한다.In addition, the room temperature hardening cement binder composition contains 80 to 120 parts by weight, fly ash, blast furnace slag fine powder, calcium oxide and calcium chloride, 100 parts by weight of fly ash, blast furnace slag fine powder 30 to 70 parts by weight, calcium oxide It is preferably composed of 30 to 70 parts by weight and 10 to 25 parts by weight of calcium chloride, containing fly ash, which is an industrial by-product, and is environmentally friendly, acting as a binder that strongly binds the expanded pearlite, thereby providing mechanical strength to the panel layer 22. Make it available.

이때, 상기 고로 슬래그 미분말은 30 내지 70 중량부가 함유되며, 제철공정에서 발생하는 고로 슬래그를 건조하고 분쇄하여 생산되는 공산품으로서, KS 규격(KS F 2563)이 제정되어 있으며, 시중에 유통되고 있는 공산품이다. 또한, 산화제이철(Fe2O3) 성분 0.5 중량% 미만인 것이 바람직하다.At this time, the blast furnace slag fine powder contains 30 to 70 parts by weight, and is an industrial product produced by drying and crushing blast furnace slag generated in the steelmaking process, KS standard (KS F 2563) is enacted, industrial products in circulation to be. It is also preferred that the ferric oxide (Fe 2 O 3 ) component is less than 0.5% by weight.

상기 섬유소재는 0.1 내지 3 중량부가 함유되며, 길이가 3 내지 12 밀리미터인 유리섬유, 폴리에틸렌, 폴리아미드 및 폴리아라미드로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는데, 상기 팽창 펄라이트와 상기 상온경화형 무시멘트 결합재로 이루어진 혼합물 내에 상기의 성분으로 이루어진 섬유소재가 혼합되면, 상기 상온경화형 무시멘트 결합재를 잡아주는 역할을 하여 내충격성이나 압축강도 및 휨강도와 같은 기계적 물성이 월등하게 향상된 패널층이 제공될 수 있다.The fiber material contains 0.1 to 3 parts by weight, and comprises at least one selected from the group consisting of glass fibers, polyethylene, polyamides and polyaramides having a length of 3 to 12 millimeters, wherein the expanded pearlite and the room temperature hardening cementedum binder When the fiber material composed of the above components is mixed in the mixture consisting of, the panel layer may be provided with excellent mechanical properties such as impact resistance, compressive strength, and bending strength by holding the room temperature-curable cementless binder.

상기 표면층(22)은 상기 기재층(21)의 상부면 및 하부면에 0.01 내지 1 밀리미터의 두께로 형성되는데, 상기 기재층(21)이 경화되기 전에 상기 기재층(21)의 상부면 및 하부면에 표면층(22)을 적층한 상태에서 상기 기재층(21)이 경화되면 표면층(22)이 기재층(21)의 표면에 견고하여 형성되며, 상기와 같이 표면층(22)이 형성되면 기재층(21)의 표면이 고르게 형성되어 외관품질이 개선될 뿐만 아니라, 상기 기재층(21)을 다른 패널이나 건축물의 벽면에 접착체 등을 이용하여 접착하는 경우에 우수한 접착강도를 나타낼 수 있도록 하는 역할을 한다.The surface layer 22 is formed on the upper and lower surfaces of the substrate layer 21 to a thickness of 0.01 to 1 millimeter, and the upper and lower surfaces of the substrate layer 21 before the substrate layer 21 is cured. When the base layer 21 is cured while the surface layer 22 is laminated on the surface, the surface layer 22 is firmly formed on the surface of the base layer 21. When the surface layer 22 is formed as described above, the base layer Not only improves the appearance quality of the surface of the 21 is formed, but also serves to exhibit excellent adhesive strength when the base layer 21 is adhered to another panel or wall of a building using an adhesive or the like. Do it.

상기 표면층(20)의 두께가 0.01 밀리미터 미만이면 상기의 효과가 미미하며, 상기 표면층(20)의 두께가 1 밀리미터를 초과하게 되면 상기의 효과는 크게 향상되지 않으면서 패널층(20)의 두께, 중량 및 제조비용을 증가시키게 된다.If the thickness of the surface layer 20 is less than 0.01 millimeters, the above effects are insignificant, and if the thickness of the surface layer 20 exceeds 1 millimeter, the thickness of the panel layer 20 is not significantly improved, It will increase the weight and manufacturing cost.

이때, 상기 표면층(20)은 부직포, 메쉬망, 섬유재료 및 종이재료로 이루어진 그룹에서 선택된 하나로 이루어지는 것이 바람직하다.At this time, the surface layer 20 is preferably made of one selected from the group consisting of a nonwoven fabric, a mesh network, a fiber material and a paper material.

상기와 같이 기재층(21) 및 표면층(22)으로 이루어지는 패널층(20)은 팽창 펄라이트 100 중량부, 상온경화형 무시멘트 결합재 조성물 80 내지 120 중량부 및 섬유소재 0.1 내지 3 중량부를 혼합하여 혼합물을 제조하고, 롤프레스나 캐스팅 혼합방식 등을 이용하여 가로 600 내지 1200 밀리미터, 새로 1200 내지 2400 밀리미터 및 두께 3 내지 100 밀리미터로 성형하여 기재층(21)을 형성하되, 상기 기재층(21)이 경화되기 전에 부직포, 메쉬망, 섬유재료 및 종이재료 등으로 이루어진 그룹에서 선택된 하나를 상기 기재층(21)의 상부면 및 하부면에 0.01 내지 0.1 밀리미터의 두께로 적층하고 60 내지 90℃이 온도에서 6 내지 24시간 동안 습윤양생하는 과정을 통해 제조된다.
As described above, the panel layer 20 including the base layer 21 and the surface layer 22 may be mixed with 100 parts by weight of expanded pearlite, 80 to 120 parts by weight of the room temperature hardening cement binder composition, and 0.1 to 3 parts by weight of the fiber material. The substrate layer 21 is formed by forming a 600 to 1200 millimeters horizontally, a newly 1200 to 2400 millimeters, and a thickness of 3 to 100 millimeters by using a roll press or a casting mixing method, and the base layer 21 is cured. Before the process, one selected from the group consisting of a nonwoven fabric, a mesh net, a fiber material and a paper material is laminated on the upper and lower surfaces of the base layer 21 to a thickness of 0.01 to 0.1 millimeters, It is prepared through the process of wetting for 24 hours.

이하에서는, 개시된 난연성 및 차음성이 우수한 샌드위치 패널의 제조방법 및 그 제조방법을 통해 제조된 샌드위치 패널의 물성을 실시예를 들어 설명하기로 한다.
Hereinafter, a method of manufacturing a sandwich panel having excellent flame retardancy and sound insulation, and the physical properties of the sandwich panel manufactured by the method will be described.

<제조예 1> 패널층의 제조Production Example 1 Production of Panel Layer

평균 입자크기가 1 밀리미터인 팽창 펄라이트 100 중량부 상온경화형 무시멘트 결합재 조성물(플라이애시 100 중량부, 고로 슬래그 미분말 45 중량부, 산화칼슘 45 중량부 및 염화칼슘 12 중량부) 100 중량부 및 섬유소재(유리섬유) 1.5 중량부롤 혼합하여 제조된 혼합물을 롤프레스기를 이용하여 가로 900 밀리미터, 세로 1800 밀리미터 및 두께 50 밀리미터로 성형하고, 상기 성형물의 상부면 및 하부면에 두께가 0.05 밀리미터인 폴리에스터 부직포를 적층하고 75℃의 온도에서 15시간 동안 습윤양생하여 패널층을 제조하였다.
100 parts by weight of expanded pearlite having an average particle size of 1 millimeter and 100 parts by weight of a room temperature hardening cement binder composition (100 parts by weight of fly ash, 45 parts by weight of blast furnace slag powder, 45 parts by weight of calcium oxide and 12 parts by weight of calcium chloride) and a fiber material ( Glass fiber) and the mixture prepared by mixing 1.5 parts by weight of the roll to a 900 millimeters wide, 1800 millimeters long and 50 millimeters thick using a roll press, and a non-woven polyester of 0.05 millimeters thick on the upper and lower surfaces of the molding Laminating and wet curing for 15 hours at a temperature of 75 ℃ to prepare a panel layer.

<제조예 2> 패널층의 제조Production Example 2 Production of Panel Layer

상기 제조예 1과 동일하게 진행하되, 가로 900 밀리미터, 세로 1800 밀리미터 및 두께 3 밀리미터로 성형하여 패널층을 제조하였다.
Proceeded in the same manner as in Preparation Example 1, a panel layer was prepared by molding to a width of 900 millimeters, a length of 1800 millimeters and a thickness of 3 millimeters.

<제조예 3> 패널층의 제조Production Example 3 Production of Panel Layer

상기 제조예 1과 동일하게 진행하되, 가로 900 밀리미터, 세로 1800 밀리미터 및 두께 100 밀리미터로 성형하여 패널층을 제조하였다.
Proceeded in the same manner as in Preparation Example 1, a panel layer was prepared by molding to a width of 900 millimeters, a length of 1800 millimeters and a thickness of 100 millimeters.

<실시예 1> 샌드위치 패널 제조Example 1 Sandwich Panel Manufacturing

폴리에스터 폴리올 100 중량부에 중탄산나트륨 75 중량부를 혼합하여 1차 폴리올 혼합물을 제조하고, 상기 1차 폴리올 혼합물 100 중량부에 대해 황토분말 40 중량부와 고령토 25 중량부, 촉매제 7 중량부, 정포제 4 중량부 및 발포제 65 중량부를 혼합하여 2차 폴리올 혼합물을 제조하고, 상기 2차 폴리올 혼합물 100 중량부에 메틸렌 디이소시아네이트(MDI)를 100 중량부를 혼합하고 반응시켜 제조된 폴리우레탄 100 중량부에 난연제(암모니움 포스페이트) 1.5 중량부 및 시멘트 결합제(고로 슬래그 100 중량부, 수산화칼슘 12 중량부, 탄산칼슘 7 중량부 및 석고 7 중량부) 5 중량부를 혼합하여 중간층을 제조한 후에, 상기 중간층의 상부면 및 하부면에 상기 제조예 1을 통해 제조된 패널층을 적층하여 난연성 및 차음성이 우수한 샌드위치 패널을 제조하였다.
75 parts by weight of sodium bicarbonate was mixed with 100 parts by weight of polyester polyol to prepare a primary polyol mixture, based on 100 parts by weight of the primary polyol mixture, 40 parts by weight of ocher powder, 25 parts by weight of kaolin, 7 parts by weight of catalyst and foam stabilizer. A mixture of 4 parts by weight and 65 parts by weight of a blowing agent was prepared to prepare a secondary polyol mixture, and 100 parts by weight of methylene diisocyanate (MDI) was mixed and reacted with 100 parts by weight of the secondary polyol mixture to prepare 100 parts by weight of a flame retardant. (Ammonium Phosphate) After mixing 1.5 parts by weight and 5 parts by weight of cement binder (100 parts by weight of blast furnace slag, 12 parts by weight of calcium hydroxide, 7 parts by weight of calcium carbonate and 7 parts by weight of gypsum) to prepare an intermediate layer, the upper surface of the intermediate layer And laminated to the panel layer prepared in Preparation Example 1 on the lower surface to prepare a sandwich panel excellent in flame retardancy and sound insulation.

<실시예 2> 샌드위치 패널 제조Example 2 Sandwich Panel Manufacturing

상기 실시예 1과 동일하게 진행하되, 상기 제조예 2를 통해 제조된 패널층을 적층하여 난연성 및 차음성이 우수한 샌드위치 패널을 제조하였다.
Proceed in the same manner as in Example 1, by stacking the panel layer prepared in Preparation Example 2 to prepare a sandwich panel excellent flame retardancy and sound insulation.

<실시예 3> 샌드위치 패널 제조Example 3 Sandwich Panel Manufacturing

상기 실시예 1과 동일하게 진행하되, 상기 제조예 3을 통해 제조된 패널층을 적층하여 난연성 및 차음성이 우수한 샌드위치 패널을 제조하였다.
Proceed in the same manner as in Example 1, by stacking the panel layer prepared in Preparation Example 3 to prepare a sandwich panel excellent flame retardancy and sound insulation.

상기 제조예 1 내지 3을 통해 제조된 패널층의 압축강도, 휨강도, 단열성 및 불연성을 측정하여 아래 표 1에 나타내었다.Compressive strength, flexural strength, thermal insulation and non-combustibility of the panel layers manufactured through the above Preparation Examples 1 to 3 were measured and shown in Table 1 below.

(단, 압축강도는 KS F 2405, 휨강도는 KS F 2408, 단열성은 KS F 4724 및 불연성은 KS F 2271의 측정방법을 이용하였다.)
(However, the compressive strength of KS F 2405, flexural strength of KS F 2408, insulation of KS F 4724 and nonflammability of KS F 2271 were measured.)

<표 1>TABLE 1

Figure pat00001
Figure pat00001

위에 표 1에 나타낸 것처럼, 개시된 제조예 1 내지 3을 통해 제조된 패널층은 팽창 펄라이트가 함유되어 중량이 가벼울 뿐만 아니라 단열성 및 불연성이 우수하고, 상온경화형 무시멘트 결합재 조성물이 함유되어 압축강도 및 휨강도와 같은 기계적 물성이 우수한 것을 알 수 있으며, 상기의 물성을 나타내는 패널층이 적용된 실시예 1 내지 3의 샌드위치 패널은 난연성 및 차음성이 우수하게 형성된다.
As shown in Table 1 above, the panel layer prepared through the disclosed Production Examples 1 to 3 contains expanded pearlite, which is light in weight, excellent in heat insulation and non-combustibility, and contains a room temperature-curable cementless binder composition, thereby providing compressive strength and flexural strength. It can be seen that the excellent mechanical properties, such as the sandwich panel of the embodiment 1 to 3 to which the panel layer showing the above properties is formed excellent flame retardancy and sound insulation.

따라서, 상기와 같은 물성을 나타내는 패널층(20)이 상부면 및 하부면에 적층되며, 폴리우레탄을 제조하는 과정에서 난연성 재료가 첨가될 뿐만 아니라, 난연제와 시멘트 결합제가 별도로 첨가되어 우수한 난연성능을 나타내는 중간층(10)이 적용되기 때문에, 개시된 샌드위치 패널은 건물의 외장용으로 사용가능한 기계적 물성을 나타내며, 우수한 난연성, 단열성, 차음성 및 작업성을 나타낸다.
Therefore, the panel layer 20 having the above properties is laminated on the upper and lower surfaces, and a flame retardant material is added in the process of manufacturing polyurethane, and a flame retardant and a cement binder are separately added to provide excellent flame retardant performance. Since the interlayer 10 shown is applied, the disclosed sandwich panel exhibits mechanical properties usable for the exterior of a building and exhibits excellent flame retardancy, insulation, sound insulation and workability.

10 ; 중간층
20 ; 패널층
21 ; 기재층
22 ; 표면층10; Mezzanine
20; Panel layer
21; Substrate layer
22; Surface layer

Claims (8)

난연제가 함유된 폴리우레탄 혼합물로 이루어지는 중간층; 및
상기 중간층의 상부면 및 하부면에 형성되며 불연성 및 경량성이 우수한 패널로 이루어진 패널층;으로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
An intermediate layer made of a polyurethane mixture containing a flame retardant; And
Sandwich panel excellent flame retardancy and sound insulation, characterized in that consisting of; the panel layer formed on the upper and lower surfaces of the intermediate layer and made of a panel having excellent incombustibility and light weight.
청구항 1에 있어서,
상기 난연제가 함유된 폴리우레탄 혼합물은 폴리우레탄 100 중량부, 난연제 1 내지 2 중량부 및 시멘트 결합제 1 내지 10 중량부로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 1,
The flame retardant-containing polyurethane mixture is 100 parts by weight of polyurethane, 1 to 2 parts by weight of flame retardant and 1 to 10 parts by weight of cement binder, sandwich panels excellent in flame retardancy and sound insulation, characterized in that.
청구항 2에 있어서,
상기 시멘트 결합제는 고로 슬래그 100 중량부, 수산화칼슘 5 내지 20 중량부, 탄산칼슘 3 내지 10 중량부 및 석고 3 내지 10 중량부로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 2,
The cement binder is blast furnace slag 100 parts by weight, calcium hydroxide 5 to 20 parts by weight, calcium carbonate 3 to 10 parts by weight and gypsum 3 to 10 parts by weight of the sandwich panel excellent flame retardancy and sound insulation, characterized in that.
청구항 1에 있어서,
상기 패널층은 팽창 펄라이트가 함유된 기재층; 및
상기 기재층의 상부면 및 하부면에 형성되는 표면층;으로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 1,
The panel layer may include a base layer containing expanded pearlite; And
Sandwich panel excellent flame retardancy and sound insulation, characterized in that consisting of; surface layer formed on the upper and lower surfaces of the base layer.
청구항 4에 있어서,
상기 기재층은 팽창 펄라이트 100 중량부, 상온경화형 무시멘트 결합재 조성물 80 내지 120 중량부 및 섬유소재 0.1 내지 3 중량부로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 4,
The substrate layer is 100 parts by weight of expanded pearlite, 80 to 120 parts by weight of the room temperature hardening cement binder composition, and 0.1 to 3 parts by weight of the fiber material, characterized in that the sandwich panel excellent flame retardancy and sound insulation.
청구항 5에 있어서,
상기 상온경화형 무시멘트 결합재 조성물은 플라이애시 100 중량부, 고로 슬래그 미분말 30 내지 70 중량부, 산화칼슘 30 내지 70 중량부 및 염화칼슘 10 내지 25 중량부로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 5,
The room temperature-curable cementless binder composition is 100 parts by weight of fly ash, blast furnace slag fine powder 30 to 70 parts by weight, calcium oxide 30 to 70 parts by weight and calcium chloride 10 to 25 parts by weight of excellent sandwich flame retardant and sound insulation, characterized in that .
청구항 5에 있어서,
상기 섬유소재는 유리섬유, 폴리에틸렌, 폴리아미드 및 폴리아라미드로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.
The method according to claim 5,
The fiber material is a sandwich panel excellent flame retardancy and sound insulation, characterized in that made of at least one selected from the group consisting of glass fibers, polyethylene, polyamide and poly aramid.
청구항 4에 있어서,
상기 표면층은 부직포, 메쉬망, 섬유층 및 종이재료로 이루어진 그룹에서 선택된 하나로 이루어지는 것을 특징으로 하는 난연성 및 차음성이 우수한 샌드위치 패널.The method according to claim 4,
The surface layer is a sandwich panel having excellent flame retardancy and sound insulation, characterized in that made of one selected from the group consisting of a nonwoven fabric, a mesh network, a fiber layer and a paper material.
KR1020180042441A 2018-04-12 2018-04-12 Sandwich panel having excellent noise-blocking and flame resistance KR20190119687A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022000949A1 (en) * 2020-06-28 2022-01-06 北新集团建材股份有限公司 Paper faced gypsum board and preparation method therefor
KR20220053727A (en) 2020-10-22 2022-05-02 (주)이지켐 Composite cotton material with excellent bonding power with foam

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200426021Y1 (en) 2006-04-06 2006-09-18 덕유패널 주식회사 Fire retardant metal panel
KR20160148218A (en) 2015-06-16 2016-12-26 이병구 Flame-retardant sandwich panel for construction materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200426021Y1 (en) 2006-04-06 2006-09-18 덕유패널 주식회사 Fire retardant metal panel
KR20160148218A (en) 2015-06-16 2016-12-26 이병구 Flame-retardant sandwich panel for construction materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022000949A1 (en) * 2020-06-28 2022-01-06 北新集团建材股份有限公司 Paper faced gypsum board and preparation method therefor
KR20220053727A (en) 2020-10-22 2022-05-02 (주)이지켐 Composite cotton material with excellent bonding power with foam

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