KR102097208B1 - Exterior insulation with excellent fire safety using corrugated urethane foam board and polyurea - Google Patents

Exterior insulation with excellent fire safety using corrugated urethane foam board and polyurea Download PDF

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KR102097208B1
KR102097208B1 KR1020180085267A KR20180085267A KR102097208B1 KR 102097208 B1 KR102097208 B1 KR 102097208B1 KR 1020180085267 A KR1020180085267 A KR 1020180085267A KR 20180085267 A KR20180085267 A KR 20180085267A KR 102097208 B1 KR102097208 B1 KR 102097208B1
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foam board
polyurea
corrugated
urethane foam
fire safety
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KR1020180085267A
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Korean (ko)
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KR20200010779A (en
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김재신
김성수
신진수
신계호
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주식회사 한양콘텍
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/762Exterior insulation of exterior walls
    • E04B1/7625Details of the adhesive connection of the insulation to the wall
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J1/00Adhesives based on inorganic constituents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04Homopolymers or copolymers of ethene
    • C09J123/08Copolymers of ethene
    • C09J123/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853Vinylacetate
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/941Building elements specially adapted therefor
    • E04B1/942Building elements specially adapted therefor slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

본 발명은 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재를 개시한다. 이러한 본 발명은 난연성의 우레탄 폼보드와 폴리우레아를 포함하는 외단열재를 구성한 것이고, 이에따라 EPS보드를 사용하는 외단열재 대비 단열효과를 높이면서 화재 안정성을 높이고, 단열 두께의 축소를 통해 건축 면적의 효율적인 사용이 가능하도록 함은 물론, 외부 충격에 강한 내력을 가질 수 있도록 하면서 태풍이나 외력 또는 지진 등에 의해 외단열재가 콘크리트 바탕면으로부터 탈락하거나 변형 또는 훼손되는 것을 방지하여 반영구적 사용이 가능한 것이다.The present invention discloses an outer heat insulating material having excellent fire safety using a corrugated urethane foam board and polyurea. The present invention constitutes an outer heat insulating material comprising a flame-retardant urethane foam board and polyurea, thereby increasing the fire stability while increasing the insulation effect compared to an outer heat insulating material using an EPS board, and reducing the thickness of the insulation to make the construction area efficient. It is possible to use, as well as to have a strong internal strength against external impact, and it is possible to use the semi-permanently by preventing the external insulation material from being dropped, deformed or damaged by a typhoon, external force, or earthquake.

Description

골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재 {Exterior insulation with excellent fire safety using corrugated urethane foam board and polyurea}{Exterior insulation with excellent fire safety using corrugated urethane foam board and polyurea}

본 발명은 건축물의 외벽체에 설치되는 외단열재에 관한 것으로, 보다 상세하게는 외벽을 만들 때 단열재료로 난연성으로 이루어진 우레탄 폼보드와 폴리우레아를 적용하여, 기존 외단열재보다 단열효과를 상승시킴은 물론, 단열 두께를 축소시켜 건축 면적의 효율적인 사용을 가능하게 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재에 관한 것이다.The present invention relates to an outer heat insulating material installed on the outer wall of a building, and more specifically, to apply the urethane foam board and polyurea made of flame retardant as an insulating material when making the outer wall, to increase the insulation effect than the existing outer heat insulating material, of course , Corrugated urethane foam board that enables efficient use of construction area by reducing the thickness of insulation, and relates to an outer heat insulating material with excellent fire safety using polyurea.

단열재는 내단열재와 외단열재로 구분되는데, 이러한 단열재는 열의 흐름(온도가 높은 곳에서 낮은 곳으로 이동)을 방지하고, 불연성, 단열성, 흡음성을 가지는 구조체를 총칭하는 것으로, 이는 주택이나 빌딩 등의 건축물에 주로 쓰이며, 기계 설비나 플랜트 공사, 차량이나 선박, 냉동 창고, 가전 제품 등의 보온 및 보냉용으로 사용할 수 있는 것이다Insulating materials are divided into inner and outer insulating materials, and these insulating materials collectively refer to structures that prevent heat flow (moving from a high temperature to a low temperature) and have non-combustibility, heat insulation, and sound absorption properties. It is mainly used for buildings, and can be used for heat preservation and cooling of machinery and plant construction, vehicles and ships, freezers, and home appliances.

이때, 주택이나 빌딩 등의 건축물에는 외부로부터의 열을 차단하거나 내부 열이 방출되는 것을 방지하기 위해 외단열재를 사용하고 있으며, 상기 외단열재는 열의 이동을 감소시켜 열의 손실이나 열 획득을 줄여 에너지를 절약하면서, 표면 온도 강화로 나타나는 표면 결로를 방지하고, 냉난방이 필요없거나 불가능할 때 실내 온도의 변동을 줄여 주는 것이다.At this time, in buildings such as houses or buildings, external heat insulating materials are used to block heat from the outside or to prevent heat from being discharged, and the external heat insulating materials reduce heat transfer to reduce heat loss or heat gain to reduce energy. While saving, it prevents surface condensation caused by surface temperature enhancement and reduces fluctuations in room temperature when air conditioning is not required or possible.

즉, 외단열재는 건물 외피의 열 획득과 열 손실을 감소시킴으로써 실내 환경적 측면과 경제적 측면에서 여러가지 이점을 제공하고, 실내 환경적 이점으로는 실내 공기의 온도를 노점 온도보다 높게 유지시켜 거주자에게 악영향을 미칠 수 있는 결로 현상을 방지하고 이로인한 마감재 훼손을 방지시키는 것이다.That is, the outer heat insulating material provides various advantages in terms of indoor environment and economy by reducing the heat gain and heat loss of the building envelope, and the indoor environment advantage adversely affects residents by maintaining the temperature of the indoor air higher than the dew point temperature. It is to prevent the condensation phenomenon that can cause damage and to prevent damage to the finishing material.

한편, 상기에서 설명하는 외단열재로는 통상적으로 비드법 단열재로 외부 마감이 용이하고 열관류율이 낮은 EPS보드(스티로폼)가 주로 사용되는데, 상기 EPS보드는 발포성 합성수지로서 건축물의 내,외벽 또는 천장이나 바닥면에 부착된 상태에서 차음과 단열 기능을 한다.On the other hand, as the external insulation material described above, an EPS board (Styrofoam), which is easily externally closed and has a low heat permeability, is mainly used as a bead method insulation material. It has sound insulation and heat insulation while attached to the surface.

즉, 첨부된 도 1에서와 같이, 외단열재(200)는 외벽 구조체(100)에 방수 코팅제를 도포시킨 방수코팅층(201)을 형성한 후, 상기 방수코팅층(201)에 접착제(202)를 이용하여 EPS보드(203)를 접착시킨 다음, 상기 EPS보드(203)에 메쉬망(204)과 베이스 코트(205)를 적층 구성한 후 마감재(206)로 마감하여 형성될 수 있는 것이다.That is, as shown in the attached Figure 1, the outer heat insulating material 200 is formed of a waterproof coating layer 201 coated with a waterproof coating agent on the outer wall structure 100, and then using the adhesive 202 on the waterproof coating layer 201 After bonding the EPS board 203, it may be formed by forming a mesh net 204 and a base coat 205 in the EPS board 203 in a lamination and finishing with a finishing material 206.

그러나, 단열재로 사용되는 기존의 EPS보드는 차음 및 단열 측면에서 어느 정도 효과를 볼 수 있으나, 화재에 취약하고, 두께가 두꺼운 관계로 건축 면적을 효율적으로 사용하지 못하는 문제가 있었다.However, the existing EPS board used as a heat insulating material can have a certain effect in terms of sound insulation and heat insulation, but is vulnerable to fire and has a problem in that it cannot efficiently use a building area due to its thick thickness.

즉, 상기와 같이 EPS보드를 사용하는 외단열재는 화재시 화염에 의해 쉽게 붕괴됨은 물론, 화염을 급속도로 번지게 하는 요인으로 작용하는 등 화재에 취약한 단점을 가지고 있었다.That is, as described above, the outer heat insulating material using the EPS board has a disadvantage of being vulnerable to fire, such as being easily collapsed by a flame during a fire, and acting as a factor to rapidly spread the flame.

등록실용신안공보 제20-0409418호(등록일 2006.02.15)Utility Model Registration No. 20-0409418 (Registration Date 2006.02.15)

등록실용신안공보 제20-0418758호(등록일 2006.06.07)Registration Utility Model Publication No. 20-0418758 (Registration Date 2006.06.07)

등록특허공보 제10-0614511호(등록일 2006.08.14)Registered Patent Publication No. 10-0614511 (Registration Date 2006.08.14)

등록실용신안공보 제20-0429648호(등록일 2006.10.19)Registered Utility Model Publication No. 20-0429648 (Registration Date 2006.10.19)

공개특허공보 제10-2014-0039817호(공개일 2014.04.02)Publication Patent Publication No. 10-2014-0039817 (published 2014.04.02)

따라서, 본 발명은 상기와 같은 종래의 문제점을 개선하기 위한 것으로, 난연성의 우레탄 폼보드와 폴리우레아를 포함하는 외단열재를 구성하여, EPS보드를 사용하는 외단열재 대비 단열효과를 높이면서 화재 안정성을 높이고, 단열 두께의 축소를 통해 건축 면적의 효율적인 사용이 가능하도록 함은 물론, 외부 충격에 강한 내력을 가질 수 있도록 하면서 태풍이나 외력 또는 지진 등에 의해 외단열재가 콘크리트 바탕면으로부터 탈락하거나 변형 또는 훼손되는 것을 방지하여 반영구적 사용이 가능한 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재를 제공하려는데 그 목적이 있는 것이다.Accordingly, the present invention is to improve the conventional problems as described above, and constitutes an outer heat insulating material including a flame-retardant urethane foam board and polyurea, thereby improving fire stability while increasing insulation effect compared to an outer heat insulating material using an EPS board. By increasing and reducing the insulation thickness, it is possible to efficiently use the building area, as well as to have a strong proof against external shocks, while the external insulation material is dropped, deformed, or damaged by the typhoon, external force, or earthquake. The aim is to provide an outer heat insulating material with excellent fire safety using a corrugated urethane foam board and polyurea that can be used semi-permanently by preventing it.

상기 목적 달성을 위한 본 발명의 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재는, 콘크리트 바탕면의 표면에 도포되는 것으로서, 시멘트 100㎏, 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.36㎏ 을 배합하여, 28일 부착 강도 2.39를 유지하는 몰탈로 이루어진 시멘트 풀인 제 1 접착층; 상기 제 1 접착층을 통해 상기 콘크리트 바탕면의 표면에 접착 고정되는 PUR 폼보드; 상기 PUR 폼보드의 표면에 도포되는 제 2 접착층; 및, 상기 제 2 접착층을 통해 상기 PUR 폼보드의 표면에 접착 고정되는 수지 도막 방수층; 을 포함하는 것이다.The outer heat insulating material having excellent fire safety using the corrugated urethane foam board and polyurea of the present invention for achieving the above object is applied to the surface of a concrete base surface, 100 kg of cement, 20 kg of silica, resin (EVA resin) 50 A first adhesive layer of cement paste made of mortar that maintains a bond strength of 2.39 for 28 days by mixing kg, water 10 kg, and fiber (PVA fiber-4 mm) 0.36 kg; A PUR foam board adhesively fixed to the surface of the concrete base surface through the first adhesive layer; A second adhesive layer applied to the surface of the PUR foam board; And a resin coating film waterproofing layer adhesively fixed to the surface of the PUR foam board through the second adhesive layer. It is to include.

삭제delete

또한, 상기 PUR 폼보드의 표면에는 외부 충격에 대한 강한 내력을 가지도록 표면 처리 공정을 거쳐 삼각형 골 무늬가 반복 형성되는 것이다.In addition, the surface of the PUR foam board is repeatedly formed with a triangular valley pattern through a surface treatment process to have a strong proof against external impact.

또한, 상기 제 2 접착층은 RCF(Recycled Carbon Fiber)와 나일론 섬유 및 수지류를 혼합한 습기 경화형 프라이머인 것이다.In addition, the second adhesive layer is a moisture-curable primer in which RCF (Recycled Carbon Fiber) and nylon fibers and resins are mixed.

또한, 상기 수지 도막 방수층은 마감재로서 일정한 인장강도와 신장율을 가지는 난연성 폴리우레아 수지 방수제를 스프레이 방식으로 도포시켜 형성하는 것이다.In addition, the waterproof layer of the resin coating film is formed by applying a flame retardant polyurea resin waterproofing agent having a constant tensile strength and elongation as a finishing material by a spray method.

이와 같이, 본 발명은 난연성의 우레탄 폼보드와 폴리우레아를 포함하는 외단열재를 구성한 것이며, 이를 통해 EPS보드를 사용하는 외단열재 대비 단열효과를 높이면서 화재 안정성을 높이고, 단열 두께의 축소를 통해 건축 면적의 효율적인 사용이 가능하도록 함은 물론, 외부 충격에 강한 내력을 가질 수 있도록 하면서 태풍이나 외력 또는 지진 등에 의해 외단열재가 콘크리트 바탕면으로부터 탈락하거나 변형 또는 훼손되는 것을 방지하여 반영구적 사용이 가능한 효과를 기대할 수 있는 것이다.As described above, the present invention constitutes an outer heat insulating material including a flame-retardant urethane foam board and polyurea, thereby increasing fire stability while increasing the insulation effect compared to an outer heat insulating material using an EPS board, and building through reduction of the insulation thickness. It is possible to use the area efficiently, as well as to have strong internal strength against external impact, and prevent the external insulation material from being dropped, deformed, or damaged by typhoons, external forces, or earthquakes, thereby allowing semi-permanent use. You can expect.

본 발명의 효과들은 이상에서 언급한 효과들로 제한되지 않으며, 언급되지 않은 또 다른 효과들은 청구범위의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will become apparent to those skilled in the art from the description of the claims.

도 1은 종래 외단열재의 구조를 보인 단면 개략도.
도 2는 본 발명의 실시예에 따른 외단열재 구조를 보인 단면 개략도.
1 is a schematic cross-sectional view showing the structure of a conventional outer heat insulating material.
Figure 2 is a schematic cross-sectional view showing the outer heat insulating material structure according to an embodiment of the present invention.

이하, 첨부된 도면을 참조하여 본 발명의 실시예를 설명하기로 한다.Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명의 실시예에 따른 외단열재 구조를 보인 단면 개략도를 도시한 것이다.2 is a schematic cross-sectional view showing an outer heat insulating material structure according to an embodiment of the present invention.

첨부된 도 2를 참조하면, 본 발명의 실시예에 따른 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재(A)는 콘크리트 바탕면(1)에 시공되는 것으로, 제 1 접착층(10), 난연성의 PUR(polyurethane) 폼보드(20), 제 2 접착층(30), 그리고 난연성의 수지 도막 방수층(40)을 포함하는 것이다.2, the outer heat insulating material (A) excellent in fire safety using a corrugated urethane foam board and polyurea according to an embodiment of the present invention is to be installed on the concrete base surface (1), the first adhesive layer ( 10), a flame-retardant PUR (polyurethane) foam board 20, a second adhesive layer 30, and a flame-retardant resin coating film waterproof layer 40.

상기 제 1 접착층(10)은 상기 콘크리트 바탕면(1)의 표면에 도포되는 것으로, 이는 몰탈로 이루어진 시멘트 풀인 것이다.The first adhesive layer 10 is applied to the surface of the concrete base surface 1, which is a cement paste made of mortar.

즉, 상기 제 1 접착층(10)은 아래 [표 1]의 실시예 1에서와 같이, 시멘트 100㎏, 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.36㎏ 을 배합한 것으로, 이는 약 28일 부착 강도 2.39를 유지할 수 있는 것이다.That is, the first adhesive layer 10, as in Example 1 of Table 1 below, cement 100kg, silica 20kg, resin (EVA resin) 50kg, water 10kg, fiber (PVA fiber-4mm) 0.36 kg is blended, which can maintain the adhesion strength of 2.39 for about 28 days.

[표 1][Table 1]

Figure 112018072426970-pat00001
Figure 112018072426970-pat00001

[표 2][Table 2]

Figure 112018072426970-pat00002
Figure 112018072426970-pat00002

상기 [표 1]에서 비교예 1은, 시멘트 100㎏에 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏을 배합하고, 섬유(PVA 섬유-4mm)를 배합하지 않을 경우, 이는 약 28일 부착 강도 1.55를 유지하는 것을 확인할 수 있었으며, 이에따라 본 발명의 실시예 1에 따른 제 1 접착층(10)은 비교예 1에 비해 54%의 부착강도를 향상시킬 수 있음을 확인할 수 있었다.Comparative Example 1 in [Table 1], when mixing 100 kg of cement, 20 kg of silica, 50 kg of resin (EVA resin), and 10 kg of water, and not mixing fibers (PVA fiber-4 mm), this is about 28. It was confirmed that the adhesion strength was maintained at 1.55, and accordingly, it was confirmed that the first adhesive layer 10 according to Example 1 of the present invention could improve the adhesion strength of 54% compared to Comparative Example 1.

상기 [표 1]에서 비교예 2는, 시멘트 100㎏에 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏을 배합하고, 섬유(PVA 섬유-4mm) 0.18㎏을 배합한 것으로, 이는 약 28일 부착 강도 2.21을 유지하는 것을 확인할 수 있었으며, 이에 따라 본 발명의 실시예 1에 따른 제 1 접착층(10)의 부착강도에 근접하다는 것을 확인할 수 있었다.Comparative Example 2 in [Table 1], 20 kg of silica, 50 kg of resin (EVA resin), and 10 kg of water were mixed with 100 kg of cement, and 0.18 kg of fibers (PVA fiber-4 mm) were mixed. It was confirmed that the adhesion strength of 2.21 was maintained on the 28th, and thus, it was confirmed that the adhesion strength of the first adhesive layer 10 according to Example 1 of the present invention was close.

상기 [표 1]에서 비교예 3은, 시멘트 100㎏에 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏. 섬유(PVA 섬유-6mm) 0.18㎏을 배합한 것으로, 이는 약 28일 부착 강도 2.01을 유지하는 것을 확인할 수 있었다.In Table 1, Comparative Example 3 is 100 kg of cement, 20 kg of silica, 50 kg of resin (EVA resin), and 10 kg of water. 0.18 kg of fiber (PVA fiber-6 mm) was blended, which confirmed that the adhesion strength of 2.01 was maintained for about 28 days.

상기 [표 1]에서 비교예 4는, 시멘트 100㎏에 규사 20㎏, 수지(EVR수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-6mm) 0.36㎏을 배합한 것으로, 이는 약 28일 부착 강도 2.25를 유지하는 것을 확인할 수 있었다.Comparative Example 4 in [Table 1], 20 kg of silica, 100 kg of resin (EVR resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-6 mm) were mixed with 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 2.25.

상기 [표 1]에서 비교예 5는, 시멘트 100㎏에 규사 20㎏, 수지(SBR수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.18㎏을 배합한 것으로, 이는 약 28일 동안 1.58의 부착 강도를 유지하는 것을 확인할 수 있었다.Comparative Example 5 in [Table 1], 20 kg of silica, 100 kg of resin (SBR resin), 10 kg of water, and 0.18 kg of fiber (PVA fiber-4 mm) were mixed with 100 kg of cement, which was for about 28 days. It was confirmed that the adhesion strength of 1.58 was maintained.

상기 [표 1]에서 비교예 6은, 시멘트 100㎏에 규사 20㎏, 수지(SBR수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.36㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.71을 유지하는 것을 확인할 수 있었다.Comparative Example 6 in [Table 1], 20 kg of silica, 100 kg of resin (SBR resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-4 mm) were added to 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 1.71.

상기 [표 2]에서 비교예 7은, 시멘트 100㎏에 규사 20㎏, 수지(SBR수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-6mm) 0.18㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.66을 유지하는 것을 확인할 수 있었다.Comparative Example 7 in [Table 2], 20 kg of silica, 100 kg of resin (SBR resin), 10 kg of water, 0.18 kg of fiber (PVA fiber-6 mm) to 100 kg of cement, which is attached for about 28 days It was confirmed that the strength was maintained at 1.66.

상기 [표 2]에서 비교예 8은, 시멘트 100㎏에 규사 20㎏, 수지(SBR수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-6mm) 0.36㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.81을 유지하는 것을 확인할 수 있었다.Comparative Example 8 in [Table 2], 20 kg of silica, 50 kg of resin (SBR resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-6 mm) were added to 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 1.81.

상기 [표 2]에서 비교예 9는, 시멘트 100㎏에 규사 20㎏, 수지(아크릴수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.18㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.63을 유지하는 것을 확인할 수 있었다.Comparative Example 9 in [Table 2], 20 kg of silica, 50 kg of resin (acrylic resin), 10 kg of water, and 0.18 kg of fiber (PVA fiber-4 mm) were added to 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 1.63.

상기 [표 2]에서 비교예 10은, 시멘트 100㎏에 규사 20㎏, 수지(아크릴수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.36㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.99를 유지하는 것을 확인할 수 있었다.In Table 2, Comparative Example 10 is a mixture of 20 kg of silica sand, 50 kg of resin (acrylic resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-4 mm) to 100 kg of cement, which is attached for about 28 days. It was confirmed that the strength was maintained at 1.99.

상기 [표 2]에서 비교예 11은, 시멘트 100㎏에 규사 20㎏, 수지(아크릴수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-6mm) 0.18㎏을 배합한 것으로, 이는 약 28일 부착 강도 1.66을 유지하는 것을 확인할 수 있었다.Comparative Example 11 in [Table 2], 20 kg of silica, 100 kg of resin (acrylic resin), 10 kg of water, and 0.18 kg of fiber (PVA fiber-6 mm) were added to 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 1.66.

상기 [표 2]에서 비교예 12는, 시멘트 100㎏에 규사 20㎏, 수지(아크릴수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-6mm) 0.36㎏을 배합한 것으로, 이는 약 28일 부착 강도 2.22를 유지하는 것을 확인할 수 있었다.Comparative Example 12 in [Table 2], 20 kg of silica, 50 kg of resin (acrylic resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-6 mm) were added to 100 kg of cement, which was attached for about 28 days. It was confirmed that the strength was maintained at 2.22.

즉, 본 발명의 실시예에 따른 제 1 접착층(10)은 [표 1]의 실시예 1에서와 같이 시멘트와 규사 및 수지, 그리고 물과 섬유의 배합비를 가지면서 2.39의 부착강도를 유지하는 것이 바람직하지만, 비교예 2,4,12와 같은 배합비를 통해 2.21∼2.25 범위내의 부착강도를 유지할 수도 있는 것이다.That is, the first adhesive layer 10 according to the embodiment of the present invention has a mixing ratio of cement, silica and resin, and water and fiber as in Example 1 of [Table 1], and maintains an adhesion strength of 2.39. Although preferred, it is also possible to maintain the adhesion strength in the range of 2.21 to 2.25 through the same mixing ratio as Comparative Examples 2, 4 and 12.

상기 PUR 폼보드(20)는 [표 1]의 실시예 1에서와 같은 부착강도를 가지는 상기 제 1 접착층(10)을 통해 상기 콘크리트 바탕면(1)의 표면에 접착 고정되는 것으로, 첨부된 도 3에서와 같이 표면에는 외부 충격에 대한 강한 내력을 가지도록 표면 처리 공정을 거쳐 삼각형 골 무늬(21)를 반복 형성한 것이다.The PUR foam board 20 is to be fixed to the surface of the concrete base surface 1 through the first adhesive layer 10 having the adhesion strength as in Example 1 of [Table 1], the attached figure As in 3, the surface is subjected to a surface treatment process so as to have a strong proof against external shocks, and the triangular valley pattern 21 is repeatedly formed.

이때, 상기 삼각형 골 무늬(21)는 첨부된 도 3a와 같이 골판 간격이 15mm이거나, 첨부된 도 3b에서와 같이 골판간격이 10mm, 또는 첨부된 도 3c에서와 같이 골판간격이 5mm로서, 상기와 같은 골판간격을 통해 각각 0.27MPa, 023MPa, 0.21MPa의 부착강도를 가질 수 있으며, 바람직하게는 첨부된 도 3a와 같이 0.27MPa의 부착강도를 가지도록 상기 PUR 폼보드(20)에 형성되는 삼각형 골 무늬(21)의 골판간격은 15mm를 가지도록 하는 것이 가장 바람직하다.At this time, the triangular corrugated pattern 21 has a corrugated plate spacing of 15 mm as shown in the attached FIG. 3A, a corrugated plate spacing of 10 mm as in the attached FIG. 3B, or a corrugated plate spacing of 5 mm as in the attached FIG. 3C. Triangular bones formed on the PUR foam board 20 may have an adhesion strength of 0.27 MPa, 023 MPa, 0.21 MPa, respectively, through the same bone spacing, and preferably have an adhesion strength of 0.27 MPa as shown in FIG. 3A attached. It is most preferable that the corrugated plate spacing of the pattern 21 is 15 mm.

여기서, 상기와 같은 삼각형 골 무늬(21)를 형성하지 않을 경우, 그 부착강도는 0.19MPa로서 이는 탈거의 문제를 가질 수 밖에 없는 것이다.Here, when the triangular valley pattern 21 as described above is not formed, the attachment strength is 0.19 MPa, which is inevitable to have a problem of stripping.

상기 제 2 접착층(30)은 상기 PUR 폼보드(20)의 표면에 도포되는 것으로, 이는 RCF(Recycled Carbon Fiber)와 나일론 섬유 및 수지류를 혼합한 습기 경화형 프라이머인 것이다.The second adhesive layer 30 is applied to the surface of the PUR foam board 20, which is a moisture-curable primer obtained by mixing Recycled Carbon Fiber (RCF), nylon fibers, and resins.

즉, 상기 습기 경화형 프라이머는 외부 및 몰탈 내부에 잠재된 습한 환경에서도 우수한 접착 강도를 유지할 수 있는 것이다.That is, the moisture-curable primer is capable of maintaining excellent adhesive strength even in humid environments latent inside and outside the mortar.

상기 수지 도막 방수층(40)은 상기 제 2 접착층(30)을 통해 상기 PUR 폼보드(20)의 표면에 접착 고정되는 것으로, 일정한 인장강도와 신장율을 가지는 난연성과 습기경화형 폴리우레아로 이루어진 마감재인 것이다.The resin coating film waterproof layer 40 is adhesively fixed to the surface of the PUR foam board 20 through the second adhesive layer 30, and is a finishing material made of flame retardant and moisture-curable polyurea having constant tensile strength and elongation. .

이때, 난연성과 습기경화형 폴리우레아 방수제로 이루어진 상기 수지 도막 방수층(40)을 스프레이 방식으로 도포시킬 때 작업 온도는 5∼55℃ 범위내로 정하는 것이 바람직하며, 공기 중의 습기와 반응하여 경화하므로 상대습도 85% 이하에서 작업하는 것이 바람직한 것으로서, 그 이유는 허용 온도나 습도를 벗어나면 제대로 된 흡착이 되지 않고, 수축/팽창율이 허용치를 벗어나면서 하자의 직접적 원인이 될 수 있기 때문이다.At this time, when the resin coating film waterproof layer 40 made of flame retardant and moisture-curing polyurea waterproofing agent is applied by a spray method, the working temperature is preferably set within a range of 5 to 55 ° C, and it reacts with moisture in the air to cure, so the relative humidity is 85 It is desirable to work at% or less, because if it is outside the allowable temperature or humidity, proper adsorption will not occur, and the contraction / expansion rate may be a direct cause of defects while outside the allowable value.

즉, 상기 수지 도막 방수층(40)은 표면에 습기가 있을 경우 폴리우레아는 들뜸현상이나 부착강도가 저하(예; 0.9MPa 이하)되는 문제가 있다.That is, when the resin coating film waterproof layer 40 has moisture on the surface, polyurea has a problem of excitation or deterioration in adhesion strength (eg, 0.9 MPa or less).

이에 따라, 본 발명의 실시예에 따른 수지 도막 방수층(40)은 습기 경화형 폴리우레라를 사용하는 것으로, 상기 습기 경화형 폴리우레아는 아래의 [표 3]에서와같이, 표면 건조와 건조, 그리고 온랭반복 작용 후의 부착강도가 각각 2.2MPa, 2.6MPa, 1.9MPa를 유지함을 확인할 수 있었다.Accordingly, the resin coating film waterproof layer 40 according to an embodiment of the present invention is to use a moisture-curable polyurea, the moisture-curable polyurea, as shown in Table 3 below, surface drying and drying, and warming It was confirmed that the adhesion strength after the repetitive action maintained 2.2 MPa, 2.6 MPa, and 1.9 MPa, respectively.

[표 3][Table 3]

Figure 112018072426970-pat00003
Figure 112018072426970-pat00003

따라서, 상기 수지 도막 방수층(40)을 제 2 접착층(30)을 통해 상기 PUR 폼보드(20)의 표면에 도포 방식으로 형성할 때, 상기 수지 도막 방수층(40)은 태풍이나 외력 또는 지진 등에 의해 탈락되거나 변형 또는 훼손되는 것이 방지되면서, 본 발명의 실시예에 따른 외단열재(A)는 반영구적 사용이 가능하게 되는 것이다.Accordingly, when the resin coating film waterproof layer 40 is formed on the surface of the PUR foam board 20 through the second adhesive layer 30, the resin coating film waterproof layer 40 may be damaged by typhoons, external forces or earthquakes. While being prevented from being dropped or deformed or damaged, the outer heat insulating material (A) according to the embodiment of the present invention is capable of semi-permanent use.

더불어, 상기와 같이 콘크리트 바탕면(1)에 제 1 접착층(10)→PUR 폼보드(20)→제 2 접착층(30)→수지 도막 방수층(40)의 순서로 적층되는 외단열재(A)를 형성시키게 되면, 종래 도 1의 EPS보드보다 단열 효과가 30% 이상 우수하게 나타날 수 있음은 물론, 외단열재(A)의 도포 두께를 줄일 수 있게 되면서 건축 면적을 효율적으로 사용하는 이점을 얻을 수 있고, 특히 아래의 [표 4]에서와 같이 외단열 시스템에서의 화재 안정성이 우수하다는 것을 확인할 수 있었다.In addition, as described above, the first insulating layer (10) → PUR foam board (20) → second adhesive layer (30) → resin coating film waterproof layer (40) laminated in the order of the outer layer (A) on the concrete surface (1) When formed, the insulation effect may be more than 30% better than that of the conventional EPS board of FIG. 1, and it is possible to reduce the coating thickness of the outer heat insulating material (A), thereby obtaining an advantage of efficiently using the building area, , In particular, it was confirmed that the fire stability in the external insulation system is excellent as shown in [Table 4] below.

[표 4][Table 4]

Figure 112018072426970-pat00004
Figure 112018072426970-pat00004

이상에서 본 발명의 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재(A)에 대한 기술사상을 첨부도면과 함께 서술하였지만, 이는 본 발명의 가장 바람직한 실시예를 예시적으로 설명한 것이지 본 발명을 한정하는 것은 아니다.In the above, the technical idea for the outer heat insulating material (A) having excellent fire safety using the corrugated urethane foam board of the present invention and polyurea has been described with the accompanying drawings, but this is illustratively illustrating the most preferred embodiment of the present invention. It is not intended to limit the present invention.

따라서, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와같은 변경은 청구범위 기재의 범위내에 있게 된다.Therefore, the present invention is not limited to the specific embodiments described above, and various modifications can be made by anyone having ordinary knowledge in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, such changes are within the scope of the claims.

1; 콘크리트 바탕면
10; 제 1 접착층
20; PUR 폼보드
21; 삼각형 골 무늬
30; 제 2 접착층
40; 수지 도막 방수층
One; Concrete base
10; First adhesive layer
20; PUR foam board
21; Triangle pattern
30; Second adhesive layer
40; Resin coating film waterproofing layer

Claims (8)

콘크리트 바탕면;
상기 콘크리트 바탕면의 표면에 도포되는 것으로서, 시멘트 100㎏, 규사 20㎏, 수지(EVA수지) 50㎏, 물 10㎏, 섬유(PVA 섬유-4mm) 0.36㎏ 을 배합하여, 28일 부착 강도 2.39를 유지하는 몰탈로 이루어진 시멘트 풀인 제 1 접착층;
상기 제 1 접착층을 통해 상기 콘크리트 바탕면의 표면에 접착 고정되는 PUR 폼보드;
상기 PUR 폼보드의 표면에 도포되는 제 2 접착층; 및,
상기 제 2 접착층을 통해 상기 PUR 폼보드의 표면에 접착 고정되는 수지 도막 방수층; 을 포함하는 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
Concrete base surface;
As applied to the surface of the concrete base surface, 100 kg of cement, 20 kg of silica, 50 kg of resin (EVA resin), 10 kg of water, and 0.36 kg of fiber (PVA fiber-4 mm) were blended to give a 2.39 adhesion strength of 28 days. A first adhesive layer, which is a cement paste made of retaining mortar;
A PUR foam board adhesively fixed to the surface of the concrete base surface through the first adhesive layer;
A second adhesive layer applied to the surface of the PUR foam board; And,
A resin coating film waterproof layer adhesively fixed to the surface of the PUR foam board through the second adhesive layer; It characterized in that it comprises a corrugated urethane foam board and an outer heat insulating material excellent in fire safety using polyurea.
삭제delete 삭제delete 제 1 항에 있어서,
상기 PUR 폼보드의 표면에는 외부 충격에 대한 강한 내력을 가지도록 표면 처리 공정을 거쳐 삼각형 골 무늬를 반복 형성하는 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
According to claim 1,
On the surface of the PUR foam board, a corrugated urethane foam board and polyurea with excellent fire safety, characterized by repeatedly forming a triangular corrugated pattern through a surface treatment process to have a strong proof against external impact.
제 4 항에 있어서,
상기 삼각형 골 무늬는 골판 간격이 5~15mm를 유지하며, 0.21~027MPa의 부착강도를 가지는 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
The method of claim 4,
The triangular corrugated pattern maintains an interval of 5 to 15 mm between the corrugated boards, and has excellent fire safety using a corrugated urethane foam board and polyurea, which has an adhesion strength of 0.21 to 027 MPa.
제 1 항에 있어서,
상기 제 2 접착층은 RCF(Recycled Carbon Fiber)와 나일론 섬유 및 수지류를 혼합한 습기 경화형 프라이머인 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
According to claim 1,
The second adhesive layer is an outer heat insulating material having excellent fire safety using a corrugated urethane foam board and polyurea, characterized in that it is a moisture-curable primer in which RCF (Recycled Carbon Fiber) and nylon fibers and resins are mixed.
제 1 항에 있어서,
상기 수지 도막 방수층은 마감재로서 일정한 인장강도와 신장율을 가지는 난연성과 습기경화형 폴리우레아 수지 방수제를 스프레이 방식으로 도포시켜 형성하는 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
According to claim 1,
The resin coating film waterproofing layer is a flame retardant having a constant tensile strength and elongation as a finishing material, and a moisture-curing polyurea resin waterproofing agent is formed by spraying, forming a corrugated urethane foam board and excellent fire safety using polyurea. .
제 7 항에 있어서,
난연성과 습기경화형 폴리우레아 방수제로 이루어진 상기 수지 도막 방수층(40)은 스프레이 방식으로 도포시킬 때 작업 온도 5∼55℃ 범위이며, 공기 중의 습기와 반응하여 경화하므로 상대습도 85% 이하에서 도포하는 것을 특징으로 하는 골판형 우레탄 폼보드와 폴리우레아를 이용한 화재 안전성이 뛰어난 외단열재.
The method of claim 7,
The resin coating waterproof layer 40 made of a flame retardant and moisture-curable polyurea waterproofing agent has a working temperature range of 5 to 55 ° C when applied by a spray method, and is cured by reacting with moisture in the air, so that it is applied at a relative humidity of 85% or less. Outer heat insulation material with excellent fire safety using corrugated urethane foam board and polyurea.
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