KR100926834B1 - A complex heat insulator made of rigid polyurethane foam and manufacturing method thereof - Google Patents

A complex heat insulator made of rigid polyurethane foam and manufacturing method thereof Download PDF

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KR100926834B1
KR100926834B1 KR1020090009608A KR20090009608A KR100926834B1 KR 100926834 B1 KR100926834 B1 KR 100926834B1 KR 1020090009608 A KR1020090009608 A KR 1020090009608A KR 20090009608 A KR20090009608 A KR 20090009608A KR 100926834 B1 KR100926834 B1 KR 100926834B1
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South Korea
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polyurethane foam
rigid polyurethane
flame
retardant
composite insulation
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KR1020090009608A
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Korean (ko)
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곽인학
이중표
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광스틸 주식회사
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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
    • B32B5/18—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 features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • 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
    • B32B2266/0278—Polyurethane
    • 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
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B5/022—Non-woven fabric

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: A fire-resistant rigid polyurethane foam insulating body and a manufacturing method thereof are provided to secure insulation performance for apartment house as well as construction convenience. CONSTITUTION: A method for manufacturing a fire-resistant rigid polyurethane foam insulating body comprises the following steps of: placing a rigid insulating sheet(30) on a non-woven fabric, and supplying the non-woven fabric(10) into a polyurethane foaming machine; spraying a polyurethane solution on the rigid insulating sheet to form a polyurethane foam layer(40); allowing the polyurethane foam layer to pass through an oven(60) to harden the same; and returning the non-woven fabric to produce the fire-resistant rigid polyurethane foam insulating body(100).

Description

난연성 경질 폴리우레탄 폼 복합 단열재 및 이의 제조방법 {A complex heat insulator made of rigid polyurethane foam and manufacturing method thereof}Flame retardant rigid polyurethane foam composite insulation and its manufacturing method {A complex heat insulator made of rigid polyurethane foam and manufacturing method

본 발명은 공동주택의 콘크리트 벽체 및 슬라브의 단열재로 사용되는 난연성 경질 폴리우레탄 폼 복합 단열재 및 이의 제조방법에 관한 것으로, 폴리우레탄 폼 단열재의 발포 성형공정에서 상·하 양면에 부직포나 크라프트지 등을 투입하면서 하면 부직포(또는 크라프트지) 위에 경질 난연시트를 깔고, 그 위에 폴리우레탄 액을 발포하여 경화시킴으로써 상면의 부직포와 발포 폴리우레탄 폼 보드 및 하면의 경질 난연시트가 일체로 접합된 경질 폴리우레탄 폼 복합 단열재를 연속 생산할 수 있도록 한 것이며, 하면의 부직포는 회수하여 재사용하도록 한 것으로, 별도의 경질 난연시트 접착공정을 두지 않고 단열재의 생산과 동시에 인-라인으로 난연성 경질 폴리우레탄 폼 복합 단열재를 생산할 수 있도록 한 것이다.The present invention relates to a flame-retardant rigid polyurethane foam composite insulation used as a heat insulating material for concrete walls and slabs of a multi-family house, and to a method for manufacturing the same. Hard polyurethane foam on which the non-woven fabric on the upper surface and the foamed polyurethane foam board and the hard flame-retardant sheet on the lower surface are integrally bonded by laying a hard flame-retardant sheet on a nonwoven fabric (or kraft paper) and foaming and curing a polyurethane liquid thereon. It is to enable continuous production of composite insulation, and the nonwoven fabric on the bottom side is to be recovered and reused, and it is possible to produce flame-retardant rigid polyurethane foam composite insulation by in-line simultaneously with the production of insulation without a separate hard flame-retardant sheet bonding process. It would be.

기존에는 공동주택의 단열성능 확보 및 시공의 편의성을 위해 콘크리트 벽체 및 슬라브 시공시 외부에 접하는 슬래브 및 옹벽에 도 1의 좌측에 도시된 바와 같이 거푸집(1)의 한 면에 경질 난연시트(2a)와 EPS(Expended polystyrene)단열 재(2b)가 접합된 EPS복합 단열재(2)를 고정못(4)으로 부착한 후 콘크리트(3)를 타설시공하고 있다.Conventionally, a hard flame-retardant sheet (2a) on one side of the formwork (1) on the slab and retaining wall in contact with the outside during the construction of concrete walls and slabs for securing the insulation performance of the apartment house and convenience of construction The concrete (3) is poured after attaching the EPS composite insulation (2) bonded to the EPS (Expended polystyrene) insulation material (2b) with the fixing nail (4).

한편, 콘크리트 양생 후에는 도 1의 우측에 도시된 바와 같이 양생된 콘크리트(3) 벽체나 슬라브로부터 거푸집(1)을 제거하여 벽체 또는 슬라브를 이루는 콘크리트(3)에 상기 EPS복합 단열재(2)가 붙어있는 상태가 되도록 함으로써 콘크리트 건물이 건축법상 또는 각종 공사기준에서 필요로 하는 단열성능 및 난연성능을 보유할 수 있도록 하고 있다.On the other hand, after curing the concrete, as shown in the right side of Figure 1 by removing the formwork (1) from the cured concrete (3) wall or slab, the EPS composite insulation (2) to the concrete (3) to form a wall or slab By being in the attached state, the concrete building can maintain the insulation performance and the flame retardant performance required by the construction method or various construction standards.

종래의 EPS복합 단열재(2)는 내측의 EPS단열재(2b)의 파손을 방지하고 벽체의 강도보강을 위하여 EPS단열재(2a)의 일면 혹은 양면에 강도 및 난연성이 우수한 2~10mm두께의 마그네슘 보드, 난연 PP시트, 석고보드 등의 소재로 된 경질 난연시트(2a)를 내수성이 뛰어난 핫멜트(hot-melt) 접착제로 접착하여 제조한 복합 단열재를 사용하고 있다.Conventional EPS composite insulation (2) is a magnesium board of 2 to 10mm thickness excellent in strength and flame retardancy on one or both sides of the EPS insulation (2a) to prevent breakage of the inner EPS insulation (2b) and to reinforce the strength of the wall, A composite heat insulating material manufactured by bonding a hard flame retardant sheet 2a made of a material such as a flame retardant PP sheet or a gypsum board with a hot-melt adhesive having excellent water resistance is used.

이와 같은 종래의 EPS복합 단열재(2)는 이의 생산과정에서 EPS단열재(2b)의 일면 또는 양면에 경질 난연시트(2a)의 부착시 핫멜트 접착제를 사용하여 인력에 의한 별도 공정으로 접착함으로써 EPS단열재의 생산라인과는 별도의 접착을 위한 공간을 필요로 함은 물론 이에 다수의 인원 및 시간이 투여됨으로써 제조비용이 상승하고, 생산성이 떨어지는 등의 문제점이 있었으며, 결과적으로 시장에서 제품의 경쟁력 저하요인이 되고 있었다.Such a conventional EPS composite insulation (2) of the EPS insulation material by adhering in a separate process by using a hot melt adhesive when attaching the hard flame-retardant sheet (2a) to one or both sides of the EPS insulation material (2b) in the production process thereof. In addition to the need for a space for adhesion to the production line, as well as the administration of a large number of people and time, there were problems such as an increase in manufacturing cost and a decrease in productivity. It was.

본 발명은 상기한 문제점을 해소하기 위하여 안출된 것으로, 본 발명의 목적은 공동주택의 단열성능확보 및 시공의 편의성을 위해 설치하는 복합 단열재를 저렴한 비용으로 간단한 공정에 의해 대량으로 생산할 수 있는 방법을 제공하는 데 있다.The present invention has been made in order to solve the above problems, an object of the present invention is to provide a method that can be produced in large quantities by a simple process at a low cost of the composite heat insulating material installed for ensuring the insulation performance of the apartment house and the convenience of construction To provide.

본 발명은 또, 상기한 제조방법에 의해 제조되어 공동주택의 콘크리트 벽체 및 슬라브의 단열재로 사용할 수 있는 경제성을 갖는 복합 단열재를 제공하는 데 있다.Another object of the present invention is to provide a composite heat insulating material which is manufactured by the above-described manufacturing method and can be used as a heat insulating material for concrete walls and slabs of apartment houses.

상기한 목적을 달성하기 위하여 본 발명은 경질 폴리우레탄 폼 보드를 연속공정으로 생산하는 설비에서 단열재 제조시 상·하 양면에 부직포나 크라프트지 등을 투입하면서 하면 부직포(또는 크라프트지) 위에 경질 난연시트를 깔고 그 위에 폴리우레탄 액을 발포한 후 액상의 폴리우레탄이 오븐에서 완전히 경화되면 하면의 부직포는 회수하고, 상면 부직포와 발포 폴리우레탄 폼 보드 및 경질 난연시트가 일체로 접합된 경질 폴리우레탄 폼 복합 단열재는 필요로 하는 길이와 폭으로 절단하는 공정을 거쳐 제조하는 방법으로 별도의 경질 난연시트 접착공정을 두지않고 단열재의 생산과 동시에 인-라인으로 복합 단열재를 생산함으로써 제조원가를 낮추고 대량생산할 수 있도록 한 난연성 경질 우레탄 복합 단열재의 제조방법 및 이 방법에 의해 제조된 난연성 경질 폴리우레탄 폼 복합 단열재를 제공한다.In order to achieve the above object, the present invention provides a rigid flame retardant sheet on a nonwoven fabric (or kraft paper) when a non-woven fabric or a kraft paper is put on both sides of the upper and lower sides when manufacturing a heat insulating material in a facility for producing a rigid polyurethane foam board in a continuous process. When the polyurethane liquid is foamed on it and the liquid polyurethane is completely cured in an oven, the nonwoven fabric of the lower surface is recovered, and the rigid polyurethane foam composite in which the upper nonwoven fabric, the foamed polyurethane foam board and the hard flame retardant sheet are integrally bonded together. Insulation is manufactured by cutting to the required length and width. It is possible to reduce the manufacturing cost and mass production by producing composite insulation in-line simultaneously with the production of insulation without additional hard flame retardant sheet bonding process. Manufacturing method of flame retardant hard urethane composite insulation and manufactured by this method It provides a flame-retardant rigid polyurethane foam composite insulation.

본 발명의 제조방법에 의한 난연성 경질 폴리우레탄 포 복합 단열재는 기존의 단속공정에 의해 생산되고 있는 EPS복합 단열재와 달리 연속공정에 의해 제조되므로 대량생산이 가능하고, 별도의 접착공정이 없어 인력 및 시간과 공간상의 문제를 해소할 수 있으며, 공동주택의 콘크리트 벽체 및 슬라브에 사용하기 적합한 난연성 및 단열성이 뛰어난 단열재를 제공할 수 있는 효과를 갖는다.The flame-retardant rigid polyurethane foam composite insulation according to the manufacturing method of the present invention is manufactured by a continuous process, unlike the EPS composite insulation produced by the conventional intermittent process, so that mass production is possible, and there is no separate bonding process, manpower and time And it can solve the problem of space and space, and has the effect of providing an excellent flame retardant and heat insulating material suitable for use in concrete walls and slabs of apartment houses.

이하, 본 발명을 한정하지 않는 바람직한 실시 예를 첨부된 도면에 의하여 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

도 2는 본 발명의 복합 단열재 제조방법에 의한 제조공정을 개략적으로 도시한 것으로, 본 발명에 의한 복합 단열재 제조방법은 단열성이 우수한 경질 폴리우레탄 폼 보드를 연속공정으로 생산하는 설비에서 단열재의 발포 성형시 상·하 양면에 부직포(10,20)를 투입하면서 하면 부직포(10) 위에 경질 난연시트(30)를 깔고, 이 경질 난연시트(30) 위에 발포 폴리우레탄층(40)을 형성하기 위해 폴리우레탄 액을 발포한 후, 프레스 컨베이어(50)에 의해 이송되면서 발포 폴리우레탄층(40)이 오븐(60)을 통과하면서 완전히 경화되면 하면의 부직포(10)는 회수하고, 도 3에 도시된 바와 같이 상면의 부직포(20)와 발포 폴리우레탄층(40) 및 경질 난연시트(30)가 일체로 접합된 경질 폴리우레탄 폼 복합 단열재(100)는 절단기(70)에 의해 필요로 하는 길이와 폭으로 절단하는 공정을 거쳐 제조하도록 되어 있다.Figure 2 schematically shows a manufacturing process by the composite heat insulating material manufacturing method of the present invention, the composite heat insulating material manufacturing method according to the present invention is a foam molding of the heat insulating material in a facility for producing a rigid polyurethane foam board with excellent thermal insulation in a continuous process When the non-woven fabrics 10 and 20 are put on both sides of the upper and lower sides, the hard flame-retardant sheet 30 is laid on the non-woven fabric 10, and the poly-polyurethane layer 40 is formed on the rigid flame-retardant sheet 30 to form the foamed polyurethane layer 40. After foaming the urethane liquid, when the foamed polyurethane layer 40 is completely cured while passing through the oven 60 while being transported by the press conveyor 50, the nonwoven fabric 10 of the lower surface is recovered, as shown in FIG. As described above, the rigid polyurethane foam composite insulation material 100, in which the nonwoven fabric 20, the foamed polyurethane layer 40, and the hard flame retardant sheet 30 are integrally bonded to each other, has a length and width required by the cutter 70. Ball cutting A via is to be produced.

본 발명은 기존의 단속공정에 의한 EPS복합 단열재와 달리 경질 폴리우레탄 폼 보드를 연속공정으로 생산하는 설비에서 발포 폴리우레탄층(20) 자체의 접착력에 의해 부직포(20)와 경질 난연시트(30)가 발포 폴리우레탄층(40)의 상하면에 일체로 적층, 접합되므로 기존 설비에서 단열재의 생산과 동시에 인-라인으로 복합 단열재를 생산할 수 있으므로 복합 단열재의 생산원가를 낮출 수 있고 경제적으로 대량생산이 가능한 장점이 있다.The present invention, unlike the conventional EPS composite insulation by the intermittent process, the non-woven fabric 20 and the hard flame-retardant sheet 30 by the adhesive force of the foamed polyurethane layer 20 itself in a facility for producing a rigid polyurethane foam board in a continuous process Since it is laminated and bonded integrally on the upper and lower surfaces of the foamed polyurethane layer 40, it is possible to produce the composite insulation material in-line at the same time as the production of the insulation material in the existing facility, thereby reducing the production cost of the composite insulation material and economically mass production is possible. There is an advantage.

본 발명에서 상기 발포 폴리우레탄층(40)을 형성하는 원료는 폴리이소시아네이트와 폴리우레탄 수지액의 2액형으로 이의 생산공정은 KS M 3809(경질 폴리우레탄 폼 단열재)의 규정에 의하여 관리한다.In the present invention, the raw material for forming the foamed polyurethane layer 40 is a two-component type of polyisocyanate and polyurethane resin liquid and its production process is managed according to the provisions of KS M 3809 (hard polyurethane foam insulation).

본 실시 예에서 상기 발포 폴리우레탄층(40)의 상·하 양면에 적층 접합되는 부직포(20)는 폴리에스터섬유를 이용하여 열,압력 등 화학적 결합방법으로 포(布)를 만든 후 표면에 투습방지를 위해 PE 또는 PP수지로 코팅한 두께가 20-100㎛의 얇은 시트형상으로 되어있으며, 무게는 20-100g/㎡이다.In this embodiment, the non-woven fabric 20 laminated on both upper and lower surfaces of the foamed polyurethane layer 40 is made of a cloth (Polyester) by chemical bonding methods such as heat, pressure using a polyester fiber, and moisture permeable to the surface For prevention, it is coated with PE or PP resin and has a thin sheet shape of 20-100㎛, and its weight is 20-100g / m2.

본 발명에서 상기 발포 폴리우레탄층(40)의 상면에 적층 접합되는 부직포(20) 대신 크라프트지나 글라스 파이버 등을 사용할 수도 있다.In the present invention, instead of the nonwoven fabric 20 laminated on the upper surface of the foamed polyurethane layer 40, kraft paper, glass fiber, or the like may be used.

또, 본 발명에서 상기 발포 폴리우레탄층(40)의 하면에 적층 접합되는 경질 난연시트(30)는 PP, PE, PVC수지 등 폴리올레핀수지에 CaCO3,Al(OH)3, Mg(OH)2 등의 무기필러 및 기타 활제, 피그먼트 등의 첨가제를 혼합한 후 압출기(Extruder), 캘린더(Calender)등 성형기계를 이용하여 두께 3.0~10.0㎜, 길이 1.0~5.0m, 폭 900~ 1200㎜의 시트(sheet) 형상으로 제조한 경질의 난연시트로, 물리적인 특성에 있어서 흡수율은 30% 이하, 흡수에 의한 길이변화율이 0.15%, 휨강도 14N/㎟이고, 난연성능은 준불연재료수준 이상을 사용한다.In addition, in the present invention, the rigid flame-retardant sheet 30 laminated on the lower surface of the foamed polyurethane layer 40 is a polycarbonate resin such as PP, PE, PVC resin, CaCO 3 , Al (OH) 3 , Mg (OH) 2 After mixing inorganic fillers such as other lubricants and additives such as pigments, using molding machines such as extruders and calenders, the thickness is 3.0-10.0 mm, the length is 1.0-5.0 m, the width is 900-1200 mm. Rigid flame retardant sheet manufactured in sheet shape. Absorption rate is 30% or less in physical properties, 0.15% of length change rate by absorption, 14N / mm2 of bending strength, and flame retardant performance is higher than semi-combustible material level. do.

단열재의 주원료로 사용되고 있는 폴리우레탄 수지는 Polyol, MDI(Methylene di para-phenylene-isocynate) 촉매, 발포제, 계면활성제 및 기타 첨가제로 이루어진 합성수지로 타 소재와의 접착성이 우수하여 일반산업의 접착제의 원료로 가장 많이 사용되고 있는데, 본 발명의 경질 우레탄 복합 단열재의 제조에 사용되는 주원료는 상기 폴리우레탄 수지가 주원료로써, 우레탄 단열재의 제조시 하면의 경질 난연시트(30) 위에 폴리우레탄원료를 발포기로 골고루 뿌린 후, 프레스 컨베이어(50) 내부를 통과하게 되면 폴리우레탄수지가 서서히 발포되면서 정해진 규격(두께)대로 성형되며, 100℃ 이상 고온의 오븐(60; 성형로)을 통과하면서 폴리우레탄수지가 경화되면서 상면에 있는 부직포(20)와 하면에 있는 경질 난연시트(30)가 발포 폴리우레탄층(40)과 완전히 접합되게 된다.Polyurethane resin, which is used as the main raw material of insulation material, is a synthetic resin composed of Polyol, MDI (Methylene di para-phenylene-isocynate) catalyst, blowing agent, surfactant, and other additives. As the main raw material used in the manufacture of the rigid urethane composite insulation of the present invention, the polyurethane resin is the main raw material, evenly sprayed with polyurethane foaming material on the hard flame-retardant sheet (30) of the lower surface during the production of the urethane insulation. After passing through the inside of the press conveyor 50, the polyurethane resin is gradually foamed and molded according to a predetermined standard (thickness). The non-woven fabric 20 and the hard flame-retardant sheet 30 on the lower surface is completely bonded with the foamed polyurethane layer 40 .

이처럼 본 발명에 의한 경질 폴리우레탄 폼 복합 단열재는 기존의 단속공정에 의해 생산되고 있던 EPS복합 단열재와는 달리 연속공정에 의해 제조되므로 저렴한 비용으로 대량생산이 가능한 장점이 있다.As described above, the rigid polyurethane foam composite insulation according to the present invention has an advantage of being able to be mass-produced at low cost since it is manufactured by a continuous process unlike the EPS composite insulation produced by the existing intermittent process.

도 1은 종래의 복합 단열재를 거푸집에 부착하여 콘크리트를 타설하기 전 후의 상태를 도시한 단면도,1 is a cross-sectional view showing a state before and after placing a conventional composite heat insulating material to form the concrete;

도 2는 본 발명에 의한 복합 단열재의 시공방법을 도시한 모식도,Figure 2 is a schematic diagram showing a construction method of the composite heat insulating material according to the present invention,

도 3은 본 발명에 의한 복합 단열재의 단면도이다.3 is a cross-sectional view of the composite heat insulating material according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 부직포(하면)10: nonwoven fabric (lower surface)

20 : 부직포(상면)20: nonwoven fabric (top surface)

30 : 경질 난연시트30: rigid flame retardant sheet

40 : 발포 폴리우레탄층40: expanded polyurethane layer

50 : 프레스 컨베이어50: press conveyor

60 : 오븐60: oven

70 : 절단기70: cutting machine

100 : 난연성 경질 폴리우레탄 폼 복합 단열재 100: flame retardant rigid polyurethane foam composite insulation

Claims (5)

경질 폴리우레탄 폼 보드를 연속공정으로 생산하는 설비에서 경질 폴리우레탄 폼 보드의 발포 성형시 상·하 양면에 부직포나 크라프트지(10,20)를 투입하면서 하면의 부직포(10) 위에 경질 난연시트(30)를 깔고 이 경질 난연시트(30) 위에 발포 폴리우레탄층(40)을 형성하기 위해 폴리우레탄 액을 발포한 후, 프레스 컨베이어(50)에 의해 이송시켜 발포 폴리우레탄층(40)이 오븐(60)을 통과하면서 완전히 경화되면 하면의 부직포(10)는 회수하고, 상면의 부직포(20)와 발포 폴리우레탄층(40) 및 하면의 경질 난연시트(30)가 일체로 접합된 경질 폴리우레탄 폼 복합 단열재(100)를 생산하는 것을 특징으로 하는 난연성 경질 폴리우레탄 폼 복합 단열재의 제조방법.Hard flame-retardant sheet on the nonwoven fabric 10 of the lower surface while putting nonwoven fabric or kraft paper 10,20 on both sides of the upper and lower sides during foam molding of the rigid polyurethane foam board in a facility for producing a rigid polyurethane foam board in a continuous process ( 30) and foamed polyurethane liquid to form the foamed polyurethane layer 40 on the hard flame-retardant sheet 30, and then conveyed by the press conveyor 50 to the foamed polyurethane layer 40 is oven ( When fully cured while passing through 60, the nonwoven fabric 10 of the lower surface is recovered, and the rigid polyurethane foam in which the nonwoven fabric 20 on the upper surface, the foamed polyurethane layer 40 and the hard flame retardant sheet 30 on the lower surface are integrally bonded. Method for producing a flame-retardant rigid polyurethane foam composite insulation, characterized in that for producing a composite insulation (100). 청구항 1에 있어서,The method according to claim 1, 상기 경질 폴리우레탄 폼 복합 단열재(100)는 절단기(70)에 의해 필요로 하는 길이와 폭으로 절단하는 공정을 더 거치는 것을 특징으로 하는 난연성 경질 폴리우레탄 폼 복합 단열재의 제조방법.The rigid polyurethane foam composite insulation 100 is a method of manufacturing a flame-retardant rigid polyurethane foam composite insulation, characterized in that further undergoing a step of cutting to the length and width required by the cutter (70). 청구항 1에 있어서,The method according to claim 1, 상기 부직포(20)는 폴리에스터섬유 소재로, 그 표면에 투습방지를 위해 PE 또는 PP수지로 코팅한 20-100㎛의 두께로 이루어진 것을 특징으로 하는 난연성 경질 폴리우레탄 폼 복합 단열재의 제조방법.The non-woven fabric 20 is a polyester fiber material, the method of producing a flame-retardant rigid polyurethane foam composite insulation, characterized in that made of a thickness of 20-100㎛ coated with PE or PP resin to prevent moisture permeation on the surface. 청구항 1에 있어서,The method according to claim 1, 상기 경질 난연시트(30)는 폴리올레핀수지에 CaCO3,Al(OH)3, Mg(OH)2를 포함하는 무기필러와 활제 및 첨가제를 혼합하여 압출기(Extruder)나 캘린더(Calender)를 포함하는 성형기계에 의해 두께 3.0~10.0㎜, 길이 1.0~5.0m, 폭 900~ 1200㎜의 시트(sheet) 형상으로 제조된 것을 특징으로 하는 난연성 경질 폴리우레탄 폼 복합 단열재의 제조방법.The hard flame retardant sheet 30 is a molding machine including an extruder or a calender by mixing an inorganic filler including lubricants and additives including CaCO 3, Al (OH) 3 and Mg (OH) 2 in a polyolefin resin. Method of producing a flame-retardant rigid polyurethane foam composite heat insulating material characterized in that it was produced in a sheet shape of 3.0 ~ 10.0mm in thickness, 1.0 ~ 5.0m in length, 900 ~ 1200mm in width. 삭제delete
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104552535A (en) * 2015-02-12 2015-04-29 安吉恒丰竹木产品有限公司 Process for producing light composite floor
CN104631759A (en) * 2015-02-12 2015-05-20 安吉恒丰竹木产品有限公司 Production process of novel composite floor
CN104921509A (en) * 2015-07-01 2015-09-23 好梦来家纺有限公司 Magnetic bamboo charcoal mattress and manufacturing method thereof
KR20160034609A (en) * 2014-09-22 2016-03-30 영보하우징 주식회사 Manufacturing method of foamed insulation material and foamed insulation material manufactured therefrom
KR102026626B1 (en) * 2019-05-14 2019-09-30 정우화인 주식회사 Method of Producing Excellent Flame Retardant Polyurethane Foam Board
KR20190117397A (en) * 2018-04-06 2019-10-16 김범호 Semi-flammable urethane insulator and method of exterior insulating building using the same
KR102053658B1 (en) * 2019-04-11 2020-01-17 주식회사 정우산업 Method and Apparatus for Producing Excellent Flame Retardant Polyurethane Foam Board
KR102132638B1 (en) * 2019-09-06 2020-07-21 김유석 Automatic supply apparatus of inorganic filler for producing excellent flame retardant polyurethane foam board
US20200353716A1 (en) * 2017-11-28 2020-11-12 Dow Global Technologies Llc Polyurethane-based insulation board
KR20210119597A (en) 2020-03-24 2021-10-06 신승용 The urethane foam insulation board and the manufacturing method thereof in which the flame penetration prevention function of exterior is improved
KR20220043577A (en) 2020-09-29 2022-04-05 주식회사 켐코 Manufacturing method of flame retardant polyureyhane foam sheet
KR20220043564A (en) 2020-09-29 2022-04-05 주식회사 켐코 Manufacturing method of flame retardant polyureyhane foam sheet
KR20220064436A (en) 2020-11-11 2022-05-19 주식회사 켐코 Manufacturing method of flame retardant polyurethane foam sheet
US11518119B2 (en) * 2020-03-30 2022-12-06 Johns Manville Thermoplastic prepreg based foam product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06293032A (en) * 1993-03-23 1994-10-21 Toyo Tire & Rubber Co Ltd Flame-retardant heat-insulating board and manufacture thereof
JPH11314297A (en) * 1998-03-06 1999-11-16 Celotex Corp:The Foam insulating board whose surface is clad with tough polymer film or composite body thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06293032A (en) * 1993-03-23 1994-10-21 Toyo Tire & Rubber Co Ltd Flame-retardant heat-insulating board and manufacture thereof
JPH11314297A (en) * 1998-03-06 1999-11-16 Celotex Corp:The Foam insulating board whose surface is clad with tough polymer film or composite body thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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KR101648152B1 (en) 2014-09-22 2016-08-12 영보하우징 주식회사 Manufacturing method of foamed insulation material and foamed insulation material manufactured therefrom
CN104631759A (en) * 2015-02-12 2015-05-20 安吉恒丰竹木产品有限公司 Production process of novel composite floor
CN104552535A (en) * 2015-02-12 2015-04-29 安吉恒丰竹木产品有限公司 Process for producing light composite floor
CN104921509A (en) * 2015-07-01 2015-09-23 好梦来家纺有限公司 Magnetic bamboo charcoal mattress and manufacturing method thereof
US11745465B2 (en) * 2017-11-28 2023-09-05 Dow Global Technologies Llc Polyurethane-based insulation board
US20200353716A1 (en) * 2017-11-28 2020-11-12 Dow Global Technologies Llc Polyurethane-based insulation board
KR20190117397A (en) * 2018-04-06 2019-10-16 김범호 Semi-flammable urethane insulator and method of exterior insulating building using the same
KR102259775B1 (en) * 2018-04-06 2021-06-02 김범호 Semi-flammable urethane insulator and method of exterior insulating building using the same
KR102053658B1 (en) * 2019-04-11 2020-01-17 주식회사 정우산업 Method and Apparatus for Producing Excellent Flame Retardant Polyurethane Foam Board
KR102026626B1 (en) * 2019-05-14 2019-09-30 정우화인 주식회사 Method of Producing Excellent Flame Retardant Polyurethane Foam Board
WO2020230992A1 (en) * 2019-05-14 2020-11-19 정우화인 주식회사 Manufacturing method for semi-flammable rigid polyurethane foam board
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US11518119B2 (en) * 2020-03-30 2022-12-06 Johns Manville Thermoplastic prepreg based foam product
US11938691B2 (en) 2020-03-30 2024-03-26 Johns Manville Thermoplastic prepreg based foam product
KR20220043577A (en) 2020-09-29 2022-04-05 주식회사 켐코 Manufacturing method of flame retardant polyureyhane foam sheet
KR20220043564A (en) 2020-09-29 2022-04-05 주식회사 켐코 Manufacturing method of flame retardant polyureyhane foam sheet
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