KR101188462B1 - A melamine-floorboard of square shape - Google Patents

A melamine-floorboard of square shape Download PDF

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KR101188462B1
KR101188462B1 KR1020100090972A KR20100090972A KR101188462B1 KR 101188462 B1 KR101188462 B1 KR 101188462B1 KR 1020100090972 A KR1020100090972 A KR 1020100090972A KR 20100090972 A KR20100090972 A KR 20100090972A KR 101188462 B1 KR101188462 B1 KR 101188462B1
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South Korea
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layer
weight
melamine
floorboard
adhesive
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KR1020100090972A
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Korean (ko)
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KR20120029106A (en
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권영극
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권영극
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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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/08—Coating on the layer surface on wood 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0831—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using UV radiation

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Abstract

본 발명은 정사각형 멜라민 마루판에 관한 것으로, 이러한 멜라민 마루판은 정사각형 모양이고 일정한 두께를 형성하는 판재 형상의 목재층과; 상기 목재층의 상부 면에 멜라민(Melamine) 시트의 부착에 의하여 형성되는 멜라민층과: 상기 목재층의 하부 면에 형성되는 접착층; 및 상기 접착층 하부 면에 우레탄 재질 또는 자외선 경화도료의 도포에 의하여 형성되는 코팅층으로 구성되고, 상기 접착층은 보호 콜로이드로서 폴리비닐알코올을 더 포함하는 에틸렌-초산비닐 공중합체 수지 100중량부와; 이소시아네이트 1 내지 30중량부; 및 소맥분, 전분, 추출된 콩가루 또는 이들 중 2이상의 혼합물로 이루어지는 그룹으로부터 선택되는 어느 하나의 첨가물 0.1 내지 50중량부;를 포함하여 조성된 접착제를 도포하고, 상온에서 5～10시간 건조되어 형성된다. 이와 같은 구성에 따라 상기 목재층으로 스며든 접착제에 의하여 마루판이 경화되고, 또한 상기 코팅층에 의하여 습기가 스며드는 것을 방지하므로 바닥면에 시공 후에도 열과 습기에 의한 변형을 방지할 수 있고, 특히 정사각형 모양으로 이루어져서 심미감이 증대되는 효과가 발생한다.The present invention relates to a square melamine floorboard, wherein the melamine floorboard has a square-shaped wood layer having a square shape and having a predetermined thickness; Melamine layer formed by the adhesion of the melamine sheet to the upper surface of the wood layer: an adhesive layer formed on the lower surface of the wood layer; And a coating layer formed on the lower surface of the adhesive layer by applying a urethane material or an ultraviolet curable paint, wherein the adhesive layer further comprises 100 parts by weight of ethylene-vinyl acetate copolymer resin further comprising polyvinyl alcohol as a protective colloid; 1 to 30 parts by weight of isocyanate; And 0.1 to 50 parts by weight of any one additive selected from the group consisting of wheat flour, starch, extracted soy flour or a mixture of two or more thereof, and apply the adhesive formed, and dried at room temperature for 5 to 10 hours. . According to this configuration, the floorboard is hardened by the adhesive penetrated into the wood layer, and also prevents moisture from infiltrating by the coating layer, thereby preventing deformation due to heat and moisture even after construction on the floor surface, in particular in a square shape. Effect of increasing aesthetics.

Description

정사각형 멜라민 마루판{A MELAMINE-FLOORBOARD OF SQUARE SHAPE}Square melamine floorboard {A MELAMINE-FLOORBOARD OF SQUARE SHAPE}

본 발명은 정사각형 마루판에 관한 것으로, 더욱 상세하게는 온도의 변화에 의하여 변형되는 것을 방지하고, 소비자의 다양한 욕구에 충족할 수 있는 정사각형의 멜라민 마루판에 관한 것이다.The present invention relates to a square floorboard, and more particularly, to a square melamine floorboard that can be prevented from being deformed by a change in temperature and can satisfy various needs of consumers.

일반적으로 각종 건축물의 실내 마룻바닥이나 벽면에는 시공된 콘크리트 면을 장식하기 위하여 일반적인 형태의 장판지나 벽지로 도배하여 내부를 장식하는 것이 보편화되어 있으나 생활수준의 향상으로 최근에는 주거문화를 향상시키도록 실내를 고급화하고 거주공간 전체를 자연스런 나무 질감을 갖도록 하기 위하여 실내의 마룻바닥에 목재의 나무 질감을 그대로 표현하는 마루판이 사용되고 있다.In general, it is common to decorate the interior with paperboard or wallpaper of general form to decorate the concrete surface on the interior floors or walls of various buildings, but in recent years, indoors have been improved to improve the living culture by improving living standards. Floorboards that express the wood texture of wood on the floor of the interior are used to upgrade the quality of the living space and to make the entire living space have a natural wood texture.

이러한 마루판은 원목, 무늬목 혹은 멜라민 시트층이 부착된 강화마루판 등이 사용되고 있다. 마루판은 건축물의 실내에 시공된 상태에서 여름철 및 겨울철 등 계절의 변화에 따른 실내온도와 습도의 변화에 따라서 수축과 팽창이 발생하여 비틀림현상이 발생한다. 이와 같이 온도와 습도의 변화에 따른 변형을 방지하기 위하여 종래의 마루판은 좁고 긴 직사각형 모양으로 제작되어 사용되고 있다.Such floorboards are made of solid wood, veneer or reinforced floorboards with a melamine sheet layer. In the state of floorboard installed in the interior of the building, torsional phenomenon occurs due to shrinkage and expansion according to the change of room temperature and humidity according to the change of season such as summer and winter. Thus, in order to prevent deformation due to changes in temperature and humidity, the conventional floorboard is manufactured and used in a narrow and long rectangular shape.

즉, 도 1에 도시된 바와 같이, 종래의 마루판(100)은 그 형태가 좁고 긴 직사각형으로 한정되어 있으므로 다양한 소비자의 욕구에 충족할 수 없다는 문제점이 있다.That is, as shown in Figure 1, the conventional floorboard 100 has a problem that can not meet the needs of various consumers because its shape is limited to a narrow and long rectangle.

따라서 본 발명은 상술한 바와 같은 문제점을 해결하기 위하여 창안한 것으로서, 본 발명의 목적은 온도와 습도에 의한 변형을 방지하고, 특히 정사각형 모양으로 제작되어 소비자의 다양한 욕구를 충족할 수 있는 정사각형 모양의 멜라민 마루판을 제공하는데 있다.Therefore, the present invention has been made to solve the problems described above, the object of the present invention is to prevent the deformation caused by temperature and humidity, in particular the square shape is made of a square shape that can satisfy the various needs of consumers To provide melamine floorboards.

이러한 상기 목적은 본 발명에 의해 달성되며, 본 발명의 일면에 따라 가로 세로의 길이가 300mm, 또는 가로 세로의 길이가 400mm 또는 가로 세로의 길이가 450mm인 정사각형 모양이고, 일정한 두께를 형성하는 판재 형상의 목재층과; 상기 목재층의 상부 면에 엘라민(Melamine) 시트의 부착에 의하여 형성되는 멜라민층과; 상기 목재층의 하부 면에 형성되는 접착층; 및 상기 접착층 하부 면에 우레탄 재질 또는 자외선 경화도료의 도포에 의하여 형성되는 코팅층으로 구성되고, 상기 접착층(15)은 보호 콜로이드로서 폴리비닐알코올을 더 포함하는 에틸렌-초산비닐 공중합체 수지 100중량부와; 이오시아네이트 1 내지 30중량부; 및 소맥분, 전분, 콩가루 또는 이들 중 2이상의 혼합물로 이루어지는 그룹으로부터 선택되는 어느 하나의 첨가물 0.1 내지 50중량부를; 포함하여 조성된 접착제를 도포하고, 상온에서 5～10시간 건조되어 형성되며,
상기 코팅층은 공중합 가능한 다관능 아크릴 올리고머 및 모노머 70～80 중량％와 공중합 가능한 아민기를 포함한 단관능 에폭시아크릴 모노머 10～30 중량％를 혼합 교반하여 올리고머 및 모노머 조성물을 조성하고, 상기 올리고머 및 모노머 조성물의 전체 중량에 대하여 5～10 중량％의 광중합 개시제를 첨가하여 조성된 자외선 경화도료를 도포한 후에, 자외선의 조사에 의하여 경화되어 형성되는 것을 특징으로 한다.The above object is achieved by the present invention, and according to an aspect of the present invention is a square shape having a length of 300 mm, or a length of 400 mm or a length of 450 mm of length and length, and a plate shape to form a constant thickness. Wood layer of; A melamine layer formed by attachment of an melamine sheet to an upper surface of the wood layer; An adhesive layer formed on the lower surface of the wood layer; And a coating layer formed on the lower surface of the adhesive layer by applying a urethane material or an ultraviolet curable paint, and the adhesive layer 15 includes 100 parts by weight of an ethylene-vinyl acetate copolymer resin further including polyvinyl alcohol as a protective colloid. ; 1 to 30 parts by weight of iocyanate; And 0.1 to 50 parts by weight of any one additive selected from the group consisting of wheat flour, starch, soy flour or a mixture of two or more thereof; Apply the adhesive, including the composition, it is formed by drying at room temperature for 5-10 hours,
The coating layer is a mixture of a polyfunctional acrylic oligomer copolymerizable and 70 to 80% by weight monomer and 10 to 30% by weight of a monofunctional epoxy acrylic monomer including an amine group copolymerizable to form an oligomer and monomer composition, the composition of the oligomer and monomer composition After apply | coating the ultraviolet curing paint formed by adding the 5-10 weight% photoinitiator with respect to the total weight, it is hardened | cured and formed by irradiation of an ultraviolet-ray, It is characterized by the above-mentioned.

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본 발명의 상기와 같은 구성에 따라, 상기 목재층으로 스며든 접착제에 의하여 마루판이 경화되고, 또한 상기 코팅층에 의하여 습기가 스며드는 것을 방지하므로 바닥면에 시공 후에도 열과 습기에 의한 변형을 방지할 수 있고, 특히 정사각형 모양으로 이루어져서 심미감이 증대되는 효과가 발생한다.According to the above configuration of the present invention, the floorboard is hardened by the adhesive penetrated into the wood layer, and also prevents moisture from infiltrating by the coating layer, thereby preventing deformation due to heat and moisture even after construction on the floor surface. In particular, the square shape has the effect of increasing the aesthetics.

도 1은 종래기술에 따른 마루판의 사시도.
도 2는 본 발명의 일실시예에 따른 정사각형 멜라민 마루판의 사시도.
도 3은 도 2에 도시된 정사각형 마루판의 단면도.1 is a perspective view of a floorboard according to the prior art.
Figure 2 is a perspective view of a square melamine floorboard according to an embodiment of the present invention.
3 is a cross-sectional view of the square floorboard shown in FIG.

이하, 첨부한 도면을 참조하여 본 발명의 바람직한 실시예를 상술하며, 도면 전체를 통하여 동일한 부분에는 동일한 도면부호를 사용하기로 한다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, wherein like reference numerals are used for like parts throughout the drawings.

도 2는 본 발명의 일실시예에 따른 정사각형 멜라민 마루판의 사시도이고, 도 3은 단면도이다.Figure 2 is a perspective view of a square melamine floorboard according to an embodiment of the present invention, Figure 3 is a cross-sectional view.

도면에 도시된 바와 같이, 도면부호 10으로 도시한 본 발명에 따른 정사각형 멜라민 마루판은 목재층(13), 멜라민층(11), 접착층(15) 및 코팅층(17)으로 구성된다.As shown in the figure, the square melamine floorboard according to the present invention, shown by reference numeral 10, consists of a wood layer 13, a melamine layer 11, an adhesive layer 15 and a coating layer 17.

상기 목재층(13)은 원목, 합판 또는 중질섬유판(MDF)으로 형성되는데, 도면에 도시된 바와 같이 정사각형 모양을 이룬다.The wood layer 13 is formed of solid wood, plywood or heavy fiber board (MDF), as shown in the figure to form a square.

상기 합판은 원목을 넓고 얇게 깎은 단판(veneer)을 각 단판의 섬유방향이 서로 직교되도록 겹쳐 접착제조한 판상(板狀)의 목질 제품이다. 접착된 단판의 겹수는 3, 5, 7겹 등으로 앞면과 뒷면의 섬유방향이 같아지도록 홀수로 접착한다. 이와 같은 합판은 절삭, 굽힘, 접합 등 가공성이 뛰어나며 무게에 비하여 강도가 크고 천연소재로서 미관 및 감촉성이 좋은 특징을 지니고 있다.The plywood is a plate-like wood product made by bonding a veneer cut into a wide and thin solid wood so that the fiber directions of the respective veneers are perpendicular to each other. The number of layers of glued end plates is 3, 5, 7 layers, etc., and the number of layers is bonded in an odd number so that the fiber directions on the front and back sides are the same. Such plywood has excellent workability such as cutting, bending and joining, and has high strength and high aesthetics and feel as a natural material compared to the weight.

상기 중질섬유판(MDF)은 섬유판(fiber board)에서 기인한 것으로 섬유판은 목재, 짚 등의 각종 식물섬유를 주원료로 하여 판자모양으로 접착, 제판한 인공재료이다.The heavy fiber board (MDF) originates from a fiber board, and the fiber board is an artificial material bonded and plated in a board shape using various plant fibers such as wood and straw as the main raw materials.

이러한 중질섬유판은 흡음성, 단열성이 우수하고, 재료에는 방향성이 없으므로 사용하기가 쉬우며, 원료도 폐재(廢材)를 이용할 수 있는 등의 이점이 있다. 그리고, 비중이 0.4～0.8이고, 휨강도는 1 당 50kg이상이며 보통 제품 외에 표면을 방화처리한 것은 방화판(防火板)으로 사용하기도 한다.Such a heavy fiber board is excellent in sound absorption and heat insulating property, it is easy to use because the material has no directionality, and raw materials can also use waste materials. In addition, specific gravity is 0.4 ~ 0.8, flexural strength is more than 50kg per one, and the fireproofing surface is used as the fireproofing plate in addition to the normal products.

그리고 상기 목재층(13)의 상부면에 형성되는 상기 멜라민층(11)은 멜라민(Melamine) 시트의 부착에 의하여 형성되는데, 이러한 멜라민층(11)은 종래의 강화마루판에 적용되는 기술이므로 이하의 설명은 생략한다.And the melamine layer 11 formed on the upper surface of the wood layer 13 is formed by the attachment of melamine (Melamine) sheet, such melamine layer 11 is a technique applied to the conventional reinforcement flooring plate below Description is omitted.

상기 목재층(13)의 하부면에는 접착층(15)이 형성된다. 상기 접착층(15)은 목재용 수성 접착제를 도포하고, 도포 된 접착제가 상기 목재층(13) 내부로 스며들 수 있도록 상온에서 5～10시간 동안 건조시킨다.An adhesive layer 15 is formed on the lower surface of the wood layer 13. The adhesive layer 15 is coated with an aqueous adhesive for wood, and dried for 5 to 10 hours at room temperature so that the applied adhesive can penetrate into the wood layer (13).

상기 접착층(15)에 사용되는 접착제는 보호 콜로이드로서 폴리비닐알코올을 더 포함하는 에틸렌-초산비닐 공중합체 수지 100중량부와; 이소시아네이트 1 내지 30중량부; 및 소맥분, 전분, 추출된 콩가루 또는 이들 중 2 이상의 혼합물로 이루어지는 그룹으로부터 선택되는 어느 하나의 첨가물 0.1 내지 50중량부;를 포함하는 것이 바람직하다. 이와 같이 조성된 접착제는 통상의 목질용 접착제에 포함되었던 유해한 포름알데히드 방산 문제를 근본적으로 해결하였고, 유기용매를 사용하지 않으므로 휘발성 유기물의 발생도 예방하게 된다.The adhesive used for the adhesive layer 15 includes 100 parts by weight of ethylene-vinyl acetate copolymer resin further comprising polyvinyl alcohol as a protective colloid; 1 to 30 parts by weight of isocyanate; And 0.1 to 50 parts by weight of any one additive selected from the group consisting of wheat flour, starch, extracted soy flour or a mixture of two or more thereof. The adhesive thus formed fundamentally solves the problem of harmful formaldehyde dissipation, which was included in conventional wood adhesives, and also prevents the generation of volatile organics since no organic solvent is used.

그리고 상기 접착층(15) 하부 면에 형성되는 상기 코팅층(17)은 우레탄 재질 또는 자외선 경화도료의 도포에 의하여 형성된다.In addition, the coating layer 17 formed on the lower surface of the adhesive layer 15 is formed by applying a urethane material or an ultraviolet curable paint.

상기 우레탄을 사용하여 코팅층(17)을 형성하는 방법은, 폴리우레탄 또는 하이브리드우레탄의 초속경재료를 스프레이로 분사하여 코팅층(17)을 형성한다.In the method of forming the coating layer 17 by using the urethane, the super fast-beam material of polyurethane or hybrid urethane is sprayed with a spray to form the coating layer 17.

그리고 자외선 코팅은 건조방식으로 자외선을 이용하기 때문에 열을 이용하는 라미네이팅 코팅보다 가동비용이 적게 소요될 뿐만 아니라 자외선 경화도료가 도포되어 건조된 코팅대상물은 재활용까지 가능하여 환경친화적인 코팅방식이다.In addition, since UV coating uses UV as a drying method, it requires less operating cost than laminating coating using heat, and the coating object dried by applying UV curing paint is also environmentally friendly.

이상에서 설명한 것은 본 발명에 따른 조립이 정사각형 멜라민 마루판을 실시하기 위한 것으로서, 본 발명의 상기한 실시예에 한정되지 않고, 이하의 특허청구범위에서 청구하는 바와 같이 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경실시가 가능한 범위까지 본 발명의 기술적 사상이 있다고 할 것이다.It is described above that the assembly according to the present invention is for carrying out a square melamine floorboard, and is not limited to the above-described embodiment of the present invention, and without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge in the field of the present invention will have the technical idea of the present invention to the extent that various modifications can be made.

10: 마루판, 11:멜라민층,
13: 목재층, 15: 접착층,
17: 코팅층10: floorboard, 11: melamine layer,
13: wood layer, 15: adhesive layer,
17: coating layer

Claims (4)

가로 세로의 길이가 300mm, 또는 가로 세로의 길이가 400mm, 또는 가로 세로의 길이가 450mm인 정사각형 모양이고, 일정한 두께를 형성하는 판재 형상의 목재층(13)과; 상기 목재층(13)의 상부 면에 엘라민(Melamine) 시트의 부착에 의하여 형성되는 멜라민층(11)과; 상기 목재층(13)의 하부 면에 형성되는 접착층(15); 및 상기 접착층(15) 하부 면에 우레탄 재질 또는 자외선 경화도료의 도포에 의하여 형성되는 코팅층(17)으로 구성되고,
상기 접착층(15)은 보호 콜로이드로서 폴리비닐알코올을 더 포함하는 에틸렌-초산비닐 공중합체 수지 100중량부와; 이오시아네이트 1 내지 30중량부; 및 소맥분, 전분, 콩가루 또는 이들 중 2이상의 혼합물로 이루어지는 그룹으로부터 선택되는 어느 하나의 첨가물 0.1 내지 50중량부를; 포함하여 조성된 접착제를 도포하고, 상온에서 5～10시간 건조되어 형성되며,
상기 코팅층(17)은 공중합 가능한 다관능 아크릴 올리고머 및 모노머 70～80 중량％와 공중합 가능한 아민기를 포함한 단관능 에폭시아크릴 모노머 10～30 중량％를 혼합 교반하여 올리고머 및 모노머 조성물을 조성하고, 상기 올리고머 및 모노머 조성물의 전체 중량에 대하여 5～10 중량％의 광중합 개시제를 첨가하여 조성된 자외선 경화도료를 도포한 후에, 자외선의 조사에 의하여 경화되어 형성되는 것을 특징으로 하는 정사각형 멜라민 마루판.A plate-shaped wood layer 13 having a square shape having a length of 300 mm, a length of 400 mm, or a length of 450 mm, and having a constant thickness; A melamine layer 11 formed by attachment of an melamine sheet to an upper surface of the wood layer 13; An adhesive layer 15 formed on the lower surface of the wood layer 13; And a coating layer 17 formed on the lower surface of the adhesive layer 15 by applying a urethane material or an ultraviolet curable paint.
The adhesive layer 15 is 100 parts by weight of ethylene-vinyl acetate copolymer resin further comprising polyvinyl alcohol as a protective colloid; 1 to 30 parts by weight of iocyanate; And 0.1 to 50 parts by weight of any one additive selected from the group consisting of wheat flour, starch, soy flour or a mixture of two or more thereof; Apply the adhesive, including the composition, it is formed by drying at room temperature for 5-10 hours,
The coating layer 17 is a mixture of a polyfunctional acrylic oligomer copolymerizable and 70 to 80% by weight monomer and 10 to 30% by weight of a monofunctional epoxy acrylic monomer including an amine group copolymerizable to form an oligomer and monomer composition, the oligomer and A square melamine floorboard characterized in that it is cured by ultraviolet irradiation and then formed by applying an ultraviolet curable paint formed by adding a 5 to 10% by weight photopolymerization initiator to the total weight of the monomer composition. 삭제delete 삭제delete 삭제delete
KR1020100090972A 2010-09-16 2010-09-16 A melamine-floorboard of square shape KR101188462B1 (en)

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KR100679815B1 (en) * 2006-01-26 2007-02-06 주식회사 엘지화학 Wood flooring with laminated wood and hdf using symmetric structure and process for manufacturing the same

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KR100679815B1 (en) * 2006-01-26 2007-02-06 주식회사 엘지화학 Wood flooring with laminated wood and hdf using symmetric structure and process for manufacturing the same

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