KR20030050167A - Plastic double panel - Google Patents

Plastic double panel Download PDF

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Publication number
KR20030050167A
KR20030050167A KR1020010080565A KR20010080565A KR20030050167A KR 20030050167 A KR20030050167 A KR 20030050167A KR 1020010080565 A KR1020010080565 A KR 1020010080565A KR 20010080565 A KR20010080565 A KR 20010080565A KR 20030050167 A KR20030050167 A KR 20030050167A
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KR
South Korea
Prior art keywords
layer
surface layer
molding die
composite panel
density
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KR1020010080565A
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Korean (ko)
Inventor
강기홍
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강기홍
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Priority to KR1020010080565A priority Critical patent/KR20030050167A/en
Publication of KR20030050167A publication Critical patent/KR20030050167A/en

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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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B7/02—Physical, chemical or physicochemical properties

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  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: Provided is a complex panel made of synthetic resins which blocks corrosion by humidity so that it is widely used in a washing stand, a restaurant or a public bath with much humidity as interiors. CONSTITUTION: In the complex panel made of the synthetic resins which is produced in a dual layer by passing through an extrusion molder and a molding dye, the dual layer is characterized by comprising the parts of: a surface layer which forms patterns on the surface when the molding dye is passed, with keeping fine structure and including pigment in a raw material; and a back layer which is formed by absorbing increased volume by blowing toward a hollow part with less dense than the structure of the surface layer.

Description

합성수지 복합패널{Plastic double panel}Synthetic Resin Composite Panel {Plastic double panel}

본 발명은 합성수지를 압출성형하여 제작되는 복합패널에 관한 것으로, 특히 각 층간에 서로 다른 밀도를 갖고 표면에 무늬를 형성하여 건축 및 산업자재로서 사용할 수 있는 합성수지 복합패널에 관한 것이다.The present invention relates to a composite panel manufactured by extrusion molding a synthetic resin, and more particularly to a composite resin composite panel that can be used as a building and industrial materials by forming a pattern on the surface having a different density between each layer.

일반적으로 건축 및 산업자재로서 사용되고 있는 복합패널은 원목을 갈아 가루로 만든 것(톱밥포함)에 아교를 섞어 뭉쳐 편평하게 압축시켜 만든 중간정도의 밀도를 가진 섬유판 즉, MDF(Midium Density Fiber)를 기재로 하고 그 위에 무늬목을 입혀 다양한 용도로 사용되고 있다.In general, the composite panel used as building and industrial materials is a medium density fiber board, that is, MDF (Midium Density Fiber) made by grinding flat wood by gluing glue made of ground wood (including sawdust). It is used for various purposes by coating veneer on it.

이러한 MDF와 무늬목을 적층하여 제작되는 복합패널은 전 두께에 걸쳐 섬유분배가 균일하고 조직이 치밀하여 복잡한 기계가공작업을 면이나 측면의 파열없이 수행할 수 있고, 면이 견고하고 평활하여 장식용 필름이나 베니어 등을 합판시키는데 적합하다. 이와 같이 뛰어난 안정성과 기계가공성, 높은 강도 때문에 설합측면이나 캐비넷레일, 거울틀, 모울딩 등에 원가가 비싼 원목 대신에 옷장, 이불장, 책장, 침대 등 일반가구용이나, 각종 사무용기구, 건축용 내장재로서 널리 사용되고 있다.The composite panel manufactured by laminating such MDF and veneer has a uniform fiber distribution over the entire thickness and has a dense structure, so that complex machining operations can be performed without rupture of the side or side. Suitable for veneering veneers and the like. Because of its excellent stability, machinability, and high strength, it is widely used for general furniture such as wardrobes, blankets, bookcases, beds, and other office equipment, and interior materials for building instead of expensive wood such as side surfaces, cabinet rails, mirror frames, and moldings. have.

그러나, 이러한 MDF와 무늬목으로 된 복합패널은 욕실이나, 세탁실, 물기많은 주방 등과 같이 습기가 많은 장소에 사용할 경우 내구성이 저하되어 부적합하고, 표면에 노출된 무늬목은 밀도가 낮아 외부 물체와 부딪쳤을 때 쉽게 흠이 발생하여 표면이 거칠어져 미관을 해친다는 문제점이 있었다.However, such composite panels made of MDF and veneer are not suitable for use in humid places such as bathrooms, laundry rooms, and wet kitchens, and they are not suitable for use when exposed to external objects. There is a problem that a scratch occurs and the surface is roughened to damage the aesthetics.

그래서, 습기가 많는 장소에 사용할 경우 부식을 방지함과 더불어 내구성을 향상시키기 위해 종래에는 성형성이 좋고 표면이 매끄러운 합성수지재를 압출 성형기를 통해 압출성형하는 방법을 통하여 패널을 제조하고 있으며, 또한 패널표면에 다양한 무늬를 형성하기 위해 합성수지재에 소정의 색소를 첨가하는 방법을 시행해 오고 있다.Therefore, in order to prevent corrosion and improve durability when used in a humid place, a panel is manufactured by extrusion molding a synthetic resin material having a good moldability and a smooth surface through an extrusion molding machine. In order to form various patterns on the surface, a method of adding a predetermined dye to a synthetic resin material has been implemented.

전술한 바와 같이 압출성형한 패널은 목재패널의 문제점인 외부물체와 접촉하였을 때 쉽게 흠이 발생되는 것을 방지하기 위해, 패널의 조직을 치밀하게 즉, 밀도를 높게 제작하고 있다.As described above, the extruded panel is manufactured to have a high density, that is, a high density of the panel structure, in order to prevent scratches easily when contacted with an external object, which is a problem of wood panels.

그런데, 상기와 같이 패널의 조직을 치밀하게 하여 밀도를 높일수록 소요 원료량이 많아져 원가상승의 요인이 되고, 이에 따라 상대적으로 무게가 무거워져서 운반이나 건축 내장재로서 시공할 때 불편하고, 완제품 전체의 무게가 증가하게 된다는 문제점이 있었다.However, the denser the structure of the panel, the higher the density, the greater the amount of raw materials required, which leads to an increase in cost. Accordingly, the weight becomes relatively heavy, which is inconvenient when carrying or constructing a building interior material. There was a problem that the weight is increased.

본 발명은 상기한 바와 같은 문제점을 해결하기 위해 안출된 것으로, 각 층간의 밀도가 서로 다르게 압출성형하여 습기에 의한 부식을 방지하고, 표면의 밀도를 높게하면서도 전체적인 중량을 줄일 수 있도록 한 합성수지 복합패널을 제공하는데 그 목적이 있다.The present invention was devised to solve the problems described above, the composite resin composite panel to prevent the corrosion caused by moisture by the extrusion between the different density of each layer, to reduce the overall weight while increasing the density of the surface The purpose is to provide.

도 1은 본 발명에 따른 합성수지 복합패널을 나타낸 사시도,1 is a perspective view showing a synthetic resin composite panel according to the present invention,

도 2는 도 1에서 A-A선에 따른 확대단면도,2 is an enlarged cross-sectional view taken along the line A-A in FIG.

도 3은 본 발명에 따른 합성수지 복합패널 제조장치를 나타낸 개념도,3 is a conceptual view showing a synthetic resin composite panel manufacturing apparatus according to the present invention,

도 4는 본 발명에 따른 합성수지 복합패널의 성형다이를 타나낸 단면도,4 is a cross-sectional view showing a molding die of a composite resin composite panel according to the present invention;

도 5는 본 발명에 따른 합성수지 복합패널의 제조방법을 나타낸 공정도이다.5 is a process chart showing a manufacturing method of a composite resin composite panel according to the present invention.

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

100 : 복합패널 101 : 이중층100: composite panel 101: double layer

102 : 표면층 103 : 이면층102: surface layer 103: back layer

103a: 중공부 111 : 색소호퍼103a: hollow portion 111: dye hopper

112 : 발포제호퍼 113 : 압출성형기112: blowing agent hopper 113: extrusion molding machine

115 : 성형다이 115a : 중공형성부115: molding die 115a: hollow forming part

116 : 냉각장치 117 : 절단기116 cooler 117 cutter

상기한 바와 같은 목적을 달성하기 위한 본 발명은, 압출성형기와 성형다이를 통과하면서 이중층으로 복합성형되는 합성수지 복합패널에서, 상기 이중층은 조직이 치밀하여 큰 밀도를 지니면서 원료중에 색소가 투입되어 상기 성형다이를 통과하면서 표면에 무늬를 형성하도록 된 표면층과, 상기 압출성형기내에서 용융되는 원료에 발포제가 함유되어 용융과 함께 발포가 이루어져 상기 표면층보다 조직이 성글어 상대적으로 밀도가 작고, 상기 성형다이를 통과하면서 형성되는 중공부쪽으로 발포에 의해 증가되는 부피를 흡수하여 형성되는 이면층으로 이루어져 있다.The present invention for achieving the object as described above, in the composite resin composite panel is molded into a double layer while passing through the extrusion molding machine and the molding die, the double layer has a dense structure and has a large density of pigment in the raw material The surface layer is formed to form a pattern on the surface while passing through the molding die, and the foaming agent is contained in the raw material to be melted in the extruder, the foam is formed with melting, the structure is thinner than the surface layer, the density is relatively small, the molding die It consists of a backing layer formed by absorbing the volume increased by foaming towards the hollow portion formed while passing through.

상기와 같이 이루어진 본 발명에 따르면, 표면층은 밀도가 높아 외부물체와의 접촉에 의한 흠의 발생을 줄일 수 있으면서도, 이면층은 표면층보다 밀도가 낮아 동일한 부피에 대해 중량을 줄일 수 있게 된다.According to the present invention made as described above, while the surface layer has a high density to reduce the occurrence of a flaw due to contact with an external object, the back layer has a lower density than the surface layer can reduce the weight for the same volume.

이하 본 발명의 바람직한 실시예를 첨부한 예시도면을 참조하여 자세히 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 1은 본 발명에 따른 합성수지 복합패널을 나타낸 사시도이고, 도 2는 도 1에서 A-A선에 따른 단면도이다.1 is a perspective view showing a composite resin composite panel according to the present invention, Figure 2 is a cross-sectional view taken along the line A-A in FIG.

도면에 나타낸 바와 같이 본 발명의 복합패널(100)은, 각 층의 밀도가 서로 다른 이중층(101)으로 되어 있다.As shown in the figure, the composite panel 100 of the present invention is a double layer 101 having different density of each layer.

상기 이중층(101)은 건축내장재 등으로 사용될 때 외부로 노출되어 외관이 중요시되는 표면층(102)과, 이 표면층(102)과 일체로 성형되어 복합층을 이루는 이면층(103)으로 이루어져 있다.The bilayer 101 is composed of a surface layer 102 that is exposed to the outside when used as a building interior material and the like, and a back layer 103 formed integrally with the surface layer 102 to form a composite layer.

여기서, 상기 표면층(102)은 외부로 노출되어 있어 다른 물체와 접촉시 흠이 발생되어 미적외관을 해치는 것을 방지하기 위해 조직이 치밀한 구조를 갖도록 압출성형되어 있다.In this case, the surface layer 102 is exposed to the outside and is extruded to have a dense structure in order to prevent scratches from damaging the aesthetic appearance when contacted with other objects.

그리고, 상기 표면층(102)은 표피부에는 합성수지원료에 첨가된 색소에 의해 압출성형될 때 소정의 색상을 갖는 무늬가 형성된다.In addition, the surface layer 102 has a pattern having a predetermined color when extruded by a dye added to the synthetic water support material on the skin portion.

한편, 상기 이면층(103)은 표면층(102)과 함께 압출성형되어 복합층을 형성하는 것으로 표면층(102)보다 조직이 성글어 상대적으로 밀도가 작게 층을 형성하도록 되어 있다.On the other hand, the back layer 103 is extruded together with the surface layer 102 to form a composite layer to form a layer having a relatively smaller density than the surface layer 102 is relatively dense.

여기서, 상기 이중층(103)은 후술할 압출성형기(114)내에서 호퍼(112)로 부터 공급되어 용융되는 원료에 발포제가 함유되어 용융과 함께 발포가 이루어지면서 상기 표면층(102)보다 조직이 성글어 상대적으로 밀도가 작아지고, 후술할 성형다이(115)를 통과하면서 형성되는 중공부(103a)쪽으로 발포에 의해 증가되는 부피를 흡수할 수 있도록 되어 있다.Here, the double layer 103 contains a foaming agent in the raw material that is supplied from the hopper 112 in the extrusion molding machine 114 to be described later to melt and foamed together with the melting, the texture is thinner than the surface layer 102 The density is relatively small, and the volume increased by foaming can be absorbed toward the hollow portion 103a formed while passing through the molding die 115 to be described later.

상기한 이중층(101)의 단면형상은 합성수지재로 이루어져 성형성이 우수하여 다양한 형상으로 제작할 수 있고, 표면층(102)과 이면층(103)간의 두께비도 탄력성, 소요원가, 중량 기타 여러가지를 감안하여 다양하게 제작할 수 있다.The cross-sectional shape of the double layer 101 is made of a synthetic resin material and can be manufactured in various shapes due to its excellent moldability. The thickness ratio between the surface layer 102 and the back layer 103 is also considered in terms of elasticity, required cost, weight, and the like. Can be produced in various ways.

상기와 같이 이루어지는 본 발명의 복합패널의 제조과정을 설명하면 다음과 같다.Referring to the manufacturing process of the composite panel of the present invention made as described above are as follows.

도 3은 본 발명에 따른 합성수지 복합패널을 제조하는 장치를 나타낸 개념도이고, 도 5는 본 발명에 따른 합성수지 복합패널의 제조방법을 나타낸 공정도로서, 호퍼(111,112)에 저장된 합성수지 원료는 압출성형기(113,114)로 각각 공급되고, 압출성형기(113,114)로 공급된 원료는 고온으로 가열되어 있는 압출성형기(113, 114)내에서 용융되고, 이와 같이 용융된 원료는 압출성형기(113,114)에 의해 압출되어 선단에 구비된 소정형상의 성형다이(115)로 이송된다.3 is a conceptual diagram showing an apparatus for manufacturing a composite resin composite panel according to the present invention, Figure 5 is a process diagram showing a manufacturing method of a composite resin composite panel according to the present invention, the synthetic resin raw material stored in the hopper (111,112) is an extrusion molding machine (113,114) ) And the raw materials fed to the extruders 113 and 114 are melted in the extruders 113 and 114 which are heated to a high temperature, and the melted raw materials are extruded by the extruders 113 and 114 to the front end. It is conveyed to the molding die 115 of a predetermined shape provided.

이와 같이 성형다이(115)로 이송된 용융액은 성형다이(115)의 단면형상에 따라 성형되면서 다이(115)외부로 배출되고, 성형다이(115)외부로 배출된 반용융상태의 복합패널(100)은 냉각장치(116)에서 냉각과정을 거치면서 고화된 다음, 제품규격에 맞게 절단기(117)에서 절단되어 제조가 완료된다.The molten liquid transferred to the molding die 115 as described above is discharged to the outside of the die 115 while being molded according to the cross-sectional shape of the molding die 115, and the composite panel 100 of the semi-molten state discharged to the outside of the molding die 115. ) Is solidified while going through the cooling process in the cooling device 116, and then cut in the cutter 117 according to the product specifications to complete the manufacture.

여기서, 상기 호퍼(111,112)는 발포제가 혼합된 합성수지 원료를 저장하여 압출성형기(113)에 공급하는 발포제호퍼(111)와, 색소가 혼합된 합성수지 원료를 저장하여 압출성형기(114)에 공급하는 색소호퍼(112)로 이루어져 있다.Here, the hopper (111, 112) is a pigment for storing the foaming agent hopper 111 for storing the synthetic resin raw material mixed with a blowing agent and supplying it to the extrusion molding machine 113, and the synthetic resin raw material for mixing the pigment is supplied to the extrusion molding machine 114 It consists of a hopper 112.

또한, 각각의 호퍼(111,112)에서 공급되는 원료는 압출성형기(113,114)내에서 별도로 용융되어 하나의 성형다이(115)로 이송되고, 성형다이(115)로 이송된 각각의 용융액은 경계층에서 혼합되어 혼합층을 형성하게 된다.In addition, the raw materials supplied from the respective hoppers 111 and 112 are melted separately in the extruders 113 and 114 and transferred to one molding die 115, and the respective melt liquids transferred to the molding die 115 are mixed in the boundary layer. A mixed layer is formed.

그리고, 상기 성형다이(115)의 단면형상은 도 4에 나타낸 바와 같이, 내부에 중공형성부(115a)가 구비되어, 용융액을 압출시 내부에 상기 이면층(103)의 중공부(103a)를 형성할 수 있도록 되어 있다.In addition, as shown in FIG. 4, the cross-sectional shape of the forming die 115 is provided with a hollow forming portion 115a therein, so that the hollow portion 103a of the back layer 103 is formed therein when extruding the melt. It can be formed.

한편, 상기 발포제호퍼(111)에서 공급된 원료는 압출성형기(113)에서 용융됨과 더불어 발포되고, 이와 같이 발포상태의 용융액은 상기 성형다이(115)를 통과하면서 중공부(103a)가 형성되며, 이에 따라 발포에 의해 부피가 팽창되는 용융액은 힘이 작용하지 않는 중공부(103a)쪽으로 유동하여 중공부(103a)를 채워주면서 이면층(103)이 형성된다.On the other hand, the raw material supplied from the foaming agent hopper 111 is melted and foamed in the extrusion molding machine 113, the hollow portion 103a is formed while the melt in the foamed state passes through the molding die 115, Accordingly, the molten liquid in which the volume is expanded by foaming flows toward the hollow portion 103a where no force is applied to fill the hollow portion 103a, thereby forming the back layer 103.

그리고, 상기 색소호퍼(112)에서 공급되는 원료는 색소가 함유되어 있는바, 압출성형기(113)에서 용융되면서 성형다이(115)로 이송될 때 혼합되어 소정의 색상을 갖으면서 다이(115)에서 압출되는 조건에 따라 표면부에 다양한 무늬를 갖는 표면층(102)이 형성된다.And, the raw material supplied from the dye hopper 112 is a bar containing a pigment, it is mixed in the die 115 while being melted in the extrusion molding machine 113 is transported to the molding die 115 having a predetermined color According to the conditions to be extruded, the surface layer 102 having various patterns is formed on the surface portion.

상기와 같이 이루어진 본 발명의 합성수지 복합패널에 따르면, 패널이 합성수지재로 이루어져 습기에 의한 부식을 방지할 수 있는 효과를 얻을 수 있고, 이에 따라 습기가 많은 세면장이나 음식점 기타 목욕탕 등에서 내장재로서 유용하게 사용할 수 있게 된다.According to the synthetic resin composite panel of the present invention made as described above, the panel is made of a synthetic resin material can be obtained to prevent the corrosion caused by moisture, and thus can be usefully used as interior materials in a wet toilet or restaurant or bathroom. It becomes possible.

그리고, 표면층은 그 조직이 치밀하여 외부물체와의 접촉에 의한 흠의 발생을 줄여 미려한 외관을 오랫동안 유지할 수 있음과 더불어, 이면층은 표면층보다 밀도를 낮게 제조함으로써 전체적으로 밀도가 높은 균일한 재질로 제작한 패널보다 동일한 부피에 대해 중량을 줄일 수 있으므로써 운반이나 시공이 간편하다.In addition, the surface layer is dense in structure, thereby reducing the occurrence of flaws due to contact with an external object and maintaining a beautiful appearance for a long time, while the back layer is made of a uniform material having a high density as a whole by manufacturing a lower density than the surface layer. The weight can be reduced for the same volume than one panel, making it easy to transport and install.

또한, 동일한 부피에 대해 중량이 줄어들므로써 패널제작에 소요되는 원료량을 줄일 수 있으며, 이에 따라 원가절감효과를 얻을 수 있게 된다.In addition, by reducing the weight for the same volume it is possible to reduce the amount of raw materials required for panel production, thereby obtaining a cost reduction effect.

아울러, 표면층과 달리 이면층은 밀도가 낮아 충격흡수 능력이 향상되므로써 가정이나 체육관 등의 마루마닥재로서 유용하게 사용할 수 있는 효과도 얻을 수 있게 된다.In addition, unlike the surface layer, the back layer has a low density, so that the shock absorbing ability is improved, so that an effect that can be usefully used as a flooring material for homes or gymnasiums can be obtained.

Claims (1)

압출성형기(113,114)와 성형다이(115)를 통과하면서 이중층(101)으로 복합성형되는 합성수지 복합패널에 있어서,In the composite resin composite panel which is molded by the double layer 101 while passing through the extrusion machine 113, 114 and the molding die 115, 상기 이중층(101)은 그 조직이 치밀하여 큰 밀도를 지니면서 원료중에 색소가 포함되어 상기 성형다이(115)를 통과할 때 표면에 무늬를 형성하도록 된 표면층(102);과The bi-layer 101 is a surface layer 102, the structure is dense and has a high density, the pigment is contained in the raw material to form a pattern on the surface when passing through the molding die 115; and 상기 압출성형기(114)내에서 용융되는 원료에 발포제가 함유되어 용융과 함께 발포가 이루어져, 상기 표면층(102)보다 조직이 성글어 상대적으로 밀도가 작고, 상기 성형다이(115)를 통과하면서 형성되는 중공부(103a)쪽으로 발포에 의해 증가되는 부피를 흡수하여 형성되는 이면층(103)으로 이루어진 것을 특징으로 하는 합성수지 복합패널.A foaming agent is contained in the raw material melted in the extruder 114 and foamed together with melting, so that the structure is thinner than the surface layer 102 so that the density is relatively small, and is formed while passing through the molding die 115. Composite resin composite panel comprising a back layer (103) formed by absorbing the volume increased by the foam toward the hollow portion (103a).
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WO2009136750A3 (en) * 2008-05-09 2010-01-21 한화엘앤씨 주식회사 Artificial wood production method, and an artificial wood produced thereby
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US10550582B2 (en) 2009-12-22 2020-02-04 Flooring Industries Limited, Sarl Panel, covering and method for installing such panels
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