KR20160092279A - Environment-friendly plywood using corn stalk and method for preparing thereof - Google Patents

Environment-friendly plywood using corn stalk and method for preparing thereof Download PDF

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KR20160092279A
KR20160092279A KR1020150012706A KR20150012706A KR20160092279A KR 20160092279 A KR20160092279 A KR 20160092279A KR 1020150012706 A KR1020150012706 A KR 1020150012706A KR 20150012706 A KR20150012706 A KR 20150012706A KR 20160092279 A KR20160092279 A KR 20160092279A
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South Korea
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sheet
plywood
mixture
eco
friendly
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KR1020150012706A
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Korean (ko)
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송봉섭
김정근
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송일섭
정주
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Priority to KR1020150012706A priority Critical patent/KR20160092279A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like

Abstract

The present invention relates to eco-friendly plywood using corn stalks, and to a preparation method thereof. More particularly, the eco-friendly plywood is prepared by drying a mixture of corn stalks and vegetable starch, preparing a sheet by pressing and molding the mixture, and applying a liquid ceramic binder to the sheet. The prepared plywood is flame retardant and eco-friendly, and has excellent cost-efficiency.

Description

옥수수대를 이용한 친환경 합판 및 그 제조방법{Environment-friendly plywood using corn stalk and method for preparing thereof}BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an environment- friendly plywood using corn stones,

본 발명은 옥수수대를 이용한 친환경 합판 및 그 제조방법에 관한 것으로서, 보다 상세하게는 옥수수대 및 식물성 전분의 혼합물을 건조시킨 후, 이를 프레스 및 성형하여 시트를 제조하고, 상기 시트에 액상 세라믹 바인더를 도포하여 제조된 합판으로서, 난연성이고 친환경적이며, 경제성이 우수한 친환경 합판 및 그 제조방법에 관한 것이다.More particularly, the present invention relates to an eco-friendly plywood using cornstarch and a method for producing the same, and more particularly, to a method for producing an eco-friendly plywood using cornstarch, The present invention relates to an eco-friendly plywood which is flame retardant, environmentally friendly, and excellent in economy, and a method for producing the same.

합판이라 함은 건축자재, 마감재, 인테리어 자재, 가구제조용 자재 등으로 총칭되는데, 육상과 해상을 포함하는 생활공간과 작업공간의 실내외 마감재라 할 수 있는바, 최근에 이르러 난연성과 소재의 친환경성이 의무적으로 요구되고 있다고 하여도 과언이 아닐 정도로 합판은 예민하고 까다로운 조건이 충족되어야 한다.Plywood is a general term for building materials, finishing materials, interior materials and furniture manufacturing materials. It can be used as indoor and outdoor finishing materials for living space and work space including land and sea. Recently, flame retardancy and environment friendliness of materials It is not an exaggeration to say that it is mandatory, but the plywood must satisfy the sensitive and demanding conditions.

이에 공개특허 10-2011-0000212호를 살피면, 종이(또는 폐지) 기재에 생분해성 중합체를 1 내지 100 미크론 두께로 코팅을 한 보드에 관한 것인 바, 상술한 중합체는 재료의 특성상 친환경적이지 못하고 난연성이 불량한 문제가 있다.In view of the above, the present invention relates to a board coated with a biodegradable polymer at a thickness of 1 to 100 microns on a paper (or waste paper) base material. The above-mentioned polymer is not environmentally friendly, There is this bad problem.

또한, 등록특허 10-1235736호(내외장용 판넬 제조방법)을 살피면, 이는 마그네슘과 황토, 숯, 녹차, 송진 중에서 선택된 어느 하나 이상의 판넬소재 분말을 기설정된 두께로 소결 또는 가열 압착시켜 형성된 베이스판을 준비하고, 베이스판의 일측면 상에 접착제를 도포하여 도배지를 접착시키며 도배지 위에 무기질 소재를 코팅하여 코팅층을 이루고, 코팅층 위에 인쇄를 한 판넬인 바, 상술한 코팅층을 형성시킬 때 하나 이상의 색상을 가지는 색실이 배열이 되도록 하고 있다. 이는 재료가 친환경적이고 어느 정도의 난연 기능을 가지고 있지만, 충격에 취약하고 중량이 무거우며 제작단가가 높아서 경제성이 불량한 문제가 있다.In addition, in the case of Patent Document 10-1235736 (method for manufacturing panel for interior and exterior use), it is a base plate formed by sintering or heat-pressing at least one panel material powder selected from magnesium, yellow earth, charcoal, green tea, A substrate coated with an adhesive on one side of the base plate to adhere the coated substrate and coating an inorganic material on the substrate to form a coating layer and printing on the coating layer; The color room is arranged to be an array. This material is environmentally friendly and has some degree of flame retardant function, but it is vulnerable to impact, heavy in weight, high in manufacturing cost, and poor in economy.

다음, 공개특허 10-2005-0048983호(난연처리된 종이 하니컴을 심재로 한 불연복합판넬)에 대해 살피면, 이는 종이로 된 벌집 형상의 심재의 외측에 페놀수지로 제조한 페놀FRP판을 접착제로 접착시킨 판넬인 바, 상술한 심재는 난연도료를 도포시킬 수도 있고 또는 난연도료에 침적을 시켜 건조를 시킨 것일 수도 있다. 이는 재료가 친환경적이지 못한 문제가 있다.Next, a description will be given of a patent document 10-2005-0048983 (a fire-retardant composite panel using a flame-retarded paper honeycomb as a core), which is a phenolic FRP plate made of a phenol resin on the outer side of a honeycomb- In the panel bonded together, the above-described core material may be coated with a flame-retardant paint or may be dried by immersion in a flame-retardant paint. This is a problem in that the material is not environmentally friendly.

다음, 등록특허 10-0826958호(벌집형 내장재와 이를 구비하는 판넬과 벌집형 내장재 제조방법 및 판넬 제조방법)를 살피면, 이는 벌집형 종이 내장재에 페놀수지, 멜라민수지, 폴리에스터수지 등의 결합제를 도포하고 그 위에 비철금속을 코팅한 것인 바, 난연 기능은 어느 정도 유지가 될 수 있으나 결합제가 친환경적이지 못한 문제가 있다.Considering the honeycomb inner material, the panel having the honeycomb inner material and the method for manufacturing the honeycomb inner material, and the method for manufacturing the panel, it is possible to use a binder such as phenol resin, melamine resin, And the non-ferrous metal is coated thereon, the flame retarding function can be maintained to some extent, but the binder is not environmentally friendly.

따라서, 흡습, 난연성 유독성의 문제를 해결하면서 친환경적인 합판의 개발이 요구되고 있다.Therefore, development of an environmentally friendly plywood has been demanded while solving the problem of moisture absorption, flame retardancy and toxicity.

본 발명은 상기와 같은 종래기술의 문제점을 해결하고자 한 것으로, 난연성이고 친환경적이며, 경제성이 우수한 친환경 합판 및 그 제조방법을 제공하는 것을 기술적 과제로 한다.Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an environmentally friendly plywood that is flame retardant, environmentally friendly, and economical.

상기한 기술적 과제를 해결하고자 본 발명은, 옥수수대 및 식물성 전분의 질량비가 8~12:1인 혼합물을 제조하는 혼합 단계; 상기 혼합물을 건조시키는 건조 단계; 건조된 혼합물을 프레스 및 성형하여 시트를 제조하는 프레스 및 성형 단계; 상기 시트에 액상 세라믹 바인더를 도포한 후, 가열하여 수분을 제거하는 세라믹 도포 단계; 및 수분이 제거된 시트지를 가열하여 합판을 제조하는 시트 가열 단계를 포함하는 친환경 합판 제조방법을 제공한다.In order to solve the above-mentioned technical problems, the present invention provides a method for preparing a mixture comprising a mixture of cornstarch and vegetable starch in a weight ratio of 8 to 12: 1; Drying the mixture; A pressing and molding step of producing a sheet by pressing and molding the dried mixture; A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And a sheet heating step of heating the sheet having moisture removed thereto to produce a plywood sheet.

본 발명의 다른 측면에 따르면, 상기 방법으로 제조된 친환경 합판이 제공된다.According to another aspect of the present invention, there is provided an environmentally friendly plywood produced by the above method.

본 발명에 따른 친환경 합판은 난연성이고, 친환경적이며 폐기처분되는 물질을 재활용하여 제조하기 때문에 기존의 합판에 비해 제작 단가가 저렴하여 경제성이 뛰어나다.The eco-friendly plywood according to the present invention is flame retardant, eco-friendly, and manufactured by recycling materials to be disposed of.

도 1 내지 도 3은 실시예에서 본 발명의 방법으로 제조된 친환경 합판의 일예를 촬영한 사진이다.1 to 3 are photographs of an example of an environmentally friendly plywood manufactured by the method of the present invention in the examples.

이하, 본 발명을 보다 상세하게 설명한다.Hereinafter, the present invention will be described in more detail.

본 발명의 친환경 합판 제조방법은 옥수수대 및 식물성 전분의 질량비가 8~12:1인 혼합물을 제조하는 혼합 단계; 상기 혼합물을 건조시키는 건조 단계; 건조된 혼합물을 프레스 및 성형하여 시트를 제조하는 프레스 및 성형 단계; 상기 시트에 액상 세라믹 바인더를 도포한 후, 가열하여 수분을 제거하는 세라믹 도포 단계; 및 수분이 제거된 시트지를 가열하여 합판을 제조하는 시트 가열 단계 포함하는 것을 특징으로 한다.The method for producing an eco-friendly plywood of the present invention comprises: a mixing step of preparing a mixture having a mass ratio of cornstalk and vegetable starch of 8 to 12: 1; Drying the mixture; A pressing and molding step of producing a sheet by pressing and molding the dried mixture; A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And a sheet heating step for producing a plywood by heating the sheet having moisture removed therefrom.

본 명세서에 기재된 파쇄기, 건조장치, 분사장치, 열 처리기 등은 모두 공지의 기술로 제작이 가능함은 물론 시중에서 구입할 수 있는 것을 사용할 수 있다.The crusher, the drying apparatus, the spraying apparatus, the heat treatment apparatus, and the like described in the present specification can be manufactured by any known technique, and also commercially available products can be used.

상기 혼합 단계에서는 옥수수대 및 식물성 전분의 질량비가 8~12:1인 혼합물을 제조할 수 있다. 본 발명의 주재료인 옥수수대는 폐기 처분되는 것을 재활용할 수 있기 때문에, 매우 친환경적임은 물론 제작 단가를 혁신적으로 절감시킬 수 있으며, 식물성 전분은 증점 및 증량제의 역할을 수행다. 또한, 옥수수대와 식물성 전분은 인체에 무해하므로 친환경적이다. In the mixing step, a mixture having a mass ratio of corn bran and vegetable starch of 8 to 12: 1 can be prepared. Since the cornstarch which is the main material of the present invention can be recycled, the plant cornstarch can be revolutionized not only in being environmentally friendly but also in manufacturing cost, and the vegetable starch acts as a thickening and expanding agent. In addition, cornstarch and vegetable starch are environmentally friendly because they are harmless to human body.

상기 혼합 단계에서 사용하는 옥수수대는 가로와 세로의 길이가 5 cm 이내의 크기를 갖는 것일 수 있으며, 상기 혼합 단계 전에 옥수수대를 가로와 세로의 길이가 각각 5 cm 이내(예컨대 0.5~5 cm)의 크기가 되도록 파쇄하는 파쇄 단계를 수행할 수 있다. 상기 파쇄 단계는 파쇄기를 사용하여 수행될 수 있다.The cornstalk used in the mixing step may have a length of 5 cm or less in length and a cornstalk length of 5 cm or less (for example, 0.5 to 5 cm) And a crushing step of crushing the crushed material to a predetermined size. The crushing step may be carried out using a crusher.

혼합 단계 후, 상기 혼합물을 건조시키는 건조 단계를 수행할 수 있다. 이는 원료에 함유된 수분의 탈수 목적으로 수행되며, 특별히 한정하지 않으나, 상기 건조 단계에서는 건조기를 사용하여 혼합물을 85~100℃에서 4~10분간 가열할 수 있다. 건조 단계를 수행하면 옥수수대 및 식물성 전분의 혼합물이 건조되어, 성형할 수 있는 상태가 된다.After the mixing step, a drying step of drying the mixture can be carried out. This is performed for the purpose of dehydrating water contained in the raw material, and is not particularly limited, but in the drying step, the mixture may be heated at 85 to 100 ° C for 4 to 10 minutes using a drier. When the drying step is carried out, the mixture of the cornstalks and the vegetable starch is dried and becomes in a state ready for molding.

프레스 및 성형 단계에서는 상기 건조단계에서 건조된 혼합물을 프레스 및 성형하여 시트를 제조할 수 있다. 특별히 한정하지 않으나, 3톤의 프레스와 성형틀을 이용하여 압력을 가하여 합판 시트 형태를 제조할 수 있다. In the press and molding step, the mixture dried in the drying step may be pressed and formed to produce a sheet. Although not particularly limited, it is possible to produce a plywood sheet form by applying pressure using a three-tone press and a molding die.

특별히 한정하지 않으나, 상기 시트는 두께 3cm~30cm, 폭 2m~2.5m으로 제조될 수 있다. Though not particularly limited, the sheet may be manufactured to have a thickness of 3 cm to 30 cm and a width of 2 m to 2.5 m.

세라믹 도포 단계에서는 프레스 및 성형 단계에서 제조된 시트에 분사 장치를 이용하여 액상 세라믹 바인더(무기 바인더)를 도포한 후, 이를 가열할 수 있다. 상기 액상 세라믹 바인더는 무기세라믹 바인더로서 친환경적인 바인더로서의 기능이 뛰어나고 불연성의 특성을 가지고 있다. 특별히 한정하지 않으나, 액상 세라믹 바인더는 시트 전체 중량 100%에 대하여 5~30중량%로 코팅 처리될 수 있다.In the ceramic application step, a liquid ceramic binder (inorganic binder) is applied to the sheet produced in the pressing and molding step using an injection device, and then it can be heated. The liquid ceramic binder is an inorganic ceramic binder and has an excellent function as an environmentally friendly binder and has a nonflammable property. Although not particularly limited, the liquid ceramic binder may be coated with 5 to 30% by weight based on 100% of the total weight of the sheet.

특별히 한정하지 않으나, 상기 세라믹 도포 단계에서는 잔존 수분의 제거를 위해 건조 로울러를 이용하여 액상 세라믹 바인더가 도포된 시트를 80~100℃에서 3~5분간 가열할 수 있다.Although not particularly limited, in the ceramic coating step, a sheet coated with a liquid ceramic binder using a drying roller can be heated at 80 to 100 ° C for 3 to 5 minutes to remove residual moisture.

시트 가열 단계에서는 수분이 제거된 시트지를 가열하여 합판을 제조할 수 있다. 특별히 한정하지 않으나, 열판 로울러를 이용하여 수분이 제거된 시트지를 170~190℃로 3~5분간 가열할 수 있다.In the sheet heating step, the laminated sheet can be produced by heating the sheet on which moisture has been removed. Although not particularly limited, the sheet paper from which moisture has been removed can be heated at 170 to 190 DEG C for 3 to 5 minutes by using a heating plate roller.

본 발명의 또 다른 측면에 따르면, 상기 방법으로 제조된 친환경 합판이 제공된다. According to another aspect of the present invention, there is provided an environmentally friendly plywood produced by the above method.

한편, 본 발명의 실시로 인하여 최종적으로 얻어지는 합판은 다양한 형태로 변화가 될 수 있는바, 상기에서 제시되는 수치는 반드시 본 발명을 한정하지 않으며, 얼마든지 증가 또는 감소가 될 수 있다.Meanwhile, since the final plywood obtained by the practice of the present invention can be changed into various forms, the numerical values set forth above do not necessarily limit the present invention and can be increased or decreased as much as possible.

본 발명에서 사용되는 재료 및 첨가제는 모두 친환경적인 성질을 가지며, 규산질계 액상 세라믹 바인더는 본 발명의 합판이 난연기능을 갖도록 하는 중요한 역할을 한다. The materials and additives used in the present invention are environmentally friendly, and the siliceous liquid-phase ceramic binder plays an important role in ensuring that the plywood of the present invention has a flame retarding function.

상기와 같은 방법으로 제조된 본 발명의 친환경 합판은 난연성이고, 친환경적이며 폐기처분되는 물질을 재활용하여 제조하기 때문에 기존의 합판에 비해 제작 단가가 저렴하여 경제성이 뛰어나다.
The eco-friendly plywood of the present invention manufactured by the above-described method is flame retardant, environmentally friendly, and is manufactured by recycling the material to be disposed of. Therefore, it is more economical than conventional plywood.

이하, 실시예 및 비교예를 통하여 본 발명을 보다 상세하게 설명한다. 그러나, 본 발명의 범위가 이들로 한정되는 것은 아니다.
Hereinafter, the present invention will be described in more detail with reference to examples and comparative examples. However, the scope of the present invention is not limited thereto.

[[ 실시예Example ] ]

옥수수대를 가로 및 세로의 길이가 5 cm 이내가 되도록 파쇄한 후, 옥수수대 및 식물성 전분의 질량비가 10:1인 혼합물을 제조하였다. 그 후, 상기 혼합물을 건조기에서 90℃로 5분간 건조시켜 탈수시킨 후, 건조된 혼합물을 3톤의 프레스와 성형틀을 이용하여 압력을 가하여 두께 20cm, 폭 2.2m의 시트를 제조하였다. 제조된 시트에 액상 세라믹 바인더를 시트 100중량%에 대해 20중량%로 도포한 후, 건조 로울러로 90℃에서 5분간 통과시켰다. 그 후, 수분이 제거된 시트를 180℃의 열판 로울러에 4분간 가열하여 친환경 합판을 제조하였다. The cornstalks were crushed to a length of 5 cm or less in length and a mixture of cornstarch and vegetable starch in a weight ratio of 10: 1 was prepared. Thereafter, the mixture was dried in a drier at 90 DEG C for 5 minutes and dehydrated, and then the dried mixture was pressurized using a 3-ton press and a molding die to prepare a sheet having a thickness of 20 cm and a width of 2.2 m. A liquid ceramic binder was applied to the prepared sheet in an amount of 20% by weight based on 100% by weight of the sheet, and then passed through a drying roller at 90 캜 for 5 minutes. Thereafter, the sheet from which moisture had been removed was heated in a hot plate roller of 180 DEG C for 4 minutes to produce an environmentally friendly plywood.

제조된 친환경 합판에 대해 KS F 2271:1998 시험방법에 의거하여 난연성 평가를 하였으며(3회 실시), 그 결과를 하기 표 1에 기재하였다. 또한, KS F 3104에 의거하여 친환경 합판이 품질 기준에 부합하는지를 측정하고, 그 결과를 하기 표 2에 기재하였다.The produced green plywood was evaluated for flame retardancy based on the test method of KS F 2271: 1998 (conducted 3 times), and the results are shown in Table 1 below. In accordance with KS F 3104, whether or not the environment-friendly plywood meets the quality standards was measured, and the results are shown in Table 2 below.

Figure pat00001
Figure pat00001

Figure pat00002
Figure pat00002

상기 표 1 및 표 2로부터 알 수 있는 바와 같이, 본 발명의 친환경 합판은 난연성이 우수하고, 친환경적임을 확인할 수 있다. 또한, 품질기준에 부합하는 휨강도, 박리강도 등의 물성을 확보하면서, 제조 단가를 절감할 수 있음을 알 수 있었다.As can be seen from Tables 1 and 2, the eco-friendly plywood of the present invention has excellent flame retardancy and is environmentally friendly. It was also found that the manufacturing cost can be reduced while ensuring the physical properties such as the bending strength and the peel strength in accordance with the quality standards.

Claims (6)

옥수수대 및 식물성 전분의 질량비가 8~12:1인 혼합물을 제조하는 혼합 단계;
상기 혼합물을 건조시키는 건조 단계;
건조된 혼합물을 프레스 및 성형하여 시트를 제조하는 프레스 및 성형 단계;
상기 시트에 액상 세라믹 바인더를 도포한 후, 가열하여 수분을 제거하는 세라믹 도포 단계; 및
수분이 제거된 시트지를 가열하여 합판을 제조하는 시트 가열 단계를 포함하는 친환경 합판 제조방법.A mixing step of preparing a mixture of cornstarch and vegetable starch in a weight ratio of 8 to 12: 1;
Drying the mixture;
A pressing and molding step of producing a sheet by pressing and molding the dried mixture;
A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And
And a sheet heating step of heating the sheet from which moisture has been removed to produce a plywood. 제1항에 있어서, 상기 옥수수대는 가로와 세로의 길이가 각각 5 cm 이내인 것인, 친환경 합판 제조방법.The method of manufacturing an eco-friendly plywood according to claim 1, wherein the cornstalks are each 5 cm or less in length and width. 제1항에 있어서, 건조 단계는 상기 혼합물을 85~100℃에서 4~10분간 가열하는 것을 특징으로 하는, 친환경 합판 제조방법.2. The method of claim 1, wherein the drying step comprises heating the mixture at 85 to 100 DEG C for 4 to 10 minutes. 제1항에 있어서, 세라믹 도포 단계는 액상 세라믹 바인더가 도포된 시트를 80~100℃에서 3~5분간 가열하는 것을 특징으로 하는, 친환경 합판 제조방법.The method of manufacturing an eco-friendly plywood according to claim 1, wherein the step of applying the ceramic comprises heating the sheet coated with the liquid ceramic binder at 80 to 100 ° C for 3 to 5 minutes. 제1항에 있어서, 시트 가열 단계는 수분이 제거된 시트지를 170~190℃로 3~5분간 가열하는 것을 특징으로 하는, 친환경 합판 제조방법.The method of manufacturing an eco-friendly plywood according to claim 1, wherein the sheet heating step heats the sheet having moisture removed therefrom at 170 to 190 ° C for 3 to 5 minutes. 제1항 내지 제5항 중 어느 한 항에 따른 방법으로 제조된 친환경 합판.6. Eco-friendly plywood made by the process according to any one of claims 1 to 5.
KR1020150012706A 2015-01-27 2015-01-27 Environment-friendly plywood using corn stalk and method for preparing thereof KR20160092279A (en)

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