KR100751283B1 - Adhering sheet of a thin wood sheet - Google Patents

Adhering sheet of a thin wood sheet Download PDF

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Publication number
KR100751283B1
KR100751283B1 KR1020060106497A KR20060106497A KR100751283B1 KR 100751283 B1 KR100751283 B1 KR 100751283B1 KR 1020060106497 A KR1020060106497 A KR 1020060106497A KR 20060106497 A KR20060106497 A KR 20060106497A KR 100751283 B1 KR100751283 B1 KR 100751283B1
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South Korea
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basis weight
sheet
adhesive
veneer
base paper
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KR1020060106497A
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Korean (ko)
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이명열
손영기
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고중신
손영기
김범준
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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
    • 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
    • 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
    • B32B21/06—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 paper or cardboard
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

A cover sheet of a veneer sheet is provided to prevent cracks or deformation of the veneer sheet and to cut down the cost by simplifying a manufacturing process. A cover sheet attached to a veneer(30) by thermal pressing is composed of a base sheet(10) made of the mixture of fiber of 3~60wt.% and pulp and an adhesive agent(20) formed on one surface of the base sheet. The base sheet has thickness of 60~180 micrometers if basis weight is 30g/m^2 and thickness of 100~250 micrometers if basis weight is 50g/m^2. The adhesive agent consists of PVAc(Polyvinyl Acetate-Homopolymer or Co-polymer) or acrylic emulsion as a main ingredient and a potential hardening agent of 0.1~10.wt.% such as aluminum sulfate, boric acid, isocyanate pre-polymer, glyoxal, melamine resin, or urea resin. The amount of the adhesive agent is changed at 20~45g/m^2, 46~60g/m^2, and 61~100g/m^2 according to the basis weight of the base sheet of 20, 30, and 50g/m^2, respectively.

Description

무늬목 시트의 배접지{Adhering sheet of a thin wood sheet} Backing paper of veneer sheet {Adhering sheet of a thin wood sheet}

도 1은 본 발명에 따른 무늬목 시트의 배접지의 단면 구성도, 1 is a cross-sectional configuration of the backing paper of the veneer sheet according to the present invention,

도 2는 본 발명에 따른 무늬목 시트의 배접지가 무늬목에 결합된 상태를 보여주는 단면도이다.2 is a cross-sectional view showing a state in which the backing paper of the veneer sheet according to the present invention is coupled to the veneer.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 원지 20: 접착제10: base 20: adhesive

본 발명은 무늬목 시트의 배접지에 관한 것으로, 더욱 상세하게는 무늬목의 찢어짐(crack)이나 변형 등을 방지하되, 매우 간단한 구조로 무늬목의 일면에 접착될 수 있는 조건을 구비토록 하여 간단한 제조공정으로 원가를 크게 절감할 수 있는 무늬목 시트의 배접지에 관한 것이다.The present invention relates to a backing sheet of a veneer sheet, and more particularly, to prevent cracking or deformation of the veneer, and to provide a condition that can be adhered to one surface of the veneer with a very simple structure. It relates to a backing paper of veneer sheet, which can greatly reduce the cost.

주지한 바와 같은 무늬목 시트란, 다종의 천연 목재를 종이처럼 얇게 깎아내어 만든 시트(천연 또는 인조)로, 이때 무늬목 자체로만은 취급 또는 사용 시 찢어짐이나 균열(변형) 등이 발생하는 바, 무늬목 일면에 합침지 또는 배접지라고 불리는 이면부재를 열 압착 등으로 접착하여, 제품으로 생산하게 된다.As is well known, veneer sheet is a sheet (natural or artificial) made by cutting down various kinds of natural wood like paper, where only the veneer itself causes tearing or cracking (deformation) when handling or using it. The backing member, which is called an impregnated paper or a back ground paper, is bonded to the substrate by thermal compression or the like to produce a product.

이와 같이 구성되는 상기 무늬목 시트는 실내 장식 등 다양한 장소나 제품 등의 표면 마무리에 사용되어 마치 원목 분위기를 연출하게 되어 소비자들에게 큰 인기를 얻고 있는 인테리어 소품이다. The veneer sheet is constructed as described above is used for finishing the surface of various places and products, such as interior decoration, as if creating a wooden atmosphere, is an interior accessory that has gained great popularity among consumers.

상기 무늬목 시트와 배접지에 대한 기술은 종래에도 많이 안출된 바 있다.The technology for the veneer sheet and backing paper has been devised in the past.

그러나 상기 종래의 배접 기술은 배접지의 구성이 다소 복잡하여 무늬목 시트의 두께가 커지고, 제조 단가 등이 상승하는 요인이 있었고, 또 그 효과가 미진하여 무늬목 자체의 변형이나 찢어짐 등이 발생되었다.However, in the conventional conventional welding technique, the structure of the backing paper is rather complicated, so that the thickness of the veneer sheet is increased, the manufacturing cost is increased, and the effect thereof is insignificant, resulting in deformation or tearing of the veneer itself.

본 발명은 상기한 문제점을 해결하고자 안출된 것으로, 본 발명의 목적은 무늬목의 찢어짐(crack)이나 변형 등을 방지하되, 매우 간단한 구조로 무늬목의 일면에 접착될 수 있는 조건을 구비하여 제조가 간단하여 원가를 크게 절감할 수 있는 무늬목 시트의 배접지를 제공하는 것에 있다.The present invention has been made to solve the above problems, the object of the present invention is to prevent the cracking or deformation of the veneer, with a very simple structure having a condition that can be adhered to one side of the veneer is simple to manufacture It is to provide a backing paper of veneer sheet which can reduce the cost significantly.

이와 같은 목적을 달성하기 위한 본 발명은 무늬목에 열 압착 공정을 통하여 부착되는 배접지에 있어서, 상기 배접지는 펄프와 섬유(폴리에스터)의 혼합물로서, 상기 섬유 함량은 3~60중량%이며, 두께는 평량이 30g/m2 경우에는 60~180μm, 평량이 50g/m2 경우에는 100~250μm로 평량에 따라 두께를 가변하여 구성하는 원지와, 상기 원지의 일면에 형성되는 것으로, 주성분은 폴리비닐아세테이트(PVAc) 또는 아크릴에멀션이고, 황산알미늄, 붕산, 이소시아네이트 프리폴리머(isocyanate pre-polymer), 글리옥살, 멜라민수지, 요소수지와 같은 잠재성 경화제가 0.1~10중량% 함유된 접착제로 구성하되, 상기 접착제는 상기 원지의 평량이 20g/m2 경우에는 접착제의 양이 20~45g/m2, 상기 원지의 평량이 30g/m2 경우에는 접착제의 양이 46~60g/m2, 상기 원지의 평량이 50g/m2 경우에는 접착제의 양이 61~100g/m2으로 평량에 따라 접착제의 양을 가변하여 주는 특징을 가진다.In the present invention for achieving the above object in the backing paper attached to the veneer through the thermal compression process, the backing paper is a mixture of pulp and fiber (polyester), the fiber content is 3 to 60% by weight, thickness The basis weight is 60 ~ 180μm when the basis weight is 30g / m 2 , 100 ~ 250μm when the basis weight is 50g / m 2 and the base is composed of varying the thickness according to the basis weight, and is formed on one side of the base paper, the main component is polyvinyl Acetate (PVAc) or acrylic emulsion, consisting of an adhesive containing 0.1 to 10% by weight of a latent curing agent such as aluminum sulfate, boric acid, isocyanate prepolymer, glyoxal, melamine resin, urea resin, When the basis weight of the base paper is 20g / m 2 , the amount of adhesive is 20 ~ 45g / m 2 , when the basis weight of the base paper is 30g / m 2 The amount of adhesive is 46 ~ 60g / m 2 , the basis weight of the base paper If this is 50g / m 2 The amount of the agent is 61 ~ 100g / m 2 It is characterized by varying the amount of adhesive according to the basis weight.

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이하 첨부된 도면의 참조하여 본 발명의 바람직한 실시 예들을 이하 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 무늬목 시트의 배접지의 단면 구성도이다.1 is a cross-sectional configuration of the backing paper of the veneer sheet according to the present invention.

도시된 바와 같이, 본 발명에 따른 무늬목 시트의 배접지는 원지(10)와 접착제(20)를 포함한다.As shown, the backing paper of the veneer sheet according to the present invention comprises a base paper 10 and an adhesive 20.

상기 원지(10)는 종이재로서, 펄프(Pulp)와 섬유의 혼합물로 구성된다.The base paper 10 is a paper material, and is composed of a mixture of pulp and fiber.

상기 섬유는 폴리에스터(Polyester)이며, 섬유의 길이는 0.1~15mm의 것을 사용하는 것이 바람직하다.The fiber is polyester, and the length of the fiber is preferably 0.1 ~ 15mm.

상기 섬유의 함량은 3~60중량%가 바람직하다.The content of the fiber is preferably 3 to 60% by weight.

상기 원지(10)의 두께는 원지(10)의 평량에 따라 가변되도록 구성된다.The thickness of the base paper 10 is configured to vary according to the basis weight of the base paper 10.

즉 아래의 <표 1>에 기재된 바와 같이 원지(10)의 평량이 30g/m2 경우에는 원지(10)의 두께는 60~180μm이고, 원지(10)의 평량이 50g/m2 경우에는 원지(10)의 두께는 100~250μm가 바람직하다.That is, as shown in Table 1 below, when the basis weight of the base paper 10 is 30 g / m 2 , the thickness of the base paper 10 is 60 to 180 μm, and when the basis weight of the base paper 10 is 50 g / m 2 , As for the thickness of (10), 100-250 micrometers is preferable.

<표 1> TABLE 1

원지의 평량Basis weight 원지의 두께Thickness of paper 30g/m2 30 g / m 2 60~180μm60 to 180 μm 50g/m2 50 g / m 2 100~250μm100-250 μm

이와 같이 구성되는 원지(10)는 실험결과, 접착제(20)와의 혼화성(밀착성, 접착성)이 좋고, 접착제(20)의 침투성이 양호하고, 질기며, 분리현상이 없게 되는 점을 발견하였다.As a result of the experiment, the base paper 10 thus constructed was found to have good compatibility (adhesiveness, adhesiveness) with the adhesive 20, good permeability of the adhesive 20, toughness, and no separation. .

한편, 상기 접착체(20)는 상기 원지(10)의 일면에 형성되는 것으로, 주성분은 폴리비닐아세테이트(PVAc: Polyvinyl Acetate - Homopolmer or Co-polymer) 또는 아크릴에멀션(Acrylic Emulsion)이다.On the other hand, the adhesive 20 is formed on one surface of the base paper 10, the main component is polyvinyl acetate (PVAc: Polyvinyl Acetate-Homopolmer or Co-polymer) or acrylic emulsion (Acrylic Emulsion).

또한, 상기 접착제(20)는 유리전이온도(Tg: glass transition temperature)가 -30~50℃인 것이 바람직하다.In addition, the adhesive 20 preferably has a glass transition temperature (Tg) of -30 to 50 ° C.

또한, 상기 접착제(20)에는 내열, 내수 및 기타 내구력을 증가시키기 위하여 잠재성 경화제가 0.1~10중량% 함유된다.In addition, the adhesive 20 contains 0.1 to 10% by weight of a latent curing agent to increase heat resistance, water resistance, and other durability.

상기 잠재성 경화제는 황산알미늄, 붕산, 이소시아네이트 프리폴리머(isocyanate pre-polymer), 붕산, 글리옥살, 멜라민수지, 요소수지 등이 바람직 하다.The latent curing agent is preferably aluminum sulfate, boric acid, isocyanate prepolymer, boric acid, glyoxal, melamine resin, urea resin and the like.

이와 같이 구성되는 접착제(20)는 실험결과, 내수성이 D2 등급이상이며, 내열성은 150℃까지 견디며, 내용제성이 우수하다. 또한 상온에서 적당한 경도(hardness)를 유지하고 수축, 팽창이 적고, 열압착 부착시 경도가 너무 높아 무늬목이 변형되지 않으며, 장시간 사용 후에도 물성이 계속 유지됨을 알 수 있었다.As a result of the experiment, the adhesive 20 having the above-mentioned water resistance is D 2 or higher grade, heat resistance up to 150 ° C, and excellent solvent resistance. In addition, it was found that proper hardness is maintained at room temperature, shrinkage and expansion are small, and the hardness is too high during thermocompression bonding, so that the veneer is not deformed, and the physical properties are maintained even after long time use.

이와 같이 구성되는 원지(10) 및 접착제(20)는 그 구성 비율이 매우 중요하다.The composition ratio of the base paper 10 and adhesive agent 20 comprised in this way is very important.

즉 본 발명에 따르자면, 상기 원지(10)에 접착되는 접착제(20)는 원지(10)의 평량에 따라 그 양이 일정하게 가변되는 점이다.In other words, according to the present invention, the amount of the adhesive 20 adhered to the base paper 10 is constantly changed according to the basis weight of the base paper 10.

아래 <표 2>에는 상기 원지(10)의 평량에 따른 접착제(20)의 양이 기재되어 있다.In Table 2 below, the amount of the adhesive 20 according to the basis weight of the base paper 10 is described.

<표 2> TABLE 2

원지의 평량Basis weight 접착제의 양Amount of glue 20g/m2 20g / m 2 20~45g/m2 20 ~ 45g / m 2 30g/m2 30 g / m 2 46~60g/m2 46 ~ 60g / m 2 50g/m2 50 g / m 2 61~100g/m2 61 ~ 100g / m 2

즉 원지(10)의 평량이 20g/m2 경우에는 접착제(20)의 양이 20~45g/m2, 원지(10)의 평량이 30g/m2 경우에는 접착제(20)의 양이 46~60g/m2, 원지(10)의 평량이 50g/m2 경우에는 접착제(20)의 양이 61~100g/m2가 바람직하다.That is, when the basis weight of the base paper 10 is 20 g / m 2 , the amount of the adhesive 20 is 20 to 45 g / m 2 , and when the basis weight of the base paper 10 is 30 g / m 2 , the amount of the adhesive 20 is 46˜. When the basis weight of 60 g / m <2> and the base paper 10 is 50 g / m <2> , the quantity of the adhesive agent 20 is preferable 61-100 g / m <2> .

이렇게 하여 구성된 상기 원지(10) 및 접착체(20)의 결합 배접지는 도 2에 도시된 바와 같이, 상기 접착제(10)의 일면에 무늬목(30)을 열 압착 등의 공정을 통해 부착시킴으로써 제품으로 완성되게 된다.As shown in Figure 2, the bond backing of the base paper 10 and the adhesive body 20 configured in this way, by attaching the veneer 30 to the surface of the adhesive 10 through a process such as thermal pressing into a product Will be completed.

이때 상기 열 압착 부착 시, 배접지의 조건은 일정한 압력 및 온도에서 접착이 가능하게 되는데, 우선 배접지의 조건은 히트실(heat seal)이 가능하여 80~150℃에서 속건성(速乾性), 속경화성 접착 성질을 가지게 되며, 0.1~30kg/m2에서 접착력을 발휘하여 통상 10~20kg/m2에서 이상적인 접착력을 발휘하게 된다.At this time, when the thermal bonding is attached, the conditions of the back grounding is possible to bond at a constant pressure and temperature, first of all the conditions of the back grounding heat seal (heat seal) is possible quick drying (에서 性), fast It will have a curable adhesive property, and exhibits an adhesive force at 0.1 to 30 kg / m 2 , and usually exhibits an ideal adhesive force at 10 to 20 kg / m 2 .

또한 10~180초에서 접착력을 발휘하여 통상 30초에서 180초 사이에 접착 작업이 완료된다.In addition, the adhesive force is exhibited in 10 to 180 seconds to complete the bonding operation between 30 to 180 seconds.

이상에서와 같이 본 발명은 무늬목의 찢어짐(crack)이나 변형 등을 방지하되, 매우 간단한 구조로 무늬목의 일면에 접착될 수 있는 조건을 구비하여 제조가 간단하여 원가를 크게 절감할 수 있는 유용한 발명이다.As described above, the present invention is a useful invention that prevents the cracking or deformation of the veneer, and has a condition that can be adhered to one side of the veneer with a very simple structure, thereby simplifying manufacturing and greatly reducing the cost. .

Claims (6)

무늬목(30)에 열 압착 공정을 통하여 부착되는 배접지에 있어서, In the backing paper attached to the veneer 30 through a thermal compression process, 상기 배접지는 펄프와 섬유(폴리에스터)의 혼합물로서, 상기 섬유 함량은 3~60중량%이며, 두께는 평량이 30g/m2 경우에는 60~180μm, 평량이 50g/m2 경우에는 100~250μm로 평량에 따라 두께를 가변하여 구성하는 원지(10)와, The back ground is a mixture of pulp and fiber (polyester), the fiber content is 3 to 60% by weight, the thickness is 60 ~ 180μm when the basis weight 30g / m 2 , 100 ~ 250μm when the basis weight 50g / m 2 The base paper 10 and varying the thickness according to the basis weight, 상기 원지(10)의 일면에 형성되는 것으로, 주성분은 폴리비닐아세테이트(PVAc) 또는 아크릴에멀션이고, 황산알미늄, 붕산, 이소시아네이트 프리폴리머(isocyanate pre-polymer), 글리옥살, 멜라민수지, 요소수지와 같은 잠재성 경화제가 0.1~10중량% 함유된 접착제(20)로 구성하되, It is formed on one side of the base paper 10, the main component is polyvinylacetate (PVAc) or acrylic emulsion, and latent such as aluminum sulfate, boric acid, isocyanate prepolymer, glyoxal, melamine resin, urea resin It consists of an adhesive 20 containing 0.1 to 10% by weight of a curing agent, 상기 접착제(20)는 상기 원지(10)의 평량이 20g/m2 경우에는 접착제(20)의 양이 20~45g/m2, 상기 원지(10)의 평량이 30g/m2 경우에는 접착제(20)의 양이 46~60g/m2, 상기 원지(10)의 평량이 50g/m2 경우에는 접착제(20)의 양이 61~100g/m2으로 평량에 따라 접착제(20)의 양을 가변하여 주는 것을 특징으로 하는 무늬목 시트의 배접지.When the basis weight of the base paper 10 is 20 g / m 2 , the adhesive 20 is 20 to 45 g / m 2 , and when the basis weight of the base paper 10 is 30 g / m 2 , the adhesive ( 20) is 46 ~ 60g / m 2 , the basis weight of the base paper 10 is 50g / m 2 If the amount of the adhesive 20 is 61 ~ 100g / m 2 The amount of the adhesive 20 according to the basis weight The backing paper of the veneer sheet characterized by varying. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920703930A (en) * 1989-08-08 1992-12-18 나까무라 가헤이 Thermal Adhesive Sheet
JPH11323789A (en) 1998-05-01 1999-11-26 Minnesota Mining & Mfg Co <3M> Paper base and pressure sensitive adhesive sheet using the same
KR200231254Y1 (en) 2001-02-14 2001-07-19 박정애 nature wood-pattern sheet comprise of glueing surface
KR20040025265A (en) * 2002-09-19 2004-03-24 박주용 Wood sheets and manufacturing method thereof
KR200385260Y1 (en) 2005-03-14 2005-05-25 중앙특수제지(주) Environmental Friendly and Functional Base Sheet for Wallpaper
KR100553980B1 (en) 2005-07-28 2006-02-22 이경우 Decoration sheet and making method of that

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920703930A (en) * 1989-08-08 1992-12-18 나까무라 가헤이 Thermal Adhesive Sheet
JPH11323789A (en) 1998-05-01 1999-11-26 Minnesota Mining & Mfg Co <3M> Paper base and pressure sensitive adhesive sheet using the same
KR200231254Y1 (en) 2001-02-14 2001-07-19 박정애 nature wood-pattern sheet comprise of glueing surface
KR20040025265A (en) * 2002-09-19 2004-03-24 박주용 Wood sheets and manufacturing method thereof
KR200385260Y1 (en) 2005-03-14 2005-05-25 중앙특수제지(주) Environmental Friendly and Functional Base Sheet for Wallpaper
KR100553980B1 (en) 2005-07-28 2006-02-22 이경우 Decoration sheet and making method of that

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