KR101631815B1 - Eco-friendly and Optical Dulling Agent-free UV Board Manufacturing Method - Google Patents

Eco-friendly and Optical Dulling Agent-free UV Board Manufacturing Method Download PDF

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KR101631815B1
KR101631815B1 KR1020150191842A KR20150191842A KR101631815B1 KR 101631815 B1 KR101631815 B1 KR 101631815B1 KR 1020150191842 A KR1020150191842 A KR 1020150191842A KR 20150191842 A KR20150191842 A KR 20150191842A KR 101631815 B1 KR101631815 B1 KR 101631815B1
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board
thin film
film
layer
coating layer
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도숙이
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도숙이
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10Next to a fibrous or filamentary layer
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, 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 sound only
    • E04B1/84Sound-absorbing elements
    • E04B1/86Sound-absorbing elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/941Building elements specially adapted therefor
    • E04B1/942Building elements specially adapted therefor slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/10Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00Animal or vegetable based
    • B32B2317/16Wood, e.g. woodboard, fibreboard, woodchips

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Electromagnetism (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The present invention relates to a UV board manufacturing method comprising: a step (S1) of forming a matt LPM layer on at least one plate material layer selected from a magnesium board, a plaster board, a calcium silicate board, a medium density board (MDF), a particle board (PB), or plywood (PW); a step (S2) of forming a UV painting layer on the upper or lower surface of the LPM layer of the plate material layer; a first hardening step (S3) of hardening the UV painting layer into a semi-dried state using a UV rays lamp; a step (S4) of compressing a thin film on the surface of the UV painting layer, which is in the semi-dried state, by a roller; a second hardening step (S5) of hardening the UV painting layer, on which the thin film is compressed in the semi-dried state, again using the UV rays lamp; a step (S6) of separating the thin film from the UV painting layer by rewinding the thin film; and a third hardening step (S7) of hardening the whole UV painting layer again using the UV rays lamp. The UV board manufacturing method is environmental friendly and matt as the method does not use SiO_2 as a dulling agent and completely removes a volatile organic compound (VOC).

Description

소광제를 사용하지 않으며 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적이고 무광택인 UV보드 제조방법{Eco-friendly and Optical Dulling Agent-free UV Board Manufacturing Method}BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for producing an environmentally friendly and matte UV board, which does not use a quencher and completely removes volatile organic compounds (VOC)

본 발명은 UV보드의 제조방법에 관한 것으로, 소광제를 사용하지 않고도 무광택이며 촉감이 우수하고, 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 및 그 제조방법에 관한 것이다.
The present invention relates to a method of manufacturing a UV board, and more particularly, to an environmentally friendly matte UV board in which a matte, excellent touch, and volatile organic compounds (VOC) are completely removed without using a light extinguishing agent, and a method of manufacturing the same.

종래에는 무광택 UV보드를 제조하기 위해서는 반드시 소광제로서 SiO2를 별도로 사용해야 했다. 일반적으로, UV도료는 자외선(ulta viloet, UV)에 의해 순간적으로 경화되는 도료이고 도료자체에 용제가 거의 존재하지 않아 도장 후 자외선에 의해 경화된 후에는 톨루엔이나 기타 휘발성 유기화합물이 거의 존재하지 않아 용제가 휘발하면서 경화되는 용제 경화형 도료와 달리 톨루엔과 같은 용제나 기타 휘발성 유기화합물이 도장 면에 잔류하지 않는 무독성의 친환경 도료이다.Conventionally, in order to produce a matte UV board, SiO 2 has to be separately used as a quencher. Generally, a UV paint is a paint that is instantaneously cured by ultraviolet (UV) rays. Since there is almost no solvent in the paint itself, there is almost no toluene or other volatile organic compounds after curing by ultraviolet rays after painting It is a non-toxic, eco-friendly paint that does not leave solvent or other volatile organic compounds such as toluene on the coating surface unlike the solvent curing type paint which is cured while volatilizing the solvent.

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UV도료는 경화되면 광택이 있는 도막을 형성하는 것이 특징인데, 가구나 인테리어용으로 사용할 때에는 광택이 없는 도장 면을 요구하는 경우도 많이 있어 무광택 표면을 만들기 위해서는 광택을 제거하기 위하여 도료에 합성 실리카(SiO2) 등의 광택을 감소시키는 물질 즉, 소광제(消光劑)를 적량 혼합하여 도장을 하는 것으로 알려져 있다. 이 때 도료에 혼합하는 소광제의 양이 많고 적음에 따라 최종 건조 후의 도막면의 광택도가 달라진다.UV coatings are characterized by the formation of glossy coatings when cured. Many coating surfaces that are not polished are often required when used in furniture or interior applications. To create a matte surface, a synthetic silica (SiO 2 ) or the like, that is, a quenching agent, in a proper amount. In this case, the amount of the quenching agent to be mixed with the paint is large and small, and the gloss of the coated film surface after the final drying is varied.

그러나 소광제로 사용되는 합성 실리카의 경우 도료에 잘 분산시켜 놓았어도 사용하는 도중에 점차적으로 침강하는 성질을 가지고 있어 침강하지 않도록 도료를 세심하게 교반하여도 정밀한 농도 관리가 불가능하여 작업 시작 초반부터 중후반으로 가면서 광택의 차이가 발생하며 심한 경우에는 제품 1면에서도 부분적인 광택차이가 발생하며 광택차이가 있는 보드를 가구의 도어로 사용하는 경우 광택차이와 이로 인한 색상의 차이까지 발생함으로서 소비자의 클레임이 빈번하게 발생한다.However, synthetic silica used as a quencher has a property of gradual sedimentation during use even if it is dispersed well in the paint, so that it is impossible to precisely control the concentration even if the paint is carefully stirred. Therefore, In case of severe case, there is a partial luster difference even in the case of the product. In case of using the board with the luster difference as the door of the furniture, differences in gloss and color due to the difference are caused, Occurs.

기존의 포리도장(불포화 폴리에스텔 수지 도장 또는 열 경화 도장이라고도 함)으로는 무광택의 PET 필름이나 PVA(Poly Vinyl Alcohol) 필름(알콜 필름)을 이용하여 도장 면 위에 덮은 후 경화시킨 후 필름을 제거하는 방법을 사용하여 무광도장을 하는 방법을 사용하고 있는데, 이는 모두 고가의 일본산 알콜 필름을 사용하거나 두꺼운 PET 필름을 사용함에서 오는 제조원가의 상승, 불포화폴리에스텔 도장의 특징인 단속 작업에 의한 낮은 생산수율, 경화 후에도 남아있는 스틸렌 모노머의 악취등에 의해 친환경 도장하고는 거리가 먼 생산품이어서 가구재로 사용을 회피하고 있는 실정이다.As a conventional polyurethane coating (also referred to as unsaturated polyester resin coating or thermosetting coating), a matte PET film or a polyvinyl alcohol (PVA) film (alcohol film) is used to cover the coating surface, Method is used, which is a method of applying a matte coating method, which is a method of increasing the manufacturing cost due to the use of an expensive Japanese alcohol film or using a thick PET film, a low production yield due to intermittent operation characteristic of unsaturated polyester coating , And the styrene monomer remaining after curing, etc., is a product which is far from the environment-friendly painting, so that it is used as a furniture material.

한편, 현재 사회전반에 걸쳐 친환경제품을 선호하는 분위기에 의해 이를 대체하기 위한 대안은 UV도장 외에는 없으나 그동안의 기술로 무광도장 제품을 만들기 위해서 소광제를 혼합하여 제조하는 기존 방법에 있어서는 앞에서 언급한 광택불균일 문제점과 소광제를 혼합한 후에는 소광제를 혼합하지 않은 UV도료에 비해 상대적으로 내 오염성이나 내 스크래치성 등의 기계적 물성이 약하다는 문제점을 가지고 있다. 또한, 소광제를 혼합한 도료는 고광택도료와 혼합되면 안 되므로 작업 후에는 필히 도장설비를 청소하여야 하므로 청소시간도 많이 소요되는 문제가 있다.On the other hand, there is no alternative to UV coating in order to replace environmentally friendly product throughout society at present. However, in the conventional method of manufacturing a mixture of a light-quencher to make a matte coating product, There is a problem that after mixing the non-uniformity problem and the quencher, the mechanical properties such as stain resistance and scratch resistance are relatively weak as compared with the UV paint without quencher. In addition, since the coating material mixed with the light-quenching agent should not be mixed with the high-gloss coating material, the painting equipment must be cleaned after the work, which requires a long cleaning time.

또한, 한국등록특허공보 제1324874호는 판상재에 하도 및 상도 도장을 하여 PET필름으로 홀로그램 무늬를 형성한 보드의 제조방법이 개시되어 있으나, 이 역시 홀로그램의 문양이 깊게 형성할 수 없고, 홀로그램이 형성된 PET필름이 고가이며, 제조된 보드에 유기화합물(VOC)이 잔존하여 실내 공기의 질이 떨어지는 문제점이 있고, 무광택 표면을 형성하기 위해서는 소광제(SiO2)를 별도로 사용해야 하기 때문에 도료원가를 높아지고, 소광제의 침강으로 인한 광택 차이가 발생하여 광택도가 균일하지 않은 문제점이 있고, 소광제에 의한 내오염성, 내스크래치성과 같은 기계적 성질이 낮아지는 문제점이 있었다.
In addition, Korean Patent Registration No. 1324874 discloses a method of manufacturing a board in which a hologram pattern is formed with a PET film by applying undercoating and top coating on a plate material, but this also can not form a pattern of a hologram deeply, There is a problem that the formed PET film is expensive and the organic compound (VOC) remains on the manufactured board, and the quality of the room air is deteriorated. In order to form a matte surface, a quenching agent (SiO 2 ) , There is a problem in that gloss difference is caused due to sedimentation of the quencher and the gloss is not uniform, and mechanical properties such as stain resistance and scratch resistance due to the quencher are lowered.

한국특허등록공보 제10-1324874호(공고일자: 2013. 11. 01.)Korean Patent Registration No. 10-1324874 (Date of Notification: 2013. 11. 01.)

본 발명은 전술한 바와 같은 문제점을 해결하고, 제조 공정에 간소함과 편의성이 강화되고 가격경쟁력이 향상된, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 UV보드 및 그 제조방 제공하는 것을 그 목적으로 한다.
Disclosure of the Invention The present invention has been made to solve the above-mentioned problems, and to provide an environmentally friendly UV board (VOC) in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher, And a manufacturing method thereof.

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한편, 본 발명은 마그네슘보드, 석고보드, 규산칼슘보드, MDF(Medium Density Board), PB(Particle Board) 또는 PW(Plywood)에서 선택된 어느 한 종류 이상의 판상재층에 무광택 LPM(Low Pressure Melamine)층을 형성하는 단계(S1 단계); 상기 판상재층의 LPM층 상부 표면 또는 하부 표면에 UV도장층을 형성하는 단계(S2 단계); 상기 UV도장층을 자외선 램프로 경화하는 제1 경화 단계(S3 단계); UV보드의 반건조 상태인 상기 UV도장층 표면에 박막형 필름을 롤러에 의해 압착하는 단계(S4 단계); 상기 박막형 필름이 압착된 반건조 상태의 상기 UV도장층을 자외선 램프로 다시 경화시키는 제2 경화 단계(S5 단계); 상기 박막형 필름을 리와인딩하여 상기 UV보드로부터 상기 박막형 필름을 분리시키는 단계(S6 단계); 및 상기 UV보드 전체를 자외선 램프로 다시 경화시키는 제3 경화 단계(S7 단계);를 포함하는, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 UV보드 제조방법을 제공한다.Meanwhile, the present invention provides a matte LPM (Low Pressure Melamine) layer on at least one plate material selected from a magnesium board, a gypsum board, a calcium silicate board, a MDF (Medium Density Board), a PB (Step S1); Forming a UV paint layer on the upper surface or the lower surface of the LPM layer of the plate material layer (step S2); A first curing step (S3) of curing the UV coating layer with an ultraviolet lamp; Pressing the thin film on the surface of the UV coating layer in a semi-dry state of the UV board with a roller (step S4); A second curing step (S5) of hardening the UV coating layer in a semi-dry state in which the thin film type film is compressed, again with an ultraviolet lamp; Separating the thin film type film from the UV board by rewinding the thin film type film (S6); And a third curing step (S7 step) to re-cure the whole of the UV board with an ultraviolet lamp;, without the use of SiO 2 as matting agent a volatile organic compound (VOC) is completely removed the environmentally friendly UV board including a production method .

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상기 박막형 필름의 두께가 18~25㎛인 것을 특징으로 하는, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법을 제공한다.The present invention provides an environmentally friendly matte UV board manufacturing method in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quenching agent, wherein the thickness of the thin film is 18 to 25 μm.

상기 박막형 필름은 BOPP(biaxially oriented polypropylene) 필름 또인 PET 필름일 수 있다.The thin film may be a biaxially oriented polypropylene (BOPP) film or a PET film.

상기 박막형 필름은 패턴 또는 엠보가 형성된 것일 수 있다.The thin film film may be a pattern or an embossed film.

한편, 본 발명은 상기의 제조방법으로 제조된 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드를 제공한다.
On the other hand, the present invention provides an environmentally friendly matte UV board in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher manufactured by the above production method.

본 발명에 따르면, 소광제를 별도로 투입하지 않고도 저렴한 박막형 필름을 이용하여 친환경적인 무광택 UV보드를 제조할 수 있다.According to the present invention, an environmentally friendly matte UV board can be manufactured using an inexpensive thin film film without separately adding a quencher.

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또한, 소광제가 별도로 투입되지 않으므로, 도료원가를 절감할 수 있고, 소광제가 혼합되지 않아 시간경과에 따른 소광제의 침강이 없으므로 광택 차이가 발생하지 않아 균일한 광택도를 가지도록 도장을 할 수 있다. In addition, since the extinction agent is not added separately, it is possible to reduce the paint cost, and since the extinction agent is not mixed, there is no sedimentation of the extinction agent over time, .

또한, 제조된 UV보드에서 소광제가 포함되어 있지 않아, 소광제에 의한 내오염성, 내스크래치성과 같은 기계적 성질의 저하를 방지할 뿐 아니라 소광제를 사용한 기존의 무광택 UV보드 보다 내산, 내알카리성 등의 화학적 물성이 우수하게 나타난다.In addition, since the UV absorber is not contained in the UV board, deterioration of the mechanical properties such as stain resistance and scratch resistance caused by the quencher can be prevented, and the acidic and alkali resistant UV absorbers Chemical properties are excellent.

또한, 무광용 도료를 별도로 사용하지 않고 한가지 유광용 도료만이 이용되므로 도료 청소 시간이 별도로 소요되지 않고, 저렴한 박막형 필름을 사용한 연속적인 작업이 가능하므로 높은 생산성이 유지될 수 있다.
Further, since only one luminescent coating material is used without using a matte coating material separately, it is possible to continuously work with an inexpensive thin film film, and thus high productivity can be maintained.

도 1는 본 발명에 따른 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법의 순서도이다.
도 2는 본 발명에 따른 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법의 모식도이다.
도 3는 실시예 및 비교예에 의한 UV보드에 대하여 내알칼리성 및 내산성 실험을 한 결과를 나타낸 사진이다.
FIG. 1 is a flowchart of a method for manufacturing an environmentally friendly matte UV board in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher according to the present invention.
FIG. 2 is a schematic diagram of an environmentally friendly matt UV board manufacturing method in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher according to the present invention.
3 is a photograph showing results of alkali resistance and acid resistance tests of the UV board according to Examples and Comparative Examples.

이하, 도면을 참조하여, 본 발명을 보다 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to the drawings.

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도 2는 본 발명에 따른 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법의 순서도이다. 도 3는 본 발명에 따른 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법의 모식도이다.2 is a flowchart of a method for manufacturing an environmentally friendly matte UV board in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher according to the present invention. FIG. 3 is a schematic diagram of an environmentally friendly matt UV board manufacturing method in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher according to the present invention.

도 2 및 도 3를 참조하면, 본 발명의 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드 제조방법은 마그네슘보드, 석고보드, 규산칼슘보드, MDF(Medium Density Board), PB(Particle Board) 또는 PW(Plywood)에서 선택된 어느 한 종류 이상의 판상재층에 LPM층(Low Pressure Melamine)을 형성한 후(S1 단계), 상기 판상재층의 LPM층 상부 표면 또는 하부 표면에 UV도장층을 형성하한다(S2 단계). 상기 UV도장층을 자외선 램프로 반건조 상태까지 경화하는 제1 경화 단계(S3 단계)를 거친 후, UV보드의 반건조 상태인 상기 UV도장층 표면에 박막형 필름을 롤러에 의해 압착시킨다(S4 단계). 상기 박막형 필름이 압착된 반건조 상태의 상기 UV도장층을 자외선 램프로 다시 경화시키는 제2 경화 단계(S5 단계)를 거친 후 상기 박막형 필름을 리와인딩하여 상기 UV보드로부터 상기 박막형 필름을 분리시킨다(S6 단계). 상기 박막형 필름이 분리된 후 상기 UV보드의 UV도장층 전체를 자외선 램프로 다시 경화시키는 제3 경화 단계(S7 단계)를 거친다.2 and 3, an eco-friendly matte UV board manufacturing method in which volatile organic compounds (VOC) are completely removed without using SiO 2 as a quencher of the present invention includes a magnesium board, a gypsum board, a calcium silicate board, a MDF A low pressure melamine is formed on at least one plate material layer selected from a medium density board (PB), a PB (Particle Board), and a PW (Plywood) A UV coating layer is formed on the surface or the lower surface (step S2). After the first curing step (step S3) in which the UV coating layer is cured to a semi-dry state by an ultraviolet lamp, the thin film is pressed on the surface of the UV coating layer in the semi-dry state of the UV board by a roller ). After the second curing step (S5 step) in which the UV coating layer in which the thin film type is squeezed is cured by the ultraviolet lamp again, the thin film is rewound to separate the thin film from the UV board Step S6). After the thin film type film is separated, a third curing step (S7) of curing the entire UV coating layer of the UV board with an ultraviolet lamp is performed.

종래에는 무광택 UV보드를 제조하기 위해서는 반드시 소광제로서 SiO2를 별도로 사용해야 했지만, 본 발명의 제조방법으로 제조된 UV보드는 소광제로서 SiO2를 별도로 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 UV보드 제조할 수 있다.In order the prior art, the production of matt UV board be, but need to use SiO 2 separately as a quencher, a UV board manufactured by the method of the present invention is completely removed without the use of SiO 2 separately as a quencher of volatile organic compounds (VOC) Environmentally friendly UV board can be manufactured.

상기 판상재층의 LPM층 상부 표면 또는 하부 표면의 UV도장층은, 도장된 UV도료가 일부만 경화된(반경화된) 상태이다. 종래에는 UV도장층을 형성한 후 건조하지 않고 곧바로 박막형 필름을 압착하였는데, 본 발명은 박막형 필름(20)을 UV도장층(10) 위에 압착하기 전에 자외선 램프로 일부 경화(반경화)시키는 제1 경화단계를 거치게 된다(S3 단계). The UV coating layer on the upper surface or the lower surface of the LPM layer of the plate material layer is in a partially hardened (semi-cured) state of the painted UV paint. The present invention relates to a method for forming a film on a UV-cured film (10), which comprises curing a film (20) partially cured (semi-cured) with an ultraviolet lamp Curing step (step S3).

상기 박막형 필름(20)은 무광택 필름으로서, 제조원가 및 리와인딩 작업의 편의성을 고려하여 두께 18~25㎛인 필름일 수 있으며, BOPP(biaxially oriented polypropylene) 필름 또는 PET 필름일 수 있으며, 상기 박막형 무광택 필름(20)은 패턴 또는 엠보가 무광택의 형태로 형성된 것일 수 있다.The thin film 20 may be a film having a thickness of 18 to 25 탆 in consideration of manufacturing cost and convenience of rewinding, and may be a biaxially oriented polypropylene (BOPP) film or a PET film. The thin film type matte film The pattern 20 or the emboss may be formed in a matte form.

상기 BOPP 필름은 폴리프로필렌을 원료로 하여 T-다이(T-DIE) 공법으로 압출하여 종연신 및 횡연신으로 2축 연신한 것일 수 있다. 상기 BOPP 필름은 가공성과 대전성이 우수하고 인체에 무해하며 무독, 무취, 무미하여 과자봉지 또는 라면봉지와 같은 포장재에 널리 사용되고 있는 저렴한 필름이다. 상기 BOPP 필름에 코로나 처리를 하게되면 인쇄가 가능한 재질이 되는데, 본 발명에서는 1차 경화 후 리와인딩시, UV보드로부터 BOPP 필름이 용이하게 이형될 수 있도록 코로나 처리가 되지 않은 BOPP 필름을 사용하는 것이 바람직하다. 보다 바람직하게는, 상기 BOPP 필름은 코로나 처리되지 않은 일면 또는 양면에 무광 처리된 18~25㎛의 박막형 필름일 수 있다.The BOPP film may be one obtained by extruding polypropylene as a raw material by a T-die (T-DIE) method and biaxially stretching by longitudinal drawing and transverse drawing. The BOPP film is excellent in processability and chargeability and harmless to human body and is an inexpensive film which is widely used in packaging materials such as snack bags or noodles bags since it is nontoxic, odorless and tasteless. If the BOPP film is subjected to corona treatment, it becomes a printable material. In the present invention, it is preferable to use a BOPP film which has not been subjected to corona treatment so that the BOPP film can easily be released from the UV board upon rewinding after the primary curing desirable. More preferably, the BOPP film may be a thin film of 18 to 25 占 퐉 mapped on one side or both sides of the non-corona treated side.

상기 BOPP 필름 및 PET 필름은 각각 종래 포리도장에서 사용되는 고가의 필름 대비 가격이 10% 및 30% 정도에 불과하여 최종 제품의 가격 경쟁력을 향상시킬 수 있다. Each of the BOPP film and the PET film is only 10% or 30% less expensive than the expensive film used in the conventional paint coating, thereby improving the price competitiveness of the final product.

상기 (S4) 단계에서, 상기 박막형 필름을 상기 UV보드의 UV도장층에 압착하기 위해 컨베이어에 상기 UV보드를 공급하면 롤러(R)에 의해 와인딩(winding)되어 있던 상기 박막형 필름(20)이 풀리면서 상기 UV보드의 UV도장층 표면, 즉, 반건조된 UV도장층에 압착될 수 있다. 상기 롤러(R)는 가압롤러로서, 적절한 압력에 의해 UV보드에 박막형 필름(20)을 압착시켜서, 상기 박막형 필름의 엠보나 무늬가 UV도장층에 전사되게 할 수 있다. 한국등록특허 제1324874호는 가압롤러를 이용하지 않기 때문에 얕은 깊이의 홀로그램만 가능하지만, 본원발명은 상기의 가압롤러(R)에 의한 압착으로 인하여 UV도장층(10)에는 깊은 엠보나 무늬를 형성할 수 있다. If the UV board is supplied to the conveyor in order to press the thin film on the UV coating layer of the UV board in step S4, the thin film 20 wound by the roller R is wound on the pulley To the UV coating layer surface of the UV board, that is, the semi-dried UV coating layer. The roller (R) is a pressure roller, and presses the thin film (20) on the UV board by a suitable pressure, so that the embossed pattern of the thin film can be transferred to the UV coating layer. Since Korean Patent No. 1324874 does not use a pressure roller, only a shallow depth hologram can be used. However, the present invention is characterized in that a deep emboss pattern is formed in the UV paint layer 10 due to the pressing by the pressure roller R can do.

상기 (S5) 단계는 상기 박막형 필름(20)이 압착된 UV보드의 UV도장층(10) 표면을 경화시켜 상기 반건조 상태의 UV도장층을 더욱 경화시키는 제2 경화 단계를 포함하고 있다. 자외선 램프(L)를 이용하여, 상기 박막형 필름(20)이 압착된 UV보드(10)를 더욱 경화시킴으로써, 상기 UV보드의 UV도장층(10) 표면에 형성된 반건조 상태의 UV도장층을 더욱 경화시킬 수 있다.The step (S5) includes a second curing step of further curing the semi-dry UV coating layer by curing the surface of the UV coating layer 10 of the UV board on which the thin film 20 is pressed. The semi-dry UV coating layer formed on the surface of the UV coating layer 10 of the UV board is further cured by further curing the UV board 10 on which the thin film 20 is pressed using the ultraviolet lamp L It can be cured.

상기 (S6) 단계에서는 상기 UV보드의 UV도장층(10)에 압착되어 있던 박막형 필름(20)을 제2 경화 단계 이후, 리와인딩하여 상기 UV보드의 UV도장층(10)로부터 분리시킬 수 있다. 종래 무한궤도 타입으로 박막형 필름을 적용할 경우, 상기 박막형 필름을 벨트형식 필름으로 만들어서 사용해야 하는데, 벨트형식 필름으로 만들 경우 이음매가 생길 수 밖에 없는 문제가 있다.In step S6, the thin film 20 pressed on the UV coating layer 10 of the UV board may be rewound after the second curing step to be separated from the UV coating layer 10 of the UV board . When a thin film type is applied to a conventional endless track type, the thin film type film must be used as a belt type film. However, when the belt type film is used, there is a problem that a seam occurs.

그러나, 상기 (S6) 단계에서와 같이 리와인딩 방식을 사용함으로써, 박막형 필름을 벨트형식 필름으로 만들 필요가 없고, 이에 따라 UV보드에 이음매의 문양이 생길 문제가 없다. 또한, 리와인딩 방식에 의한 연속적인 작업이 가능하여 높은 생산성을 유지할 수 있다.However, by using the rewinding method as in the step (S6), it is not necessary to make the thin film type film as a belt type film, and there is no problem that the pattern of the joint is formed on the UV board. In addition, it is possible to continuously work by the rewinding method, thereby maintaining high productivity.

상기 (S7) 단계는 자외선 램프(L)를 이용하여, 상기 제2 경화 이후 박막형 필름(20)이 제거된 UV보드의 UV도장층(10) 전체를 다시 경화시키는 제3 경화 단계일 수 있다. 상기 제3 경화 단계에서는 자외선 램프에 의해 UV도장층에 포함된 UV도료의 휘발성 유기화합물(VOC)을 완전히 경화시키기 때문에 휘발성 유기화합물이 완전히 제거된 UV코팅층을 형성시킬 수 있다. UV도료는 톨루엔, 포름알데히드와 같은 휘발성 유기화합물을 포함하고 있는데, 이들은 인체에 유해하여 새집증후군 또는 아토피 등의 원인이 되고 있다. 본원발명은, 제 1 경화단계 내지 제3 경화 단계에서 자외선 램프의 건조에 의해 완전히 UV도료를 완전히 경화시켜, 휘발성 유기화합물이 완전히 제거된 친환경적인 UV보드를 제조할 수 있다.The step (S7) may be a third curing step of hardening the entire UV coating layer 10 of the UV board from which the thin film 20 has been removed after the second curing using the ultraviolet lamp (L). In the third curing step, the UV curing layer completely cures the volatile organic compounds (VOC) of the UV coating included in the UV coating layer by the ultraviolet lamp, so that the UV coating layer in which the volatile organic compounds are completely removed can be formed. UV paints contain volatile organic compounds such as toluene and formaldehyde, which are harmful to the human body and cause sick house syndrome or atopy. In the present invention, an ultraviolet lamp is completely cured by completely drying the ultraviolet lamp in the first to third curing steps, and an environmentally friendly UV board in which volatile organic compounds are completely removed can be produced.

또한 종래의 UV보드에서 무광택 표면을 형성하기 위하여 사용되던 소광제로서 SiO2를 사용하지 않고도 본원발명의 제조방법에 의한 UV보드는 무광택 UV보드를 형성할 수 있다.Also, the UV board according to the manufacturing method of the present invention can form a matte UV board without using SiO 2 as a quencher used to form a matte surface in a conventional UV board.

이하, 실시예를 통하여 본 발명을 더욱 상세히 설명하고자 한다. 이들 실시예는 오로지 본 발명을 보다 구체적으로 설명하기 위한 것으로서, 본 발명의 범위가 이들 실시예에 의해 제한되지 않는다는 것은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 있어 자명할 것이다.
Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood by those skilled in the art that these embodiments are only for describing the present invention in more detail and that the scope of the present invention is not limited by these embodiments.

실시예Example

LPM층을 UV코팅설비를 이용하여 도료를 코팅하여 UV도장층을 형성한 후 UV램프를 조절하여 도장층의 속만 건조시킨 반건조된(제1 경화단계) 도장 표면층 위에 무광택의 BOPP 필름을 한 쌍의 가압롤러를 이용하여 상기 UV보드의 표면에 압착시켰다. 상기 제1 경화단계를 거친 UV도장층이 형성된 UV보드에 상기 BOPP 필름을 가압롤러로 압착하였고, 상기 BOPP 필름은 코로나 처리되지 않은 무광택의 두께 20㎛인 필름을 사용하였다.The LPM layer was coated with a coating using UV coating to form a UV coating layer, and then a UV-lamp was adjusted to form a pair of matte BOPP films on the semi-dried (first curing step) Was pressed on the surface of the UV board by using a pressure roller. The BOPP film was pressed on a UV board on which a UV coating layer having the first curing step was formed, using a pressure roller. The BOPP film was a non-corona treated film having a thickness of 20 μm.

상기 BOPP 필름이 압착된 UV보드의 UV도장층 표면을 자외선 램프로 경화시켜 상기 반건조 UV도장층을 경화시키는 2차 경화를 실시하였다. 상기제2차 경화 후, 상기 BOPP 필름을 리완딩시켜 상기 UV보드로부터 상기 BOPP 필름을 분리시켰다. 그 후, 자외선 램프를 이용하여 상기 UV보드 전체를 경화시키는 제3차 경화를 실시하여, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적인 무광택 UV보드를 제조하였다.
The surface of the UV coating layer of the UV board on which the BOPP film was pressed was cured by an ultraviolet lamp to perform secondary curing to cure the semi-dry UV coating layer. After the secondary curing, the BOPP film was rewound to separate the BOPP film from the UV board. Thereafter, the UV curing was performed by curing the entire UV board using an ultraviolet lamp to produce an environmentally friendly matte UV board in which volatile organic compounds (VOC) were completely removed without using SiO 2 as a quenching agent .

비교예Comparative Example

소광제로서 SiO2를 이용하고, 제1 경화단계 및 제3 경화단계가 없이 제조된 무광택 UV보드를 준비하였다.
A matte UV board prepared using SiO 2 as a quencher and without the first curing step and the third curing step was prepared.

실험예Experimental Example

5% NaOH 수용액을 실시예 및 비교예에서 제조된 UV보드 표면에 점적하여 시계접시로 덮은 후 72시간 동안 상온 방치한 후 증류수로 닦아내고 표면 상태를 육안으로 관찰하여 찍은 사진을 도 4에 나타내었다.5% NaOH aqueous solution was coated on the surface of the UV board prepared in Examples and Comparative Examples, covered with a watch glass, allowed to stand at room temperature for 72 hours, wiped with distilled water, and the surface state was visually observed and shown in FIG.

도 4는 실시예 및 비교예에 의한 UV보드에 대하여 내알칼리성 및 내산성 실험을 한 결과를 나타낸 사진이다.Fig. 4 is a photograph showing results of alkali resistance and acid resistance tests on the UV board according to Examples and Comparative Examples. Fig.

도 4의 (a)에 나타난 바와 같이, 실시예에서 제조된 소광제를 사용하지 않은 UV보드는 변화가 없어, 내알칼리성 및 내산성이 우수한 것을 알 수 있다. 반면 도 4의 (b)에 나타난 바와 같이 비교예의 소광제를 사용한 UV보드는 노란색으로 약간 변색된 부분이 나타나 내알칼리성이 좋지 않음을 확인할 수 있다.As shown in Fig. 4 (a), the UV board prepared in the Example does not show any change in UV board without using a quencher, and is excellent in alkali resistance and acid resistance. On the other hand, as shown in FIG. 4 (b), the UV board using the quencher of the comparative example exhibits a slightly discolored portion in yellow, indicating that alkalinity is poor.

이상으로 본 발명 내용의 특정한 부분을 상세히 기술하였는 바, 당업계의 통상의 지식을 가진 자에게 있어서 이러한 구체적 기술은 단지 바람직한 실시양태일 뿐이며, 이에 의해 본 발명의 범위가 제한되는 것이 아닌 점은 명백할 것이다. 따라서, 본 발명의 실질적인 범위는 첨부된 청구항들과 그것들의 등가물에 의하여 정의된다고 할 것이다.
While the present invention has been particularly shown and described with reference to specific embodiments thereof, those skilled in the art will appreciate that such specific embodiments are merely preferred embodiments and that the scope of the present invention is not limited thereto will be. Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.

10: UV보드의 UV도장층
20: 박막형 무광택 필름
T: 컨베이어
R: 롤러
L: 자외선 램프
10: UV coating layer of UV board
20: Thin film matte film
T: Conveyor
R: Rollers
L: Ultraviolet lamp

Claims (8)

삭제delete 삭제delete 삭제delete 마그네슘보드, 석고보드, 규산칼슘보드, MDF(Medium Density Board), PB(Particle Board) 또는 PW(Plywood)에서 선택된 어느 한 종류 이상의 판상재층에 무광택 LPM(Low Pressure Melamine)층을 형성하는 단계(S1 단계);
상기 LPM층의 상부 또는 하부에 UV도장층을 형성하는 단계(S2 단계);
상기 UV도장층을 자외선 램프로 반건조 상태로 경화하는 제1 경화 단계(S3 단계);
반건조 상태인 상기 UV도장층 표면에 박막형 필름을 롤러에 의해 압착하는 단계(S4 단계);
상기 박막형 필름이 압착된 반건조 상태의 상기 UV도장층을 자외선 램프로 다시 경화시키는 제2 경화 단계(S5 단계);
상기 박막형 필름을 리와인딩하여 상기 UV보드로부터 상기 박막형 필름을 분리시키는 단계(S6 단계); 및
상기 UV도장층 전체를 자외선 램프로 다시 경화시키는 제3 경화 단계(S7 단계);를 포함하고,
상기 박막형 필름은 코로나 처리되지 않은 BOPP(biaxially oriented polypropylene) 필름 또는 PET 필름이며, 상기 박막형 필름의 두께가 18~25㎛이고, 상기 박막형 필름은 패턴 또는 엠보가 형성된 것을 특징으로 하는, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적이고 무광택인 UV보드 제조방법.
Forming a matte LPM (Low Pressure Melamine) layer on at least one type of plate material selected from a magnesium board, a gypsum board, a calcium silicate board, a medium density board (MDF), a particle board (PB) Step S1);
Forming a UV coating layer on or under the LPM layer (step S2);
A first curing step (S3) of curing the UV coating layer in a semi-dry state with an ultraviolet lamp;
Pressing the thin film on the surface of the UV coating layer in a semi-dry state by a roller (step S4);
A second curing step (S5) of hardening the UV coating layer in a semi-dry state in which the thin film type film is compressed, again with an ultraviolet lamp;
Separating the thin film type film from the UV board by rewinding the thin film type film (S6); And
And a third curing step (S7) of curing the entire UV coating layer again with an ultraviolet lamp,
Wherein the thin film type film is a biaxially oriented polypropylene (BOPP) film or a PET film which is not corona treated, the thickness of the thin film type film is 18 to 25 占 퐉, and the thin film type film has a pattern or an emboss 2 is not used but volatile organic compounds (VOC) are completely removed.
삭제delete 삭제delete 삭제delete 제4항의 방법으로 제조된, 소광제로서 SiO2를 사용하지 않고 휘발성 유기화합물(VOC)이 완전히 제거된 친환경적이고 무광택인 UV보드.An eco-friendly, matte UV board produced by the method of claim 4, wherein volatile organic compounds (VOCs) are completely removed without using SiO 2 as a quencher.
KR1020150191842A 2015-06-01 2015-12-31 Eco-friendly and Optical Dulling Agent-free UV Board Manufacturing Method KR101631815B1 (en)

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