KR102185339B1 - A sheet of embossing (body pattern) and its manufacturing method - Google Patents

A sheet of embossing (body pattern) and its manufacturing method Download PDF

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KR102185339B1
KR102185339B1 KR1020190045104A KR20190045104A KR102185339B1 KR 102185339 B1 KR102185339 B1 KR 102185339B1 KR 1020190045104 A KR1020190045104 A KR 1020190045104A KR 20190045104 A KR20190045104 A KR 20190045104A KR 102185339 B1 KR102185339 B1 KR 102185339B1
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layer
film
cpp
pvc
stretched polypropylene
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KR1020190045104A
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Korean (ko)
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KR20200122462A (en
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신경섭
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신경섭
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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
    • B32B27/08—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 synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/064—
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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
    • B32B2471/00—Floor coverings

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Abstract

본 발명은 장판에 관한 것으로, 특히 친환경적인 장판이면서 표면에 입체적인 무늬형태의 성형이 우수하면서도, 제조의 용이성과 저렴한 제조가 가능토록 하기 위한 것이다.The present invention relates to a floorboard, and in particular, it is an environmentally friendly floorboard, and is excellent in molding a three-dimensional pattern on the surface, and to enable easy and inexpensive manufacturing.

Description

엠보싱(입체무늬)이 구현된 장판 및 그 제조방법{A sheet of embossing (body pattern) and its manufacturing method}A sheet of embossing (body pattern) and its manufacturing method}

본 발명은 장판에 관한 것으로, 특히 친환경적인 장판이면서 표면에 입체적인 무늬형태의 성형이 우수하면서도, 제조의 용이성과 저렴한 가격으로 제조가 가능토록 하기 위한 것이다.The present invention relates to a floorboard, and in particular, it is an environmentally friendly floorboard, and is excellent in molding a three-dimensional pattern on the surface, and it is intended to enable manufacturing at an easy and low price.

종래의 장판은 통상 PVC로 이루어지는 하지층과 상기 하지층과 합지되는 PVC필름을 사용하여 제조하였으나, 상기 PVC필름은 정밀 인쇄성이 떨어지고 PVC의 유해성으로 인하여 장판의 사용에 많은 문제점을 야기하였던 것이다.Conventional floorboards are usually manufactured using a base layer made of PVC and a PVC film laminated with the base layer, but the PVC film has poor precision printability and caused many problems in the use of the floorboard due to the harmfulness of PVC.

따라서 이러한 문제점을 해결하고자 최근에는 PVC보다는 유해성이 낮고 인쇄성이 우수한 PET 필름을 PVC하지층에 합지토록 한 장판이 제안되고 있는 것이다.Therefore, in order to solve this problem, recently, a floor plate has been proposed in which a PET film having lower harmfulness and excellent printability than PVC is laminated to a PVC base layer.

그러나 PET 필름의 경우 PVC에 비하여 인쇄성은 우수하지만 빤짝이는 성질로 인해 품질의 고급화를 꾀할 수 없고 또한 단단한 성질로 인해 하지층과의 합지시 구겨짐이 발생되고 표면의 미끄러움을 해소하기 위한 뚜렷한 엠보싱이 불가능한 상태다. However, PET film has excellent printability compared to PVC, but it is not possible to achieve high-quality quality due to its shiny property, and due to its rigid nature, wrinkles occur when it is laminated with the underlying layer, and clear embossing to eliminate the slipperiness of the surface is required. It is impossible.

이로 인하여 기존 PET필름 위에 투명한 PVC필름을 합지하여 엠보싱 효과를 볼 수 있었지만 추가적인 생산 공정의 추가로 생산성이 저하됨은 물론 이로 인하여 원가 상승의 원인이 되고 있는 것이다.Because of this, it was possible to see the embossing effect by laminating a transparent PVC film on the existing PET film, but the addition of an additional production process lowered the productivity and caused cost increase.

또한 PET필름을 하지층에 합지하여 장판으로 사용시 표면이 미끄러워 논 슬립이나 다양한 디자인성을 위하여 표면에 요철형태의 엠버의 구현에 어려움이 있는 것이다.In addition, when the PET film is laminated to the base layer and used as a floor plate, the surface is slippery, and it is difficult to implement the uneven amber on the surface for non-slip or various design.

따라서 본 발명은 상기와 같은 PET 필름의 문제점을 해결하면서, 친환경적이고, 무광택으로 고급화는 물론 표면에 엠보싱 구현이 용이하면서 생산성을 향상시켜 경제성을 구비한 장판을 제공하기 위한 것이다.Accordingly, the present invention is to provide a floorboard having economical efficiency by solving the problems of the PET film as described above, environmentally friendly, matte, and easy to implement embossing on the surface while improving productivity.

따라서 본 발명은 종래 장판을 구성하는 PVC 재질의 하지층의 상면에 친환경 소재인 무연신 폴리프로필렌(CPP)필름으로 합지토록 한 것이다.Therefore, the present invention is to be laminated with a non-stretched polypropylene (CPP) film, which is an eco-friendly material, on the upper surface of the underlying layer of PVC material constituting the conventional floorboard.

또한 무연신 폴리프로필렌(CPP)필름으로 합지되는 PVC 하지층의 이면에 부직포를 합지토록 하여 보온성과 내인장성을 우수하게 한 것이다.In addition, the non-woven fabric is laminated on the back side of the PVC underlayer laminated with a non-stretched polypropylene (CPP) film to provide excellent heat retention and tensile resistance.

또한 무연신 폴리프로필렌(CPP)필름을 하지층과의 합지할 경우에 무연신 폴리프로필렌(CPP)필름의 이면에 코로나 처리를 한 후 투명도와 연성을 갖는 우레탄을 기반으로 하는 프라이머층을 도포하고, 도포된 프라이머층의 노출된 표면에 인쇄층을 구비한 상태에서 인쇄층이 프라이머층에 함침되어지도록 일정시간 숙성토록 한 후 상기 무연신폴리프로필렌(CPP)필름을 PVC 하지층과 합지할 경우에 PVC 하지층의 성형시 얻어지는 열(통상 140~160℃로 하지층이 성형됨)을 사용하여 합지토록 한 것이다.In addition, when laminating a non-stretched polypropylene (CPP) film with an underlying layer, a primer layer based on urethane having transparency and ductility is applied after corona treatment on the back side of the non-stretched polypropylene (CPP) film, When the non-stretched polypropylene (CPP) film is laminated with the PVC base layer after aging for a certain period of time so that the printed layer is impregnated with the primer layer while the printed layer is provided on the exposed surface of the applied primer layer, PVC It is made to laminate by using the heat obtained during the molding of the base layer (normally, the base layer is formed at 140 to 160°C).

따라서 생산성의 향상은 물론 무연신 폴리프로필렌(CPP)필름의 특성에 의한 합지의 용이성과 엠보싱의 용이성을 제공하면서 무광택의 장판을 얻을 수 있는 것이다.Therefore, it is possible to obtain a matte floorboard while improving productivity as well as providing ease of lamination and ease of embossing due to the characteristics of a non-stretched polypropylene (CPP) film.

또한 본 발명은 친환경적이면서 저렴하고, 다양한 패턴의 엠보싱의 구현이 가능한 장판을 시장에 제공할 수 있게 되는 것이다.In addition, the present invention is to be able to provide an eco-friendly, inexpensive, and embossed floor covering of various patterns to the market.

또한 기본 모노륨 장판 생산시 보통 PVC발포층 위에 유리섬유를 PVC 페이스트 레진에 합침한 유리섬유층 위에 PET 필름에 인쇄한 인쇄층을 전사하고 그위에 PVC 상지층을 합지하게 되는데, 본 발명에서는 폴리프로필렌(CPP)필름에 인쇄하여 유리섬유층위로 바로 합지가 가능하여 경제성과 사용성의 우수한 성능을 보인다.In addition, in the production of basic monolium flooring, the printed layer printed on the PET film is transferred onto the glass fiber layer in which the glass fiber is impregnated with PVC paste resin on the PVC foam layer, and the PVC upper layer is laminated thereon. In the present invention, polypropylene (CPP) )It can be printed on film and laminated directly onto the glass fiber layer, showing excellent performance in economy and usability.

도1은 본 발명의 일실시예의 적층구조도
도2는 본 발명의 또 다른 일실시예의 적층구조도
도3은 본 발명의 또 다른 일실시예의 적층구조도
도4는 본 발명의 하지층에 부직포가 합지되어진 상태의 일실시예
도5는 본 발명의 제조공정도
도6과 도7은 본 발명의 하지층과 무연신폴리프로필렌(CPP)필름이 합지되는 상태의 일실시예1 is a stacked structure diagram of an embodiment of the present invention
2 is a stacked structure diagram of another embodiment of the present invention
Figure 3 is a stacked structure diagram of another embodiment of the present invention
Figure 4 is an embodiment of a state in which the nonwoven fabric is laminated to the underlying layer of the present invention
5 is a manufacturing process diagram of the present invention
6 and 7 are an embodiment of a state in which the underlayer of the present invention and the non-stretched polypropylene (CPP) film are laminated.

이하 첨부도면에 의거 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail based on the accompanying drawings.

우선 본 발명의 적층구조는 도1에 도시된 바와 같이 일정한 두께를 갖는 PVC재질로 이루어진 하지층(10)과 그 상층으로는 무연신폴리프로필렌(CPP)필름(20)이 합지되는데, 상기 무연신폴리프로필렌(CPP)필름의 이면에는 코로나 처리층(21)과 상기 코로나처리층(21)의 하층으로는 프라이머층(30)이 도포되고, 상기 프라이머층(30)의 하층으로는 사용자가 요구하는 또는 소비자의 패턴에 따른 다양한 형태로 인쇄되어지는 인쇄층(31)이 구비되는 것이다.First, the laminated structure of the present invention is a base layer 10 made of a PVC material having a certain thickness as shown in Figure 1 and a non-stretched polypropylene (CPP) film 20 is laminated as an upper layer, the non-stretched On the back of the polypropylene (CPP) film, a corona treatment layer 21 and a primer layer 30 are applied as a lower layer of the corona treatment layer 21, and a lower layer of the primer layer 30 as required by the user Alternatively, a printing layer 31 that is printed in various forms according to a consumer's pattern is provided.

또한 도2에 도시된 바와 같이 상기 인쇄층의 인쇄의 선명성을 더욱 우수하게 하면서, 동시에 무연신폴리프로필렌(CPP)필름(20)이 합지된 상태에서의 표면도를 우수하게 하기 위하여, PVC재질로 이루어진 하지층(10)의 상층으로는 PVC화이트필름(40)을 합지토록 하여 상기 PVC화이트필름(40)의 상층으로 형성되는 인쇄층(31)의 선명도가 우수하게 되면서도 PVC화이트필름(40)으로 인하여 무연신폴리프로필렌(CPP)필름(20)이 합지된 상태에서의 표면도가 우수하게 될 수 있는 것이다.In addition, as shown in Fig. 2, in order to further improve the clarity of printing of the printing layer and at the same time improve the surface finish in a state in which the non-stretched polypropylene (CPP) film 20 is laminated, a PVC material is used. The upper layer of the underlayer 10 made of the PVC white film 40 is laminated so that the printing layer 31 formed as the upper layer of the PVC white film 40 has excellent clarity, while the PVC white film 40 Due to this, the surface degree of the non-stretched polypropylene (CPP) film 20 in a laminated state can be excellent.

또한 도3에 도시된 바와 같이 유리섬유가 합지되는 모노륨 장판 생산시에는 생산단가를 내리기 위해서는 발포된 PVC재질로 이루어진 하지층(10)과 상기 하지층(10)의 상층으로는 유리섬유층(41)과 상기 유리섬유층(41)의 상층으로 인쇄층과(31) 상기 인쇄층(31)의 상층으로 프라이머층(30)과 상기 프라이머층(30)의 상층으로 코로나 처리층(21)이 구비되는 무연신 폴리프로필렌(CPP) 필름(20)으로 합지되는 구성이고, 이대에도 인쇄층은 숙성에 의하여 프라이머층에 함입되어지는 것이어서 유리섬유층과 프라이머층에 의하여 합지되는 것이다.In addition, as shown in Fig. 3, in order to lower the production cost during the production of the monolithic flooring laminated with glass fibers, a base layer 10 made of foamed PVC material and a glass fiber layer 41 as an upper layer of the base layer 10 And a printed layer 31 as an upper layer of the glass fiber layer 41 and a primer layer 30 as an upper layer of the printed layer 31 and a lead-free corona treatment layer 21 as an upper layer of the primer layer 30 It is a structure that is laminated with a new polypropylene (CPP) film 20, and the print layer is incorporated into the primer layer by aging, and thus is laminated by the glass fiber layer and the primer layer.

또한 도4에 도시된 바와 같이 상기 도1,2,3의 PVC 하지층(10)의 이면으로 부직포(50)가 더 합지되어지는 것이다.In addition, as shown in Figure 4, the non-woven fabric 50 is further laminated to the back surface of the PVC base layer 10 of Figures 1, 2, and 3.

상기 도4의 PVC 하지층(10)의 이면에 합지되는 부직포(50)는 PVC 하지층(10)을 성형할 경우에 오차범위를 감안하여 하지층(10)이 평균 성형온도가 150℃의 온도로 성형되기 때문에 부직포(50)를 PVC하지층을 성형할 경우에 동시에 합지토록 할 수 있는 것이다.
따라서 PVC하지층의 성형과 동시에 부직포가 합지되어짐으로 부직포가 하지층의 이면으로 함입되어지는 것이어서 분리되지 않으면서 보온성이나 내 인장성은 물론 찢어짐의 방지도 우수하게 될 수 있는 것이다.The nonwoven fabric 50 laminated on the back surface of the PVC underlayer 10 of FIG. 4 has an average molding temperature of 150°C in consideration of the error range when molding the PVC underlayer 10. Because it is molded into the nonwoven fabric 50 can be laminated at the same time when the PVC base layer is molded.
Therefore, since the nonwoven fabric is laminated at the same time as the PVC base layer is formed, the nonwoven fabric is embedded into the back side of the base layer, so that the insulation and tensile resistance as well as the prevention of tearing can be excellent without being separated.

본 발명에서의 상기 하지층의 제조방법과 부직포의 합지방법은 두 가지로 구분할 수 있고, 일단 PVC 하지층을 카렌다 공법으로 일정한 두께로 성형하는 것이고, 이때 성형된 하지층을 충분히 냉각시킨 후에 말았다가 라미네이팅 기계에서 다시 열을 150℃까지 올리는 방법이 있고, 다른 방법은 카렌다에서 나오는 하지층(10)의 잔열을 사용하여 바로 부직포를 합지와 성형에 들어 가는 방법이 있다. The manufacturing method of the base layer and the laminating method of the nonwoven fabric in the present invention can be divided into two types, and once the PVC base layer is formed to a certain thickness by the calendar method, the formed base layer is sufficiently cooled before rolling. There is a method of raising the heat up to 150°C again in the laminating machine, and another method is to directly put the nonwoven fabric into lamination and molding using the residual heat of the underlayer 10 from the calendar.

이때 하지층과 부직포의 합지시 하지층의 성형이나 가열할 경우의 온도는 150℃가 가장 우수한 성형성과 합지성을 나타내게 되는 것이다.At this time, when the base layer and the nonwoven fabric are laminated, the temperature when the base layer is formed or heated is 150°C to show the best formability and lamination property.

상기에 두 방식은 그때 당시의 생산성을 고려해서 택하는 게 좋다.The above two methods should be chosen in consideration of the productivity at that time.

그러나 PVC하지층의 성형이나 합지를 위한 가열온도가 170℃에서는 PVC하지층에 부직포가 합지될 경우에 또는 무연신폴리프로필렌(CPP)필름을 합지할 경우에 부직포나 무연신폴리프로필렌(CPP)필름이 엠보싱로라에 녹아서 들러붙는 현상을 발견하였다.However, when the heating temperature for molding or laminating the PVC base layer is 170°C, a non-woven fabric or a non-stretched polypropylene (CPP) film is used when a non-woven fabric is laminated on the PVC base layer or when a non-stretched polypropylene (CPP) film is laminated. The embossing roller melts and sticks.

그러나 PVC하지층의 성형이나 가열온도가 오차범위를 감안한 150℃일 경우에는 합지성이 만족할 만한 수준임을 확인하였다.However, it was confirmed that the lamination property was satisfactory when the molding or heating temperature of the PVC base layer was 150℃ considering the error range.

따라서 PVC하지층이 상기의 온도로 성형되어 엠보싱로라 투입전에 무연신 폴리프로필렌(CPP)필름을 적절한 온도로 pre-heating하여 상기의 PVC 하지층과 합지와 엠보싱을 동시에 진행하는 것이다.Therefore, the PVC base layer is molded at the above temperature, and the non-stretched polypropylene (CPP) film is pre-heated at an appropriate temperature before the embossing roller is introduced, thereby simultaneously performing the above-described PVC base layer, lamination and embossing.

따라서 성형성은 물론 생산성이 우수하게 됨은 물론 성형된 PVC하지층에 성형온도에 의한 잔열이 존재함으로 별도의 가열수단이 필요없이 무연신폴리프로필렌(CPP)필름이 PVC하지층과 합지가 가능하게 되는 것이다.Therefore, not only the moldability but also the productivity is excellent, as well as the presence of residual heat due to the molding temperature in the molded PVC substrate layer, the non-stretched polypropylene (CPP) film can be laminated with the PVC substrate layer without the need for a separate heating means. .

또한 상기 무연신 폴리프로필렌(CPP)필름은 폴리프로필렌(PP:polypropylene)이고 하지층은 PVC로 이루어져 있어 단순히 열로 접착이 이루어지지 않고, 반드시 접착제(프라이머층)가 사용되어야 하는데 무연신폴리프로필렌(CPP)필름의 이면에 인쇄를 할 경우에 단순한 접착을 위한 접착제(프라이머층)의 사용으로는 이러한 인쇄면에 의하여 프라이머층의 접착력이 저하되는 점을 감안하여 본 발명에서는 무연신폴리프로필렌(CPP)필름의 이면에 코로나 처리층을 형성한 후 상기 코로나 처리층의 상층으로 프라이머층을 형성한 후 상기 프라이머층의 상층으로 인쇄층을 형성하고 상기 인쇄층을 형성하는 인쇄잉크가 프라이머층에 함침되어지도록 일정시간동안 숙성(aging)토록 함으로서 인쇄의 내용이 훼손되지 않으면서 인쇄층에 의한 프라이머층의 접착력이 저하되는 것을 방지토록 한 것이다.In addition, the non-stretched polypropylene (CPP) film is polypropylene (PP: polypropylene) and the underlying layer is made of PVC, so adhesion is not performed simply by heat, and an adhesive (primer layer) must be used. ) In the case of printing on the back side of the film, the use of an adhesive (primer layer) for simple adhesion deteriorates the adhesion of the primer layer by this printing surface, and in the present invention, the non-stretched polypropylene (CPP) film After forming a corona treatment layer on the back side of the corona treatment layer, a primer layer is formed as an upper layer of the corona treatment layer, a printing layer is formed as an upper layer of the primer layer, and the printing ink forming the print layer is impregnated into the primer layer. This is to prevent deterioration of the adhesion of the primer layer by the printing layer without damaging the contents of the printing by aging for a period of time.

본 발명에서의 프라이머 층은 통상적으로 연성의 우레탄을 기반으로 하는 것과 아크릴을 기반으로 하는 것이 사용될 수 있지만 본 발명에서는 우레탄을 기반으로 하는 것을 사용함으로서 무연신폴리프로필렌(CPP)필름의 특성을 그대로 활용가능토록 하면서도 유연성을 유지할 수 있는 것이다.The primer layer in the present invention can be used as a primer layer based on ductile urethane or acrylic, but in the present invention, the properties of a non-stretched polypropylene (CPP) film are utilized as it is by using a urethane-based one. It is possible, while still maintaining flexibility.

또한 연성의 우레탄을 기반으로 하는 프라이머층을 형성함으로서 PVC재질로 이루어지는 하지층과 합지할 경우에 무연신폴리프로필렌(CPP)필름의 구겨짐도 방지할 수 있는 것이다.In addition, by forming a primer layer based on ductile urethane, it is possible to prevent wrinkles in the non-stretched polypropylene (CPP) film when it is laminated with a base layer made of a PVC material.

또한 프라이머층의 상층에 인쇄된 인쇄층이 프라이머 층에 함입되어질 수 있도록 숙성은 8~24시간의 범위에서 이루어지도록 한 것이다.In addition, the aging is performed in the range of 8 to 24 hours so that the printed layer printed on the upper layer of the primer layer can be incorporated into the primer layer.

만일 숙성이 8시간 이내로 할 경우에는 인쇄층이 프라이머층에 완전하게 함입되지 않아 합지된 상태에서 박리가 발생될 수 있고, 48시간 이상할 경우에는 불필요한 낭비요인이 되는 것이다.If the aging period is less than 8 hours, peeling may occur in the laminated state because the printing layer is not completely incorporated into the primer layer, and if it is longer than 48 hours, it becomes an unnecessary waste.

따라서 본 발명은 생산성의 향상은 물론 무연신폴리프로필렌(CPP)필름의 특성에 의한 합지의 용이성과 엠보싱의 용이성을 제공하면서 무광택의 장판을 얻을 수 있는 것이다.
더불어 친환경적이면서 저렴하고, 다양한 패턴의 엠보싱의 구현이 가능한 장판을 시장에 제공할 수 있게 되는 것이다. 더불어 본 발명에서는 무연신폴리프로필렌(CPP)필름에 상기와 같이 프라이머층에 인쇄층을 형성한 상태에서 숙성한 후 PVC하지층의 상층에 합지되어진 유리섬유층과 바로 합지가 가능하여 경제성과 사용성의 우수한 성능을 가지게 되는 것이다.Accordingly, the present invention can obtain a matte floorboard while improving productivity as well as providing ease of lamination and ease of embossing due to the characteristics of a non-stretched polypropylene (CPP) film.
In addition, it is possible to provide a floor covering that is eco-friendly, inexpensive, and capable of embossing various patterns to the market. In addition, in the present invention, after aging in the state in which the printing layer is formed on the primer layer on the non-stretched polypropylene (CPP) film as described above, it is possible to directly laminate with the glass fiber layer laminated on the upper layer of the PVC base layer, so it is excellent in economy and use You have performance.

10:하지층
20:무연신 폴리프로필렌(CPP)필름
21:코로나 처리층
30:프라이머층
31:인쇄층
40:PVC흰색필름
41:유리섬유층
50:부직포10: lower layer
20: Non-stretched polypropylene (CPP) film
21: Corona treatment layer
30: Primer layer
31: printing layer
40: PVC white film
41: glass fiber layer
50: nonwoven

Claims (7)

삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 무연신 폴리프로필렌(CPP)필름을 PVC하지층과의 합지를 위하여
무연신 폴리프로필렌(CPP)필름의 이면에 코로나 처리를 한 후
투명도와 연성을 갖는 우레탄을 기반으로 하는 프라이머층을 도포하고,
상기 프라이머층의 노출된 표면에 인쇄층을 구비하고,
상기 인쇄층이 구비된 상태에서 8~24시간 범위에서 숙성토록 하여 인쇄층이 프라이머층으로 함입도록 하고,
상기 무연신 폴리프로필렌(CPP)필름을 PVC하지층과 합지함에 있어, PVC하지층을 140~160℃로 성형하면서 얻어진 PVC하지층의 잔열로 pre-heating된 상기 무연신 폴리프로필렌(CPP)필름을 엠보싱로라를 사용하여 무연신 폴리프로필렌(CPP)필름의 표면에 엠보싱과 합지를 동시에 가능토록 하는 엠보싱(입체무늬)이 구현되는 장판의 제조방법.
For laminating non-stretched polypropylene (CPP) film with PVC base layer
After corona treatment on the back side of non-stretched polypropylene (CPP) film
Apply a primer layer based on urethane having transparency and ductility,
A print layer is provided on the exposed surface of the primer layer,
In the state in which the printing layer is provided, it is allowed to mature in the range of 8 to 24 hours so that the printing layer is incorporated into the primer layer,
In laminating the non-stretched polypropylene (CPP) film with the PVC base layer, the non-stretched polypropylene (CPP) film pre-heated with residual heat of the PVC base layer obtained by molding the PVC base layer at 140 to 160°C A method of manufacturing a floor covering in which embossing (three-dimensional pattern) is implemented on the surface of a non-stretched polypropylene (CPP) film using an embossing roller to enable both embossing and lamination.
 삭제delete
KR1020190045104A 2019-04-17 2019-04-17 A sheet of embossing (body pattern) and its manufacturing method KR102185339B1 (en)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
KR101816875B1 (en) * 2017-07-04 2018-02-21 (주)폴리사이언텍 Polypropylene eco-friendly flooring material and constructing method thereof

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JP4658749B2 (en) * 2004-09-28 2011-03-23 大日本印刷株式会社 A decorative sheet for flooring that is excellent in impact resistance and scratch resistance
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