KR101639971B1 - Non-skid high-pressure resin-impregnated sheet for flooring and manufacturing method thereof - Google Patents

Non-skid high-pressure resin-impregnated sheet for flooring and manufacturing method thereof Download PDF

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KR101639971B1
KR101639971B1 KR1020160019158A KR20160019158A KR101639971B1 KR 101639971 B1 KR101639971 B1 KR 101639971B1 KR 1020160019158 A KR1020160019158 A KR 1020160019158A KR 20160019158 A KR20160019158 A KR 20160019158A KR 101639971 B1 KR101639971 B1 KR 101639971B1
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resin
impregnated
pressure
impregnated sheet
sheet
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Korean (ko)
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차용선
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주식회사 모던우드
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02172Floor elements with an anti-skid main surface, other than with grooves
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/10Layered 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 paper or cardboard
    • 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
    • B32B3/00Layered 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
    • B32B3/26Layered 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
    • B32B3/30Layered 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
    • 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
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/08Impregnating
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich 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
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B2038/0052Other operations not otherwise provided for
    • B32B2038/0076Curing, vulcanising, cross-linking
    • 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
    • B32B2307/70Other properties
    • B32B2307/744Non-slip, anti-slip
    • 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
    • B32B2471/00Floor coverings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to a non-slip high-pressure resin-impregnated sheet for flooring and a manufacturing method thereof which affix a releasing film on a stainless steel plate disposed on an upper press mirror plate of a heat press, and press a high-pressure resin-impregnated sheet using the heat press to form a rough surface on an overlay layer by an imbalance of a surface density of the releasing film when hardening a surface melamine resin by a temperature when using a transparent overlay impregnated into a melamine resin as an uppermost layer to manufacture a high-pressure resin-impregnated sheet. The manufacturing method of a non-slip high-pressure resin-impregnated sheet for flooring comprises: a step of preparing a transparent overlay layer impregnated into a melamine resin; a step of using the transparent overlay layer as an uppermost layer to laminate a shape sheet or pattern wood on a lower portion of the transparent overlay layer and sequentially laminate a craft sheet on a lower portion of the shape sheet or the pattern wood; a step of affixing a releasing film whose surface density is not uniform to a stainless steel plate installed on an upper mirror plate of a heat press, and pressing and forming the releasing film after laminating the craft sheet; and a step of cooling and hardening to finish a high-pressure resin-impregnated sheet.

Description

바닥재용 미끄럼 방지용 고압수지함침시트 및 그 제조방법{Non-skid high-pressure resin-impregnated sheet for flooring and manufacturing method thereof}BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-pressure resin impregnated sheet for flooring,

본 발명은 바닥재용 미끄럼 방지용 고압수지함침시트에 관한 것으로, 특히 멜라민 수지에 함침된 투명 오버레이를 최상층으로 하여 고압수지함침시트를 제조할 때, 열프레스의 상측 프레스에 마련된 스테인레스스틸판에 이형 필름을 부착하고, 열프레스로 고압수지함침시트를 가압하여 표면 멜라민수지가 온도에 의해 경화 시 이형필름의 표면밀도의 불균형으로 인해 오버레이층에 거친 표면을 가지도록 한 바닥재용 미끄럼 방지용 고압수지함침시트 및 그 제조방법에 관한 것이다.The present invention relates to a high-pressure resin-impregnated sheet for slip prevention for flooring, and more particularly to a high-pressure resin-impregnated sheet for slip-preventive flooring using a transparent overlay impregnated with a melamine resin as a top layer, Pressure resin impregnated sheet for flooring and a high-pressure resin-impregnated sheet for pressurizing the high-pressure resin-impregnated sheet with a hot press so that the surface melamine resin has a rough surface on the overlay layer due to unevenness of the surface density of the release film upon curing by temperature, And a manufacturing method thereof.

가정이나 상업용으로 이용하는 바닥재는 합성수지 또는 천연나무를 기반으로 제조되는 것이 일반적이다. 바닥재는 보행자의 이동 시 미끄러짐이 발생할 수 있어 이를 해결하기 위한 다양한 방법들이 제안되고 있다.Flooring materials used for home or commercial use are generally manufactured based on synthetic resins or natural wood. Various methods for solving this problem have been proposed because flooring slip may occur when a pedestrian moves.

기존에 제안된 바닥재로 표면강도를 강화시키기 위해 천연무늬목 대신 다양한 무늬가 인쇄된 모양지에 멜라민수지를 함침시킨 저압 멜라민 함침지를 합판 상부에 열압하여 제조되는 마루바닥재가 개발되어있다.In order to enhance the surface strength with the flooring material proposed in the past, a flooring material which is manufactured by pressurizing a low-pressure melamine impregnated paper impregnated with melamine resin in a pattern printed with various patterns instead of a natural veneer, has been developed.

다른 마루바닥재로서, 저압 멜라민 함침지가 아닌 여러 장의 멜라민 함침지를 50kgf/㎠이상의 고압에서 열압하여 성형하는 고압 멜라민 함침지(HPM)가 사용되기도 한다.As another flooring material, a high-pressure melamine impregnated paper (HPM) is used in which a plurality of melamine-impregnated paper other than a low-pressure melamine-impregnated paper is molded under a high pressure of 50 kgf / cm 2 or more.

한편, 보행자의 미끄러짐을 방지하기 위한 마루바닥재에 대한 다른 종래기술이 하기의 <특허문헌 1> 에 개시되어 있다.On the other hand, another prior art for a flooring material for preventing slippage of a pedestrian is disclosed in Patent Document 1 below.

<특허문헌 1> 에 개시된 종래기술은 표면 속으로 함침용 열경화성 수지가 침투해 표면에 수지막이 형성되도록 함침용 열경화성 수지에 함침시킨 후, 심재 표면에 형성된 함침용 열경화성 수지를 도포한다. 이어, 페놀 함침된 크라프트지(kraftpaper)와 멜라민 함침된 모양지 및 오버레이를 HPL(High Pressure Laminate) 혹은 LPL(Low Pressure Laminate)로 제조 시 스테인레스스틸판을 이용하여 표면 굴곡을 형성한다.In the prior art disclosed in Patent Document 1, a thermosetting resin for impregnation is impregnated into a surface to impregnate the thermosetting resin for impregnation so that a resin film is formed on the surface, and then the thermosetting resin for impregnation formed on the surface of the core is applied. Then, the phenol-impregnated kraft paper and the melamine-impregnated shape and the overlay are made into HPL (High Pressure Laminate) or LPL (Low Pressure Laminate), and the surface curvature is formed by using a stainless steel plate.

이와 같은 종래기술은 열경화성 수지를 변성시킨 미끄럼 방지 화학 수지를 조성한 후, 이를 기존 경질의 함침층과 교차하면서 형성하여 미끄럼 저항성을 확보함은 물론 내충격성을 향상시켜, 미끄럼 방지를 위한 마루판을 제공한다.Such prior arts provide a floorboard for slip prevention by forming a slip resistant chemical resin modified with a thermosetting resin and then forming it by crossing with a hard impregnation layer to secure slip resistance as well as improving impact resistance .

대한민국 등록특허 10-1324473호(2013.10.28. 등록)(발명의 명칭: 미끄럼방지 화학 수지에 의한 미끄럼방지 마루판의 제조방법 및 그 마루판)Korean Registered Patent No. 10-1324473 (Registered on October 27, 2013) (Name of the invention: Method for manufacturing anti-slip floorboards by anti-slip chemical resin and floorboards thereof)

그러나 상기와 같은 종래기술은 표면 속으로 함침용 열결화성 수지가 침투해 표면에 수지막이 형성되도록 함침용 열결화성 수지에 함침한 후, 심재 표면에 형성된 함침용 열경화성 수지를 도포한 후, 페놀 함침된 크라프트지와 멜라민 함침된 모양지 및 오버레이를 HPL(High Pressure Laminate) 혹은 LPL(Low Pressure Laminate)로 제조 시 표면 굴곡을 형성하기 위해 사용하는 스테인레스스틸판이 표면을 부드럽게 하는 역할을 하여, 제품제조 시 미끄럼을 유발하는 단점이 있다.However, in the conventional technology as described above, the thermosetting resin for impregnation is impregnated into the surface to impregnate the thermosetting resin for impregnation so that a resin film is formed on the surface, the thermosetting resin for impregnation formed on the surface of the core is applied, Stainless steel plate used to form surface bending when manufacturing kraft paper, melamine impregnated paper and overlay with HPL (High Pressure Laminate) or LPL (Low Pressure Laminate) softens the surface, . &Lt; / RTI &gt;

여기서 스테인레스스틸판은 금속 제품으로 밀도가 동일하여 성형시 표면을 부드럽게 한다. Here, the stainless steel plate is a metal product having the same density, which softens the surface during molding.

따라서 본 발명은 상기와 같은 종래기술에서 발생하는 제반 문제점을 해결하기 위해서 제안된 것으로서, 멜라민 수지에 함침된 투명 오버레이를 최상층으로 하여 고압수지함침시트를 제조할 때, 열프레스의 상측 프레스 경면판에 마련된 스테인레스스틸판에 이형 필름을 부착하고, 열프레스로 고압수지함침시트를 가압하여 표면 멜라민수지가 온도에 의해 경화 시 이형필름의 표면밀도의 불균형으로 인해 오버레이층에 거친 표면을 가지도록 한 바닥재용 미끄럼 방지용 고압수지함침시트 및 그 제조방법에 제공하는 데 그 목적이 있다.SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a high-pressure resin impregnated sheet having a transparent overlay impregnated with a melamine resin as an uppermost layer, A pressure-sensitive adhesive sheet was prepared by attaching a release film to a stainless steel plate provided and pressing the high-pressure resin impregnated sheet with a hot press so that the surface melamine resin had a rough surface on the overlay layer due to unevenness of the surface density of the release film upon curing by temperature Pressure resin impregnated sheet for slip prevention and a method of manufacturing the same.

상기한 바와 같은 목적을 달성하기 위하여, 본 발명에 따른 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법은 (a) 멜라민 수지에 함침된 투명 오버레이층을 마련하는 단계; (b) 상기 투명 오버레이층을 최상층으로 하여, 그 하부에 모양지 또는 무늬목을 적층하고 그 하부에 크라프트지를 순차로 적층하는 단계; (c) 상기 크라프트지 적층 후, 열 프레스의 상측 경면판에 설치된 스테인레스판에 표면밀도가 불균일한 이형필름을 부착하고, 가압하여 성형하는 단계; (d) 상기 (c)단계 후 냉각 및 경화시켜 고압수지함침시트를 완성하는 단계를 포함하는 것을 특징으로 한다.In order to accomplish the above object, the present invention provides a method for manufacturing a high-pressure resin infiltration sheet for a flooring comprising: (a) providing a transparent overlay layer impregnated with a melamine resin; (b) laminating a pattern or pattern on the transparent overlay layer as the uppermost layer, and laminating kraft paper on the lower portion thereof; (c) attaching a releasing film having a nonuniform surface density to a stainless steel plate provided on an upper mirror-surface plate of the thermal press after the kraft paper lamination, pressing and forming the press; (d) cooling and curing the resin after the step (c) to complete the high-pressure resin-impregnated sheet.

상기에서 이형필름은 소정 두께의 종이에 폴리 우레탄(PU)이 코팅된 것을 특징으로 한다.The release film is characterized in that polyurethane (PU) is coated on a paper having a predetermined thickness.

상기에서 (c)단계는 80 ~ 220℃의 고온에서 50 ~ 120kgf/cm2의 압력으로 소정 시간 열 프레스로 가압하여 성형하는 것을 특징으로 한다.The step (c) is characterized by pressing at a high temperature of 80 to 220 캜 at a pressure of 50 to 120 kgf / cm 2 by a hot press for a predetermined time.

상기에서 (c)단계는 투명 오버레이층의 표면 멜라민수지가 열에 의해 경화 시 이형필름의 표면밀도의 불균형으로 거치 표면을 형성하는 것을 특징으로 한다.Wherein the step (c) is characterized in that the surface melamine resin of the transparent overlay layer forms a stationary surface with an imbalance in surface density of the release film upon curing by heat.

상기한 바와 같은 목적을 달성하기 위하여, 본 발명에 따른 바닥재용 미끄럼 방지용 고압수지함침시트는 상기 언급된 제조방법 중 어느 하나의 제조방법에 의해 제조되는 것을 특징으로 한다.In order to achieve the above object, the non-slip high-pressure resin-impregnated sheet for flooring according to the present invention is produced by any one of the above-mentioned manufacturing methods.

본 발명에 따르면 이형필름의 표면에 밀도가 상이한 종이 및 폴리 우레탄을 코팅하고, 고압 프레스 시 밀도가 높은 쪽은 잘 눌리고 밀도가 낮은 쪽은 덜 눌려서 투명 오버레이층의 표면에 미세하게 돌기를 형성함으로써, 바닥재 사용 시 미끄럼을 방지할 수 있는 장점이 있다.According to the present invention, a paper and polyurethane having different densities are coated on the surface of a release film, and a high density pressed portion is pressed well and a low density portion is pressed less to form fine protrusions on the surface of the transparent overlay layer, It has the advantage of preventing slip when using flooring.

도 1은 본 발명에 따른 바닥재용 미끄럼 방지용 고압수지함침시트의 제조 공정도,
도 2는 본 발명에 의해 완성된 바닥재용 미끄럼 방지용 고압수지함침시트의 단면도.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a manufacturing process diagram of a high-pressure resin-impregnated sheet for flooring according to the present invention,
2 is a sectional view of a non-slip high-pressure resin impregnated sheet for flooring completed by the present invention.

이하 본 발명의 바람직한 실시 예에 따른 바닥재용 미끄럼 방지용 고압수지함침시트 및 그 제조방법을 첨부된 도면을 참조하여 상세하게 설명한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a high-pressure resin-impregnated sheet for flooring according to a preferred embodiment of the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 바람직한 실시 예에 따른 바닥재용 미끄럼 방지용 고압수지함침시트의 제조 공정도이고, 도 2는 완성된 고압수지함침시트의 단면도이다.1 is a view showing a manufacturing process of a high-pressure resin-impregnated sheet for flooring according to a preferred embodiment of the present invention, and Fig. 2 is a sectional view of a completed high-pressure resin-

본 발명에 따른 바닥재용 미끄럼 방지용 고압수지함침시트는 다수의 함침조와 코팅장치로 구성되는 화학 수지에 의한 미끄럼 방지 오버레이용 시트 제조장치를 통해 제조할 수 있다.The high-pressure resin-impregnated sheet for flooring according to the present invention can be produced through a sheet-making apparatus for a non-slip overlay using a chemical resin composed of a plurality of impregnation vessels and a coating apparatus.

먼저, 오버레이용 심재인 종이를 심재로 이용하여 오버레이용 심재의 표면 속으로 화학 수지를 함침시켜 투명 오버레이층(30)을 제조한다. 여기서 오버레이용 심재에 함침되는 수지는 멜라민, 멜라민-포름알데히드 축합중합 수지, 멜라민-포름알데히드-우레탄 축합중합 수지 중 어느 하나를 이용하는 것이 바람직하다.First, a transparent overlay layer 30 is manufactured by impregnating a chemical resin into the surface of an overlay core using paper as a core material for overlay. Here, it is preferable to use any one of melamine, melamine-formaldehyde condensation polymerization resin, and melamine-formaldehyde-urethane condensation polymerization resin as the resin impregnated in the overlay core.

예컨대, 화학 수지에 의한 미끄럼 방지 오버레이용 수지함침시트 제조장치의 다수의 함침조 중 어느 하나에는 멜라민 또는 멜라민-포름알데히드 축합중합 수지를 수납하거나, 이웃하는 다른 함침조에는 멜라민-포름알데히드-우레아 축합중합 수지를 반복적으로 수납한 상태에서 오버레이용 심재를 통과시키면 오버레이용 심재의 표면에 멜라민 수지 함침층, 멜라민-포름알데히드 축합중합 수지 함침층 혹은 멜라민-포름알데히드-우레아 축합중합 수지 함침층이 적층된 구조로 함침되며, 이때에 미끄럼 저항성을 위해 최상층에는 멜라민 수지 함침층이 위치할 수 있도록 한다.For example, in one of the plurality of impregnation baths of the apparatus for producing a resin-impregnated sheet for a non-slip prevention overlay by chemical resin, melamine or melamine-formaldehyde condensation polymerization resin is housed, or melamine-formaldehyde- When the overlay core material is passed while the polymer resin is repeatedly accommodated, a melamine resin impregnated layer, a melamine-formaldehyde condensed polymer impregnated layer or a melamine-formaldehyde-urea condensed polymer impregnated layer is laminated on the surface of the overlay core material Structure in which the melamine resin impregnated layer is located on the top layer for slip resistance.

다음으로, 상기와 같이 형성된 소정 두께의 멜라민 함침된 투명 오버레이층(30)을 최상층인 노출층으로 하고, 상기 투명 오버레이층(30)의 아래에는 소정 두께의 멜라민 함침된 모양지(40) 또는 무늬목을 적층하고, 상기 모양지(40)의 하부에는 소정 두께의 페놀 함침된 크라프트지(50)를 순차적층한다.The melamine-impregnated transparent overlay layer 30 having the predetermined thickness is formed as an uppermost layer of the overlay layer 30, and a melamine impregnated paper 40 or veneer And a phenol-impregnated kraft paper (50) having a predetermined thickness is sequentially layered on the lower side of the pattern paper (40).

이어, 80 ~ 220℃의 고온에서 50 ~ 120kgf/cm2의 압력으로 소정 시간(5분 내지 60분) 열 프레스(100)로 가압하여 상기 투명 오버레이층(30), 모양지(40) 및 크라프트지(50)에 포함되어 있는 함침용 열경화성 수지를 완전히 경화시켜, 상기 투명 오버레이층(30), 모양지(40) 및 크라프트지(50)를 일체화시켜, 화학 수지에 의한 미끄럼 방지 고압수지함침시트(60)를 제조한다.The transparent overlay layer 30, the pattern paper 40, and the craft paper 40 are pressed by a hot press 100 at a high temperature of 80 to 220 ° C at a pressure of 50 to 120 kgf / cm 2 for a predetermined time (5 to 60 minutes) The transparent overlay layer 30, the shod paper 40 and the kraft paper 50 are integrated so that the non-slip high-pressure resin impregnated sheet 30 made of a chemical resin is completely cured, (60).

여기서 열 프레스(100)는 상측 프레스 경면판(101)과 하측 프레스 받침판(102)로 대별된다.Here, the hot press 100 is roughly divided into an upper press-contact mirror plate 101 and a lower press plate 102.

상기 상측 프레스 경면판(101)의 하부에는 홈 가공이나 엠보싱 가공 등을 위해 소정 두께(예를 들어, 3 ~ 5mm)의 스테인레스스틸판(stainless steel plate)(20)이 마련된다.A stainless steel plate 20 having a predetermined thickness (for example, 3 to 5 mm) is provided on the lower portion of the upper press-contact mirror plate 101 for grooving or embossing.

본 발명은 투명 오버레이층(30)에 도 2에 도시한 바와 같이, 바닥재용 미끄럼 방지용 미세한 돌기(31)를 형성하기 위해, 상기 스테인레스스틸판(20)에 표면밀도가 불균일한 재질이 코팅된 이형필름(10)을 부착하고, 열 프레스(100)로 고온 고압 성형하여, 바닥재용 미끄럼 방지용 고압수지함침시트(60)를 성형한다.2, a transparent overlay layer 30 is formed on the stainless steel plate 20 so as to form a fine protrusion 31 for anti-slip for flooring, The film 10 is attached and molded under high temperature and high pressure by a hot press 100 to form a high-pressure resin-impregnated sheet 60 for anti-slip for flooring.

열 프레스(100)로 고압수지함침시트(60)를 가압하면, 도 2에 도시한 바와 같이, 투명 오버레이층(30)의 표면에는 돌기(31)와 같은 거친 표면이 형성된다.When the high-pressure resin-impregnated sheet 60 is pressed with the hot press 100, rough surfaces such as the projections 31 are formed on the surface of the transparent overlay layer 30 as shown in Fig.

상기 오버레이층(30)의 표면에 Al2O3 나노입자를 미세하게 도포하면 표면스크래치를 높일 수 있다.When the Al2O3 nanoparticles are finely coated on the surface of the overlay layer 30, the surface scratch can be increased.

여기서 이형필름(Release Film)(10)은 밀착성의 우수한 효율을 위하여, 폴리에스테르필름(PET)의 단면 또는 양면에 실리콘 조성물과 대전방지효과를 나타내는 무기입자를 첨가하여 도포한 이형필름으로, 균일한 박리력과 잔류 접착력, 대전 방지 성능이 매우 우수하여, 전지, 전자부품 및 디스플레이 소재의 점착층을 보호하거나, MLCC세라믹 성형할 때의 기재 필름으로 주로 사용되는 기능성 필름이다.The Release Film 10 is a release film formed by applying a silicone composition and an inorganic particle exhibiting an antistatic effect to both or both sides of a polyester film (PET) Is a functional film mainly used as a substrate film for protecting an adhesive layer of a battery, an electronic component and a display material, or for forming an MLCC ceramic, because of its excellent peeling force, residual adhesive force and antistatic property.

본 발명에서 사용한 이형필름(10)은 종이 약 60g/m2 ~ 200g/m2와 표면에 폴리우레탄(pu), 실리콘 또는 PVC 내열 필름이 코딩된 필름이다. 약 100℃ ~ 280℃의 고온에도 견딜 수 있는 내열성이 강한 필름이다.The release film 10 used in the present invention is a film in which paper is coated with polyurethane (pu), silicone or PVC heat-resistant film at a surface of about 60 g / m 2 to 200 g / m 2 . Resistant film that can withstand high temperatures of about 100 ° C to 280 ° C.

본 발명에서는 바람직한 실시 예로 이형필름(10)에 종이를 이용하였으나, 본 발명은 이것에 한정되는 것은 아니고, 종이 대신에 PET나 PP 기타 계열을 이용할 수 있다. 종이 대신에 PET나 PP 기타 계열을 이용하는 것은 당해 분야에 종사하는 기술자라면 충분히 적용 가능함을 알 수 있다.In the present invention, paper is used for the release film 10 as a preferred embodiment. However, the present invention is not limited to this, and instead of paper, PET, PP, or other series may be used. The use of PET or other PP series instead of paper can be applied to any person skilled in the art.

열 프레스(100)로 고압수지함침시트(60)를 가압하면, 종이의 부분밀도는 각각 달라 밀도가 높은 쪽은 잘 눌러지고, 밀도가 낮은 쪽은 덜 눌러져서 도 2에 도시한 바와 같이 투명 오버레이층(30)의 표면에 미세하게 까칠한 돌기(31)가 생성된다. 기존에 보편화된 HPL 제품은 스테인레스스틸판이라는 금속 제품으로 성형 시 표면 밀도가 균일하여 표면을 부드럽게 만든다. 따라서 제품 제조 시 표면의 부드러움으로 인해 결과적으로 오버레이층에 미끄럼성을 유발한다.When the high-pressure resin-impregnated sheet 60 is pressed by the hot press 100, the density of the paper is different, and the density of the paper is higher. The density of the paper is higher and the density is lower. Finely projected protrusions 31 are produced on the surface of the layer 30. The conventional HPL product is a metal product called stainless steel plate, the surface density is uniform during molding and makes the surface smooth. Thus, the softness of the surface during the manufacture of the product results in slippage in the overlay layer.

반면, 본원발명은 표면의 밀도가 불균일한 종이를 포함한 이형필름(10)에 의해, HPL 성형시 밀도가 높은 부분은 잘 눌리고, 밀도가 낮은 부분은 덜 눌러져서 이것이 투명 오버레이층(30)에 거친 돌기를 생성하게 되며, 이러한 거친 돌기에 의해 미끄럼성을 저하시키게 되는 것이다.On the other hand, in the present invention, the high density portion is pressed well and the low density portion is pressed less by the release film 10 including the paper with the surface density unevenness, And the slippery property is lowered by the rough protrusion.

이와 같이 방식으로 고압수지함침시트를 제조하게 되면, HPL 성형 후 표면과의 이형성을 유지할 수 있어, 기존 고압수지함침시트의 내마모성, 내스크래치성이 우수한 HPL 고유의 성질을 유지하면서, 표면에 돌기가 자연스럽게 생성되어, 미끄러짐을 방지하게 되는 것이다.When the high-pressure resin-impregnated sheet is manufactured in this manner, it is possible to maintain the releasing property with the surface after HPL molding, and it is possible to maintain the inherent property of HPL which is excellent in abrasion resistance and scratch resistance of the existing high- It is generated naturally, and slip prevention is prevented.

이상 본 발명자에 의해서 이루어진 발명을 상기 실시 예에 따라 구체적으로 설명하였지만, 본 발명은 상기 실시 예에 한정되는 것은 아니고 그 요지를 이탈하지 않는 범위에서 여러 가지로 변경 가능한 것은 물론이다. Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

본 발명은 미끄러짐을 방지하기 위한 고압수지함침시트를 제조하는 기술에 적용된다.The present invention is applied to a technique for manufacturing a high-pressure resin-impregnated sheet for preventing slippage.

10: 이형필름
20: 스테인레스스틸판
30: 오버레이층
31: 돌기
40: 모양지
50: 크라프트지
10: release film
20: Stainless steel plate
30: overlay layer
31: projection
40: Shape
50: Kraft paper

Claims (9)

바닥재용 미끄럼 방지용 고압수지함침시트를 제조하는 방법으로서,
(a) 멜라민 수지에 함침된 투명 오버레이층을 마련하는 단계;
(b) 상기 투명 오버레이층을 최상층으로 하여, 그 하부에 모양지 또는 무늬목을 적층하고 그 하부에 크라프트지를 순차로 적층하는 단계;
(c) 상기 크라프트지 적층 후, 열 프레스의 상측에 설치된 스테인레스스틸판에 표면밀도가 불균일한 이형필름을 부착하고, 가압 성형하여 투명 오버레이층에 미세돌기를 형성하는 단계; 및
(d) 상기 (c)단계 후 냉각 및 경화시켜 고압수지함침시트를 완성하는 단계를 포함하며,
상기 이형필름은 소정 두께의 종이에 폴리 우레탄(PU)이 코팅된 것을 특징으로 하는 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법.
A method for producing a high pressure resin impregnated sheet for flooring slip prevention,
(a) providing a transparent overlay layer impregnated with a melamine resin;
(b) laminating a pattern or pattern on the transparent overlay layer as the uppermost layer, and laminating kraft paper on the lower portion thereof;
(c) attaching a release film having a nonuniform surface density to a stainless steel plate provided on the upper side of the thermal press after the kraft paper lamination, and forming fine protrusions on the transparent overlay layer by pressure molding; And
(d) cooling and curing the step (c) to complete a high-pressure resin-impregnated sheet,
Wherein the release film is coated with polyurethane (PU) on a paper having a predetermined thickness.
삭제delete 삭제delete 삭제delete 삭제delete 청구항 1에 있어서, 상기 (c)단계는 80 ~ 220℃의 고온에서 50 ~ 120kgf/cm2의 압력으로 소정 시간 열 프레스로 가압하여 성형하는 것을 특징으로 하는 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법.The method for producing a high-pressure resin-impregnated sheet for flooring according to claim 1, wherein the step (c) is performed by pressurizing with a hot press at a high temperature of 80 to 220 ° C at a pressure of 50 to 120 kgf / cm 2 for a predetermined time . 청구항 1에 있어서, 상기 (c)단계는 투명 오버레이층의 표면 멜라민수지가 열에 의해 경화 시, 이형필름의 표면밀도의 불균형으로, 밀도가 높은 부분은 잘 눌리고, 밀도가 낮은 부분은 덜 눌러져서, 투명 오버레이층에 미세 돌기를 형성하는 것을 특징으로 하는 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법.The method according to claim 1, wherein the step (c) comprises the steps of: forming a transparent overlay layer on the surface of the melamine resin; curing the surface melamine resin by heat; Characterized in that fine protrusions are formed on the transparent overlay layer. 청구항1에 있어서, 상기 오버레이층의 표면에 Al2O3 나노입자를 미세하게 도포한 것을 특징으로 하는 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법. The method for producing a high-pressure resin impregnated sheet for flooring according to claim 1, wherein the surface of the overlay layer is finely coated with Al 2 O 3 nanoparticles. 청구항 1 에 기재된 바닥재용 미끄럼 방지용 고압수지함침시트 제조방법에 의해 제조되는 것을 특징으로 하는 바닥재용 미끄럼 방지용 고압수지함침시트.
Pressure resin impregnated sheet for flooring according to claim 1, which is produced by the method for producing a high-pressure resin-impregnated sheet for flooring according to claim 1.
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KR20220050339A (en) * 2020-10-16 2022-04-25 주식회사 스마트진 Nonskid floor tile with consideration of dog
KR102442955B1 (en) * 2020-10-16 2022-09-14 주식회사 스마트진 Nonskid floor tile with consideration of dog
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KR102442962B1 (en) * 2020-10-30 2022-09-14 주식회사 스마트진 Nonskid floor sheet with consideration of dog

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