KR101275737B1 - Decoration sheet and manufaturing method - Google Patents

Decoration sheet and manufaturing method Download PDF

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Publication number
KR101275737B1
KR101275737B1 KR1020080112510A KR20080112510A KR101275737B1 KR 101275737 B1 KR101275737 B1 KR 101275737B1 KR 1020080112510 A KR1020080112510 A KR 1020080112510A KR 20080112510 A KR20080112510 A KR 20080112510A KR 101275737 B1 KR101275737 B1 KR 101275737B1
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South Korea
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layer
decorative
sheet
insert molding
base sheet
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KR1020080112510A
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Korean (ko)
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KR20100053747A (en
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김형곤
이민호
김진우
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(주)엘지하우시스
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    • 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
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • B32B2037/1215Hot-melt adhesive
    • 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
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • 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
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered 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
    • 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
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B38/14Printing or colouring
    • B32B38/145Printing
    • 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
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14Metallic material, boron or silicon
    • C23C14/20Metallic material, boron or silicon on organic substrates

Abstract

본 발명은 인서트 성형용 장식시트 및 그 제조방법에 관한 것으로서, 특히 인서트 성형용 장식시트는 ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지 중에서 선택되고 입체형상이 부여되는 기재시트와; 상기 기재시트의 상면에 적층되고 펄인쇄층 또는 금속증착층으로 이루어지는 장식층과; 상기 장식층의 상면에 도포되고 투명재질의 폴리에스테르계 핫멜트 수지로 이루어지는 접착층과; 상기 접착층의 상면에 적층되고 투명재질의 아크릴계 수지조성물로 이루어지는 표면층;으로 구성되어, 기재시트와 장식층의 입체감이나 질감, 색상 등이 투명한 접착층과 표면층을 통하여 외부에 시각적으로 노출되므로 장식시트의 심미감을 극대화시킬 수 있는 효과가 있다.The present invention relates to a decorative sheet for insert molding and a method for manufacturing the same, in particular, the decorative sheet for insert molding is selected from ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or an olefin resin. A base sheet selected and provided with a three-dimensional shape; A decorative layer laminated on an upper surface of the base sheet and composed of a pearl printing layer or a metal deposition layer; An adhesive layer applied to an upper surface of the decorative layer and made of a transparent polyester-based hot melt resin; The surface layer laminated on the upper surface of the adhesive layer and made of a transparent acrylic resin composition; consisting of a three-dimensional feeling, texture, color, etc. of the base sheet and the decorative layer is visually exposed to the outside through the transparent adhesive layer and the surface layer aesthetics of the decorative sheet There is an effect that can maximize the sense.

장식시트, 기재시트, 장식층, 표면층, 금속증착 Decorative sheet, base sheet, decorative layer, surface layer, metal deposition

Description

인서트 성형용 장식시트 및 그 제조방법{Decoration sheet and manufaturing method}Decorative sheet for insert molding and manufacturing method therefor {Decoration sheet and manufaturing method}

본 발명은 인서트 성형용 장식시트 및 그 제조방법에 관한 것으로서, 특히 복수개의 층을 이루도록 하면서 외부에는 투명한 층을 위치시키고 내부에는 입체감과 질감을 표현할 수 있는 층을 위치시켜, 외부의 투명한 층이 만드는 광택감과 내부의 층이 만드는 입체감 및 질감을 시각적으로 감지할 수 있도록 하여 자동차 내외장재, 가전제품 케이스, 가구 등의 표면마감재로 제공될 수 있는 인서트 성형용 장식시트 및 그 제조방법에 관한 것이다.The present invention relates to a decorative sheet for insert molding and a method for manufacturing the same. Particularly, a transparent layer is placed on the outside and a layer capable of expressing a three-dimensional feeling and a texture is formed on the outside while forming a plurality of layers. The present invention relates to an insert molding decorative sheet and a method of manufacturing the same, which can be provided as a surface finishing material for automobile interior and exterior materials, home appliance cases, and furniture by allowing the user to visually sense the glossiness and the three-dimensional texture and texture created by the inner layer.

일반적으로 인서트 성형용 장식시트는 그림, 문자, 숫자, 무늬 등의 다양한 장식효과를 가진 표면마감재 역할을 하는 시트를 말하는 것으로서, 제조된 기재시트를 원하는 모양으로 성형한 후, 이것을 사출기 금형 안에 넣고 뒷면에 용융된 수지를 사출, 고화시킴으로써 원하는 장식효과를 가진 부품으로 제조하게 된다. 이러한 인서트 성형용 장식시트를 이용한 부품의 장식효과는 사출물에 도장을 하거나 점착시트를 붙임으로써 만들어내는 장식부품에 비하여 시트위에 장식효과를 구현하기 때문에 구현할 수 있는 장식효과가 다양하고, 장식효과를 나타낸 후 성형하기 때문에 부품 형상의 제약이 적은 장점이 있다. 따라서 인서트 성형용 장식시트는 자동차의 내외장재, 가전제품의 케이스 등에 자주 사용되고 있다.In general, the decorative sheet for insert molding refers to a sheet serving as a surface finishing material having various decorative effects such as pictures, letters, numbers, and patterns. After molding the manufactured base sheet into a desired shape, the sheet is placed in an injection molding machine mold The molten resin is injected and solidified into a component having a desired decorative effect. The decorative effect of the parts using the decorative sheet for insert molding has a variety of decorative effects that can be realized because the decorative effect is implemented on the sheet compared to the decorative parts produced by painting or pasting an adhesive sheet. Since the post-molding has the advantage of less constraints on the shape of the part. Therefore, the decorative sheet for insert molding is frequently used for interior and exterior materials of automobiles, cases of home appliances.

상기한 것처럼 자동차의 내외장재, 가전제품의 케이스 등에 표면마감재로써 인서트 성형용 장식시트는 종래에도 많이 사용되었으나, 종래에 사용되던 인서트 성형용 장식시트는 제품에 고급스러움을 주기 위하여 두껍고 투명한 유리가 표면층으로 사용되다 보니, 유리를 제외한 나머지 장식시트를 제품표면에 붙인 후 다시 유리를 붙여야 하기 때문에 그 작업이 번거로울 뿐만 아니라 비용이 많이 발생하였고, 또한 유리로 이루어진 표면층이 사용과정 중에 박리되어 떨어질 염려도 높기 때문에 안전하지 못한 문제점을 갖고 있었다.As described above, the decorative sheet for insert molding has been widely used as a surface finishing material for interior and exterior materials of automobiles and cases of home appliances, but the decorative sheet for insert molding used in the prior art has thick and transparent glass as a surface layer to give a luxury to the product. As it is used, it is not only cumbersome and expensive because the decorative sheets other than glass must be attached to the surface of the product, and then the glass is applied again, and the surface layer made of glass is likely to be peeled off during use. There was an unsafe problem.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 투명한 표면층과 입체형상의 내부 장식층을 동시에 갖도록 구성함으로써, 유리와 같은 별도의 표면층을 사용하지 않고도 광택감을 구현하고 동시에 표면층 아래에 위치된 내부 구성층들의 입체감 및 질감을 시각적으로 표현할 수 있는 인서트 성형용 장식시트 및 그 제조방법을 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, by having a transparent surface layer and a three-dimensional interior decoration layer at the same time, to realize the gloss without using a separate surface layer such as glass and at the same time positioned below the surface layer It is an object of the present invention to provide an insert molding decorative sheet and a method of manufacturing the same, which can visually express the three-dimensional texture and texture of the internal components.

상기한 과제를 해결하기 위한 본 발명에 의한 인서트 성형용 장식시트는, 기재시트와, 상기 기재시트의 상면에 적층되는 장식층과, 상기 장식층의 상면에 도포되는 투명재질의 접착층과, 상기 접착층의 상면에 적층되는 투명재질의표면층으로 이루어진 인서트 성형용 장식시트에 있어서, 상기 기재시트는 엠보싱 롤러를 회전시키거나 금형을 통해 상측에서 하측으로 가압하여 입체형상을 부여하고, 성형 또는 사출공정에서 용융수지의 열과 압력으로부터 상기 장식층, 접착층 및 표면층을 보호하는 것을 특징으로 한다.
상기 기재시트는 ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지 중에서 선택된 어느 하나로 이루어진 것을 특징으로 한다.
상기 장식층은 펄인쇄층 또는 금속증착층인 것을 특징으로 한다.
상기 접착층은 폴리에스테르계 핫멜트 수지로 이루어진 것을 특징으로 한다.
상기 표면층은 투명한 아크릴계 수지조성물로 이루어진 것을 특징으로 한다.
상기한 과제를 해결하기 위한 본 발명에 의한 인서트 성형용 장식시트 제조방법은, ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지로 이루어진 기재시트에 금속증착 또는 펄인쇄를 하여 장식층을 형성시키는 단계; 상기 장식층이 형성된 상기 기재시트를 입체형상이 부여된 금속롤과 고무롤 사이에 통과시키거나 금형을 통해 상측에서 하측으로 가압하여 입체형상을 부여하는 단계; 상기 장식층 상부에 폴리에스테르계 핫멜트 수지를 압출코팅하여 접착층을 형성하는 단계; 상기 접착층의 상부에 아크릴계 수지조성물을 압출코팅하여 투명표면층을 형성하는 단계; 를 포함하여 구성된 것을 특징으로 한다.
The decorative sheet for insert molding according to the present invention for solving the above problems is a base sheet, a decorative layer laminated on the upper surface of the base sheet, a transparent adhesive layer applied on the upper surface of the decorative layer, and the adhesive layer In the decorative sheet for insert molding consisting of a surface layer of a transparent material laminated on the upper surface of the, the base sheet is imparted to the three-dimensional shape by rotating the embossing roller or by pressing from the upper side to the lower side through the mold, and melted in the molding or injection process It is characterized by protecting the decorative layer, the adhesive layer and the surface layer from the heat and pressure of the resin.
The base sheet is characterized in that made of any one selected from ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or olefin resin.
The decorative layer is characterized in that the pearl printing layer or metal deposition layer.
The adhesive layer is characterized by consisting of a polyester-based hot melt resin.
The surface layer is characterized by consisting of a transparent acrylic resin composition.
Insert molding decorative sheet manufacturing method according to the present invention for solving the above problems is, ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or an olefin resin base sheet Metal deposition or pearl printing to form a decorative layer; Passing the base sheet on which the decorative layer is formed between the metal roll and the rubber roll to which the three-dimensional shape is given or pressurizing the upper and lower sides through a mold to give a three-dimensional shape; Forming an adhesive layer by extrusion coating a polyester-based hot melt resin on the decorative layer; Forming a transparent surface layer by extrusion coating an acrylic resin composition on top of the adhesive layer; And a control unit.

삭제delete

상기와 같이 구성되는 본 발명의 인서트 성형용 장식시트 및 그 제조방법은 기재시트에 의하여 입체감이 부여되고 장식층에 의하여 어떤 특정재질의 질감이나 색상 등이 발현되며, 이러한 입체감이나 질감, 색상 등이 투명한 접착층과 표면층을 통하여 외부에 시각적으로 노출되므로 장식시트의 심미감을 극대화시킬 수 있는 이점이 있다.Insert molding decorative sheet of the present invention and the manufacturing method of the present invention is configured as described above is given a three-dimensional feeling by the base sheet and the texture or color of any particular material is expressed by the decorative layer, such three-dimensional feeling, texture, color, etc. Since it is visually exposed to the outside through the transparent adhesive layer and the surface layer has the advantage of maximizing the aesthetics of the decorative sheet.

이하, 본 발명에 의한 인서트 성형용 장식시트 및 그 제조방법의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings an embodiment of the insert molding decorative sheet and a method for manufacturing the same according to the present invention will be described in detail.

도 1은 본 발명에 의한 인서트 성형용 장식시트의 단면도이고, 도 2는 본 발명에 의한 인서트 성형용 장식시트 제조방법의 순서도이다.1 is a cross-sectional view of the decorative sheet for insert molding according to the present invention, Figure 2 is a flow chart of the manufacturing method of the decorative sheet for insert molding according to the present invention.

본 발명에 의한 인서트 성형용 장식시트는 기재시트(10)와, 상기 기재시트(10)의 상면에 적층되는 장식층(20)과, 상기 장식층(20)의 상면에 도포되는 접착층(30)과, 상기 접착층(30)의 상면에 적층되는 표면층(40)으로 구성된다.The decorative sheet for insert molding according to the present invention includes a base sheet 10, a decorative layer 20 laminated on the upper surface of the base sheet 10, and an adhesive layer 30 applied to the upper surface of the decorative layer 20. And a surface layer 40 laminated on the upper surface of the adhesive layer 30.

상기 기재시트(10)는 본 발명에 의한 인서트 성형용 장식시트의 기계적 물성에 크게 관여하는 층으로 우수한 성형성을 가져야 한다. 이러한 이유로 본 발명에서는 기재시트(10)의 재료로 ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지 중에서 어느 하나를 선택하여 구성한다. 또한 본 발명의 기재시트(10)는 장식효과를 얻기 위하여 입체형상이 부여되는 층이다. 이러한 입체형상은 통상적인 롤형태의 엠보싱롤러를 회전시켜 기재시트(10)에 형성시킬 수도 있고 혹은 상측에서 하측으로 가압하는 프레스 방식의 금형을 사용하여 형성시킬 수도 있다. 따라서, 상기 기재시트(10)에는 엠보 형태, 즉 높이가 높은 산부와 상기 산부에 비하여 높이가 낮은 골부가 연속적인 입체형상이 형성된다. 또한 상기 기재시트(10)는 상기 장식층(20)과 접착층(30) 및 표면층(40)이 본연의 장식효과를 구현할 수 있도록 기여하며, 성형 및 사출공정에서 용융수지의 열과 압력으로부터 상기 장식층(20)과 접착층(30) 및 표면층(40)을 보호하는 역할을 한다.The base sheet 10 should have excellent moldability as a layer that is largely involved in the mechanical properties of the decorative sheet for insert molding according to the present invention. For this reason, in the present invention, the material of the base sheet 10 is selected from ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or an olefin resin. In addition, the base sheet 10 of the present invention is a layer that is given a three-dimensional shape in order to obtain a decorative effect. Such a three-dimensional shape may be formed on the base sheet 10 by rotating a conventional roll-shaped embossing roller, or may be formed by using a mold of a press method pressed from the upper side to the lower side. Accordingly, the base sheet 10 is formed in a three-dimensional shape in which the embossed shape, that is, the hill portion having a high height and the valley portion having a lower height than the hill portion are continuous. In addition, the base sheet 10 contributes to the decorative layer 20, the adhesive layer 30 and the surface layer 40 to implement the original decorative effect, the decorative layer from the heat and pressure of the molten resin in the molding and injection process 20 serves to protect the adhesive layer 30 and the surface layer 40.

상기 장식층(20)은 상기 기재시트(10)의 상면에 위치하며, 본 발명에 의한 인서트 성형용 장식시트의 장식효과를 더욱 돋보이게 하기 위하여 구성되는 층으로, 보다 사실감 있는 장식효과를 제공하거나 미적인 효과를 보완하는 역할을 한다. 이러한 효과를 얻기 위하여 본 발명의 인서트 성형용 장식시트를 구성하는 장식층(20)은 펄인쇄층 또는 금속증착층으로 이루어진다. 그리고, 상기 장식층(20)을 금속증착층으로 구성할 경우에는 여기에 사용되는 금속을 알루미늄, 구리, 은, 백금, 주석, 크롬, 니켈 중에서 하나 이상의 것을 선택하여 증착시킨다. 이렇게 장식층(20)을 펄인쇄층이나 금속증착층으로 구성하면 펄감이나 금속 재질감을 부여하는데 효과적이며, 이러한 금속효과는 일반적인 증착방법이나 스퍼터링과 같은 공법을 통하여 용이하게 구현할 수 있다. 이외에 본 발명에 의한 장식층(20)은 그 상면에 정보전달을 위한 문자, 그림 혹은 나무, 천연석 등의 느낌을 줄 수 있도록 인쇄를 함으로써 입체효과만으로 구현하기 어려운 다양한 미적효과를 제공할 수도 있다.The decorative layer 20 is located on the upper surface of the base sheet 10, the layer is configured to further enhance the decorative effect of the decorative sheet for insert molding according to the present invention, providing a more realistic decorative effect or aesthetic It serves to complement the effect. In order to obtain such an effect, the decorative layer 20 constituting the decorative sheet for insert molding of the present invention is composed of a pearl printing layer or a metal deposition layer. When the decorative layer 20 is formed of a metal deposition layer, the metal used herein is deposited by selecting one or more of aluminum, copper, silver, platinum, tin, chromium, and nickel. When the decorative layer 20 is composed of a pearl printing layer or a metal deposition layer in this way, it is effective to impart a pearly or metallic texture. Such a metal effect can be easily implemented through a general deposition method or a sputtering method. In addition, the decorative layer 20 according to the present invention may provide a variety of aesthetic effects that are difficult to realize only by the three-dimensional effect by printing so as to give a feeling such as letters, pictures or wood, natural stone for information transmission on the upper surface.

상기 접착층(30)은 상기 장식층(20)과 표면층(40) 사이에 위치되어 그 접착력을 높이기 위하여 부여되는 층으로써 투명재질로 구성하여 접착층(30) 안쪽의 구성내용이 외부에서 시각적으로 용이하게 확인될 수 있도록 한다. 따라서, 접착층(30)을 통하여 그 내부에 위치한 기재시트(10)의 입체감과 장식층(20)의 펄인쇄층, 금속증착층, 또는 각종 문자나 그림과 같은 안내수단이 외부에 시각적으로 노출된다. 이러한 기능을 수행하기 위하여 본 발명에 의한 접착층(30)은 그 재질이 폴리에스테르계 핫멜트 수지로 이루어진다. 특히, 폴리에스테르계 수지조성물로 접착층(30)이 이루어졌을 때에는 상기 장식층(20)이 금속재질로 이루어지는 경우 표면층(40)과 장식층(20) 사이의 접착력을 더욱 향상시킬 수 있다.The adhesive layer 30 is positioned between the decorative layer 20 and the surface layer 40 and is provided to increase the adhesive force. The adhesive layer 30 is made of a transparent material so that the inside of the adhesive layer 30 can be visually easily viewed from the outside. To be identified. Therefore, through the adhesive layer 30, the three-dimensional feeling of the base sheet 10 located therein and the pearl printing layer of the decorative layer 20, the metal deposition layer, or guide means such as various characters or pictures are visually exposed to the outside. . In order to perform this function, the adhesive layer 30 according to the present invention is made of a polyester-based hot melt resin. In particular, when the adhesive layer 30 is made of a polyester resin composition, when the decorative layer 20 is made of a metal material, the adhesion between the surface layer 40 and the decorative layer 20 may be further improved.

상기 표면층(40)은 투명한 재질로 구성하여 고급스러운 장식효과를 부여할 뿐만 아니라, 본 발명에 의한 인서트 성형용 장식시트의 가공과정 및 사용환경으로 부터 내부의 장식층(20)을 보호하는 역할을 한다. 이러한 이유로 본 발명에 의한 표면층(40)은 투명하고 내후성이 우수한 아크릴계 수지조성물로 구성하는 것이 적합하다. 따라서, 기재시트(10)의 입체감과 장식층(20)의 펄질감 또는 금속질감은 투명한 접착층(30)과 표면층(40)을 통하여 외부에 시각적으로 노출됨으로써 장식시트 본연의 효과인 장식효과를 충분히 구현할 수 있다.The surface layer 40 is made of a transparent material not only gives a luxurious decorative effect, but also serves to protect the interior decorative layer 20 from the processing and use environment of the insert molding decorative sheet according to the present invention. do. For this reason, the surface layer 40 according to the present invention is preferably composed of an acrylic resin composition which is transparent and excellent in weatherability. Accordingly, the three-dimensional texture of the base sheet 10 and the pearly or metallic texture of the decorative layer 20 are visually exposed to the outside through the transparent adhesive layer 30 and the surface layer 40 to sufficiently enhance the decorative effect that is the effect of the decorative sheet. Can be implemented.

이상에서는 본 발명에 의한 인서트 성형용 장식시트에 관하여 설명을 하였고, 이하에서는 상기와 같은 인서트 성형용 장식시트의 제조방법에 대하여 설명하도록 한다.In the above, the insert molding decorative sheet according to the present invention has been described. Hereinafter, the method of manufacturing the insert molding decorative sheet as described above will be described.

본 발명에 의한 인서트 성형용 장식시트의 제조방법은 ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지 로 이루어진 기재시트에 금속증착 또는 펄인쇄를 하여 장식층(20)을 형성시키는 단계(S10)와, 상기 장식층(20)이 형성된 기재시트(10)를 입체형상이 부여된 금속롤과 고무롤 사이에 통과시켜 입체형상을 부여하는 단계(S20)와, 상기 장식층(20) 상부에 폴리에스테르계 핫멜트 수지를 압출코팅하여 접착층(30)을 형성하는 단계(S30)와, 상기 접착층(30)의 상부에 아크릴계 수지조성물을 압출코팅하여 투명한 표면층(40)을 형성하는 단계(S40);를 포함하여 구성된다.The method for manufacturing a decorative sheet for insert molding according to the present invention is metal deposition or pearl printing on a base sheet made of ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or olefin resin Forming a decorative layer 20 (S10) and passing the base sheet 10 on which the decorative layer 20 is formed between a metal roll and a rubber roll provided with a three-dimensional shape to give a three-dimensional shape (S20). ) And extrusion coating a polyester-based hot melt resin on the decorative layer 20 to form an adhesive layer 30 (S30), and extrusion coating an acrylic resin composition on the adhesive layer 30 to a transparent surface layer. It is configured to include (40); forming a step (S40).

상기와 같은 방법을 사용하여 본 발명에 의한 인서트 성형용 장식시트를 제조하는 간단한 실시예를 기재하면 다음과 같다.Referring to a simple embodiment of manufacturing a decorative sheet for insert molding according to the present invention using the method as described above are as follows.

두께 300미크론의 ABS기재시트(10) 위에 알루미늄을 증착하여 장식을 형성시키고, 이렇게 장식층(20)이 형성된 기재시트(10)를 입체형상이 부여된 금속롤과 고무롤 사이에 통과시켜 입체형상을 구현한다. 이 후 상기 기재시트(10)의 상면에 형성된 장식층(20)의 상면에 폴리에스테르계 핫멜트 수지를 압출코팅하여 접착층(30)을 형성시키고, 상기 접착층(30)의 상면에 아크릴계 수지조성물을 압출코팅함으로써 본 발명에 의한 인서트 성형용 장식시트를 제조한다.Aluminum is deposited on the 300-micron-thick ABS base sheet 10 to form a decoration, and the base sheet 10 having the decorative layer 20 formed therebetween is passed between the metal roll and the rubber roll to which the three-dimensional shape is given to form a three-dimensional shape. Implement Thereafter, an adhesive coating 30 is formed by extrusion coating a polyester-based hot melt resin on an upper surface of the decorative layer 20 formed on the upper surface of the base sheet 10, and an acrylic resin composition is extruded on the upper surface of the adhesive layer 30. By coating, a decorative sheet for insert molding according to the present invention is prepared.

도 1은 본 발명에 의한 인서트 성형용 장식시트의 단면도.1 is a cross-sectional view of the decorative sheet for insert molding according to the present invention.

도 2는 본 발명에 의한 인서트 성형용 장식시트 제조방법의 순서도.Figure 2 is a flow chart of the insert sheet decorative sheet manufacturing method according to the present invention.

<도면의 주요 부분에 관한 부호의 설명>DESCRIPTION OF THE REFERENCE NUMERALS

10: 기재시트 20: 장식층10: base sheet 20: decorative layer

30: 접착층 40: 표면층30: adhesive layer 40: surface layer

Claims (6)

기재시트와, 상기 기재시트의 상면에 적층되는 장식층과, 상기 장식층의 상면에 도포되는 투명재질의 접착층과, 상기 접착층의 상면에 적층되는 투명재질의표면층으로 이루어진 인서트 성형용 장식시트에 있어서,In the decorative sheet for insert molding comprising a base sheet, a decorative layer laminated on the upper surface of the base sheet, a transparent adhesive layer applied on the upper surface of the decorative layer, and a surface layer of transparent material laminated on the upper surface of the adhesive layer , 상기 기재시트는 엠보싱 롤러를 회전시키거나 금형을 통해 상측에서 하측으로 가압하여 입체형상을 부여하고, 성형 또는 사출공정에서 용융수지의 열과 압력으로부터 상기 장식층, 접착층 및 표면층을 보호하는 것을 특징으로 하는 인서트 성형용 장식시트.The base sheet is provided by rotating the embossing roller or by pressing from the upper side to the lower side through the mold to give a three-dimensional shape, and to protect the decorative layer, the adhesive layer and the surface layer from the heat and pressure of the molten resin in the molding or injection process Decorative sheet for insert molding. 청구항 1에 있어서,The method according to claim 1, 상기 기재시트는 ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지 중에서 선택된 어느 하나로 이루어진 것을 특징으로 하는 인서트 성형용 장식시트.The base sheet is an insert molding decorative sheet, characterized in that made of any one selected from ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or olefin resin. 청구항1에 있어서,The method according to claim 1, 상기 장식층은 펄인쇄층 또는 금속증착층인 것을 특징으로 하는 인서트 성형용 장식시트.The decorative layer is a decorative sheet for insert molding, characterized in that the pearl printing layer or metal deposition layer. 청구항 3에 있어서,The method of claim 3, 상기 접착층은 폴리에스테르계 핫멜트 수지로 이루어진 것을 특징으로 하는 인서트 성형용 장식시트.The adhesive layer is a decorative sheet for insert molding, characterized in that made of a polyester-based hot melt resin. 청구항 1에 있어서,The method according to claim 1, 상기 표면층은 투명한 아크릴계 수지조성물로 이루어진 것을 특징으로 하는 인서트 성형용 장식시트.The surface layer is a decorative sheet for insert molding, characterized in that made of a transparent acrylic resin composition. 인서트 성형용 장식시트 제조방법에 있어서,In the method of manufacturing a decorative sheet for insert molding, ABS(Acrylonitrile Butadiene Styrene copolymer), PC(Polycarbonate), PVC(Polyvinyl chloride), PC/ABS 또는 올레핀계 수지로 이루어진 기재시트에 금속증착 또는 펄인쇄를 하여 장식층을 형성시키는 단계;Forming a decorative layer by performing metal deposition or pearl printing on a base sheet made of ABS (Acrylonitrile Butadiene Styrene copolymer), PC (Polycarbonate), PVC (Polyvinyl chloride), PC / ABS or an olefin resin; 상기 장식층이 형성된 상기 기재시트를 입체형상이 부여된 금속롤과 고무롤 사이에 통과시키거나 금형을 통해 상측에서 하측으로 가압하여 입체형상을 부여하는 단계;Passing the base sheet on which the decorative layer is formed between the metal roll and the rubber roll to which the three-dimensional shape is given or pressurizing the upper and lower sides through a mold to give a three-dimensional shape; 상기 장식층 상부에 폴리에스테르계 핫멜트 수지를 압출코팅하여 접착층을 형성하는 단계;Forming an adhesive layer by extrusion coating a polyester-based hot melt resin on the decorative layer; 상기 접착층의 상부에 아크릴계 수지조성물을 압출코팅하여 투명표면층을 형성하는 단계; 를 포함하여 구성된 것을 특징으로 하는 인서트 성형용 장식시트 제조방법.Forming a transparent surface layer by extrusion coating an acrylic resin composition on top of the adhesive layer; Insert molding decorative sheet manufacturing method characterized in that it comprises a.
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