KR20100064458A - Transfer film and injection molding method using the same - Google Patents

Transfer film and injection molding method using the same Download PDF

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Publication number
KR20100064458A
KR20100064458A KR1020080122902A KR20080122902A KR20100064458A KR 20100064458 A KR20100064458 A KR 20100064458A KR 1020080122902 A KR1020080122902 A KR 1020080122902A KR 20080122902 A KR20080122902 A KR 20080122902A KR 20100064458 A KR20100064458 A KR 20100064458A
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South Korea
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film
transfer sheet
layer
synthetic resin
sheet
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KR1020080122902A
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Korean (ko)
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KR101283863B1 (en
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김철호
이강엽
진원섭
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(주)엘지하우시스
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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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • 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
    • B32B5/024—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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: A transfer sheet and an injection molding method using the same are provided to obtain a clearer color and leather texture of high quality using the transfer sheet having various colors and patterns, to have an embossed pattern, and to improve productivity. CONSTITUTION: A transfer sheet(100) comprises: a fabric sheet(140); a synthetic resin layer(130) which is formed on the fabric sheet; and a carrier film(110) which is formed on the synthetic resin layer and has a release layer including a silica-based material on the lower part of the carrier film. The synthetic resin layer is a polyvinyl chloride resin or a polyolefin resin. The carrier film includes a polyethylene terephthalate film, a polytetrafluoroethylene film, a polyethylene film, a polypropylene film, a polybutene film, a polybutadiene film, a polyvinyl chloride copolymer film, and polyimide film.

Description

전사시트 및 이를 이용한 사출성형방법{Transfer film and injection molding method using the same}Transfer sheet and injection molding method using the same {Transfer film and injection molding method using the same}

본 발명은 가죽질감을 갖는 전사시트 및 이를 이용한 사출성형방법에 관한 것이다.The present invention relates to a transfer sheet having a leather texture and an injection molding method using the same.

일상생활 속에서 사용되는 많은 제품들이 플라스틱을 성형함으로써 제조되고 있는데, 이 중에서도 현대인들의 생활필수품이 되어버린 휴대폰, MP3, CD플레이어, PMP 등과 같은 성형제품들은 단순한 기능성 제품을 넘어서 개성을 표현하는 장식품으로서의 기능도 증가하고 있다.Many products used in daily life are manufactured by molding plastics. Among them, molded products such as mobile phones, MP3 players, CD players, and PMPs, which have become a necessity for modern people, are not only functional products but also as ornaments that express individuality. Function is also increasing.

　이에 상기와 같은 성형제품들의 차별화된 디자인의 개발과 함께 외관 손상을 보호할 수 있는 성형제품용 전사시트의 개발에 대한 필요성이 증가하고 있으며, 그 일 예로서, 상기 성형제품의 외관에 다양한 무늬를 형성하고, 질감을 향상시킬 수 있는 전사시트에 대한 연구의 필요성이 커지고 있다.Accordingly, with the development of differentiated designs of the molded products as described above, the necessity for the development of the transfer sheet for molded products that can protect the appearance damage is increasing. As an example, various patterns may be applied to the appearance of the molded products. There is a growing need for research on transfer sheets capable of forming and improving texture.

이러한 특유한 외관과 질감을 가지는 전사시트 중에 하나로서 가죽질감을 갖는 전사시트를 구현하는 방법이 제기되었다.As one of such transfer sheets having a distinctive appearance and texture, a method of implementing a transfer sheet having a leather texture has been proposed.

종래에는 직물이나 편물로 된 천의 상면에 합성수지층을 적층하고, 다시 합 성수지층의 상면에 보호도막을 코팅한 후, 색상을 부여함으로써 성형제품용 전사시트에 인조가죽의 질감을 구현하였다.Conventionally, the synthetic resin layer is laminated on the upper surface of the fabric or knitted fabric, and the protective film is coated on the upper surface of the synthetic resin layer, and then the color is imparted to realize the texture of artificial leather in the transfer sheet for molded products.

또한, 다양한 색상을 통하여 전사시트의 외관을 장식하기 위해서 다양한 인쇄방법을 통한 도료 인쇄를 수행하여 왔다.In addition, in order to decorate the appearance of the transfer sheet through a variety of colors has been carried out paint printing through a variety of printing methods.

그러나 종래에는 일반적인 스크린 인쇄, 그라비아 인쇄 또는 승화염료 등을 이용하여 인쇄 무늬를 형성하였는바, 성형제품의 외장용 시트에 다양한 색상을 선명하게 구현하기가 어려워 가죽질감의 미세한 감성 품질을 완벽하게 재현하기가 어렵다는 문제점이 있었다.However, in the past, the printed pattern was formed by using general screen printing, gravure printing, or sublimation dye, and it is difficult to realize various colors vividly on the exterior sheet of the molded product, so that it is impossible to perfectly reproduce the fine emotional quality of the leather texture. There was a difficult problem.

즉, 종래 방법에 의하면 인쇄 잉크가 가죽내부로 침투하지 못하기 때문에 구현하고자 하는 색상이 선명하게 형성되지 못하였고, 이에 따라 외관에 선명한 색상을 구현하기가 어렵다는 단점이 있었다.That is, according to the conventional method, since the printing ink does not penetrate into the leather, the color to be embodied is not clearly formed, and thus, it is difficult to realize vivid color on the exterior.

본 발명은 상술한 문제점을 해결하기 위하여 창출된 것으로서, 다양한 색상이 선명하게 구현되고, 우수한 품질의 가죽질감을 가지며 사출성형과 동시에 성형제품에 가식될 수 있도록 이형성이 우수한 이형층을 가지는 전사시트 및 이를 이용한 사출성형방법을 제공하는데 그 목적이 있다.The present invention was created in order to solve the above-described problems, and the transfer sheet having a release layer having a variety of colors are vividly implemented, excellent quality leather texture and excellent release property so that it can be added to the molded product at the same time injection molding and The purpose is to provide an injection molding method using the same.

본 발명은 상기 과제를 해결하기 위한 수단으로서, 직물시트와; 상기 직물시트 상에 형성된 합성수지층과; 상기 합성수지층 상에 형성되고, 실리카계 물질을 포함하는 이형층을 하부에 구비하는 캐리어필름을 포함하는 전사시트를 제공한다.The present invention as a means for solving the above problems, the fabric sheet; A synthetic resin layer formed on the fabric sheet; It is formed on the synthetic resin layer, and provides a transfer sheet comprising a carrier film having a release layer comprising a silica-based material at the bottom.

또한, 본 발명은 상기 과제를 해결하기 위한 다른 수단으로서, 본 발명에 따른 전사시트를 사출금형에 장착하는 단계; 상기 사출금형에 사출물을 주입하고, 경화시키는 단계; 및 상기 전사시트의 캐리어필름을 박리하는 단계를 포함하는 사출성형방법을 제공한다.In addition, the present invention as another means for solving the above problems, the step of mounting the transfer sheet according to the invention in the injection mold; Injecting an injection molded product into the injection mold and curing the injection molded product; And it provides an injection molding method comprising the step of peeling the carrier film of the transfer sheet.

상술한 바와 같은 본 발명의 전사시트 및 이를 이용한 사출성형방법에 의하면,According to the transfer sheet of the present invention as described above and the injection molding method using the same,

첫째, 다양한 색상의 무늬를 갖는 전사지를 이용하여 보다 선명한 색상과 고품질의 가죽질감을 구현한 전사시트를 제공할 수 있다.First, it is possible to provide a transfer sheet embodying a more vivid color and high quality leather using a transfer paper having a pattern of various colors.

둘째, 입체 엠보감을 갖도록 엠보 무늬를 갖는 전사시트를 제공할 수 있다.Second, it is possible to provide a transfer sheet having an embossed pattern to have a three-dimensional embossed feeling.

셋째, 우수한 이형성을 나타내는 이형층을 하부에 구비하는 캐리어필름에 의하여 사출성형 동시 가식이 가능하므로 제조시간이 단축되고, 생산성을 향상시킬 수 있다.Third, simultaneous injection molding may be performed by a carrier film having a release layer below, which exhibits excellent release properties, thereby reducing manufacturing time and improving productivity.

본 발명은 직물시트; 상기 직물시트 상에 형성된 합성수지층; 및 상기 합성수지층 상에 형성되고, 실리카계 물질을 포함하는 이형층을 하부에 구비하는 캐리어필름을 포함하는 전사시트에 관한 것이다.The present invention fabric sheet; A synthetic resin layer formed on the fabric sheet; And a carrier film formed on the synthetic resin layer and having a release layer including a silica-based material thereunder.

이하, 본 발명의 전사시트를 보다 상세하게 설명하도록 한다.Hereinafter, the transfer sheet of the present invention to be described in more detail.

본 발명의 전사시트는 전술한 바와 같이, 순차적으로 직물시트, 합성수지층 및 하부에 이형층이 구비된 캐리어필름을 포함하는 것을 특징으로 한다.As described above, the transfer sheet of the present invention is characterized in that it comprises a fabric sheet, a synthetic resin layer and a carrier film provided with a release layer in the lower portion.

여기서, 직물시트에는 다양한 편물 또는 직물이 포함될 수 있으며, 바람직하게는 라이렉스천 등이 사용될 수 있다.Here, the fabric sheet may include a variety of knitted fabrics or fabrics, preferably Leyrex cloth or the like can be used.

또한, 합성수지층은 폴리염화비닐 수지 또는 폴리올레핀 수지인 것이 바람직하다.In addition, the synthetic resin layer is preferably a polyvinyl chloride resin or a polyolefin resin.

상기한 바와 같이, 직물시트 상에 합성수지층을 적층함으로써 가죽질감을 구현할 수 있다.As described above, it is possible to implement the leather texture by laminating a synthetic resin layer on the fabric sheet.

여기서, 캐리어필름은 폴리에틸렌테레프탈레이트 필름, 폴리테트라플루오로에틸렌 필름, 폴리에틸렌 필름, 폴리프로필렌 필름, 폴리부텐필름, 폴리부타디엔필 름, 염화비닐 공중합체 필름 및 폴리이미드 필름으로 이루어진 군에서 선택된 1종 이상인 것이 바람직하다.Here, the carrier film is at least one member selected from the group consisting of polyethylene terephthalate film, polytetrafluoroethylene film, polyethylene film, polypropylene film, polybutene film, polybutadiene film, vinyl chloride copolymer film and polyimide film It is preferable.

상기 캐리어필름은 사출성형 시에 사출금형에 장착되며, 이에 따라 본 발명의 전사시트가 사출물의 표면에 전사되는 경우 상기 직물시트 및 합성수지층이 손상되지 않도록 보호해주는 역할을 한다.The carrier film is mounted on the injection mold during injection molding, and thus serves to protect the fabric sheet and the synthetic resin layer from being damaged when the transfer sheet of the present invention is transferred to the surface of the injection molded product.

또한, 상기 캐리어필름은 하부에 이형층이 구비되어 사출물의 표면에 상기 전사시트가 전사된 후, 상기 전사시트로부터 박리된다.In addition, the carrier film is provided with a release layer on the lower side of the transfer sheet is transferred to the surface of the injection molding, and then peeled from the transfer sheet.

여기서, 상기 이형층은 실리카계 물질인 것이 바람직하다.Here, the release layer is preferably a silica-based material.

상기 이형층을 구성하는 실리카계 물질은 가죽질감을 갖는 상기 직물시트 및 합성수지층이 캐리어필름으로부터 용이하게 박리될 수 있도록 우수한 이형성을 나타내며, 유기용제에 대한 취약성을 보완하기 위하여 불소계 물질 또는 바인더 등을 혼합하여 사용할 수 있다.The silica-based material constituting the release layer exhibits excellent releasing property so that the fabric sheet and the synthetic resin layer having leather texture can be easily peeled from the carrier film. It can be mixed and used.

상기 이형층의 두께는 특별히 제한되는 것은 아니지만, 바람직하게는 15 내지 100㎛일 수 있다. 상기 두께가 15㎛ 미만인 경우, 코팅 후 경화공정에서 지나치게 연신될 우려가 있고, 이형성이 감쇄될 수 있으며, 100㎛을 초과하는 경우 경제성이 떨어진다.The thickness of the release layer is not particularly limited, but may be preferably 15 to 100 μm. If the thickness is less than 15㎛, there is a risk of excessive stretching in the curing process after coating, release property may be attenuated, if it exceeds 100㎛ is economical.

여기서, 본 발명의 전사시트는 보다 다양한 효과를 구현하기 위한 다른 소재로 이루어진 층을 더 포함할 수 있다.Here, the transfer sheet of the present invention may further include a layer made of another material for realizing more various effects.

예를 들면, 본 발명의 전사시트는 합성수지층 상에 인쇄층을 더 포함할 수 있다.For example, the transfer sheet of the present invention may further include a printing layer on the synthetic resin layer.

여기서, 합성수지층 및 인쇄층은 엠보 무늬가 형성된 것일 수 있다.Here, the synthetic resin layer and the printed layer may be embossed pattern is formed.

합성수지층 및 인쇄층에 엠보 무늬가 형성되는 경우 입체적인 엠보감에 의하여 다양한 외관 상의 장식을 구현할 수 있으며, 나아가 질감에 있어서도 입체 엠보 무늬에 의하여 우수한 품질을 갖도록 할 수 있다.When the embossed pattern is formed on the synthetic resin layer and the printed layer, it is possible to implement various appearance decorations by the three-dimensional embossing feeling, and furthermore, the texture may have excellent quality by the three-dimensional embossing pattern.

따라서, 상기 엠보 무늬에 의한 외관과 입체적인 질감을 동시에 만족시킬 수 있도록 상기 엠보 무늬는 상술한 수치범위 내에서 형성된 것이 바람직하다.Therefore, the embossed pattern is preferably formed within the above-described numerical range so as to satisfy the appearance and three-dimensional texture by the embossed pattern simultaneously.

이와 같은 엠보 무늬는 일반적인 도료 인쇄방법과는 달리, 다양한 무늬를 가진 전사지를 합성수지층 상에 마련하고, 레이저 조각 등을 통하여 표면에 엠보 무늬가 제판된 엠보 롤러를 이용하여 상기 전사지를 전사함으로써 구현될 수 있다.Unlike the general paint printing method, the emboss pattern may be implemented by providing a transfer paper having various patterns on the synthetic resin layer and transferring the transfer paper using an emboss roller having an embossed pattern plated on the surface through laser engraving or the like. Can be.

한편, 본 발명의 전사시트는 상기 인쇄층 상에 2H 내지 8H의 표면 경도를 가지는 하드코팅층을 더 포함할 수 있다.On the other hand, the transfer sheet of the present invention may further include a hard coating layer having a surface hardness of 2H to 8H on the printing layer.

상기 하드코팅층은 인쇄층을 보호하기 위한 것으로서, UV 코팅액을 사용하여 코팅할 수 있으며, 이 경우 사용 가능한 UV 코팅액으로는 상기 인쇄층을 보호하기 위한 하드코팅층을 형성할 수 있는 다양한 종류의 UV 코팅액이 이에 포함될 수 있으나, 바람직하게는 우레탄 아크릴레이트 계열의 2차 경화형(2-cure type) UV 코팅액을 사용할 수 있다.The hard coating layer is to protect the printing layer, it can be coated using a UV coating solution, in this case, the available UV coating liquid is a variety of UV coating liquid that can form a hard coating layer for protecting the printing layer This may be included, but preferably, a urethane acrylate-based secondary curing type (2-cure type) UV coating liquid may be used.

또한, 본 발명의 전사시트는 직물시트의 하면에 접착층을 더 포함할 수 있다.In addition, the transfer sheet of the present invention may further include an adhesive layer on the lower surface of the fabric sheet.

상기 접착층은 본 발명의 전사시트를 성형제품에 접착시킬 수 있도록 접착력을 제공할 수 있는 물질이면 제한없이 사용할 수 있으나, 바람직하게는 폴리염화비 닐 수지와 아크릴 수지를 혼합한 후 유기용매에 희석한 것을 사용하는 것이 바람직하다.The adhesive layer may be used without limitation as long as it is a material capable of providing an adhesive force to bond the transfer sheet of the present invention to a molded product. Preferably, the polyvinyl chloride resin is mixed with an acrylic resin and then diluted in an organic solvent. It is preferable to use one.

본 발명의 전사시트가 상기 폴리염화비닐 수지와 아크릴 수지를 혼합한 물질로 이루어진 접착층을 포함하는 경우 사출성형 시 주입되는 사출물의 표면에 상기 전사시트를 보다 견고하게 접착할 수 있다는 장점을 갖는다.When the transfer sheet of the present invention includes an adhesive layer made of a material in which the polyvinyl chloride resin and the acrylic resin are mixed, the transfer sheet may be more firmly adhered to the surface of the injection molded product during injection molding.

나아가, 직물시트와 접착층의 사이에 프라이머 층을 더 포함할 수 있다.Furthermore, a primer layer may be further included between the fabric sheet and the adhesive layer.

상기 프라이머 층은 상기 접착층이 상기 직물시트의 하면에 보다 잘 접착되도록 균일한 표면을 형성하기 위한 것으로서, 다양한 물질을 사용할 수 있으나, 폴리우레탄 계열의 합성수지를 메틸에틸케톤(MEK) 또는 톨루엔 등으로 이루어진 유기용매에 용해하여 얻은 수지인 것이 바람직하다.The primer layer is to form a uniform surface to the adhesive layer is better adhered to the lower surface of the fabric sheet, a variety of materials can be used, but polyurethane-based synthetic resin made of methyl ethyl ketone (MEK) or toluene It is preferable that it is resin obtained by melt | dissolving in an organic solvent.

뿐만 아니라, 본 발명의 사출성형방법은 본 발명에 따른 전사시트를 사출금형에 장착하는 단계; 상기 사출금형에 사출물을 주입하고, 경화시키는 단계; 및 상기 전사시트의 캐리어필름을 박리하는 단계를 포함한다.In addition, the injection molding method of the present invention comprises the steps of mounting the transfer sheet according to the invention in the injection mold; Injecting an injection molded product into the injection mold and curing the injection molded product; And peeling the carrier film of the transfer sheet.

우선, 캐리어필름을 포함하는 본 발명의 전사시트는 상기 캐리어필름이 사출금형의 내면에 맞닿도록 상기 전사시트를 장착한다.First, the transfer sheet of the present invention including a carrier film is equipped with the transfer sheet so that the carrier film abuts the inner surface of the injection mold.

이어서, 상기 사출금형에 사출물을 주입하고, 경화시킨다.Subsequently, an injection molded product is injected into the injection mold and cured.

사출물이 경화됨으로써 본 발명의 전사시트가 사출물의 표면에 전사되면, 이형층에 의해 적층되어 있던 캐리어필름을 상기 전사시트로부터 박리하여 가죽질감을 갖는 전사시트가 표면에 전사된 성형제품을 제조할 수 있다.When the transfer sheet of the present invention is transferred to the surface of the injection molded product by curing the injection molded product, the carrier film laminated by the release layer is peeled from the transfer sheet to prepare a molded product in which the transfer sheet having leather texture is transferred to the surface. have.

여기서, 상기 성형제품에는 사출성형 가능한 다양한 플라스틱 성형제품이 이 에 포함될 수 있으며, 예를 들면, 휴대폰, MP3, CD플레이어, PMP 등과 같은 장식성이 요구되는 휴대용 제품이 포함될 수 있다.Here, the molded product may include various injection molded plastic molded products therein, and may include, for example, a portable product requiring decoration such as a mobile phone, MP3, CD player, PMP, and the like.

이하, 도 1 내지 도 2를 참고하여 본 발명의 일 실시예에 따른 전사시트에 대해서 설명하도록 한다. 다만, 이는 본 발명의 일 태양에 불과하며, 본 발명의 범위가 하기 제시된 실시예에 의해 한정되는 것은 아니다.Hereinafter, a transfer sheet according to an exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 2. However, this is only one aspect of the present invention, and the scope of the present invention is not limited by the examples given below.

도 1은 본 발명의 일 실시예에 따른 전사시트를 개략적으로 나타낸 단면도이다.1 is a cross-sectional view schematically showing a transfer sheet according to an embodiment of the present invention.

도 1을 참고하면, 본 발명의 일 실시예에 따른 전사시트(100)는 캐리어필름(110), 인쇄층(120), 합성수지층(130) 및 직물시트(140)를 포함한다.Referring to FIG. 1, the transfer sheet 100 according to an embodiment of the present invention includes a carrier film 110, a print layer 120, a synthetic resin layer 130, and a fabric sheet 140.

여기서, 상기 합성수지층(130)의 상면은 올록볼록한 엠보 무늬가 형성되어 있으며, 상기 합성수지층(130)의 하면에 형성된 상기 직물시트(140)와 함께 인조가죽을 형성한다.Here, the upper surface of the synthetic resin layer 130 is formed with embossed embossed pattern, and forms the artificial leather together with the fabric sheet 140 formed on the lower surface of the synthetic resin layer 130.

또한, 상기 합성수지층(130)의 상면에는 다양한 색상의 무늬를 나타내는 전사지를 이용하여 인쇄한 인쇄층(120)이 형성된다.In addition, the upper surface of the synthetic resin layer 130 is formed with a printed layer 120 printed using a transfer paper showing a pattern of various colors.

또한, 상기 인쇄층(120)의 상면에는 실리카계 물질을 포함하는 이형층(111)을 하부에 구비하는 캐리어필름(110)이 적층된다.In addition, a carrier film 110 having a release layer 111 including a silica-based material on the upper surface of the printed layer 120 is laminated.

상기 이형층(111)에 의하여 본 발명의 전사시트(100)를 사출물의 표면에 전사한 후, 상기 캐리어필름(110)을 용이하게 박리시킬 수 있다.After the transfer sheet 100 of the present invention is transferred onto the surface of the injection molded product by the release layer 111, the carrier film 110 may be easily peeled off.

이하, 도 2를 참고하면, 사출물을 주입하여 사출성형하는 경우 상기 사출금형(300)으로부터 상기 전사시트(100)를 보호할 수 있도록 상기 캐리어필름(110)이 사출금형(300)의 내면에 장착된다.Hereinafter, referring to FIG. 2, the carrier film 110 is mounted on the inner surface of the injection mold 300 to protect the transfer sheet 100 from the injection mold 300 when injection molding injection molding. do.

따라서 상기 캐리어필름(110)은 사출성형 시에는 상기 사출성형과 동시에 상기 전사시트(100)가 사출물의 표면에 전사될 수 있도록 상기 전사시트(100)를 보호하는 역할을 하며, 사출성형이 완료된 후 하부에 구비된 이형층(111)에 의해 상기 전사시트(100)로부터 박리된다.Therefore, the carrier film 110 serves to protect the transfer sheet 100 so that the transfer sheet 100 can be transferred to the surface of the injection molding at the same time as the injection molding during injection molding, and after injection molding is completed It is peeled from the transfer sheet 100 by the release layer 111 provided at the bottom.

이를 통하여 공정시간을 현저하게 단축할 수 있으며, 생산성을 향상시킬 수 있다.This can significantly shorten the process time and improve the productivity.

이하, 도 3을 참고하여 본 발명의 다른 일 실시예에 따른 전사시트(200)를 설명하도록 한다.Hereinafter, a transfer sheet 200 according to another embodiment of the present invention will be described with reference to FIG. 3.

도 3을 참고하면, 본 발명의 다른 일 실시예에 따른 전사시트(200)는 캐리어필름(110), 하드코팅층(250), 인쇄층(120), 합성수지층(130), 직물시트(140), 프라이머층(260) 및 접착층(270)을 포함한다. Referring to Figure 3, the transfer sheet 200 according to another embodiment of the present invention is a carrier film 110, a hard coating layer 250, a printing layer 120, a synthetic resin layer 130, a fabric sheet 140 , A primer layer 260 and an adhesive layer 270.

여기서, 본 발명의 다른 일 실시예에 따른 사출성형 동시 가식시트(200)의 캐리어필름(110), 인쇄층(120), 합성수지층(130) 및 직물시트(140)는 전술한 바와 동일한 것이므로 이에 대한 반복적인 설명은 생략하도록 한다.Here, the carrier film 110, the printing layer 120, the synthetic resin layer 130 and the fabric sheet 140 of the injection molding simultaneous decoration sheet 200 according to another embodiment of the present invention is the same as above Repeated descriptions will be omitted.

본 발명의 다른 일 실시예에 따른 전사시트(200)에서는 상기 인쇄층(120) 상에 하드코팅층(250)이 형성되어 상기 인쇄층(140)을 보호하도록 구성될 수 있다.In the transfer sheet 200 according to another embodiment of the present invention, a hard coat layer 250 may be formed on the print layer 120 to protect the print layer 140.

또한, 상기 직물시트(160)의 하면에는 본 발명의 전사시트(200)가 사출물에 직접 접착될 수 있도록 접착력을 제공하는 접착층(270)이 형성되며, 상기 직물시트(160)와 접착층(270) 사이에는 프라이머층(260)이 형성되어 균일한 표면을 제공함으로써 접착력을 높여줄 수 있다.In addition, an adhesive layer 270 is provided on the lower surface of the fabric sheet 160 to provide an adhesive force so that the transfer sheet 200 of the present invention can be directly bonded to the injection molded product. The fabric sheet 160 and the adhesive layer 270 are formed. A primer layer 260 may be formed therebetween to increase the adhesion by providing a uniform surface.

이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에 의해 본 발명의 기술 사상과 아래에 기재될 특허 청구범위의 균등 범위 내에서 다양한 수정 및 변형이 가능함은 물론이다.As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalent claims.

도 1은 본 발명의 일 실시예에 따른 전사시트를 개략적으로 나타낸 단면도이고, 1 is a cross-sectional view schematically showing a transfer sheet according to an embodiment of the present invention,

도 2는 도 1의 전사시트를 이용하여 사출성형 동시 가식하는 공정을 개략적으로 나타낸 공정단면도이고, FIG. 2 is a process cross-sectional view schematically illustrating a process of simultaneously implanting injection molding using the transfer sheet of FIG. 1;

도 3은 본 발명의 다른 일 실시예에 따른 전사시트를 개략적으로 나타낸 단면도이다. 3 is a cross-sectional view schematically showing a transfer sheet according to another embodiment of the present invention.

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

100, 200: 전사시트 100, 200: transfer sheet

110: 캐리어필름　　　　　　　　　　　　　　　　　　　　　　 111: 이형층 110: carrier film # 111: release layer

120: 인쇄층　　　　　　　　　　　　　　　　　　　　　　　　　　 130: 합성수지층 120: printed layer 130: synthetic resin layer

140: 직물시트　　　　　　　　　　　　　　　　　　　　　　　　 250: 하드코팅층 140: fabric sheet 250: hard coating layer

260: 프라이머층　　　　　　　　　　　　　　　　　　　　　　 270: 접착층260: primer layer # 270: adhesive layer

300: 사출금형300: injection mold

Claims (10)

직물시트;Fabric sheet; 상기 직물시트 상에 형성된 합성수지층; 및A synthetic resin layer formed on the fabric sheet; And 상기 합성수지층 상에 형성되고, 실리카계 물질을 포함하는 이형층을 하부에 구비하는 캐리어필름을 포함하는 전사시트.The transfer sheet comprising a carrier film formed on the synthetic resin layer, the lower portion having a release layer containing a silica-based material. 제 1항에 있어서,The method of claim 1, 직물시트는 라이렉스천인 것을 특징으로 하는 전사시트.The transfer sheet characterized in that the fabric sheet is Lyrex cloth. 제 1항에 있어서,The method of claim 1, 합성수지층은 폴리염화비닐 수지 또는 폴리올레핀 수지인 것을 특징으로 하는 전사시트.The synthetic resin layer is a transfer sheet, characterized in that the polyvinyl chloride resin or polyolefin resin. 제 1항에 있어서,The method of claim 1, 캐리어필름은 폴리에틸렌테레프탈레이트 필름, 폴리테트라플루오로에틸렌 필름, 폴리에틸렌 필름, 폴리프로필렌 필름, 폴리부텐필름, 폴리부타디엔필름, 염화비닐 공중합체 필름 및 폴리이미드 필름으로 이루어진 군에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 전사시트.The carrier film comprises at least one member selected from the group consisting of polyethylene terephthalate film, polytetrafluoroethylene film, polyethylene film, polypropylene film, polybutene film, polybutadiene film, vinyl chloride copolymer film and polyimide film Transfer sheet, characterized in that. 제 1항에 있어서,The method of claim 1, 합성수지층 상에 인쇄층을 더 포함하는 것을 특징으로 하는 전사시트.A transfer sheet further comprising a printing layer on the synthetic resin layer. 제 5항에 있어서,The method of claim 5, 합성수지층 및 인쇄층은 엠보 무늬가 형성된 것을 특징으로 하는 전사시트.Synthetic resin layer and printing layer transfer sheet, characterized in that the embossed pattern is formed. 제 5항에 있어서,The method of claim 5, 인쇄층 상에 2H 내지 8H의 표면 경도를 가지는 하드코팅층을 더 포함하는 것을 특징으로 하는 전사시트.A transfer sheet further comprising a hard coat layer having a surface hardness of 2H to 8H on the printed layer. 제 1항에 있어서,The method of claim 1, 직물시트의 하면에 접착층을 더 포함하는 것을 특징으로 하는 전사시트.Transfer sheet, characterized in that it further comprises an adhesive layer on the lower surface of the fabric sheet. 제 8항에 있어서,The method of claim 8, 직물시트와 접착층의 사이에 프라이머 층을 더 포함하는 것을 특징으로 하는 전사시트.The transfer sheet further comprises a primer layer between the fabric sheet and the adhesive layer. 제 1항 내지 제 9항 중 어느 한 항에 따른 전사시트를 사출금형에 장착하는 단계;Mounting the transfer sheet according to any one of claims 1 to 9 in an injection mold; 상기 사출금형에 사출물을 주입하고, 경화시키는 단계; 및Injecting an injection molded product into the injection mold and curing the injection molded product; And 상기 전사시트의 캐리어필름을 박리하는 단계를 포함하는 사출성형방법.Injection molding method comprising the step of peeling the carrier film of the transfer sheet.
KR1020080122902A 2008-12-05 2008-12-05 Transfer film and injection molding method using the same KR101283863B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002579A (en) * 2013-02-25 2014-08-27 福尔铭股份有限公司 Transfer printing film, transfer printing device and transfer printing method
KR101979663B1 (en) * 2018-04-09 2019-06-03 주식회사 엠에스코리아 Printable Heat Transfer Sheet Using Silicone Material and Manufacturing Method Thereof
KR102581592B1 (en) * 2023-08-23 2023-09-25 (주)삼원 Non-stick coaring composition and mold of automobile seat pad coated using the same

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US20180001602A1 (en) * 2014-12-18 2018-01-04 Emiliano Ferro Coating of parts or objects and method for obtaining it

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JP2534947B2 (en) * 1990-11-24 1996-09-18 バンドー化学株式会社 Laminated sheet and manufacturing method thereof
JP3923569B2 (en) * 1996-08-30 2007-06-06 大日本印刷株式会社 Transfer sheet
JPH10147098A (en) * 1996-11-20 1998-06-02 Dainippon Printing Co Ltd Decorative material and transfer sheet used in production thereof
JP2003165178A (en) * 2001-12-03 2003-06-10 Mitsubishi Rayon Co Ltd Transfer sheet and method for manufacturing resin molded article

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002579A (en) * 2013-02-25 2014-08-27 福尔铭股份有限公司 Transfer printing film, transfer printing device and transfer printing method
KR101979663B1 (en) * 2018-04-09 2019-06-03 주식회사 엠에스코리아 Printable Heat Transfer Sheet Using Silicone Material and Manufacturing Method Thereof
KR102581592B1 (en) * 2023-08-23 2023-09-25 (주)삼원 Non-stick coaring composition and mold of automobile seat pad coated using the same

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