KR101208311B1 - Transfer Foil - Google Patents

Transfer Foil Download PDF

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Publication number
KR101208311B1
KR101208311B1 KR1020090058793A KR20090058793A KR101208311B1 KR 101208311 B1 KR101208311 B1 KR 101208311B1 KR 1020090058793 A KR1020090058793 A KR 1020090058793A KR 20090058793 A KR20090058793 A KR 20090058793A KR 101208311 B1 KR101208311 B1 KR 101208311B1
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South Korea
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layer
transfer foil
weight
ink
polyurethane
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KR1020090058793A
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Korean (ko)
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KR20110001310A (en
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김종원
백상현
김시민
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코오롱인더스트리 주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00Printing plates or foils; Materials therefor
    • B41N1/04Printing plates or foils; Materials therefor metallic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/02Letterpress printing, e.g. book printing
    • B41M1/04Flexographic printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42Intermediate, backcoat, or covering layers
    • B41M5/44Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52Macromolecular coatings
    • B41M5/5263Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281Polyurethanes or polyureas

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Decoration By Transfer Pictures (AREA)

Abstract

본 발명은 전사호일에 관한 것으로, 전사된 면 위에 다양한 칼라의 UV잉크 인쇄가 가능한 전사호일에 관한 것이다.The present invention relates to a transfer foil, and to a transfer foil capable of UV ink printing of various colors on the transferred surface.

전사호일, 이형, UV잉크, 인쇄 Transfer foil, mold release, UV ink, printing

Description

전사호일{Transfer Foil}Transfer Foil {Transfer Foil}

본 발명은 전사호일에 관한 것으로, 보다 구체적으로는 전사된 면 위에 다양한 칼라의 UV잉크 인쇄가 가능한 전사호일에 관한 것이다.The present invention relates to a transfer foil, and more particularly to a transfer foil capable of UV ink printing of various colors on the transferred surface.

플라스틱 성형품, 가죽제품, 목제품, 종이제품 등 다양한 소재의 피착재에 금속성분의 그래픽 패턴이나 문자 등을 전사시키는 방법으로서, 스탬핑호일이 주로 사용되고 있다.Stamping foil is mainly used as a method of transferring a graphic pattern, a character, etc. of a metal component to the to-be-adhered material of various materials, such as a plastic molded article, a leather article, a wooden article, and a paper article.

스탬핑 호일은 핫 스탬프 테이프(hot stamp tape) 또는 열전사 테이프(thermal transfer tape)등으로 불리기도 한다. 스탬핑 호일은 통상적으로 폴리에스테르 수지로 구성된 기재 필름 상에, 이형층, 착색층, 금속 증착층 및 접착층이 순차적으로 적층된 구조로 되어 있다.Stamping foils are also called hot stamp tapes or thermal transfer tapes. The stamping foil has a structure in which a release layer, a coloring layer, a metal deposition layer, and an adhesive layer are sequentially laminated on a base film usually made of a polyester resin.

이러한 스탬핑호일은 전사하고자 하는 형태의 다이를 이용하여 열과 압력을 가해 전사시키는 핫 스탬핑(hot stamping) 공정에 사용된다. This stamping foil is used in a hot stamping process in which heat and pressure are transferred using a die of a type to be transferred.

그러나 핫 스탬핑 공정을 사용하기 위해서는 일정한 모양의 다이가 있어야 하며, 모양을 바꾸기 위해서는 또 다른 형태의 다이가 필요하게 되므로 경제적이지 못하며, 여러 형태로의 변형이 용이하지 못하고, 대부분 수동전사방법으로 사용하 며, 고속전사방식에는 적합하지 못한 문제점이 있었다.However, in order to use the hot stamping process, it is necessary to have a die of a certain shape, and another type of die is required to change the shape, so it is not economical, and it is not easy to be transformed into various forms. And, there was a problem that is not suitable for the high-speed transfer method.

따라서, 다이 제작이 필요 없어 원가절감이 가능하고, 디자인의 미려성 등을 확보 할 수 있으며, 고속 전사가 가능한 다이리스 전사방법에 대하여 관심이 집중되고 있으며, 이러한 특허는 미국특허 제6395120호, 제5603259호 등이 있다. Therefore, it is possible to reduce the cost because it is not necessary to produce a die, to secure the beauty of the design, etc., and attention is focused on a dieless transfer method capable of high-speed transfer. These patents are disclosed in US Pat. 5603259, etc .;

즉, 다이 없이 옵셋인쇄, 플렉소 인쇄 방식 등의 고속인쇄를 통해 잉크로 무늬를 형성하고, 상기 잉크와 접착성이 우수하여 전사가 가능한 전사지의 개발이 요구되고 있다.That is, there is a demand for the development of a transfer paper capable of forming a pattern with ink through high-speed printing such as offset printing and flexographic printing without a die, and having excellent adhesiveness with the ink.

또한 전사한 후 전사된 면 위에 다양한 칼라의 UV잉크 인쇄가 가능한 전사호일에 대한 요구가 크다. 일반적으로 전사호일(콜드호일) 이형층은 대부분 표면에너지가 낮은 왁스계열을 이용하므로 스템핑을 하면 스템핑된 면위에 왁스의 잔량이 남아 UV잉크 인쇄 시 원하는 접착력을 발현하기 어렵다.In addition, there is a great demand for a transfer foil capable of printing UV inks of various colors on the transferred surface. In general, the transfer foil (cold foil) release layer mostly uses a wax-based wax having low surface energy, so that the remaining amount of the wax remains on the stamped surface when stamping, so that it is difficult to express a desired adhesive force during UV ink printing.

본 발명은 전사된 면 위에 다양한 칼라의 UV잉크 인쇄가 가능한 이형층을 갖는 전사호일을 제공하고자 한다.The present invention is to provide a transfer foil having a release layer capable of UV ink printing of various colors on the transferred surface.

구체적으로 본 발명의 목적은 이형층이 캐리어필름인 베이스필름(PET필름)과의 접착력이 낮아 스탬핑후 이형층이 전사된 면의 최상층에 위치해 UV잉크의 인쇄가 가능하고, 인쇄 후 UV잉크 접착력이 양호한 전사호일을 제공하고자한다.Specifically, the object of the present invention is that the release layer has a low adhesive strength with the carrier film base film (PET film) is located on the top layer of the transfer layer after the stamping is possible to print the UV ink, UV ink adhesion after printing To provide a good transfer foil.

본 발명은 다이가 필요 없는 고속인쇄방식에 사용되는 전사호일로서, 베이스필름층 위에 이형층, 착색층, 알루미늄증착층, 접착층이 차례로 형성되며, 전사 호일을 구성하는 각 층 중에서도 특히 이형층의 물성을 개선하여 전사된 면 위에 다양한 칼라의 UV잉크 인쇄가 가능한 전사호일에 관한 것이다. 본 발명에서 상기 베이스필름은 전사 후 제거되며, 기재면에 접착제층이 접착됨으로써 이형층이 최상층을 형성한다.The present invention is a transfer foil used for a high speed printing method that does not require a die, in which a release layer, a coloring layer, an aluminum deposition layer, and an adhesive layer are sequentially formed on the base film layer, and among the layers constituting the transfer foil, in particular, the physical properties of the release layer. The present invention relates to a transfer foil capable of printing UV inks of various colors on the transferred surface. In the present invention, the base film is removed after the transfer, and the release layer forms the uppermost layer by adhering the adhesive layer to the substrate surface.

즉, 본 발명의 전사 호일은 플렉소 인쇄용 잉크와의 접착력이 우수하면서도, UV인쇄가 가능한 수지조성으로 이루어지며, 종래 열을 이용하여 전사시키는 핫스탬핑 방법과는 달리, 플렉소 인쇄는 열을 가하지 않은 상태에서 인쇄에 의해 전사가 이루어지며, 폴리우레탄계 수지를 이용해 이형층을 형성함으로써, 전사된면 위에 UV잉크의 인쇄가 가능한 전사호일에 관한 것이다. That is, the transfer foil of the present invention is made of a resin composition that is excellent in adhesion with the ink for flexographic printing and UV printing, and unlike the hot stamping method of transferring using conventional heat, flexographic printing does not apply heat. Transfer is made by printing in a non-state, and relates to a transfer foil capable of printing the UV ink on the transferred surface by forming a release layer using a polyurethane-based resin.

기존에 일반적으로 사용되는 이형조성은 왁스계열 이형조성이 지닌 단점 즉, 전사 후 왁스의 잔량이 전사된 면의 최상층에 위치하게 되어 UV잉크 인쇄 시 인쇄성 및 접착력에 문제점을 가지게 된다. 본 발명은 이러한 단점을 보완하기 위해 표면에너지가 높아 UV잉크인쇄성 및 UV잉크와의 접착력이 우수한 전사타입, 즉 전사 후 이형층이 베이스필름과 분리되어 전사된 면의 최상층으로 이동하는 타입의 이형층을 형성함으로써, 전사된 면의 최상층에 UV잉크의 인쇄가 가능한 전사호일을 제공하고자한다. In general, the release composition generally used has a disadvantage of having a wax-based release composition, that is, the residual amount of wax is transferred to the uppermost layer of the transferred surface, thereby having a problem in printability and adhesive strength when printing UV ink. In order to compensate for this disadvantage, the present invention provides a transfer type having high surface energy and excellent UV ink printability and adhesion to the UV ink, that is, a release type in which a release layer after transfer is separated from the base film and moved to the top layer of the transferred surface. By forming a layer, it is desired to provide a transfer foil capable of printing UV ink on the uppermost layer of the transferred surface.

전사타입의 이형층을 형성할 수 있는 이형제로는 폴리우레탄계열, 아크릴 계열, 셀룰로오즈계열 등이 있다. 아크릴계 이형의 경우 일반적으로 표면에너지가 35mN/m정도로 UV잉크의 인쇄는 가능하지만 UV잉크와의 접착력이 다소 낮아 적용하기에는 어렵다. 셀룰로오즈계열은 표면에너지는 50mN/m이상으로 상당히 높은 값을 나타내지만 기타 UV잉크와의 접착력이 거의 없어, 단지 UV잉크의 인쇄만 가능한 수준이다. 하지만 폴리우레탄계는 표면에너지가 40 ~ 55mN/m사이로 상당히 높아 기본적으로 UV잉크의 인쇄성이 우수하고, UV잉크와의 접착력 또한 상당히 우수하다. 이때 사용되는 폴리우레탄수지는 상온(25℃)에서의 신율이 100%이하인 것을 특징으로 한다. 신율이 100%를 초과하면 이형층자체의 응집력이 커 절단성이 불량해지므로 전사호일로 사용할 수 없다. 상기 폴리우레탄계 수지는 폴리우레탄, 폴리에테르폴리우레탄, 폴리카보네이트폴리우레탄으로부터 선택되는 것을 사용할 수 있다.Release agents capable of forming a transfer type release layer include polyurethane series, acrylic series, cellulose series and the like. In the case of acryl-based mold release, UV ink can be printed with a surface energy of about 35mN / m, but it is difficult to apply due to the low adhesion strength with UV ink. The cellulose series has a very high surface energy of 50 mN / m or more, but has little adhesion with other UV inks, so only UV ink can be printed. However, the polyurethane-based surface energy of 40 ~ 55mN / m is quite high, basically the printability of the UV ink, and also excellent adhesion to the UV ink. The polyurethane resin used at this time is characterized in that the elongation at room temperature (25 ℃) is less than 100%. If the elongation exceeds 100%, the cohesive force of the release layer itself is large and the cutting property is poor, so it cannot be used as a transfer foil. The polyurethane resin may be selected from polyurethane, polyether polyurethane, and polycarbonate polyurethane.

상기 이형층은 폴리우레탄계 수지와 희석용제로 이루어지며, 고형분 함량이 1.0 ~ 5.0 중량%인 이형조성물을 건조 후 도공량 0.05 ~ 0.25g/㎡이 되도록 도포한다.The release layer is made of a polyurethane-based resin and a dilution solvent, and is applied to a coating amount of 0.05 to 0.25 g / m 2 after drying a release composition having a solid content of 1.0 to 5.0 wt%.

이때 이형층은 그라비아 코팅방식으로 코팅하며, 그라비아롤의 메쉬는 175메쉬이며 고형분 조정을 위해 사용된 희석용제는 이소프로필알콜 및 이온성분을 제거한 순수의 무게비가 4:6 ~ 6:4인 것이 적당하다. 위의 방식으로 코팅할 때 폴리우레탄계 이형조성물의 고형분 함량이 1.0 ~ 5.0중량% 범위이고 바람직하게는 2.0 ~ 4.0중량%인 것이 바람직하다. 이형층에 사용된 폴리우레탄 함량이 상기 범위를 만족하는 경우, 절단성이 우수하여 전사호일(콜드호일)로 사용이 용이하며, 이형력이 우수한 전사호일을 제조할 수 있다. 이때 고형분이 1 중량%이면 건조 후 도공량이 0.05g/㎡이고, 고형분이 5.0 중량%이면 건조 후 도공량이 0.25g/㎡이 된다. At this time, the release layer is coated by the gravure coating method, the mesh of gravure roll is 175 mesh and the dilution solvent used for adjusting the solid content is 4: 6 ~ 6: 4 weight ratio of pure water from which isopropyl alcohol and ions are removed. Do. When the coating in the above manner, the solid content of the polyurethane-based release composition is in the range of 1.0 to 5.0% by weight, preferably 2.0 to 4.0% by weight. When the polyurethane content used in the release layer satisfies the above range, it is easy to use as a transfer foil (cold foil) due to its excellent cutting property, and can produce a transfer foil having excellent release force. At this time, if the solid content is 1% by weight, the coating amount after drying is 0.05g / m 2, and if the solid content is 5.0% by weight, the coating amount after drying is 0.25g / m 2.

본 발명에서 상기 이형층 이외의 구성에 대해서는 통상적으로 해당 분야에서 사용되는 성분들이라면 제한되지 않고 사용될 수 있다. 바람직하게는 상기 베이스필름은 폴리에틸렌테레프탈레이트 필름이고, 접착층은 아크릴수지 50 ~ 70 중량%, 비닐수지 20 ~ 40 중량%, 실리카입자 5 ~ 15 중량% 로 이루어진 것을 사용할 수 있다. In the present invention, components other than the release layer may be used without limitation as long as they are components used in the art. Preferably, the base film is a polyethylene terephthalate film, the adhesive layer may be made of acrylic resin 50 to 70% by weight, vinyl resin 20 to 40% by weight, silica particles 5 to 15% by weight.

본 발명에 따른 전사 호일은 UV잉크의 인쇄가 가능한 전사타입의 이형층을 도입하여 전사 후 전사된 면의 최상층에 UV잉크의 인쇄가 가능하다.The transfer foil according to the present invention is capable of printing UV ink on the uppermost layer of the transferred surface by introducing a transfer type release layer capable of printing UV ink.

이하의 실시예를 들어 본 발명을 구체적으로 설명하고자 한다. 그러나 본 발명은 아래의 실시예에 한정되는 것은 아니다. The present invention will be described in detail with reference to the following examples. However, the present invention is not limited to the following examples.

물성 측정방법은 다음과 같다.The method of measuring the physical properties is as follows.

(1)이형력 평가(1) Release force evaluation

전사호일의 접착층에 니또社 31B 테이프를 25℃, 50%RH 조건에서, 5kg 고무 롤러를 이용하여 합지한 후 시료를 2.54cm×18cm의 크기로 자른 후 60분 동안 25℃, 50%RH 조건에서 보관한다. 만능시험기(INSTRON)을 이용해 니또 테이프쪽이 위측 로드셀에 물리고 폴리에스테르 필름쪽이 아래쪽 로드셀에 물리도록 조절한 후 300mm/min의 속도로 T타입 박리 테스트를 실시한다. 박리 시 로드셀에 물리지 않은 꼬리부분은 테스트가 종료될 때 까지 수평을 유지한다.The Nitto 31B tape was bonded to the transfer foil adhesive layer at 25 ° C. and 50% RH using a 5 kg rubber roller, and the sample was cut into a size of 2.54 cm × 18 cm, followed by 60 minutes at 25 ° C. and 50% RH. keep it. Using an universal testing machine (INSTRON), the Nitto tape side is clamped to the upper load cell and the polyester film side is clamped to the lower load cell, and then a T-type peel test is performed at a speed of 300 mm / min. When peeled off, the tail that is not bitten by the load cell will remain level until the end of the test.

이형력이 5gf/25mm~1.5gf/25mm 범위이면: 합격 If release force ranges from 5gf / 25mm to 1.5gf / 25mm: Pass

이형력이 5gf/25mm~1.5gf/25mm 범위를 벗어나면: 불합격 If the release force is outside the range of 5 gf / 25 mm to 1.5 gf / 25 mm: fail

(2)절단성(2) cutting ability

UV경화형 플렉소잉크(Xsys社, Foilbond TC)로 아트지에 플렉소 인쇄를 통해 5mm 높이, 1mm 두께의 글씨를 인쇄한 후, 전사호일을 라미네이션한 상태에서 UV램프를 가해 플렉소 잉크를 경화시킨다. 경화 후 전사호일을 제거해 플렉소잉크 인쇄모양과 전사된 호일의 모양의 유사한 정도를 보고 절단성을 평가하였다. UV-curable flexo ink (Xsys, Foilbond TC) prints 5 mm high and 1 mm thick letters on art paper with flexo printing, and then cures the flexo ink by applying UV lamps with the transfer foil laminated. After curing, the transfer foil was removed, and the degree of cleavage was evaluated by looking at the degree of similarity between the flexographic ink print shape and the shape of the transferred foil.

플렉소잉크 인쇄모양과 호일이 전사된 모양이 동일: 합격 Flexo Ink Printed and Foil Transferred Same: Pass

플렉소잉크 인쇄모양과 호일이 전사된 모양이 차이나고, 플레이크가 발생 : 불합격There is a difference between the shape of the flexo ink print and the transfer of the foil, and a flake occurs.

(3)전사성(3) Transcription

UV경화형 플렉소잉크로 아트지에 플렉소 인쇄를 통해 5mm 높이, 1mm 두께의 글씨를 인쇄한 후, 전사호일을 라미네이션한 상태에서 UV램프를 가해 플렉소잉크를 경화시킨다. 경화 후 전사호일을 제거해 플렉소잉크 인쇄모양과 전사된 호일의 모양의 유사한 정도를 보고 전사성을 평가하였다. UV-curable flexo ink is printed on art paper by 5 mm high and 1 mm thick letters through flexo printing, and then the UV foil is applied with the transfer foil laminated to cure the flexo ink. After hardening, the transfer foil was removed, and the transferability was evaluated by looking at the degree of similarity between the flexographic ink print shape and the shape of the transferred foil.

플렉소잉크 인쇄모양과 호일이 전사된 모양이 동일: 합격 Flexo Ink Printed and Foil Transferred Same: Pass

호일이 플렉소잉크가 인쇄된면에 전체가 전사되지 않고, 미전사된 부분이 발생 : 불합격Foil is not transferred to the surface on which the flexo ink is printed, and an untransferred part occurs.

(4)UV잉크와의 접착력(4) adhesion to UV ink

스템핑된 면에 UV잉크(젤라그멜린 U0842)를 1㎛ 두께로 코팅한 후 UV램프를 이용해 경화를 시킨 후 UV잉크 코팅된면에 스카치테이프를 붙인 후 1분간 방치한 후, 스카치테이프를 때어내 코팅층이 벗겨지면 불합격, 코팅층이 벗겨지지 않으면 합격Apply UV ink (gellagmelin U0842) on the stamped surface to 1㎛ thickness, harden using UV lamp, attach scotch tape to the UV ink coated surface, leave for 1 minute, and then scotch tape If the coating layer is peeled off, it fails. If the coating layer is not peeled off, it passes

(5)건조후도공량(5) Coating after drying

12㎛두께의 폴리에틸렌테레프탈레이트 필름에 이형층을 코팅한 샘플 10장을 준비한 후 무게를 측정한다.After preparing 10 samples in which a release layer was coated on a polyethylene terephthalate film having a thickness of 12 μm, the weight was measured.

메틸에틸케톤을 이용해 코팅층을 제거한 후 100℃ 오븐에서 1분간 건조시킨 후 이형층이 제거된 필름의 무게를 측정한다. 이 값을 이용해 ㎡당 건조 후 도공량을 측정한다. After removing the coating layer using methyl ethyl ketone, and dried in an oven at 100 ℃ for 1 minute and the weight of the film from which the release layer was removed. Using this value, the coating amount after drying per square meter is measured.

(6)이형층에 사용된 수지의 신율(6) Elongation of resin used in release layer

수지를 가로 2.5cm, 세로 10cm, 두께 1mm로 제조한 후 만능시험기를 이용해 신율을 측정한다. 이때 크로스헤드스피드는 30mmm/min이다. The resin is 2.5 cm wide, 10 cm long, and 1 mm thick. Elongation is measured using a universal testing machine. At this time, the crosshead speed is 30mm / min.

[실시예 1]Example 1

베이스필름으로 12㎛두께의 폴리에틸렌테레프탈레이트 필름(코오롱사, FQ00)을 사용하였다. As a base film, a 12-micrometer-thick polyethylene terephthalate film (KOLON, FQ00) was used.

상기 베이스필름의 상부에 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 2.86 중량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록해 전체 고형분이 1.0 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량은 0.05g/㎡이었다. Polyurethane resin (release, WF-41-035, solid content 35%) as a release layer on top of the base film 2.86 wt% and the remaining solvent was adjusted to a ratio of isopropyl alcohol: pure water of 5: 5 so that the total solid content was 1.0 wt% and coated with Gravira 175 mesh. The coating amount after drying of the coating layer was 0.05g / ㎡.

상기 이형층의 상부에 착색층으로 DAP A(다이소) 42.1중량t%와 나이트로셀롤로즈(훽스트) 13.08 중량t%, 블락드이소시아네이트(애경화학) 44.76 중량t%로 건조 후 도공량이 1.2g/㎡이 되도록 코팅을 하였다. The coating amount after drying to 42.1% by weight of DAP A (Diso), 13.08% by weight of nitrocellulose (Cheist), 44.76% by weight of block isocyanate (Aekyung Chemical) as a colored layer on top of the release layer. The coating was made to be / m 2.

상기 착색층의 상부에 저항가열법을 이용하여 증착 후 표면저항이 1.0Ω/sq인 알루미늄 증착층을 형성하였다. An aluminum deposition layer having a surface resistance of 1.0 mA / sq after deposition was formed on the colored layer by using a resistance heating method.

상기 알루미늄 증착층의 상부에 접착층으로 아크릴 수지(데구사, Acryloid B66) 60 중량%, 비닐수지(다우코닝, VMCH) 30 중량%, 실리카입자(데구사, Aerosin R200) 10 중량% 로 혼합하여, 건조 후 도공량이 0.5g/㎡이 되도록 코팅을 하여 제조하였다.60 weight percent of an acrylic resin (Degussa, Acryloid B66), 30 weight% of vinyl resin (Dow Corning, VMCH), and 10 weight% of silica particles (Degussa, Aerosin R200) are mixed as an adhesive layer on the aluminum deposition layer. After coating, the coating was prepared such that the coating amount was 0.5 g / m 2.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[실시예 2] [Example 2]

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 8.57 중량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록 해 전체 고형분이 3.0 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.15g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, WF-41-035, solid content 35%) as the release layer. 8.57% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: pure water to 5: 5 so that the total solid content is 3.0% by weight, and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.15g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[실시예 3] [Example 3]

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 14.29 중량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록 해 전체 고형분이 5.0 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.25g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, WF-41-035, solid content 35%) as the release layer. 14.29% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: pure water to 5: 5 so that the total solid content is 5.0% by weight, and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.25g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[실시예 4] Example 4

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 9.09 중량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록 해 전체 고형분이 3.0 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.15g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, WF-41-035, solid content 35%) as the release layer. 9.09% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: pure water to 5: 5 so that the total solid content is 3.0% by weight, and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.15g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[비교예 1]Comparative Example 1

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 2.29 중량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록 해 전체 고형분이 0.8 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.04g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, WF-41-035, solid content 35%) as the release layer. 2.29% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: pure water to 5: 5 so that the total solid content is 0.8% by weight and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.04g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[비교예 2]Comparative Example 2

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, WF-41-035, 고형분 35%) 15.72 중 량%와 나머지 용제는 이소프로필알콜: 순수의 비가 5:5가 되도록 해 전체 고형분이 5.5 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.04g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, WF-41-035, solid content 35%) as the release layer. 15.72% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: pure water to 5: 5 so that the total solid content is 5.5% by weight, and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.04g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[비교예 3][Comparative Example 3]

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 아크릴 수지(루브리졸, RA17-1 grade, 고형분 45%) 2.0 중량%, 왁스(훽스트, montan OP wax, 고형분 100%) 0.225 중량%와 나머지 99.275 중량% 용제는 톨루엔: 메틸에틸케톤: 자일렌의 비가 5:3:2가 되도록 해 전체 고형분이 0.725 중량%가 되도록 조절한 후 60℃로 가온된 액을 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.07g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the acrylic resin (lubrisol, RA17-1 grade, solid content 45%) as the release layer. 2.0 wt%, 0.225% by weight of wax (montan OP wax, 100% solids) and the remaining 99.275% by weight solvent were adjusted so that the ratio of toluene: methylethylketone: xylene was 5: 3: 2 so that the total solid content was 0.725% by weight. After the solution warmed to 60 ℃ was coated using gravure 175 mesh. After drying the coating layer was coated so that the coating amount is 0.07g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[비교예 4][Comparative Example 4]

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 셀룰로오스아세케이트(이스트만, CA398-3, 고형분 100%) 1.5 중량%와 나머지 용제는 아세톤: 사이클로헥사논의 비가 3:7이 되도록 해 전체 고형분이 1.5 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.08g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.Base film, colored layer, aluminum deposition layer and the adhesive layer was prepared in the same manner as in Example 1, cellulose acetate (Eastman, CA398-3, 100% solids) as a release layer 1.5% by weight and the remaining solvent was adjusted to acetone: cyclohexanone ratio of 3: 7 so that the total solid content is 1.5% by weight and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.08g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[비교예 5][Comparative Example 5]

베이스필름, 착색층, 알루미늄증착층 및 접착층은 실시예 1과 동일하게 제조를 하였으며, 이형층으로 폴리우레탄 수지(스탈, SU-10-022, 고형분 23%) 17.40 중량%와 나머지 용제는 이소프로필알콜: 톨루엔의 비가 5:5가 되도록 해 전체 고형분이 4.0 중량%가 되도록 조절한 후 그라비라 175메쉬를 이용해 코팅하였다. 코팅층의 건조 후 도공량이 0.15g/㎡이 되도록 코팅을 하여 전사 호일을 제조하였다.The base film, the coloring layer, the aluminum deposition layer and the adhesive layer were prepared in the same manner as in Example 1, and the polyurethane resin (Stal, SU-10-022, solid content 23%) as the release layer. 17.40% by weight and the remaining solvent was adjusted so that the ratio of isopropyl alcohol: toluene to 5: 5 so that the total solid content was 4.0% by weight, and then coated with Gravira 175 mesh. After drying the coating layer was coated so that the coating amount is 0.15g / ㎡ to prepare a transfer foil.

제조된 전사호일의 물성을 측정하여 표 1에 나타내었다.The physical properties of the prepared transfer foil are measured and shown in Table 1.

[표 1][Table 1]

Figure 112009039747777-pat00001
Figure 112009039747777-pat00001

상기 표 1에서 보이는 바와 같이, 본 발명에 따른 실시예의 경우 이형층의 이형력이 만족하는 범위이며, 절단성, 전사성, UV잉크 접착력이 모두 우수한 것을 알 수 있었다. 따라서 인쇄 시 다이에 의해 열압착하는 방식이 아닌 인쇄방식에 의한 고속인쇄방식에서도 용이하게 전사될 수 있으며, 전사 후 UV잉크 인쇄가 가능함을 알 수 있었다.As shown in Table 1, in the case of the embodiment according to the present invention, the release force of the release layer was satisfied, and it was found that the cutting property, the transfer property, and the UV ink adhesion were all excellent. Therefore, it can be easily transferred even in the high-speed printing method by the printing method, not the method of thermal compression by the die during printing, and it can be seen that UV ink printing after the transfer is possible.

Claims (4)

고속인쇄방식인 플렉소 인쇄에 사용되는 전사호일로서, 베이스필름층 위에 이형층, 착색층, 알루미늄증착층, 접착층이 차례로 형성되며, As a transfer foil used for flexographic printing, which is a high speed printing method, a release layer, a coloring layer, an aluminum deposition layer, and an adhesive layer are sequentially formed on a base film layer. 상기 이형층은 상온(25℃)에서의 신율이 100%이하인 폴리우레탄계 수지와 희석용제로 이루어지며 고형분 함량이 1.0 ~ 5.0 중량%인 이형조성물을 건조 후 도공량 0.05 ~ 0.25g/㎡이 되도록 도포하여, 전사 후 UV잉크의 인쇄가 가능한 전사 호일.The release layer is composed of a polyurethane-based resin having a elongation of 100% or less and a dilution solvent at room temperature (25 ° C.) and a coating composition after drying a release composition having a solid content of 1.0 to 5.0% by weight to a coating amount of 0.05 to 0.25g / m 2. Transfer foil, which enables printing of the UV ink after transfer. 삭제delete 제 1항에 있어서, The method of claim 1, 상기 폴리우레탄계 수지는 폴리우레탄, 폴리에테르폴리우레탄, 폴리카보네이트폴리우레탄으로부터 선택되는 전사 호일.The polyurethane resin is a transfer foil selected from polyurethane, polyether polyurethane, polycarbonate polyurethane. 제 3항에 있어서, The method of claim 3, 상기 베이스필름은 폴리에틸렌테레프탈레이트 필름이고, 접착층은 아크릴수지 50 ~ 70 중량%, 비닐수지 20 ~ 40 중량%, 실리카입자 5 ~ 15 중량% 로 이루어진 전사호일.The base film is a polyethylene terephthalate film, the adhesive layer is 50 to 70% by weight of acrylic resin, 20 to 40% by weight of vinyl resin, 5 to 15% by weight of silica particles.
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