KR20200138969A - Carrier film using non-acid value, solvent-free photocurable pressure sensitive adhesive - Google Patents

Carrier film using non-acid value, solvent-free photocurable pressure sensitive adhesive Download PDF

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KR20200138969A
KR20200138969A KR1020190065386A KR20190065386A KR20200138969A KR 20200138969 A KR20200138969 A KR 20200138969A KR 1020190065386 A KR1020190065386 A KR 1020190065386A KR 20190065386 A KR20190065386 A KR 20190065386A KR 20200138969 A KR20200138969 A KR 20200138969A
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layer
carrier film
adhesive layer
sensitive adhesive
solvent
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KR1020190065386A
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Korean (ko)
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한승택
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한승택
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/28—Metal sheet
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)

Abstract

The present invention relates to a carrier film using an acid-free solvent-free photocuring adhesive used in a thermal transfer foil including a metal layer and an adhesive layer and, more specifically, to a carrier film in which the metal layer is not corroded due to the absence of acrylic acid. The carrier film comprises: an adhesive layer adhering to the metal layer of the thermal transfer foil; and a base layer in contact with the adhesive layer.

Description

무산가 무용제형 광경화 점착제를 사용한 캐리어 필름{CARRIER FILM USING NON-ACID VALUE, SOLVENT-FREE PHOTOCURABLE PRESSURE SENSITIVE ADHESIVE}Carrier film using an acid-free solvent-free photocuring adhesive {CARRIER FILM USING NON-ACID VALUE, SOLVENT-FREE PHOTOCURABLE PRESSURE SENSITIVE ADHESIVE}

본 개시(Disclosure)는 전체적으로 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름에 관한 것으로, 특히 금속에 반응하지 않는 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름에 관한 것이다.The present disclosure (Disclosure) relates to a carrier film using an acid-free solvent-type photocurable pressure-sensitive adhesive as a whole, and particularly relates to a carrier film using an acid-free solvent-type photocurable pressure-sensitive adhesive that does not react with metal.

여기서는, 본 개시에 관한 배경기술이 제공되며, 이들이 반드시 공지기술을 의미하는 것은 아니다(This section provides background information related to the present disclosure which is not necessarily prior art).Here, a background technology related to the present disclosure is provided, and these do not necessarily mean a known technology (This section provides background information related to the present disclosure which is not necessarily prior art).

도 1은 한국 등록특허공보 제10-0892031호에 제시된 접착 및 부착성이 매우 우수한 실리콘 전사시트의 일 예를 나타내는 도면이다. 설명의 편의를 위해 용어와 부호를 변경하였다.1 is a view showing an example of a silicone transfer sheet having very excellent adhesion and adhesion, as disclosed in Korean Patent Publication No. 10-0892031. Terms and symbols have been changed for convenience of explanation.

피전사체(A)의 표면에 열전사 방법으로 부착되는 전사시트는 기재층(1), 점착제층(2), 인쇄층(4), 인쇄보호층(3) 및 접착층(5)을 갖는다. 기재층(1)는 종이, 플라스틱 필름 등이 사용된다. 점착제층(2)은 주로 실리콘계 또는 왁스계가 많이 사용된다. 기재층(1)과 점착제층(2)은 도 2의 캐리어 필름과 대응된다고 할 수 있다. 전사시트가 피전사체(A)에 부착된 후에 기재층(1)과 점착제층(2)은 박리, 제거된다. 인쇄층(4)은 안료를 포함하는 잉크가 인쇄되어 형성된다. 인쇄보호층(3)은 인쇄층(4)을 보호하면서 기재층(1)과 점착제층(2)의 박리, 제거에 의해 실질적인 외부 표면을 구성한다. 인쇄보호층(3)은 표면 보호성, 인쇄층(4)이 손상되거나 변색되지 않도록 마찰결여도, 내열성, 내 마모성 및 복원력 등의 표면성을 가져야 한다. 접착체층(5)은 피전사체(A)와 양호한 부착성을 가진다. The transfer sheet attached to the surface of the transfer object (A) by a thermal transfer method has a base layer (1), an adhesive layer (2), a printing layer (4), a print protective layer (3), and an adhesive layer (5). As the base layer 1, paper, plastic film, or the like is used. The pressure-sensitive adhesive layer 2 is mainly a silicone-based or wax-based. The base layer 1 and the pressure-sensitive adhesive layer 2 can be said to correspond to the carrier film of FIG. 2. After the transfer sheet is attached to the transfer object (A), the base layer 1 and the pressure-sensitive adhesive layer 2 are peeled off and removed. The printing layer 4 is formed by printing an ink containing a pigment. The print protective layer 3 forms a substantial outer surface by peeling and removing the substrate layer 1 and the pressure-sensitive adhesive layer 2 while protecting the print layer 4. The print protective layer 3 should have surface protection, such as lack of friction, heat resistance, abrasion resistance, and resilience so that the print layer 4 is not damaged or discolored. The adhesive layer 5 has good adhesion to the transfer object A.

금속느낌을 내기 위해서 인쇄층(4) 아래에 금속층을 형성하는 경우가 있다. 금속층은 얇고 가벼워 제조, 운반, 보관, 재단, 열전사 공정을 위해서 금속층을 보호하기 위해서 기재층(1)이 필요하다. 기재층(1)에 금속층을 부착하기 위해서는 점착제층(22)이 꼭 필요한데, 점착제층(22)에 의해 금속층이 변색되고 부식되는 등의 문제점이 나타났다. In some cases, a metal layer is formed under the printing layer 4 to give a metallic feel. The metal layer is thin and light, so the base layer 1 is required to protect the metal layer for manufacturing, transportation, storage, cutting, and thermal transfer processes. In order to attach the metal layer to the base layer 1, the pressure-sensitive adhesive layer 22 is indispensable, but the metal layer is discolored and corroded by the pressure-sensitive adhesive layer 22.

본 개시는 금속층의 부식, 얼룩 발생, 점착제 전이 등의 문제점을 해결할 수 있는 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름을 개시한다.The present disclosure discloses a carrier film using an acid-free solvent-free photocuring adhesive capable of solving problems such as corrosion of a metal layer, occurrence of stains, and transfer of an adhesive.

이에 대하여 '발명의 실시를 위한 구체적인 내용'의 후단에 기술한다.This will be described later in the'Specific Contents for the Implementation of the Invention'.

여기서는, 본 개시의 전체적인 요약(Summary)이 제공되며, 이것이 본 개시의 외연을 제한하는 것으로 이해되어서는 아니된다(This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).Here, a summary of the present disclosure is provided, and this section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

본 개시에 따른 일 측면에 의하면(According to one aspect of the present disclosure), 금속층과 접착층을 포함하는 열전사호일에 사용되는 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름에 있어서, 열전사호일의 금속층과 점착하는 점착제층; 그리고, 점착제층과 접촉하는 기재층;을 포함하는 캐리어 필름이 제공된다.According to one aspect according to the present disclosure, in the carrier film using an acid-free solvent-free photocurable adhesive used for a thermal transfer foil including a metal layer and an adhesive layer, the metal layer of the thermal transfer foil and An adhesive layer to adhere to; And, a carrier film comprising a; base layer in contact with the pressure-sensitive adhesive layer is provided.

이에 대하여 '발명의 실시를 위한 구체적인 내용'의 후단에 기술한다.This will be described later in the'Specific Contents for the Implementation of the Invention'.

도 1은 한국 등록특허공보 제10-0892031호에 제시된 접착 및 부착성이 매우 우수한 실리콘 전사시트의 일 예를 나타내는 도면,
도 2는 본 개시에 따른 캐리어필름을 포함하는 열전사호일의 일 예를 나타내는 도면.1 is a view showing an example of a silicone transfer sheet having very excellent adhesion and adhesion, as presented in Korean Patent Publication No. 10-0892031,
2 is a view showing an example of a thermal transfer foil including a carrier film according to the present disclosure.

이하, 본 개시를 첨부된 도면을 참고로 하여 자세하게 설명한다(The present disclosure will now be described in detail with reference to the accompanying drawing(s)). Hereinafter, the present disclosure will now be described in detail with reference to the accompanying drawing(s)).

도 2는 본 개시에 따른 캐리어 필름의 일 예를 나타내는 도면이다.2 is a diagram illustrating an example of a carrier film according to the present disclosure.

본 명세서에서 접착은 한 번 붙으면 떨어지지 않는 것을 말하고, 점착은 깨끗하게 붙였다가 뗄 수 있는 것을 말한다.In the present specification, adhesion refers to a thing that does not fall off once it is attached, and adhesion refers to a thing that can be attached and peeled off cleanly.

본 개시에 따른 제품에 부착되는 열전사호일(10)은 금속층(11), 접착층(12)을 포함한다. 열전사호일(10)은 사용자가 제품에 부착하기를 원하는 것이다. 금속층(11)의 두께는 0.02~0.05um일 수 있다. 접착층(12)은 금속층(11)과 제품(B)의 사이에 위치하며, 열에 의해 금속층(11)을 제품에 더 단단하게 고정한다. The thermal transfer foil 10 attached to the product according to the present disclosure includes a metal layer 11 and an adhesive layer 12. The thermal transfer foil 10 is what the user wants to attach to the product. The thickness of the metal layer 11 may be 0.02 ~ 0.05um. The adhesive layer 12 is located between the metal layer 11 and the product B, and fixes the metal layer 11 to the product more firmly by heat.

캐리어 필름(20)은 열전사호일(10)의 금속층(11)을 보호하기 위해 구비하며, 기재층(21), 점착제층(22)을 포함한다. 캐리어 필름(20)의 두께는 125~200um일 수 있다. 기재층(21)은 PET, PP, PC, PMMA, PVC, PU 등을 이용한 투명한 플라스틱 재질로 된 필름, 종이 등을 포함할 수 있다. 기재층(21)의 일면에는 점착제층(22)이 접촉된다. 점착제층(22)은 기재층(21)과 안정적으로 접착되며, 광중합을 통해 경화되는 자외선 경화수지(일 예)일 수 있다. 점착제층(22)은 광중합을 통한 점착성 아크릴 프리폴리머(pre-polymer)이며, 아크릴산을 포함하지 않는다. 따라서, 금속층(11)과 점착제층(22)이 점착되었을 때, 아크릴산에 의해서 부식되거나 얼룩이 형성되던 금속층(11)이 부식되지 않는다. 또한, 점착제층(22)은 열로 합성하여 숙성되는 시간이 있었는데, 자외선으로 경화되어 숙성되는 시간이 필요 없어서 공정시간을 단축할 수 있다.The carrier film 20 is provided to protect the metal layer 11 of the thermal transfer foil 10, and includes a base layer 21 and an adhesive layer 22. The thickness of the carrier film 20 may be 125 ~ 200um. The base layer 21 may include a film, paper, etc. made of a transparent plastic material using PET, PP, PC, PMMA, PVC, PU, or the like. The pressure-sensitive adhesive layer 22 is in contact with one surface of the base layer 21. The pressure-sensitive adhesive layer 22 may be a UV curable resin (for example) that is stably adhered to the base layer 21 and is cured through photopolymerization. The adhesive layer 22 is an adhesive acrylic pre-polymer through photopolymerization, and does not contain acrylic acid. Therefore, when the metal layer 11 and the pressure-sensitive adhesive layer 22 are adhered, the metal layer 11, which has been corroded by acrylic acid or stained, is not corroded. In addition, the pressure-sensitive adhesive layer 22 was synthesized by heat and had a time to be aged, but it is cured by ultraviolet rays and does not require a time to be aged.

캐리어 필름(20)은 열전사호일(10)의 금속층(11)에 점착되며, 즉, 캐리어필름(20)의 점착제층(22)은 금속층(11)과 점착된다. 기재층(21)이 제거될 때, 점착제층(22)도 기재층(21)과 함께 제거되는 것이 바람직하다.The carrier film 20 is adhered to the metal layer 11 of the thermal transfer foil 10, that is, the pressure-sensitive adhesive layer 22 of the carrier film 20 is adhered to the metal layer 11. When the base layer 21 is removed, it is preferable that the pressure-sensitive adhesive layer 22 is also removed together with the base layer 21.

금속층(11)을 보호하거나 색이나 모양을 입히기 원한다면 금속층(11) 위에 코팅층(13)을 더 구비할 수 있다. 코팅층(13)은 적어도 하나 이상의 색을 가지는 재료 또는 투명한 재료로 형성될 수 있다.If you want to protect the metal layer 11 or give a color or shape, a coating layer 13 may be further provided on the metal layer 11. The coating layer 13 may be formed of a material having at least one color or a transparent material.

또한, 일반적인 아크릴 및 실리콘 점착제의 경우 점도가 높아서 용제를 사용하여 낮은 점도로 만든 뒤 얇게 펴서 점착제층(22)을 기재층(21)에 도포하였다. 이에 용제를 제거하는 공정 및 시간에 의해 공정의 시간이 길어지고, 용제의 제거가 완벽하지 않은 경우 불량이 발생하였다. 점착제층(22)의 점도는 일반적인 아크릴 및 실리콘 점착제 보다 점도가 낮아서, 용제 없이 기재층(21)에 점착제층(22)을 도포할 수 있다.In addition, in the case of general acrylic and silicone adhesives, the viscosity is high, so that the viscosity is made low using a solvent, and then thinly spread, the adhesive layer 22 is applied to the base layer 21. Accordingly, the time of the process is lengthened by the process and time of removing the solvent, and defects occur when the removal of the solvent is not complete. Since the viscosity of the pressure-sensitive adhesive layer 22 is lower than that of general acrylic and silicone pressure-sensitive adhesives, the pressure-sensitive adhesive layer 22 can be applied to the base layer 21 without a solvent.

이하 본 개시의 다양한 실시 형태에 대하여 설명한다.Hereinafter, various embodiments of the present disclosure will be described.

(1) 금속층과 접착층을 포함하는 열전사호일에 사용되는 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름에 있어서, 열전사호일의 금속층과 점착하는 점착제층; 그리고, 점착제층과 접촉하는 기재층;을 포함하는 캐리어 필름.(1) A carrier film using an acid-free solvent-free photocuring adhesive used for a thermal transfer foil including a metal layer and an adhesive layer, comprising: an adhesive layer adhering to the metal layer of the thermal transfer foil; And, a carrier film comprising a; a base layer in contact with the pressure-sensitive adhesive layer.

(2) 점착제층은 아크릴산이 없는 모노머를 포함하는 캐리어 필름.(2) The adhesive layer is a carrier film containing an acrylic acid-free monomer.

(3) 점착제층과 기재층의 두께의 합은 125~200um 사이인 캐리어 필름.(3) The sum of the thickness of the pressure-sensitive adhesive layer and the base layer is between 125 and 200 μm.

(4) 금속층과 점착층 사이에 금속층을 보호하거나 코팅층이 구비되는 캐리어 필름.(4) A carrier film in which a metal layer is protected or a coating layer is provided between the metal layer and the adhesive layer.

(5) 점착제층은 용제 없이 기재층에 도포 가능한 캐리어 필름.(5) The adhesive layer is a carrier film that can be applied to the base layer without a solvent.

(6) 점착제층은 자외선 경화수지인 캐리어 필름.(6) The pressure-sensitive adhesive layer is a carrier film of an ultraviolet curing resin.

본 개시에 따른 하나의 캐리어 필름에 의하면, 아크릴산이 없어 금속층이 부식되지 않게 된다.According to one carrier film according to the present disclosure, the metal layer is not corroded because there is no acrylic acid.

본 개시에 따른 또 하나의 캐리어 필름에 의하면, 용제 없이 기재층에 점착제층을 도포 할 수 있게 된다.According to another carrier film according to the present disclosure, it is possible to apply an adhesive layer to the base layer without a solvent.

10: 열전사 호일 11: 금속층 12: 접착층 13: 코팅층 20:캐리어 시트
21:기재층 22:점착제층10: thermal transfer foil 11: metal layer 12: adhesive layer 13: coating layer 20: carrier sheet
21: base layer 22: adhesive layer

Claims (6)

금속층과 접착층을 포함하는 열전사호일에 사용되는 무산가 무용제형 광경화 점착제를 사용한 캐리어 필름에 있어서,
열전사호일의 금속층과 점착하는 점착제층; 그리고,
점착제층과 접촉하는 기재층;을 포함하는 캐리어 필름.In the carrier film using an acid-free solvent-free photocurable adhesive used for a thermal transfer foil including a metal layer and an adhesive layer,
An adhesive layer adhering to the metal layer of the thermal transfer foil; And,
A carrier film comprising; a base layer in contact with the pressure-sensitive adhesive layer. 청구항 1에 있어서,
점착제층은 아크릴산이 없는 모노머를 포함하는 캐리어 필름.The method according to claim 1,
The pressure-sensitive adhesive layer is a carrier film containing an acrylic acid-free monomer. 청구항 1에 있어서,
점착제층과 기재층의 두께의 합은 125~200um 사이인 캐리어 필름.The method according to claim 1,
Carrier film in which the sum of the thickness of the adhesive layer and the base layer is between 125 and 200 um. 청구항 1에 있어서,
금속층과 점착층 사이에 금속층을 보호하거나 색을 입히는 코팅층이 구비되는 캐리어 필름.The method according to claim 1,
Carrier film provided with a coating layer to protect or color the metal layer between the metal layer and the adhesive layer. 청구항 1에 있어서,
점착제층은 용제 없이 기재층에 도포 가능한 캐리어 필름.The method according to claim 1,
The adhesive layer is a carrier film that can be applied to the base layer without a solvent. 청구항 1에 있어서,
점착제층은 자외선 경화수지인 캐리어 필름.The method according to claim 1,
The pressure-sensitive adhesive layer is a carrier film of ultraviolet curing resin.
KR1020190065386A 2019-06-03 2019-06-03 Carrier film using non-acid value, solvent-free photocurable pressure sensitive adhesive KR20200138969A (en)

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