KR102539098B1 - Functional sheet for POL film or OCA film laminating - Google Patents
Functional sheet for POL film or OCA film laminating Download PDFInfo
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- KR102539098B1 KR102539098B1 KR1020220096544A KR20220096544A KR102539098B1 KR 102539098 B1 KR102539098 B1 KR 102539098B1 KR 1020220096544 A KR1020220096544 A KR 1020220096544A KR 20220096544 A KR20220096544 A KR 20220096544A KR 102539098 B1 KR102539098 B1 KR 102539098B1
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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
- 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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- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/09—Layered products comprising a layer of metal comprising metal 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 comprising polyesters
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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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
- 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
- B32B7/06—Interconnection of layers permitting easy separation
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
본 발명은 POL(Polarizing) 필름 또는 OCA(Optical clear adhesive) 필름 라미네이팅용 기능성 시트에 관한 것으로, 보다 상세하게는 부착부위의 물리적강도를 보완하고, 반복압착에 의한 균일한 물성을 유지하여 디스플레이 제조시 모듈 제조공정에서 라미네이트용으로 사용될 수 있게 개선된 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트에 관한 것이다.The present invention relates to a functional sheet for laminating a POL (Polarizing) film or an OCA (Optical clear adhesive) film, and more particularly, to supplement the physical strength of the attachment portion and maintain uniform physical properties by repeated compression to manufacture a display It relates to a functional sheet for laminating a POL film or an OCA film improved to be used for lamination in a module manufacturing process.
Description
본 발명은 POL(Polarizing) 필름 또는 OCA(Optical clear adhesive) 필름 라미네이팅용 기능성 시트에 관한 것으로, 보다 상세하게는 부착부위의 물리적강도를 보완하고, 반복압착에 의한 균일한 물성을 유지하여 디스플레이 제조시 모듈 제조공정에서 라미네이트용으로 사용될 수 있게 개선된 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트에 관한 것이다.The present invention relates to a functional sheet for laminating a POL (Polarizing) film or an OCA (Optical clear adhesive) film, and more particularly, to supplement the physical strength of the attachment portion and maintain uniform physical properties by repeated compression to manufacture a display It relates to a functional sheet for laminating a POL film or an OCA film improved to be used for lamination in a module manufacturing process.
일반적으로, LCD, OLED, QLED, Micro LED 등 디스플레이 패널을 만들기 위해서는 여러방향으로 진동하며 입사하는 빛을 한쪽 방향으로 진동시켜 주는 POL(편광) 필름을 부착시겨 주어야 하며, 패널과 외부 글라스의 광학특성을 높여주기 위해 패널과 글라스 사이의 에어갭(air-gap)을 채워서 빛과 휘도를 높여주는 OCA(Optiacal clear adhesive) 필름을 붙여주는 공정을 진행하게 된다.In general, in order to make display panels such as LCD, OLED, QLED, and Micro LED, it is necessary to attach a POL (polarization) film that vibrates in several directions and vibrates incident light in one direction, and the optical In order to enhance the characteristics, a process of attaching OCA (Optiacal Clear Adhesive) film, which increases light and brightness by filling the air-gap between the panel and the glass, is performed.
이와 같은 라미네이팅 공정시 POL 필름을 패널에 부착시키는 공정 혹은 OCA 필름을 패널에 부착시키는 공정에서 이들을 부착시키기 위해 점착 시트가 사용된다.In the process of attaching the POL film to the panel or the process of attaching the OCA film to the panel during the laminating process, an adhesive sheet is used to attach them.
때문에, 이러한 점착 시트는 POL 또는 OCA를 1차적으로 부착시킬 점착력, 젖음성 등의 기능을 보유하고 있어야 하며, 이후 패널에 부착시 생길수 잇는 기포 제거 및 패널을 손상시키지 않는 완충 역할 등이 필요하고, 나아가 반복압착시 지속적 사용 가능을 위한 내구성(수명) 등이 요구된다.Therefore, such an adhesive sheet must have functions such as adhesive strength and wettability to attach POL or OCA first, and then remove air bubbles that may occur when attached to a panel and act as a buffer that does not damage the panel. Durability (life) for continuous use during repeated compression is required.
그런데, 종래 점착 시트는 PI 또는 PET 소재의 기재 위에 실리콘이나 아크릴로 된 단일층의 수지층을 형성한 후 그 위에 이형필름을 형성한 구조로서 부착부위의 늘어짐, 찢김, 반복압착에 따른 물성변화(점착력, 젖음성)가 급격하게 저하되어 수명이 단축되는 단점과, 무엇보다도 모서리부 기포로 인한 불량 발생이 많았다.However, the conventional adhesive sheet has a structure in which a single layer of silicone or acrylic resin layer is formed on a substrate of PI or PET material and a release film is formed thereon, and physical properties change due to stretching, tearing, and repeated compression of the attachment site ( Adhesion, wettability) rapidly deteriorated, resulting in shortened lifespan, and above all, defects due to air bubbles at the corners.
특히, 반복압착에 따른 점착력의 변화를 테스트해 본 결과, 반복횟수가 증가할 수록 점착력이 급격히 떨어져 한계수명이 짧아졌는데, 이는 점착특성을 나타내는 성분이 일정 심부까지 줄어들다가 일정단계가 지나면 젖음성이 급감하여 점착력을 급격히 떨어뜨리는 것으로 확인되었다.In particular, as a result of testing the change in adhesive force due to repeated compression, as the number of repetitions increased, the adhesive force rapidly decreased and the life span shortened. It was confirmed that the adhesive force was rapidly decreased.
본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점들을 감안하여 이를 해결하고자 창출된 것으로, 부착부위의 물리적강도를 보완하고, 반복압착에 의한 균일한 물성을 유지하여 디스플레이 제조시 모듈 제조공정에서 라미네이트용으로 사용될 수 있게 개선된 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트를 제공함에 그 주된 목적이 있다.The present invention was created to solve these problems in view of the various problems in the prior art as described above, and was created for laminate in the module manufacturing process during display manufacturing by supplementing the physical strength of the attachment part and maintaining uniform physical properties by repeated compression. Its main purpose is to provide a functional sheet for laminating an improved POL film or OCA film that can be used as a
본 발명은 상기한 목적을 달성하기 위한 수단으로, POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트로서, 상기 기능성 시트는 멀티레이어(Multi Layer) 구조의 점착층을 포함하는 것을 특징으로 하는 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트를 제공한다.The present invention is a means for achieving the above object, a functional sheet for laminating a POL film or an OCA film, wherein the functional sheet includes an adhesive layer having a multi-layer structure. A functional sheet for laminating is provided.
이때, 상기 멀티레이어는 PI(폴리이미드)층과, 상기 PI층위에 합지된 PET(폴리에틸렌테레프탈레이트)층과, 상기 PET층 위에 합지된 하이브리드 실리콘층으로 이루어진 것에도 그 특징이 있다.At this time, the multi-layer is characterized in that it is composed of a PI (polyimide) layer, a PET (polyethylene terephthalate) layer laminated on the PI layer, and a hybrid silicon layer laminated on the PET layer.
또한, 본 발명은 기재(100)와, 상기 기재(100) 위에 형성된 점착층(200)과, 상기 점착층(200) 위에 형성된 이형필름(300)을 포함하는 라미네이팅용 기능성 시트에 있어서; 상기 기재(100)는 스테인리스스틸인 SUS(Stainless Use Steel)로 이루어지고; 상기 점착층(200)은 PI(폴리이미드)층과, 상기 PI층위에 합지된 PET(폴리에틸렌테레프탈레이트)층과, 상기 PET층 위에 합지된 하이브리드 실리콘층으로 이루어진 것을 특징으로 하는 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트도 제공한다.In addition, the present invention is a functional sheet for laminating comprising a
이때, 상기 점착층(200)을 구성하는 하이브리드 실리콘층은 실리콘수지와 폴리우레탄수지가 1:1의 중량비로 혼합된 혼합수지로 형성된 것에도 그 특징이 있다.At this time, the hybrid silicone layer constituting the
본 발명에 따르면, 다음과 같은 효과를 얻을 수 있다.According to the present invention, the following effects can be obtained.
첫째, 내구성이 향상됨으로 인해 부착시의 교체시간 단축으로 인한 작업성을 개선할 수가 있다.First, due to the improved durability, it is possible to improve the workability due to the shortening of replacement time at the time of attachment.
둘째, 이에 따라 경제적 효과를 얻을 수 있으며, 특히 해외기술에(일본) 의존하던 제품에 대해 국산화를 달성할 수 있다.Second, economic effects can be obtained, and in particular, localization can be achieved for products that depended on foreign technology (Japan).
셋째, 부착부위의 물리적강도를 보완하고, 반복압착에 의한 균일한 물성을 유지할 수 있다.Third, it is possible to supplement the physical strength of the attachment part and maintain uniform physical properties by repeated compression.
도 1은 본 발명에 따른 기능성 시트의 멀티레이어 구조를 보인 예시적인 단면도이다.
도 2는 본 발명에 따른 기능성 시트의 젖음성을 평가한 결과를 설명하는 실험예이다.1 is an exemplary cross-sectional view showing a multi-layer structure of a functional sheet according to the present invention.
Figure 2 is an experimental example explaining the results of evaluating the wettability of the functional sheet according to the present invention.
이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, preferred embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.
본 발명 설명에 앞서, 이하의 특정한 구조 내지 기능적 설명들은 단지 본 발명의 개념에 따른 실시예를 설명하기 위한 목적으로 예시된 것으로, 본 발명의 개념에 따른 실시예들은 다양한 형태로 실시될 수 있으며, 본 명세서에 설명된 실시예들에 한정되는 것으로 해석되어서는 아니된다.Prior to the description of the present invention, the following specific structural or functional descriptions are only exemplified for the purpose of explaining embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms, It should not be construed as limited to the embodiments described herein.
또한, 본 발명의 개념에 따른 실시예는 다양한 변경을 가할 수 있고 여러 가지 형태를 가질 수 있으므로, 특정 실시예들은 도면에 예시하고 본 명세서에 상세하게 설명하고자 한다. 그러나, 이는 본 발명의 개념에 따른 실시예들을 특정한 개시 형태에 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경물, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다.In addition, since the embodiments according to the concept of the present invention can have various changes and various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments according to the concept of the present invention to a specific disclosed form, and should be understood to include all modifications, equivalents or substitutes included in the spirit and scope of the present invention.
도 1에 도시된 바와 같이, 본 발명에 따른 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트는 스테인리스스틸인 SUS(Stainless Use Steel) 기재 위에 멀티레이어(Multi Layer) 구조로 구성되는 것이 특징이다.As shown in FIG. 1, the functional sheet for laminating a POL film or OCA film according to the present invention is characterized in that it is composed of a multi-layer structure on a stainless steel SUS (Stainless Use Steel) substrate.
즉, 본 발명은 기재(100)와, 상기 기재(100) 위에 형성된 점착층(200)과, 상기 점착층(200) 위에 형성된 이형필름(300)을 포함하는 멀티레이어 구조의 라미네이팅용 기능성 시트를 제공한다.That is, the present invention provides a functional sheet for laminating of a multi-layer structure including a
이때, 상기 기재(100)는 스테인리스스틸인 SUS(Stainless Use Steel)로 이루어진다.At this time, the
특히, 상기 기재(100)는 SUS를 사용하기 때문에 두께는 반드시 0.05-0.2mm 범위로 유지되어야 한다. 이것은 굴곡특성을 유지할 수 있어야 하기 때문이다.In particular, since the
이와 같이, 본 발명에서는 상기 기재(100)로 SUS를 사용함으로써 기재의 늘어짐, 찢김 등에 의한 물리적인 파손으로부터 점착층(200)을 보호할 수 있다.As described above, in the present invention, by using SUS as the
아울러, 상기 점착층(200)은 멀티레이어로 이루어진다.In addition, the
예컨대, 본 발명에 따른 상기 점착층(200)은 PI(폴리이미드)층과, 상기 PI층위에 합지된 PET(폴리에틸렌테레프탈레이트)층과, 상기 PET층 위에 합지된 하이브리드 실리콘층으로 이루어진다.For example, the
이때, PI는 매우 낮은 크리프 및 높은 인장강도를 유지하며, 광학적 선명도를 높이고, 오일(탄화수소, 에스터, 에터, 알코올 및 프레온 등)의 영향을 받지 않으며 이들의 마이그레이션을 억제하는 특성이 있다.At this time, PI maintains very low creep and high tensile strength, increases optical clarity, is not affected by oils (hydrocarbons, esters, ethers, alcohols and freons, etc.) and has properties of suppressing their migration.
덧붙여, 본 발명에서는 불량율을 줄일 수 있도록 상기 PI 100중량부를 기준으로 폴리페닐렌설파이드 5.5중량부, 붕산 2.5중량부를 더 첨가할 수 있다.In addition, in the present invention, 5.5 parts by weight of polyphenylene sulfide and 2.5 parts by weight of boric acid may be further added based on 100 parts by weight of the PI to reduce the defective rate.
이 경우, 폴리페닐렌설파이드(Poly phenylene sulfide resin)는 PI와의 친화성이 좋아 고온 밀착성, 내열성, 굴곡강도 향상을 위해 첨가된다In this case, polyphenylene sulfide resin has good affinity with PI and is added to improve high temperature adhesion, heat resistance, and flexural strength.
아울러, 붕산은 기포 발생을 차단하고, 용액의 안정화를 달성하기 위해 첨가된다.In addition, boric acid is added to prevent blistering and achieve stabilization of the solution.
또한, PET는 테레프탈산과 에틸렌글리콜의 중축합에 의해서 얻을 수 있는 폴리에스테르로서, 내열성이 좋고, 탄성회복, 내주름성이 뛰어나 반복압축에 따른 젖음성이 약화되는 것을 억제하기 위해 사용된다.In addition, PET is a polyester obtained by polycondensation of terephthalic acid and ethylene glycol, and has good heat resistance, excellent elasticity recovery and wrinkle resistance, and is used to suppress the weakening of wettability due to repeated compression.
여기에서, 본 발명이 정의하는 젖음성이란 필름이 접착표면에 완전히 밀착되려는 성질을 의미한다.Here, the wettability defined by the present invention means the property of the film to adhere completely to the adhesive surface.
때문에, 젖음성이 저하되면 점착력이 떨어져 분리 이탈되는 문제를 야기시키므로 그 만큼 필름의 수명이 단축된다.Therefore, when the wettability is lowered, the adhesive force is lowered, causing a problem of separation and detachment, so the life of the film is shortened correspondingly.
뿐만 아니라, 본 발명에서는 상기 PET 100중량부를 기준으로 아젤라인산 5중량부, 트리페닐포스핀 3.5중량부를 더 첨가할 수 있다.In addition, in the present invention, 5 parts by weight of azelaic acid and 3.5 parts by weight of triphenylphosphine may be further added based on 100 parts by weight of the PET.
이때, 아젤라인산은 열수축성을 억제하고 슬립성을 강화시켜 내스티키성 유지는 물론 코팅층의 변형을 억제하기 위해 첨가된다.At this time, azelaic acid is added to inhibit heat shrinkage and enhance slip properties to maintain sticky resistance and suppress deformation of the coating layer.
또한, 트리페닐포스핀은 경화성을 높이고, 내후성을 증대시켜 표면 균질화로 내수압특성, 방수성을 강화시키고 부착력을 증대시킨다.In addition, triphenylphosphine enhances curability and weatherability, thereby enhancing water pressure resistance and waterproofness through surface homogenization and increasing adhesion.
한편, 하이브리드 실리콘은 실리콘과 폴리우레탄이 1:1의 중량비로 혼합된 혼합수지액으로서, 우레탄의 반응기에 실리콘성분을 부착시켜 우레탄의 장점인 도장성을 가지면서 실리콘의 장점인 탄성력을 확보하도록 한 것이다.On the other hand, hybrid silicone is a mixed resin liquid in which silicone and polyurethane are mixed in a weight ratio of 1: 1, and the silicone component is attached to the reactor of urethane to secure the elasticity, which is an advantage of silicone, while having paintability, which is an advantage of urethane. will be.
그리하여, 10kgf/㎤ 이상의 인장력을 확보하면서 높은 점착력과 내오존성, 내자외선성, 내오염성을 확보할 수 있도록 하여 준다.Thus, while securing a tensile force of 10 kgf/cm 3 or more, it is possible to secure high adhesive strength, ozone resistance, ultraviolet ray resistance, and contamination resistance.
덧붙여, 본 발명에서는 상기 하이브리드 실리콘 100중량부를 기준으로 아크릴에스터 코폴리머 10중량부, 6-브로모헥산산 2.5중량부를 더 첨가할 수 있다.In addition, in the present invention, based on 100 parts by weight of the hybrid silicone, 10 parts by weight of the acrylic ester copolymer and 2.5 parts by weight of 6-bromohexanoic acid may be further added.
이 경우, 아크릴에스터 코폴리머는 합지면에서의 스티키성을 증가시켜 점착력을 더욱 강화시키기 위해 첨가된다.In this case, the acrylic ester copolymer is added to further strengthen the adhesive strength by increasing the sticky property on the laminated surface.
그리고, 6-브로모헥산산(6-bromohexanoic acid)은 산소의 흡습 침투를 막아 점착면의 점착성 저하를 막고, 내수성도 강화시키기 위해 첨가된다.In addition, 6-bromohexanoic acid is added to prevent moisture permeation of oxygen, to prevent deterioration of adhesiveness of the adhesive surface, and to enhance water resistance.
이상에서 설명한 기능성 시트의 특성을 확인하기 위해 도 2와 같이 멀티레이어를 구성하는 PI층, PET층, 하이브리드 실리콘층에 각각 기능성 성분들이 함유된 상태를 각각 제1,2,3샘플로 하고, 이렇게 만들어진 기능성 시트를 POL 필름에 붙인 후 젖음성이 80%에 도달되는 시간을 3회 측정하여 평균을 내었다.In order to confirm the characteristics of the functional sheet described above, as shown in FIG. 2, the PI layer, the PET layer, and the hybrid silicon layer constituting the multi-layers, respectively, are the first, second, and third samples, respectively, in which functional components are contained. After attaching the prepared functional sheet to the POL film, the time required for wettability to reach 80% was measured three times and averaged.
이때, 비교를 위해 기존재를 래퍼런스로 하였다.At this time, the existing material was used as a reference for comparison.
시험결과, 래퍼런스는 평균 10초가 나왔으나, 본 발명에 따른 제1,2,3샘플은 각각 모두 1.3초-1.5초 내로 유지되어 젖음성이 매우 우수함을 확인할 수 있었다.As a result of the test, the average of the reference was 10 seconds, but the first, second, and third samples according to the present invention were maintained within 1.3 seconds to 1.5 seconds, respectively, confirming that the wettability was very excellent.
또한, 부착박리력을 확인하기 위해 10만회 굴곡시험을 거쳤으며, 시험결과 제1,2,3샘플은 평균 3.18gf/in로서 매우 양호하였다.In addition, a 100,000 times bending test was performed to confirm the adhesion and peeling force, and as a result of the test, samples 1, 2, and 3 were very good with an average of 3.18 gf / in.
반면, 기존재인 래퍼런스는 5.18gf/in로서 불량하였다.On the other hand, the existing material, the reference, was poor at 5.18 gf/in.
이를 통해, 본 발명에 따른 기능성 시트가 기존재를 완전히 대체할 수 있음을 확인하였다.Through this, it was confirmed that the functional sheet according to the present invention can completely replace the existing material.
100: 기재
200: 점착층
300: 이형필름100: substrate
200: adhesive layer
300: release film
Claims (4)
상기 기재(100)는 스테인리스스틸인 SUS(Stainless Use Steel)로 이루어지고; 상기 점착층(200)은 PI(폴리이미드)층과, 상기 PI층위에 합지된 PET(폴리에틸렌테레프탈레이트)층과, 상기 PET층 위에 합지된 하이브리드 실리콘층으로 이루어진 것을 특징으로 하는 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트.A functional sheet for laminating comprising a substrate 100, an adhesive layer 200 formed on the substrate 100, and a release film 300 formed on the adhesive layer 200;
The substrate 100 is made of stainless steel, SUS (Stainless Use Steel); The adhesive layer 200 is a POL film or OCA film, characterized in that composed of a PI (polyimide) layer, a PET (polyethylene terephthalate) layer laminated on the PI layer, and a hybrid silicone layer laminated on the PET layer. Functional sheet for laminating.
상기 점착층(200)을 구성하는 하이브리드 실리콘층은 실리콘수지와 폴리우레탄수지가 1:1의 중량비로 혼합된 혼합수지로 형성된 것을 특징으로 하는 POL 필름 또는 OCA 필름 라미네이팅용 기능성 시트.According to claim 3,
The hybrid silicone layer constituting the adhesive layer 200 is a functional sheet for laminating a POL film or OCA film, characterized in that formed of a mixed resin in which a silicone resin and a polyurethane resin are mixed in a weight ratio of 1: 1.
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