KR102465979B1 - PET film with adjustable gloss and release force - Google Patents
PET film with adjustable gloss and release force Download PDFInfo
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Abstract
Description
본 발명은 광택도와 이형력 조절이 가능한 페트 필름에 관한 것이다.The present invention relates to a PET film capable of controlling gloss and release force.
이형필름은 폴리에스테르 기재필름(PET)의 단면 또는 양면에 실리콘 이형제 등 이형물질을 도포하여 균일한 박리력과 잔류 접착력, 대전 방지 성능을 향상시킨 기능성 필름으로서, 전자부품 및 디스플레이 소재의 점착층을 보호하거나, MLCC 세라믹 성형시 기재 필름으로 사용되어 진다.A release film is a functional film that improves uniform peeling force, residual adhesion, and antistatic performance by applying a release material such as silicone release agent on one or both sides of a polyester base film (PET). It is used as a base film to protect or form MLCC ceramics.
이형필름의 적용 분야가 광범위해짐에 따라 종래 이형필름이 갖고 있는 이형력 뿐만 아니라 필름 표면의 광택정도, 내열성, 내마모성 등 이형필름을 적용하고자 하는 분야에서 필요로 하는 물성이 점차 다양해지고 있으나, 이러한 복잡한 요구를 충족시키는 기술의 개발은 아직까지 미미한 실정이다.As the field of application of the release film expands, the physical properties required in the field to which the release film is applied, such as the degree of gloss, heat resistance, and abrasion resistance of the film surface as well as the release force of the conventional release film, are gradually diversifying. The development of technology that meets the needs is still insignificant.
본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 광택도와 이형력 조절이 가능한 페트 필름을 제공하는 것이다.The present invention has been devised to solve the above problems, and an object of the present invention is to provide a PET film capable of controlling gloss and releasing force.
또한, 본 발명의 목적은 내열성, 내마모성, 강도를 개선한 복합층을 포함하는 페트 필름을 제공하는 것이다.Another object of the present invention is to provide a PET film including a composite layer having improved heat resistance, abrasion resistance, and strength.
본 발명의 과제는 이상에서 언급한 과제들로 제한되지 않으며, 언급되지 않은 또 다른 과제들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.
상기 목적을 달성하기 위하여 본 발명은In order to achieve the above object, the present invention
폴리에틸렌테레프탈레이트(PET) 기재필름 및 상기 폴리에틸렌테레프탈레이트(PET) 기재필름 상에 형성된 복합층을 포함하는 광택도 및 이형력 조절이 가능한 페트 필름을 제공한다.Provided is a PET film capable of controlling gloss and releasing force, including a polyethylene terephthalate (PET) base film and a composite layer formed on the polyethylene terephthalate (PET) base film.
또한, 상기 복합층은 고분자 수지 65-75 중량부, 아크릴계화합물 3-7 중량부, 과불소화합물 1.5-5.5 중량부, 실란화합물 0.4-3.4 중량부, 무기입자 14-24 중량부 및 촉매 0.01-0.5 중량부를 포함하는 복합층 형성용 조성물로 형성된 것을 특징으로 한다.In addition, the composite layer contains 65-75 parts by weight of a polymer resin, 3-7 parts by weight of an acrylic compound, 1.5-5.5 parts by weight of a perfluorine compound, 0.4-3.4 parts by weight of a silane compound, 14-24 parts by weight of inorganic particles, and 0.01- It is characterized in that it is formed of a composition for forming a composite layer containing 0.5 parts by weight.
또한, 상기 고분자 수지는 폴리디메틸실록산(PDMS) 90-100 중량부 및 폴리테트라플루오로에틸렌(PTFE) 3-7 중량부를 포함한다.In addition, the polymer resin includes 90-100 parts by weight of polydimethylsiloxane (PDMS) and 3-7 parts by weight of polytetrafluoroethylene (PTFE).
또한, 상기 아크릴계화합물은 메틸메타크릴레이트(methyl methacrylate, MMA) 80-90 중량부 및 우레탄다이메타크릴레이트(urethane dimethacrylate, UDMA) 10-20 중량부를 포함한다.In addition, the acrylic compound includes 80-90 parts by weight of methyl methacrylate (MMA) and 10-20 parts by weight of urethane dimethacrylate (UDMA).
또한, 상기 과불소화합물은 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid)이다.In addition, the perfluorinated compound is 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) to be.
또한, 상기 실란화합물은 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane)이다.In addition, the silane compound is 2-(perfluorobutyl)ethyl triethoxysilane (2-(perfluorobutyl)ethyl triethoxysilane).
또한, 상기 무기입자는 평균입경이 1-20 ㎛인 제1 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제조된 제1 마스터배치 70-80 중량부 및 평균입경이 10-500 nm인 제2 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제조된 제2 마스터배치 20-30 중량부를 포함한다.In addition, the inorganic particles include 70-80 parts by weight of a first masterbatch prepared by mixing and extruding a first silica particle having an average particle diameter of 1-20 μm with polydimethylsiloxane and a second second having an average particle diameter of 10-500 nm. It contains 20-30 parts by weight of a second masterbatch prepared by mixing silica particles with polydimethylsiloxane and extruding.
또한, 상기 촉매는 백금 촉매이다.Also, the catalyst is a platinum catalyst.
본 발명에 따른 페트 필름은 기존 기재필름 상에 메트층과 이형코팅층이 순차적으로 코팅되는 것을 하나의 복합층으로 한번에 도포함으로써 메트층의 광택도와 러프니스가 그대로 유지될 수 있어 광택도와 이형력, 러프니스를 쉽게 조절이 가능하고 이형코팅층으로써의 이형력 조절 또한 쉽게 가능한 필름이다. 또한, 본 발명에 따른 페트 필름은 내열성, 내마모성, 강도가 더욱 개선되어 우수한 품질을 나타낸다.The PET film according to the present invention can maintain the gloss and roughness of the mat layer as it is by applying the mat layer and the release coating layer sequentially coated on the existing base film as one composite layer at once. It is a film that can easily control the varnish and can easily control the release force as a release coating layer. In addition, the PET film according to the present invention exhibits excellent quality by further improving heat resistance, abrasion resistance, and strength.
도 1은 본 발명의 일 측면에서 제공되는 페트 필름의 복합층 형성용 조성물의 제조방법을 순서도로 나타낸 것이다.1 is a flowchart showing a method of manufacturing a composition for forming a composite layer of a PET film provided in one aspect of the present invention.
이하에서는 첨부된 도면을 참조하여 다양한 실시예를 보다 상세하게 설명한다. 본 명세서에 기재된 실시예는 다양하게 변형될 수 있다. 특정한 실시예가 도면에서 묘사되고 상세한 설명에서 자세하게 설명될 수 있다. 그러나 첨부된 도면에 개시된 특정한 실시 예는 다양한 실시예를 쉽게 이해하도록 하기 위한 것일 뿐이다. 따라서 첨부된 도면에 개시된 특정 실시예에 의해 기술적 사상이 제한되는 것은 아니며, 발명의 사상 및 기술 범위에 포함되는 모든 균등물 또는 대체물을 포함하는 것으로 이해되어야 한다.Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described herein may be variously modified. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only provided to facilitate understanding of various embodiments. Therefore, the technical spirit is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and scope of the invention.
1차, 2차, 제1, 제2 등과 같이 서수를 포함하는 용어는 다양한 구성요소들을 설명하는데 사용될 수 있지만, 이러한 구성요소들은 상술한 용어에 의해 한정되지는 않는다. 상술한 용어는 하나의 구성요소를 다른 구성요소로부터 구별하는 목적으로만 사용된다.Terms including ordinal numbers such as first, second, first, second, etc. may be used to describe various elements, but these elements are not limited by the above-described terms. The above terminology is used only for the purpose of distinguishing one component from another component.
본 명세서에서, '포함한다' 또는 '가지다' 등의 용어는 명세서상에 기재된 특징, 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것이 존재함을 지정하려는 것이지, 하나 또는 그 이상의 다른 특징들이나 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것들의 존재 또는 부가 가능성을 미리 배제하지 않는 것으로 이해되어야 한다. 어떤 구성요소가 다른 구성요소에 '연결되어' 있다거나 '접속되어' 있다고 언급된 때에는, 그 다른 구성요소에 직접적으로 연결되어 있거나 또는 접속되어 있을 수도 있지만, 중간에 다른 구성요소가 존재할 수도 있다고 이해되어야 할 것이다. 반면에, 어떤 구성요소가 다른 구성요소에 '직접 연결되어' 있다거나 '직접 접속되어' 있다고 언급된 때에는, 중간에 다른 구성요소가 존재하지 않는 것으로 이해되어야 할 것이다.In this specification, terms such as 'comprising' or 'having' are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof. When it is said that an element is 'connected' or 'connected' to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is mentioned that a certain element is 'directly connected' or 'directly connected' to another element, it should be understood that the other element does not exist in the middle.
그 밖에도, 본 발명을 설명함에 있어서, 관련된 공지 기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우, 그에 대한 상세한 설명은 축약하거나 생략한다.In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be abbreviated or omitted.
본 발명은 폴리에틸렌테레프탈레이트(PET) 기재필름 및 상기 폴리에틸렌테레프탈레이트(PET) 기재필름 상에 형성된 복합층을 포함하는 광택도 및 이형력 조절이 가능한 페트 필름을 제공한다.The present invention provides a PET film capable of controlling gloss and release force, comprising a polyethylene terephthalate (PET) base film and a composite layer formed on the polyethylene terephthalate (PET) base film.
이하, 본 발명에 따른 페트 필름에 대하여 상세히 설명한다.Hereinafter, the PET film according to the present invention will be described in detail.
본 발명에 따른 페트 필름은 기존 기재필름 상에 메트층과 이형코팅층이 순차적으로 코팅되는 것을 하나의 복합층으로 한번에 도포함으로써 메트층의 광택도와 러프니스가 그대로 유지될 수 있어 광택도와 이형력, 러프니스를 쉽게 조절이 가능하고 이형코팅층으로써의 이형력 조절 또한 쉽게 가능한 필름이다. 또한, 본 발명에 따른 페트 필름은 내열성, 내마모성, 강도가 더욱 개선되어 우수한 품질을 나타낸다.The PET film according to the present invention can maintain the gloss and roughness of the mat layer as it is by applying the mat layer and the release coating layer sequentially coated on the existing base film as one composite layer at once. It is a film that can easily control the varnish and can easily control the release force as a release coating layer. In addition, the PET film according to the present invention exhibits excellent quality by further improving heat resistance, abrasion resistance, and strength.
상기 폴리에틸렌테레프탈레이트(PET) 기재필름은 높은 투명성을 갖는 동시에 생산성 및 가공성이 우수한 일축 또는 이축 배향필름을 사용할 수 있다. 폴리에틸렌테레프탈레이트(PET) 기재필름의 두께는 통상적으로 10-200 ㎛의 것을 사용할 수 있다.As the polyethylene terephthalate (PET) base film, a uniaxial or biaxially oriented film having high transparency and excellent productivity and processability may be used. The thickness of the polyethylene terephthalate (PET) base film may be typically 10-200 μm.
상기 복합층은 고분자 수지 65-75 중량부, 아크릴계화합물 3-7 중량부, 과불소화합물 1.5-5.5 중량부, 실란화합물 0.4-3.4 중량부, 무기입자 14-24 중량부 및 촉매 0.01-0.5 중량부를 포함하는 복합층 형성용 조성물로 형성된 것이 바람직하고, 상기 복합층 형성용 조성물은 고분자 수지 69-71 중량부, 아크릴계화합물 4-6 중량부, 과불소화합물 3-4 중량부, 실란화합물 2-3 중량부, 무기입자 18-20 중량부 및 촉매 0.05-0.2 중량부를 포함하는 것이 더욱 바람직하고, 고분자 수지 70 중량부, 아크릴계화합물 5 중량부, 과불소화합물 3.5 중량부, 실란화합물 2.4 중량부, 무기입자 19 중량부 및 촉매 0.1 중량부를 포함하는 것이 가장 바람직하다.The composite layer contains 65-75 parts by weight of a polymer resin, 3-7 parts by weight of an acrylic compound, 1.5-5.5 parts by weight of a perfluorine compound, 0.4-3.4 parts by weight of a silane compound, 14-24 parts by weight of inorganic particles, and 0.01-0.5 parts by weight of a catalyst. It is preferable to form a composition for forming a composite layer including 3 parts by weight, more preferably containing 18-20 parts by weight of inorganic particles and 0.05-0.2 parts by weight of a catalyst, 70 parts by weight of a polymer resin, 5 parts by weight of an acrylic compound, 3.5 parts by weight of a perfluorine compound, 2.4 parts by weight of a silane compound, Most preferably, it contains 19 parts by weight of inorganic particles and 0.1 parts by weight of catalyst.
상기 고분자 수지는 폴리디메틸실록산(PDMS) 90-100 중량부 및 폴리테트라플루오로에틸렌(PTFE) 3-7 중량부를 포함하는 것이 바람직하고, 폴리디메틸실록산 94-96 중량부 및 폴리테트라플루오로에틸렌 4-6 중량부를 포함하는 것이 더욱 바람직하고, 폴리디메틸실록산 95 중량부 및 폴리테트라플루오로에틸렌 5 중량부를 포함하는 것이 가장 바람직하다.The polymer resin preferably contains 90-100 parts by weight of polydimethylsiloxane (PDMS) and 3-7 parts by weight of polytetrafluoroethylene (PTFE), 94-96 parts by weight of polydimethylsiloxane and 4 parts by weight of polytetrafluoroethylene It is more preferable to contain -6 parts by weight, and most preferably contain 95 parts by weight of polydimethylsiloxane and 5 parts by weight of polytetrafluoroethylene.
상기 폴리디메틸실록산은 실리콘 수지로 적용된다. The polydimethylsiloxane is applied as a silicone resin.
상기 폴리테트라플루오로에틸렌은 불소 중합체 중에서 최고의 열 안정성을 갖는 물질로서, 복합층 형성용 조성물에 적용되여 열 안정성과 더불어 내마모성을 향상시킬 수 있다.The polytetrafluoroethylene is a material having the highest thermal stability among fluoropolymers, and may be applied to a composition for forming a composite layer to improve thermal stability and abrasion resistance.
상기 아크릴계화합물은 메틸메타크릴레이트(methyl methacrylate, MMA) 80-90 중량부 및 우레탄다이메타크릴레이트(urethane dimethacrylate, UDMA) 10-20 중량부를 포함하는 것이 바람직하고, MMA 84-86 중량부 및 UDMA 14-16 중량부를 포함하는 것이 더욱 바람직하고, MMA 85 중량부 및 UDMA 15 중량부를 포함하는 것이 가장 바람직하다. 특히, UDMA를 15 중량부 포함하여 페트 필름의 복합층의 강도가 개선된다.The acrylic compound preferably contains 80-90 parts by weight of methyl methacrylate (MMA) and 10-20 parts by weight of urethane dimethacrylate (UDMA), 84-86 parts by weight of MMA and UDMA More preferably, it contains 14-16 parts by weight, and most preferably contains 85 parts by weight of MMA and 15 parts by weight of UDMA. In particular, the strength of the composite layer of the PET film is improved by including 15 parts by weight of UDMA.
상기 과불소화합물은 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid)를 사용하는 것이 바람직하다. 상기 과불소화합물을 복합층 형성용 조성물에 적용함으로써 이형성을 향상시킬 수 있다.The perfluorinated compound is 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) It is preferable to do Releasability can be improved by applying the perfluorine compound to the composition for forming a composite layer.
상기 실란화합물은 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane)을 사용하는 것이 바람직하다. 상기 실란화합물로 2-(퍼플루오로부틸)에틸 트리에톡시실란을 사용하여 광택도 조절이 우수하다.It is preferable to use 2-(perfluorobutyl)ethyl triethoxysilane as the silane compound. As the silane compound, 2-(perfluorobutyl)ethyl triethoxysilane is used to control the glossiness.
상기 무기입자는 평균입경이 1-20 ㎛인 제1 실리카 입자 70-80 중량부 및 평균입경이 10-500 nm인 제2 실리카 입자 20-30 중량부를 포함하는 것이 바람직하고, 평균입경이 1-20 ㎛인 제1 실리카 입자 74-76 중량부 및 평균입경이 10-500 nm인 제2 실리카 입자 24-26 중량부를 포함하는 것이 더욱 바람직하고, 평균입경이 1-20 ㎛인 제1 실리카 입자 75 중량부 및 평균입경이 10-500 nm인 제2 실리카 입자 25 중량부를 포함하는 것이 가장 바람직하다. The inorganic particles preferably include 70-80 parts by weight of the first silica particles having an average particle diameter of 1-20 μm and 20-30 parts by weight of the second silica particles having an average particle diameter of 10-500 nm, and the average particle diameter is 1- It is more preferable to include 74-76 parts by weight of the first silica particles having an average particle diameter of 20 μm and 24-26 parts by weight of the second silica particles having an average particle diameter of 10-500 nm, and 75 parts by weight of the first silica particles having an average particle diameter of 1-20 μm. Most preferably, it contains 25 parts by weight and 25 parts by weight of the second silica particles having an average particle diameter of 10-500 nm.
또한, 상기 무기입자는 실리카 입자인 것이 바람직하고, 상기 실리카 입자는 폴리디메틸실록산이 코팅된 마스터배치인 것이 바람직하다. 구체적으로, 상기 무기입자는 평균입경이 1-20 ㎛인 제1 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제조된 제1 마스터배치 및 평균입경이 10-500 nm인 제2 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제조된 제2 마스터배치를 포함하는 것이 가장 바람직하다.In addition, the inorganic particles are preferably silica particles, and the silica particles are preferably a polydimethylsiloxane-coated masterbatch. Specifically, the inorganic particles include a first masterbatch prepared by mixing and extruding first silica particles having an average particle diameter of 1-20 μm with polydimethylsiloxane and a second silica particle having an average particle diameter of 10-500 nm. It is most preferred to include a second masterbatch prepared by mixing with dimethylsiloxane and extruding.
상기 촉매는 백금 촉매를 사용하는 것이 바람직하다.The catalyst is preferably a platinum catalyst.
또한, 본 발명은Also, the present invention
폴리디메틸실록산(PDMS) 90-100 중량부 및 폴리테트라플루오로에틸렌(PTFE) 3-7 중량부를 포함하는 고분자 수지를 준비하는 단계;Preparing a polymer resin comprising 90-100 parts by weight of polydimethylsiloxane (PDMS) and 3-7 parts by weight of polytetrafluoroethylene (PTFE);
메틸메타크릴레이트(methyl methacrylate, MMA) 80-90 중량부 및 우레탄다이메타크릴레이트(urethane dimethacrylate, UDMA) 10-20 중량부를 포함하는 아크릴계화합물을 준비하는 단계;Preparing an acrylic compound containing 80-90 parts by weight of methyl methacrylate (MMA) and 10-20 parts by weight of urethane dimethacrylate (UDMA);
평균입경이 1-20 ㎛인 제1 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제1 마스터배치를 제조하는 단계;preparing a first masterbatch by mixing and extruding first silica particles having an average particle diameter of 1-20 μm with polydimethylsiloxane;
평균입경이 10-500 nm인 제2 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제2 마스터배치를 제조하는 단계;preparing a second masterbatch by mixing second silica particles having an average particle diameter of 10-500 nm with polydimethylsiloxane and extruding;
상기 준비된 고분자 수지 35-45 중량부, 상기 준비된 아크릴계화합물 3-7 중량부, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 중량부, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane) 0.4-3.4 중량부 및 제1 마스터배치 12.25-16.25 중량부를 혼합하여 제1 혼합물을 제조하는 단계;35-45 parts by weight of the prepared polymer resin, 3-7 parts by weight of the prepared acrylic compound, 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid (2,3,3) ,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 parts by weight, 2-(perfluorobutyl)ethyl triethoxysilane 0.4-3.4 parts by weight, and the first master mixing 12.25-16.25 parts by weight of batches to prepare a first mixture;
상기 준비된 고분자 수지 25-35 중량부 및 제2 마스터배치 2.75-6.75 중량부를 혼합하여 제2 혼합물을 제조하는 단계;preparing a second mixture by mixing 25-35 parts by weight of the prepared polymer resin and 2.75-6.75 parts by weight of a second masterbatch;
상기 제1 혼합물 및 제2 혼합물을 혼합하여 제3 혼합물을 제조하는 단계; 및preparing a third mixture by mixing the first mixture and the second mixture; and
상기 제3 혼합물에 촉매 0.01-0.5 중량부를 첨가하여 복합층 형성용 조성물을 제조하는 단계;를 포함하는 복합층 형성용 조성물의 제조방법을 제공한다.It provides a method for preparing a composition for forming a complex layer, comprising the step of adding 0.01-0.5 parts by weight of a catalyst to the third mixture to prepare a composition for forming a complex layer.
이때, 도 1에 본 발명의 일 측면에서 제공되는 페트 필름의 복합층 형성용 조성물의 제조방법을 순서도로 나타내었으며, 이하, 도 1을 참조하여 본 발명에 따른 복합층 형성용 조성물의 제조방법을 각 단계별로 상세히 설명한다.At this time, the manufacturing method of the composition for forming a composite layer of a PET film provided in one aspect of the present invention in FIG. 1 is shown as a flowchart, and below, with reference to FIG. 1, the method of manufacturing the composition for forming a composite layer according to the present invention Each step is explained in detail.
먼저, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 폴리디메틸실록산(PDMS) 90-100 중량부 및 폴리테트라플루오로에틸렌(PTFE) 3-7 중량부를 포함하는 고분자 수지를 준비하는 단계를 포함한다.First, the method for preparing the composition for forming a composite layer according to the present invention includes preparing a polymer resin containing 90-100 parts by weight of polydimethylsiloxane (PDMS) and 3-7 parts by weight of polytetrafluoroethylene (PTFE) do.
상기 단계에서는 실리콘 중합체와 불소 중합체를 혼합한 고분자 수지를 준비한다.In the above step, a polymer resin in which a silicone polymer and a fluoropolymer are mixed is prepared.
더욱 바람직하게는, PDMS 94-96 중량부 및 PTFE 4-6 중량부를 포함하는 고분자 수지를 준비하고, 가장 바람직하게는 PDMS 95 중량부 및 PTFE 5 중량부를 포함하는 고분자 수지를 준비한다.More preferably, a polymer resin containing 94-96 parts by weight of PDMS and 4-6 parts by weight of PTFE is prepared, and most preferably, a polymer resin containing 95 parts by weight of PDMS and 5 parts by weight of PTFE is prepared.
상기 폴리디메틸실록산은 실리콘 수지로 적용된다. The polydimethylsiloxane is applied as a silicone resin.
상기 폴리테트라플루오로에틸렌은 불소 중합체 중에서 최고의 열 안정성을 갖는 물질로서, 복합층 형성용 조성물에 적용되여 열 안정성과 더불어 내마모성을 향상시킬 수 있다.The polytetrafluoroethylene is a material having the highest thermal stability among fluoropolymers, and may be applied to a composition for forming a composite layer to improve thermal stability and abrasion resistance.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 메틸메타크릴레이트(methyl methacrylate, MMA) 80-90 중량부 및 우레탄다이메타크릴레이트(urethane dimethacrylate, UDMA) 10-20 중량부를 포함하는 아크릴계화합물을 준비하는 단계를 포함한다.Next, the method for preparing the composition for forming a composite layer according to the present invention comprises 80-90 parts by weight of methyl methacrylate (MMA) and 10-20 parts by weight of urethane dimethacrylate (UDMA) It includes the step of preparing an acrylic compound.
상기 단계에서는 아크릴계화합물을 2종 혼합하여 준비한다.In the above step, two types of acrylic compounds are mixed and prepared.
더욱 바람직하게는, MMA 84-86 중량부 및 UDMA 14-16 중량부를 포함하는 아크릴계화합물을 준비하고, 가장 바람직하게는, MMA 85 중량부 및 UDMA 15 중량부를 포함하는 아크릴계화합물을 준비한다. 특히, UDMA를 15 중량부 사용하여 페트 필름의 복합층의 강도가 개선된다.More preferably, an acrylic compound containing 84-86 parts by weight of MMA and 14-16 parts by weight of UDMA is prepared, and most preferably, an acrylic compound containing 85 parts by weight of MMA and 15 parts by weight of UDMA is prepared. In particular, the strength of the composite layer of the PET film is improved by using 15 parts by weight of UDMA.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 평균입경이 1-20 ㎛인 제1 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제1 마스터배치를 제조하는 단계를 포함한다.Next, the method for preparing the composition for forming a composite layer according to the present invention includes mixing first silica particles having an average particle diameter of 1-20 μm with polydimethylsiloxane, and extruding the first silica particles to prepare a first masterbatch.
상기 단계에서는 무기입자로서 평균입경이 1-20 ㎛인 제1 실리카 입자를 사용하여 제1 마스터배치를 제조한다.In the above step, a first masterbatch is prepared using the first silica particles having an average particle diameter of 1-20 μm as inorganic particles.
상기와 같이 무기입자로 실리카 입자를 적용하되, 마스터배치를 형성하여 폴리디메틸실록산-제1 실리카 입자의 구조로 형성한 뒤 이를 적용한다. 이를 통해 혼화성이 더욱 향상되고, 광택도 조절이 용이하다.The silica particles are applied as inorganic particles as described above, but a master batch is formed to form a polydimethylsiloxane-first silica particle structure, and then this is applied. Through this, miscibility is further improved, and gloss is easy to control.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 평균입경이 10-500 nm인 제2 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제2 마스터배치를 제조하는 단계를 포함한다.Next, the method for preparing the composition for forming a composite layer according to the present invention includes mixing second silica particles having an average particle diameter of 10-500 nm with polydimethylsiloxane, and extruding the second silica particles to prepare a second masterbatch.
상기 단계에서는 무기입자로서 평균입경이 10-500 nm인 제2 실리카 입자를 사용하여 제2 마스터 배치를 제조한다.In the above step, a second master batch is prepared using the second silica particles having an average particle diameter of 10-500 nm as inorganic particles.
상기와 같이 무기입자로 실리카 입자를 적용하되 마스터배치를 형성하여 폴리디메틸실록산-제2 실리카 입자의 구조로 형성한 뒤 이를 적용한다. 또한, 제1 마스터배치에 적용된 제1 실리카 입자의 크기보다 더욱 작은 나노크기의 실리카 입자를 제2 실리카 입자로 도입함으로써 광택도 조절과 더불이 이형력 향상에 도움을 준다.As described above, silica particles are applied as inorganic particles, but a master batch is formed to form a polydimethylsiloxane-second silica particle structure, and then this is applied. In addition, by introducing nano-sized silica particles smaller than the size of the first silica particles applied to the first masterbatch as the second silica particles, it helps to control glossiness and improve the release force.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 상기 준비된 고분자 수지 35-45 중량부, 상기 준비된 아크릴계화합물 3-7 중량부, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 중량부, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane) 0.4-3.4 중량부 및 제1 마스터배치 12.25-16.25 중량부를 혼합하여 제1 혼합물을 제조하는 단계를 포함한다.Next, the manufacturing method of the composition for forming a composite layer according to the present invention is 35-45 parts by weight of the prepared polymer resin, 3-7 parts by weight of the prepared acrylic compound, 2,3,3,3-tetrafluoro-2- (heptafluoropropoxy)propanoic acid (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 parts by weight, 2-(perfluorobutyl)ethyl triethoxysilane (2 -(perfluorobutyl)ethyl triethoxysilane) 0.4-3.4 parts by weight and 12.25-16.25 parts by weight of the first masterbatch are mixed to prepare a first mixture.
상기 단계에서는 준비된 고분자 수지의 약 58~60%의 함량을 이용하여 제1 혼합물을 제조하되, 아크릴계화합물, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid)인 과불소화합물, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane)인 실란화합물과 더불어 준비된 제1 마스터배치를 혼합한다.In the above step, a first mixture is prepared using about 58 to 60% of the prepared polymer resin, but an acrylic compound, 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic Acid (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) perfluorinated compound, 2-(perfluorobutyl)ethyl triethoxysilane (2-(perfluorobutyl)ethyl triethoxysilane) silane compound and the prepared first masterbatch is mixed.
더욱 바람직하게는, 상기 준비된 고분자 수지 39-41 중량부, 상기 준비된 아크릴계화합물 4-6 중량부, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 3-4 중량부, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane) 2-3 중량부 및 제1 마스터배치 13.25-15.25 중량부를 혼합하고, 가장 바람직하게는, 상기 준비된 고분자 수지 40 중량부, 상기 준비된 아크릴계화합물 5 중량부, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 3.5 중량부, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane) 2.4 중량부 및 제1 마스터배치 14.25 중량부를 혼합한다.More preferably, 39-41 parts by weight of the prepared polymer resin, 4-6 parts by weight of the prepared acrylic compound, 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid ( 3-4 parts by weight of 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid, 2-3 parts by weight of 2-(perfluorobutyl)ethyl triethoxysilane parts and 13.25-15.25 parts by weight of the first masterbatch are mixed, and most preferably, 40 parts by weight of the prepared polymer resin, 5 parts by weight of the prepared acrylic compound, 2,3,3,3-tetrafluoro-2-( 3.5 parts by weight of heptafluoropropoxy)propanoic acid (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid), 2-(perfluorobutyl)ethyl triethoxysilane (2-(perfluorobutyl) ) ethyl triethoxysilane) 2.4 parts by weight and 14.25 parts by weight of the first masterbatch are mixed.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 상기 준비된 고분자 수지 25-35 중량부 및 제2 마스터배치 2.75-6.75 중량부를 혼합하여 제2 혼합물을 제조하는 단계를 포함한다.Next, the method for preparing the composition for forming a composite layer according to the present invention includes preparing a second mixture by mixing 25-35 parts by weight of the prepared polymer resin and 2.75-6.75 parts by weight of the second masterbatch.
상기 단계에서는 제1 혼합물에 사용된 고분자 수지를 제외한 나머지 고분자 수지와, 제2 마스터배치를 혼합하여 제2 혼합물을 제조한다.In the above step, a second mixture is prepared by mixing the remaining polymer resin except for the polymer resin used in the first mixture and the second masterbatch.
더욱 바람직하게는, 상기 준비된 고분자 수지 29-31 중량부 및 제2 마스터배치 3.75-5.75 중량부를 혼합하고, 가장 바람직하게는, 상기 준비된 고분자 수지 30 중량부 및 제2 마스터배치 4.75 중량부를 혼합한다.More preferably, 29-31 parts by weight of the prepared polymer resin and 3.75-5.75 parts by weight of the second masterbatch are mixed, and most preferably, 30 parts by weight of the prepared polymer resin and 4.75 parts by weight of the second masterbatch are mixed.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 상기 제1 혼합물 및 제2 혼합물을 혼합하여 제3 혼합물을 제조하는 단계를 포함한다.Next, the method for preparing the composition for forming a composite layer according to the present invention includes preparing a third mixture by mixing the first mixture and the second mixture.
상기와 같이 제1 혼합물과 제2 혼합물을 별개로 제조한 후, 혼합하여 제3 혼합물을 형성함으로써 복합층 형성시 균질한 층을 형성하여 신뢰성을 높일 수 있다.By separately preparing the first mixture and the second mixture as described above, and then mixing to form the third mixture, a homogeneous layer is formed when forming the composite layer, thereby increasing reliability.
다음으로, 본 발명에 따른 복합층 형성용 조성물의 제조방법은 상기 제3 혼합물에 촉매 0.01-0.5 중량부를 첨가하여 복합층 형성용 조성물을 제조하는 단계를 포함한다.Next, the method for preparing a composition for forming a composite layer according to the present invention includes preparing a composition for forming a composite layer by adding 0.01-0.5 parts by weight of a catalyst to the third mixture.
최종적으로 상기 제3 혼합물에 촉매를 혼합하여 복합층 형성용 조성물을 제조한다.Finally, a composition for forming a composite layer is prepared by mixing the catalyst with the third mixture.
상기 촉매는 0.05-0.2 중량부를 첨가하는 것이 더욱 바람직하고, 0.1 중량부를 첨가하는 것이 가장 바람직하다.It is more preferable to add 0.05-0.2 parts by weight of the catalyst, and it is most preferable to add 0.1 parts by weight.
Claims (3)
상기 복합층 형성용 조성물은,
폴리디메틸실록산(PDMS) 90-100 중량부 및 폴리테트라플루오로에틸렌(PTFE) 3-7 중량부를 포함하는 고분자 수지를 준비하는 단계;
메틸메타크릴레이트(methyl methacrylate, MMA) 80-90 중량부 및 우레탄다이메타크릴레이트(urethane dimethacrylate, UDMA) 10-20 중량부를 포함하는 아크릴계화합물을 준비하는 단계;
평균입경이 1-20 ㎛인 제1 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제1 마스터배치를 제조하는 단계;
평균입경이 10-500 nm인 제2 실리카 입자를 폴리디메틸실록산과 혼합하고, 압출하여 제2 마스터배치를 제조하는 단계;
상기 준비된 고분자 수지 35-45 중량부, 상기 준비된 아크릴계화합물 3-7 중량부, 2,3,3,3-테트라플루오로-2-(헵타플루오로프로폭시)프로판오익 애씨드(2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 중량부, 2-(퍼플루오로부틸)에틸 트리에톡시실란(2-(perfluorobutyl)ethyl triethoxysilane) 0.4-3.4 중량부 및 제1 마스터배치 12.25-16.25 중량부를 혼합하여 제1 혼합물을 제조하는 단계;
상기 준비된 고분자 수지 25-35 중량부 및 제2 마스터배치 2.75-6.75 중량부를 혼합하여 제2 혼합물을 제조하는 단계;
상기 제1 혼합물 및 제2 혼합물을 혼합하여 제3 혼합물을 제조하는 단계; 및
상기 제3 혼합물에 촉매 0.01-0.5 중량부를 첨가하여 복합층 형성용 조성물을 제조하는 단계;를 수행하여 제조되는 것을 특징으로 하는 페트 필름을 제조하는 방법.Forming a composite layer using a composition for forming a composite layer on a polyethylene terephthalate (PET) base film is a method for producing a PET film comprising;
The composition for forming the composite layer,
Preparing a polymer resin comprising 90-100 parts by weight of polydimethylsiloxane (PDMS) and 3-7 parts by weight of polytetrafluoroethylene (PTFE);
Preparing an acrylic compound containing 80-90 parts by weight of methyl methacrylate (MMA) and 10-20 parts by weight of urethane dimethacrylate (UDMA);
preparing a first masterbatch by mixing and extruding first silica particles having an average particle diameter of 1-20 μm with polydimethylsiloxane;
preparing a second masterbatch by mixing second silica particles having an average particle diameter of 10-500 nm with polydimethylsiloxane and extruding;
35-45 parts by weight of the prepared polymer resin, 3-7 parts by weight of the prepared acrylic compound, 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid (2,3,3) ,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) 1.5-5.5 parts by weight, 2-(perfluorobutyl)ethyl triethoxysilane 0.4-3.4 parts by weight, and the first master mixing 12.25-16.25 parts by weight of batches to prepare a first mixture;
preparing a second mixture by mixing 25-35 parts by weight of the prepared polymer resin and 2.75-6.75 parts by weight of a second masterbatch;
preparing a third mixture by mixing the first mixture and the second mixture; and
Preparing a composition for forming a composite layer by adding 0.01-0.5 parts by weight of a catalyst to the third mixture; Method for producing a PET film, characterized in that prepared by performing.
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