KR102473773B1 - Acrylic adhesive composition for antifouling adhesive film having excellent resistance of seawater - Google Patents
Acrylic adhesive composition for antifouling adhesive film having excellent resistance of seawater Download PDFInfo
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- KR102473773B1 KR102473773B1 KR1020210063365A KR20210063365A KR102473773B1 KR 102473773 B1 KR102473773 B1 KR 102473773B1 KR 1020210063365 A KR1020210063365 A KR 1020210063365A KR 20210063365 A KR20210063365 A KR 20210063365A KR 102473773 B1 KR102473773 B1 KR 102473773B1
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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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
- C09J7/22—Plastics; Metallised plastics
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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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
Abstract
본 발명은 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물에 관한 것으로, 보다 구체적으로는 점착력을 부여하는 부틸아크릴레이트(Butyl acrylate)와 해수 저항성을 부여하는 부틸메타아크릴레이트(Butyl methacrylate)를 기본 조성으로하며 여기에 선박 표면과의 밀착성을 향상시키기기 위한 글리시딜아크릴레이트(Glycidyl methacrylate) 및 아크릴릭 에시드(Acrylic acid)를 혼합하여 방오점착테이프용 아크릴 점착제 조성물을 제조함으로써, 점착력이 재박리성에 적합한 2.5 ~ 3.0 kgf/inch 범위를 가져 교체 작업시 필름의 제거가 용이하도록 할 뿐만 아니라 우수한 해수 저항성을 가질 수 있도록 하는, 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물에 관한 것이다.The present invention relates to an acrylic adhesive composition for an antifouling adhesive tape having excellent seawater resistance, and more specifically, the basic composition of butyl acrylate for imparting adhesiveness and butyl methacrylate for imparting seawater resistance and by mixing glycidyl methacrylate and acrylic acid to improve adhesion with the surface of the vessel to prepare an acrylic pressure-sensitive adhesive composition for antifouling adhesive tape, the adhesive strength is suitable for re-peelability It relates to an acrylic pressure-sensitive adhesive composition for an antifouling adhesive tape having excellent seawater resistance, which has a range of 2.5 to 3.0 kgf/inch so that the film can be easily removed during replacement work and has excellent seawater resistance.
Description
본 발명은 우수한 해수 저항성을 가질 뿐만 아니라 재박리성에 적합한 점착력 범위를 가지는 방오점착테이프용 아크릴 점착제 조성물에 관한 것이다.The present invention relates to an acrylic pressure-sensitive adhesive composition for an antifouling adhesive tape having an adhesive strength range suitable for re-peelability as well as excellent seawater resistance.
기존의 선박용 방오도료는 스프레이 도포를 이용한 방식으로 대기와 해양을 오염시키는 방식이며 또한 복잡한 도장공정을 가진다. 따라서 이를 개선하기 위해 방오도료를 필름화하여 점착시트 형태로 선박에 부착함으로써, 스프레이공정시 발생하는 오염문제를 해결하고, 도장공정을 단순화시키고 있으며, 관련 선행기술로써 특허문헌 1 내지 3 등이 있다.The existing antifouling paint for ships is a method using a spray coating method that pollutes the air and the ocean, and also has a complicated painting process. Therefore, in order to improve this, the antifouling paint is made into a film and attached to the ship in the form of an adhesive sheet, thereby solving the contamination problem occurring during the spray process and simplifying the painting process, and there are Patent Documents 1 to 3 as related prior art. .
한편, 방오도료필름은 선박의 하부에 위치하며 장기간 지속적으로 해수에 노출되어 이를 부착하기 위한 점착제는 필수적으로 강한 해수 저항성을 가져야할 뿐만 아니라, 장기간의 선박 운행시 주기적으로 진행되는 하부도료의 교체작업시 필름의 제거를 통해 쉽게 교체가 가능해야한다.On the other hand, the antifouling paint film is located at the bottom of the ship and is continuously exposed to seawater for a long period of time, so the adhesive for attaching it must necessarily have strong seawater resistance, and the replacement of the lower paint is periodically performed during long-term ship operation. It should be easily replaceable by removing the film at the time of application.
따라서, 필름의 재박리성을 조절 해야하는데, 보다 구체적으로는 아크릴 점착제 조성물의 점착력이 너무 우수하여 점착력이 강할 경우 필름 제거시 필름의 파단으로 인한 제거에 어려움이 있고 점착력과 택(tack)성을 확보하기위해 경화도를 낮추게 될 경우 재박리성이 불량하여 필름제거시 선박 표면에 아크릴 점착제 조성물이 묻어 나오기 때문에 아크릴 점착제 조성물의 점착력은 2.5 kgf/inch에서 3.0 kgf/inch의 범위가 바람직하되, 재박리성이 우수하여 전이가 없도록 해야한다. 특히 장기간의 해수의 노출에도 물성을 유지하는 해수저항성을 부여해야한다.Therefore, it is necessary to control the re-peelability of the film. More specifically, if the adhesive strength of the acrylic pressure-sensitive adhesive composition is too good and the adhesive strength is strong, it is difficult to remove the film due to breakage of the film when removing the film, and the adhesive strength and tack If the curing degree is lowered to secure the adhesive strength of the acrylic adhesive composition is preferably in the range of 2.5 kgf / inch to 3.0 kgf / inch, because the re-peelability is poor and the acrylic adhesive composition is smeared on the surface of the ship when the film is removed, but the re-peeling It should be of excellent quality so that there is no metastasis. In particular, it is necessary to impart seawater resistance that maintains physical properties even when exposed to seawater for a long period of time.
하지만, 종래 아크릴 점착제는 상기와 같은 점착제 범위를 가지지 못하여 재박리성이 미비할 뿐만 아니라 해수 저항성이 취약한 문제점이 있었다.However, conventional acrylic pressure-sensitive adhesives do not have the above-mentioned pressure-sensitive adhesive range, and thus have poor re-peelability and weak seawater resistance.
본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 점착력을 부여하는 부틸아크릴레이트(Butyl acrylate)와 해수 저항성을 부여하는 부틸메타아크릴레이트(Butyl methacrylate)를 기본 조성으로하며 여기에 선박 표면과의 밀착성을 향상시키기기 위한 글리시딜아크릴레이트(Glycidyl methacrylate) 및 아크릴릭 에시드(Acrylic acid)를 혼합하여 방오점착테이프용 아크릴 점착제 조성물을 제조함으로써, 점착력이 재박리성에 적합한 2.5 ~ 3.0 kgf/inch 범위를 가져 교체 작업시 필름의 제거가 용이하도록 할 뿐만 아니라 우수한 해수 저항성을 가질 수 있도록 함을 과제로 한다.The present invention is to solve the above problems, and has a basic composition of butyl acrylate (Butyl acrylate) that imparts adhesive strength and butyl methacrylate (Butyl methacrylate) that imparts seawater resistance, and adherence to the surface of the ship By preparing an acrylic adhesive composition for antifouling adhesive tape by mixing Glycidyl methacrylate and acrylic acid to improve adhesion, the adhesive strength has a range of 2.5 ~ 3.0 kgf / inch suitable for re-peelability The task is not only to facilitate the removal of the film during replacement work, but also to have excellent seawater resistance.
본 발명은 방오점착테이프용 아크릴 점착제 조성물에 있어서, 부틸아크릴레이트(Butyl acrylate), 부틸메타아크릴레이트(Butyl methacrylate), 글리시딜아크릴레이트(Glycidyl methacrylate) 및 아크릴릭 에시드(Acrylic acid)가 혼합되어 이루어지는 아크릴 단량체 혼합물을 포함하는 것을 특징으로 하는, 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물을 과제의 해결 수단으로 한다.The present invention is an acrylic adhesive composition for antifouling adhesive tape, which is formed by mixing butyl acrylate, butyl methacrylate, glycidyl methacrylate and acrylic acid. An acrylic adhesive composition for an antifouling adhesive tape having excellent seawater resistance, characterized in that it contains an acrylic monomer mixture, as a solution to the problem.
보다 구체적으로 본 발명은 부틸아크릴레이트 68 ~ 78 중량%, 부틸메타아크릴레이트 20 ~ 25 중량%, 글리시딜아크릴레이트 1.5 ~ 5 중량% 및 아크릴릭 에시드 0.5 ~ 2 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트(ethylacetate) 61 ~ 65 중량부 및 개시제인 벤조일 퍼옥사이드(benzoyl peroxide) 0.08 ~ 0.10 중량부가 혼합되어 이루어지는 것이 바람직하다.More specifically, the present invention is an acrylic monomer mixture comprising 68 to 78% by weight of butyl acrylate, 20 to 25% by weight of butyl methacrylate, 1.5 to 5% by weight of glycidyl acrylate, and 0.5 to 2% by weight of acrylic acid. It is preferable that 61 to 65 parts by weight of ethylacetate as a solvent and 0.08 to 0.10 parts by weight of benzoyl peroxide as an initiator are mixed with respect to 100 parts by weight.
본 발명은 점착력이 재박리성에 적합한 2.5 ~ 3.0 kgf/inch 범위를 가져 교체 작업시 필름의 제거가 용이하도록 할 뿐만 아니라 우수한 해수 저항성을 가지는 효과가 있다.The present invention has an effect of having excellent seawater resistance as well as making it easy to remove the film during replacement work by having an adhesive strength in the range of 2.5 to 3.0 kgf / inch suitable for re-peelability.
상기의 효과를 달성하기 위한 본 발명은 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물에 관한 것으로서, 본 발명의 기술적 구성을 이해하는데 필요한 부분만이 설명되며 그 이외 부분의 설명은 본 발명의 요지를 흩트리지 않도록 생략될 것이라는 것을 유의하여야 한다.The present invention for achieving the above effect relates to an acrylic adhesive composition for an antifouling adhesive tape having excellent seawater resistance, and only parts necessary for understanding the technical configuration of the present invention are described, and the other parts are described to explain the gist of the present invention. It should be noted that it will be omitted to avoid clutter.
이하, 본 발명에 따른 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물을 상세히 설명하면 다음과 같다.Hereinafter, the acrylic adhesive composition for antifouling adhesive tape having excellent seawater resistance according to the present invention will be described in detail.
본 발명에 따른 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물은 부틸아크릴레이트(Butyl acrylate), 부틸메타아크릴레이트(Butyl methacrylate), 글리시딜아크릴레이트(Glycidyl methacrylate) 및 아크릴릭 에시드(Acrylic acid)가 혼합되어 이루어지는 아크릴 단량체 혼합물을 포함하는 것을 특징으로 한다.The acrylic adhesive composition for antifouling adhesive tape having excellent seawater resistance according to the present invention contains butyl acrylate, butyl methacrylate, glycidyl methacrylate and acrylic acid. It is characterized in that it comprises an acrylic monomer mixture formed by mixing.
보다 구체적으로 본 발명은 부틸아크릴레이트 68 ~ 78 중량%, 부틸메타아크릴레이트 20 ~ 25 중량%, 글리시딜아크릴레이트 1.5 ~ 5 중량% 및 아크릴릭 에시드 0.5 ~ 2 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트(ethylacetate) 61 ~ 65 중량부 및 개시제인 벤조일 퍼옥사이드(benzoyl peroxide) 0.08 ~ 0.10 중량부가 혼합되어 이루어진다.More specifically, the present invention is an acrylic monomer mixture comprising 68 to 78% by weight of butyl acrylate, 20 to 25% by weight of butyl methacrylate, 1.5 to 5% by weight of glycidyl acrylate, and 0.5 to 2% by weight of acrylic acid. Based on 100 parts by weight, 61 to 65 parts by weight of ethylacetate as a solvent and 0.08 to 0.10 parts by weight of benzoyl peroxide as an initiator are mixed.
상기 부틸아크릴레이트는 점착력을 부여하기 위해 첨가되는 것으로, 그 함량이 68 중량% 미만일 경우 선박의 운행에 의한 압력을 견디기위한 충분한 점착력이 확보되지 않으며, 78 중량%를 초과할 경우 점착제의 응집성이 부족해질 우려가 있다.The butyl acrylate is added to impart adhesive strength. If the content is less than 68% by weight, sufficient adhesive strength to withstand the pressure caused by the operation of the ship is not secured, and if the content exceeds 78% by weight, the cohesiveness of the adhesive is insufficient. There is a risk of breaking down.
상기 부틸메타아크릴레이트는 해수 저항성을 부여하기 위해 첨가되는 것으로 그 함량이 20 중량% 미만일 경우 해수 저항성이 부족해져 장기간의 해수에 노출시 지속적인 점착력의 하락으로 필름의 탈락을 유발할 우려가 있으며, 25 중량%를 초과할 경우 점착제의 유리전이온도가 높아져 점착제의 강성화로 선박 각부분의 곡면에 대한 부착성이 저하될 우려가 있다.The butyl methacrylate is added to impart seawater resistance, and if the content thereof is less than 20% by weight, seawater resistance is insufficient, and when exposed to seawater for a long time, there is a concern that the film may fall off due to a continuous decrease in adhesive strength, and 25% by weight If it exceeds , the glass transition temperature of the pressure-sensitive adhesive increases and there is a concern that the adhesion to the curved surface of each part of the ship may deteriorate due to the rigidity of the pressure-sensitive adhesive.
상기 글리시딜아크릴레이트는 선박 표면과의 밀착성을 향상시키기 위해 첨가되는 것으로 그 함량이 1.5 중량% 미만일 경우 아크릴 점착제 조성물과 선박 하부 표면과의 밀착성이 낮아져 필름의 탈락이 발생할 수 있으며, 5 중량%를 초과할 경우 아크릴 점착제 조성물의 필름 제조시 과경화로 인한 아크릴 점착제 조성물의 택(tack)성을 떨어뜨리게 될 우려가 있다.The glycidyl acrylate is added to improve adhesion with the surface of the ship, and when the content thereof is less than 1.5% by weight, the adhesion between the acrylic pressure-sensitive adhesive composition and the lower surface of the ship may be lowered and the film may fall off, and 5% by weight If it exceeds, there is a concern that the tack property of the acrylic pressure-sensitive adhesive composition may be deteriorated due to overcuring during film production of the acrylic pressure-sensitive adhesive composition.
상기 아크릴릭 에시드는 선박 표면과의 밀착성을 향상시키기 위해 첨가되는 것으로 그 함량이 0.5 중량% 미만일 경우 점착력이 낮아지게 되며, 2 중량%를 초과할 경우 아크릴 점착제 조성물에 산(acid)에 의한 친수성기의 증가로 인해 해수저항성이 낮아질 우려가 있다.The acrylic acid is added to improve adhesion to the surface of the ship, and when the content is less than 0.5% by weight, the adhesive strength is lowered, and when the content exceeds 2% by weight, the acrylic pressure-sensitive adhesive composition increases the hydrophilic group by acid As a result, there is a risk of lowering seawater resistance.
상기 용매는 점도조절을 위해 첨가되는 것으로 에틸아세테이트를 사용하고, 상기 개시제는 상기 각 단량체를 반응시키기 위해 첨가되는 것으로 벤조일 퍼옥사이드(benzoyl peroxide)를 사용하지만, 반드시 상기 용매 및 개시제에 한정되는 것은 아니고 이미 공지된 다양한 종류의 용매 및 개시제의 사용이 가능하며, 그 함량 역시 반드시 상기 범위에 한정되는 것은 아니고 점착제의 사용대상, 환경 등에 따라 가변적으로 조절하여 사용할 수 있다.Ethyl acetate is used as the solvent added for viscosity control, and benzoyl peroxide is used as the initiator added to react each monomer, but is not necessarily limited to the solvent and initiator It is possible to use various types of solvents and initiators already known, and the contents thereof are not necessarily limited to the above range, and may be variably adjusted according to the use target of the pressure-sensitive adhesive, the environment, and the like.
한편, 상기와 같은 아크릴 점착제 조성물이 적용되는 방오점착테이프는 통상 PET(polyethylene terephthalate) 필름의 상부면에 프라이머(primer)를 매개로 방오도료가 형성되어 이루어지며, 본 발명에 따른 아크릴 점착제 조성물은 PET 필름의 하부면(선박과의 점착면)에 형성된다,On the other hand, the antifouling adhesive tape to which the above acrylic adhesive composition is applied is usually formed by forming an antifouling paint on the upper surface of a PET (polyethylene terephthalate) film through a primer, and the acrylic adhesive composition according to the present invention is made of PET It is formed on the lower surface of the film (adhesive surface with the ship),
이때, 아크릴 점착제층의 두께는 60 ~ 100㎛로 형성되는 것이 바람직하며, 두께가 60㎛ 미만일 경우 선박 표면의 요철에 의해 밀착성이 부족해져 필름의 탈락을 유발하고 100㎛을 초과할 경우 필름의 재박리성이 불량해질 우려가 있다.At this time, it is preferable that the thickness of the acrylic pressure-sensitive adhesive layer is formed to be 60 to 100 μm, and if the thickness is less than 60 μm, the adhesion is insufficient due to irregularities on the surface of the ship, causing the film to fall off, and if the thickness exceeds 100 μm, the film is re-peeled. There is a risk of poor quality.
이하, 본 발명을 아래 실시예에 의거하여 더욱 상세히 설명하겠는바 본 발명이 실시예에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail based on the following examples, but the present invention is not limited by the examples.
1. 점착제 조성물의 제조1. Preparation of pressure-sensitive adhesive composition
(실시예 1)(Example 1)
부틸아크릴레이트 75 중량%, 부틸메타아크릴레이트 22 중량%, 글리시딜아크릴레이트 2 중량% 및 아크릴릭 에시드 1 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물을 제조하고, 상기 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트 61 중량부 및 개시제인 벤조일 퍼옥사이드 0.08 중량부를 혼합하여 제조하였다. 이때, 고형분은 35%, 점도는 4000±200cps, 유리전이온도는 -45 ~ -35℃가 되도록 하였다.An acrylic monomer mixture prepared by mixing 75% by weight of butyl acrylate, 22% by weight of butyl methacrylate, 2% by weight of glycidyl acrylate and 1% by weight of acrylic acid, based on 100 parts by weight of the acrylic monomer mixture, It was prepared by mixing 61 parts by weight of ethyl acetate as a solvent and 0.08 parts by weight of benzoyl peroxide as an initiator. At this time, the solid content was 35%, the viscosity was 4000 ± 200cps, and the glass transition temperature was -45 ~ -35 ℃.
(실시예 2)(Example 2)
부틸아크릴레이트 68 중량%, 부틸메타아크릴레이트 25 중량%, 글리시딜아크릴레이트 5 중량% 및 아크릴릭 에시드 2 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물을 제조하고, 상기 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트 62 중량부 및 개시제인 벤조일 퍼옥사이드 0.09 중량부를 혼합하여 제조하였다. 이때, 고형분은 35%, 점도는 4000±200cps, 유리전이온도는 -45 ~ -35℃가 되도록 하였다.An acrylic monomer mixture prepared by mixing 68% by weight of butyl acrylate, 25% by weight of butyl methacrylate, 5% by weight of glycidyl acrylate and 2% by weight of acrylic acid, based on 100 parts by weight of the acrylic monomer mixture, It was prepared by mixing 62 parts by weight of ethyl acetate as a solvent and 0.09 parts by weight of benzoyl peroxide as an initiator. At this time, the solid content was 35%, the viscosity was 4000 ± 200cps, and the glass transition temperature was -45 ~ -35 ℃.
(실시예 3)(Example 3)
부틸아크릴레이트 78 중량%, 부틸메타아크릴레이트 20 중량%, 글리시딜아크릴레이트 1.5 중량% 및 아크릴릭 에시드 0.5 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물을 제조하고, 상기 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트 65 중량부 및 개시제인 벤조일 퍼옥사이드 0.10 중량부를 혼합하여 제조하였다. 이때, 고형분은 35%, 점도는 4000±200cps, 유리전이온도는 -45 ~ -35℃가 되도록 하였다.An acrylic monomer mixture prepared by mixing 78% by weight of butyl acrylate, 20% by weight of butyl methacrylate, 1.5% by weight of glycidyl acrylate and 0.5% by weight of acrylic acid, based on 100 parts by weight of the acrylic monomer mixture, It was prepared by mixing 65 parts by weight of ethyl acetate as a solvent and 0.10 part by weight of benzoyl peroxide as an initiator. At this time, the solid content was 35%, the viscosity was 4000 ± 200cps, and the glass transition temperature was -45 ~ -35 ℃.
(비교예 1)(Comparative Example 1)
실시예 1과 동일하게 제조하되, 부틸아크릴레이트를 혼합하지 않았다.It was prepared in the same way as in Example 1, but butyl acrylate was not mixed.
(비교예 2)(Comparative Example 2)
실시예 2와 동일하게 제조하되, 부틸메타아크릴레이트를 혼합하지 않았다.It was prepared in the same way as in Example 2, but butyl methacrylate was not mixed.
(비교예 3)(Comparative Example 3)
실시예 3과 동일하게 제조하되, 글리시딜아크릴레이트 및 아크릴릭 에시드를 혼합하지 않았다.It was prepared in the same way as in Example 3, but glycidyl acrylate and acrylic acid were not mixed.
2. 점착제 조성물의 평가2. Evaluation of pressure-sensitive adhesive composition
KS T1028 및 KSM ISO 29862의 시험방법에 따라 상기 실시예 및 비교예에 따른 아크릴 점착제 100 중량부에 대하여, 헥사메틸렌디이소시아네이트 트라이머(hexamethylenediisocyanate trimer) 경화제 0.4 중량부를 첨가하여 혼합하고 이를 PET 필름에 도포하여 건조 및 경화한 후, 이형 필름을 부착하고 50℃에서 24시간 숙성시켜 시험편을 제조하였다. 그리고 상기 제작된 시험편의 상태 접착력은 온도 23±2℃, 상대습도 50±5%의 상태에서 24시간 방치한 후 300±30 mm/min의 속도로 180˚ 박리강도를 측정하였고, 해수 환경에서의 점착력은 해수에 24시간 침지한 후 300±30 mm/min의 속도로 180˚ 박리강도를 측정하였으며, 그 결과는 아래 [표 1]과 같다.According to the test methods of KS T1028 and KSM ISO 29862, 0.4 part by weight of hexamethylenediisocyanate trimer curing agent was added to 100 parts by weight of the acrylic adhesive according to the above examples and comparative examples, mixed, and applied to the PET film After drying and curing, a release film was attached and aged at 50 ° C. for 24 hours to prepare a test piece. In addition, the state adhesive strength of the prepared test piece was measured for 180˚ peel strength at a speed of 300 ± 30 mm/min after leaving it for 24 hours at a temperature of 23 ± 2 ° C and a relative humidity of 50 ± 5%, and in a seawater environment. The adhesive force was measured for 180˚ peel strength at a rate of 300±30 mm/min after being immersed in seawater for 24 hours, and the results are shown in [Table 1] below.
(kgf/inch)adhesiveness
(kgf/inch)
(kgf/inch)adhesiveness
(kgf/inch)
상기 [표 1]에서와 같이, 본 발명의 실시예에 따른 아크릴 점착제 조성물은 상태 및 해수 환경에서의 점착력이 2.5 kgf/inch를 유지하여 교체 작업시 필름의 제거가 용이하도록 할 뿐만 아니라 우수한 해수 저항성을 가짐을 알 수 있다.As shown in [Table 1], the acrylic pressure-sensitive adhesive composition according to the embodiment of the present invention maintains 2.5 kgf/inch of adhesive strength in the condition and seawater environment, so that the film can be easily removed during replacement work and has excellent seawater resistance. It can be seen that
상술한 바와 같이, 본 발명에 따른 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물은 상기의 바람직한 실시 예를 통해 설명하고, 그 우수성을 확인하였지만 해당 기술 분야의 당업자라면 하기의 특허 청구 범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 이해할 수 있을 것이다.As described above, the acrylic adhesive composition for antifouling adhesive tape having excellent seawater resistance according to the present invention has been described through the above preferred examples and its excellence has been confirmed, but those skilled in the art It will be understood that the present invention can be variously modified and changed without departing from the spirit and scope of the invention.
Claims (3)
부틸아크릴레이트 68 ~ 78 중량%, 부틸메타아크릴레이트 20 ~ 25 중량%, 글리시딜아크릴레이트 1.5 ~ 5 중량% 및 아크릴릭 에시드 0.5 ~ 2 중량%가 혼합되어 이루어지는 아크릴 단량체 혼합물 100 중량부에 대하여, 용매인 에틸아세테이트(ethylacetate) 61 ~ 65 중량부 및 개시제인 벤조일 퍼옥사이드(benzoyl peroxide) 0.08 ~ 0.10 중량부가 혼합되어 이루어지되,
방오점착테이프에 사용되는 필름의 하부면에 60 ~ 100㎛의 두께로 형성되는 것을 특징으로 하는, 해수 저항성이 우수한 방오점착테이프용 아크릴 점착제 조성물.Acrylic adhesive composition for antifouling adhesive tape containing an acrylic monomer mixture formed by mixing butyl acrylate, butyl methacrylate, glycidyl methacrylate and acrylic acid in
100 parts by weight of an acrylic monomer mixture comprising 68 to 78% by weight of butyl acrylate, 20 to 25% by weight of butyl methacrylate, 1.5 to 5% by weight of glycidyl acrylate and 0.5 to 2% by weight of acrylic acid, It is made by mixing 61 to 65 parts by weight of ethylacetate as a solvent and 0.08 to 0.10 parts by weight of benzoyl peroxide as an initiator,
An acrylic adhesive composition for an antifouling adhesive tape having excellent seawater resistance, characterized in that it is formed on the lower surface of the film used in the antifouling adhesive tape to a thickness of 60 to 100 μm.
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