KR101668767B1 - Paint composition for logo and coating method using the same - Google Patents
Paint composition for logo and coating method using the same Download PDFInfo
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- KR101668767B1 KR101668767B1 KR1020140047763A KR20140047763A KR101668767B1 KR 101668767 B1 KR101668767 B1 KR 101668767B1 KR 1020140047763 A KR1020140047763 A KR 1020140047763A KR 20140047763 A KR20140047763 A KR 20140047763A KR 101668767 B1 KR101668767 B1 KR 101668767B1
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/47—Levelling agents
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
본 발명은 로고용 도료 조성물에 관한 것으로서, 라디칼광개시제 2 내지 5중량부; 양이온광개시제 2 내지 5중량부; 6관능 우레탄 아크릴레이트 올리고머 20 내지 30중량부; Cycloaliphatic Epoxide 20 내지 30중량부; 및 Hexanediol Diacrylate 10 내지 20중량부; 를 포함하는 것을 특징으로 한다.
또한, 본 발명은 로고용 도료 조성물을 이용한 코팅 방법에 관한 것으로서, 6관능 우레탄 아크릴레이트 올리고머, Cycloaliphatic Epoxide를 이용한 로고용 도료 조성물을 제조하는 A단계; 상기 로고용 도료 조성물을 TOP도막에 코팅하는 B단계; 및 상기 B단계에서 코팅된 코팅층을 UV 경화기로 경화하는 C단계; 로 이루어지며, 상기 C단계는 상기 코팅층을 500 내지 1000(mJ)의 광량으로 경화하는 단계인 것을 특징으로 한다.
이에 의해, 2K 솔벤트타입 대신 UV 경화 시스템 타입의 로고용 도료 조성물을 구현함으로써, 부착성 및 경도, 내용제성 우수하면서도 UV 경화시스템을 이용하여 바로 건조가 가능하기 때문에 에너지를 절감할 수 있으며, 생산효율이 우수한 효과가 있다.
또한, 솔벤트를 사용하고 있지 않기 때문에 UV경화 후 건조 도막에 표면잔취가 전혀 없는 친환경적이라는 효과가 있다.The present invention relates to a coating composition for logos, comprising 2 to 5 parts by weight of a radical photoinitiator; 2 to 5 parts by weight of a cationic photoinitiator; 20 to 30 parts by weight of a hexafunctional urethane acrylate oligomer; 20 to 30 parts by weight of cycloaliphatic Epoxide; And 10 to 20 parts by weight of hexanediol diacrylate; And a control unit.
The present invention also relates to a coating method using a coating composition for a logo, comprising the steps of: preparing a coating composition for a logo using a 6-functional urethane acrylate oligomer and a cycloaliphatic epoxide; A step B of coating the coating composition for a logo on the TOP coating; And c) curing the coating layer coated in step B with a UV curing machine; And the step (C) is a step of curing the coating layer at a light amount of 500 to 1000 (mJ).
Thus, by implementing a coating composition for a logo of the UV curing system type instead of the 2K solvent type, energy can be saved because it can be dried immediately by using a UV curing system while having excellent adhesiveness, hardness and solvent resistance, This has an excellent effect.
In addition, since no solvent is used, there is an effect that the surface of the dry film after UV curing is environmentally friendly without any surface residue.
Description
본 발명은 로고용 도료 조성물 및 이를 이용한 코팅 방법에 관한 것으로서, 보다 상세하게는, 솔벤트가 없는 타입이면서 TOP도막에 부착이 가능하고 경도와 내용제성이 우수하면서도 생산효율이 좋은 로고용 도료 조성물 및 이를 이용한 코팅 방법에 관한 것이다.The present invention relates to a logo coating composition and a coating method using the logo composition. More particularly, the present invention relates to a logo coating composition which is solvent-free but can adhere to a TOP coating film and has excellent hardness and solvent resistance, And a coating method using the same.
기존의 로고용 컬러 도료는 TOP도막(2K U/T)에 부착을 용이하게 하기 위해서 2K Polyester Type을 사용하고 있으며, 부착만 양호하고, 경도, 내용제성, 생산성 등 문제점을 많이 가지고 있었다.Conventional logo color paints use 2K Polyester type for easy attachment to TOP coating (2K U / T), and they have good adhesion and have many problems such as hardness, solvent resistance and productivity.
또한, 솔벤트를 함유하고 있기 때문에 친환경적이지 못하다는 문제점을 가지고 있었으며, 관련 선행문헌으로는 대한민국 공개특허공보 공개번호 제10-2013-0016460호(2013.2.15. 공개)가 있었다.In addition, since it contains a solvent, it has a problem that it is not environmentally friendly. As a related prior art, Korean Patent Laid-Open Publication No. 10-2013-0016460 (published on February 15, 2013) was available.
따라서, 솔벤트를 사용하지 않아서 친환경적이고, 부착성 및 경도, 내용제성, 생산성이 우수한 로고용 도료 조성물 및 이를 이용한 코팅 방법의 개발이 요구되고 있는 실정이다.Accordingly, there is a need to develop a logo coating composition which is environmentally friendly, has good adhesion, hardness, solvent resistance and productivity, and a coating method using the coating composition.
본 발명은 상기 문제점을 개선하기 위하여 창작된 것으로써, 본 발명의 목적은, TOP도막에 부착성이 우수하면서도 경도, 내용제성, 생산성이 우수한 로고용 도료 조성물을 구현함으로써 UV 경화시스템을 이용하여 바로 건조가 가능하기 때문에 에너지를 절감할 수 있으며, 그로 인해 생산효율이 우수한 로고용 도료 조성물 및 이를 이용한 코팅 방법을 제공하는 데 있다.The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a logo coating composition having excellent adhesion to a TOP coating and excellent hardness, solvent resistance and productivity, And a coating method using the coating composition. The present invention also provides a coating composition using the same.
본 발명의 또 다른 목적은, 솔벤트를 사용하고 있지 않기 때문에 UV경화 후 건조 도막에 표면 잔취(솔벤트 냄새)가 전혀 없는 우수한 로고용 도료 조성물 및 이를 이용한 코팅 방법을 제공하는 데 있다.It is still another object of the present invention to provide an excellent coating composition for a logo which is free from surface residue (solvent odor) on a dried coating film after UV curing because no solvent is used and a coating method using the same.
상기 목적은, 본 발명에 따라, 라디칼광개시제 2 내지 5중량부; 양이온광개시제 2 내지 5중량부; 6관능 우레탄 아크릴레이트 올리고머 20 내지 30중량부; Cycloaliphatic Epoxide 20 내지 30중량부; 및 Hexanediol Diacrylate 10 내지 20중량부; 를 포함하는 로고용 도료 조성물에 의해 달성될 수 있다.This object is achieved according to the invention, by a process comprising the steps of: 2 to 5 parts by weight of a radical photoinitiator; 2 to 5 parts by weight of a cationic photoinitiator; 20 to 30 parts by weight of a hexafunctional urethane acrylate oligomer; 20 to 30 parts by weight of cycloaliphatic Epoxide; And 10 to 20 parts by weight of hexanediol diacrylate; Based coating composition for a logo.
여기서, 상기 로고용 도료 조성물에는 분산제 1 내지 2중량부가 첨가될 수 있다.Here, 1 to 2 parts by weight of a dispersant may be added to the coating composition for a logo.
또한, 상기 로고용 도료 조성물에는 흑색안료 6 내지 10중량부가 첨가될 수 있다.Further, 6 to 10 parts by weight of a black pigment may be added to the coating composition for a logo.
또한, 상기 로고용 도료 조성물에는 레벨링제 1 내지 2중량부가 첨가될 수 있다.Also, to the coating composition for a logo, 1 to 2 parts by weight of a leveling agent may be added.
또한, 상기 로고용 도료 조성물에는 소포제 0.5 내지 1 중량부가 첨가될 수 있다.Also, 0.5 to 1 part by weight of a defoaming agent may be added to the coating composition for a logo.
한편, 상기 목적은, 본 발명에 따라, 6관능 우레탄 아크릴레이트 올리고머, Cycloaliphatic Epoxide를 이용한 로고용 도료 조성물을 제조하는 A단계; 상기 로고용 도료 조성물을 TOP도막에 코팅하는 B단계; 및 상기 B단계에서 코팅된 코팅층을 UV 경화기로 경화하는 C단계; 로 이루어지며, 상기 C단계는 상기 코팅층을 500 내지 1000(mJ)의 광량으로 경화하는 단계로 마련되는 로고용 도료 조성물을 이용한 코팅 방법에 의해서도 달성될 수 있다.According to another aspect of the present invention, there is provided a process for preparing a coating composition for a logo using a 6-functional urethane acrylate oligomer, a cycloaliphatic epoxide, A step B of coating the coating composition for a logo on the TOP coating; And c) curing the coating layer coated in step B with a UV curing machine; , And the step C may be accomplished by a coating method using a coating composition for a logo, which is prepared by curing the coating layer at a light amount of 500 to 1000 (mJ).
여기서, 상기 A단계에서 제조되는 로고용 도료 조성물은, 라디칼광개시제 2 내지 5중량부; 양이온광개시제 2 내지 5중량부; 6관능 우레탄 아크릴레이트 올리고머 20 내지 30중량부; Cycloaliphatic Epoxide 20 내지 30중량부; 및 Hexanediol Diacrylate 10 내지 20중량부; 를 포함한다.Here, the coating composition for a logo produced in the step (A) comprises 2 to 5 parts by weight of a radical photoinitiator; 2 to 5 parts by weight of a cationic photoinitiator; 20 to 30 parts by weight of a hexafunctional urethane acrylate oligomer; 20 to 30 parts by weight of cycloaliphatic Epoxide; And 10 to 20 parts by weight of hexanediol diacrylate; .
여기서, 상기 로고용 도료 조성물에는 분산제 1 내지 2중량부가 첨가될 수 있다.Here, 1 to 2 parts by weight of a dispersant may be added to the coating composition for a logo.
또한, 상기 로고용 도료 조성물에는 흑색안료 6 내지 10중량부가 첨가될 수 있다.Further, 6 to 10 parts by weight of a black pigment may be added to the coating composition for a logo.
또한, 상기 로고용 도료 조성물에는 레벨링제 1 내지 2중량부가 첨가될 수 있다.Also, to the coating composition for a logo, 1 to 2 parts by weight of a leveling agent may be added.
또한, 상기 로고용 도료 조성물에는 소포제 0.5 내지 1 중량부가 첨가될 수 있다.Also, 0.5 to 1 part by weight of a defoaming agent may be added to the coating composition for a logo.
본 발명에 의해, 2K 솔벤트타입 대신 UV 경화 시스템 타입의 로고용 도료 조성물을 구현함으로써, 부착성 및 경도, 내용제성 우수하면서도 UV 경화시스템을 이용하여 바로 건조가 가능하기 때문에 에너지를 절감할 수 있으며, 생산효율이 우수한 효과가 있다.According to the present invention, since the logo coating composition of the UV curing system type is implemented in place of the 2K solvent type, energy can be saved because it can be dried immediately by using the UV curing system while having excellent adhesiveness, hardness and solvent resistance, The production efficiency is excellent.
또한, 솔벤트를 사용하고 있지 않기 때문에 UV경화 후 건조 도막에 표면잔취가 전혀 없는 친환경적이라는 효과가 있다.In addition, since no solvent is used, there is an effect that the surface of the dry film after UV curing is environmentally friendly without any surface residue.
이하, 본 발명의 구성을 상세히 설명하기로 한다. Hereinafter, the configuration of the present invention will be described in detail.
이에 앞서, 본 명세서 및 청구범위에 사용된 용어는 사전적인 의미로 한정 해석되어서는 아니 되며, 발명자는 자신의 발명을 최선의 방법으로 설명하기 위해 용어의 개념을 적절히 정의할 수 있다는 원칙에 입각하여, 본 발명의 기술적 사상에 부합되는 의미와 개념으로 해석되어야 한다.Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.
따라서, 본 명세서에 기재된 실시예에 기재된 구성은 본 발명의 바람직한 실시예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 표현하는 것은 아니므로, 본 출원 시점에 있어 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 존재할 수 있음을 이해해야 한다.
Therefore, the constitution described in the embodiments described herein is merely a preferred embodiment of the present invention, and not all of the technical ideas of the present invention are expressed, so that various equivalents and variations It should be understood that examples may exist.
본 발명에 따른 로고용 도료 조성물은 라디칼광개시제, 양이온광개시제, 6관능 우레탄 아크릴레이트 올리고머, Cycloaliphatic Epoxide, Hexanediol Diacrylae를 포함하며, 분산제(B-108), 흑색안료(carbon black), 레벨링제 및 소포제를 첨가하여 제조될 수 있다.The coating composition for a logo according to the present invention comprises a radical photoinitiator, a cationic photoinitiator, a hexafunctional urethane acrylate oligomer, a cycloaliphatic Epoxide, a hexanediol diacrylae, a dispersant (B-108), a black pigment, . ≪ / RTI >
즉, 상기 로고용 도료 조성물은 라디칼광개시제, 양이온광개시제, 다관능 우레탄 아크릴레이트 올리고머, Cycloaliphatic Epoxide 및 Hexanediol Diacrylae 를 주성분으로 하고, 분산제, 안료, 레벨링제 및 소포제 등 첨가제로 구성된다. 본 발명에서는 6관능 우레탄 아크릴레이트 올리고머를 사용한다.That is, the coating composition for a logo is mainly composed of a radical photoinitiator, a cationic photoinitiator, a polyfunctional urethane acrylate oligomer, a cycloaliphatic Epoxide and a hexanediol diacrylae, and is composed of additives such as a dispersing agent, a pigment, a leveling agent and a defoaming agent. In the present invention, a hexafunctional urethane acrylate oligomer is used.
여기서, 라디칼광개시제는 2 내지 5중량부를 포함하는 것이 바람직하다. 이는 광개시제가 2중량부 미만이면 경화성이 떨어지는 문제가 생기고, 5중량부를 초과하면 내광성과 부착성이 떨어지는 문제점이 생기기 때문이다.Here, the radical photoinitiator preferably comprises 2 to 5 parts by weight. This is because if the amount of the photoinitiator is less than 2 parts by weight, the curability tends to deteriorate. If the amount is more than 5 parts by weight, the light resistance and adhesiveness are poor.
양이온광개시제는 2 내지 5중량부를 포함하는 것이 바람직하다. 이는 광개시제가 2중량부 미만이면 부착성이 떨어지는 문제가 생기고, 5중량부를 초과하면 내광성이 떨어지는 문제점이 생기기 때문이다.The cationic photoinitiator preferably comprises 2 to 5 parts by weight. This is because if the amount of the photoinitiator is less than 2 parts by weight, there is a problem of poor adhesion, while if it exceeds 5 parts by weight, the problem of poor light resistance occurs.
또한, 6관능 우레탄 아크릴레이트 올리고머는 20 내지 30중량부를 포함하는 것이 바람직하다. 이는 6관능 우레탄 아크릴레이트 올리고머가 20중량부 미만이면 경도와 내용제성이 떨어지는 문제가 생기고, 30중량부를 초과하면 부착성이 떨어지는 문제가 생기기 때문이다.The hexafunctional urethane acrylate oligomer preferably comprises 20 to 30 parts by weight. This is because if the hexafunctional urethane acrylate oligomer is less than 20 parts by weight, there arises a problem that the hardness and the solvent resistance are inferior, whereas if it exceeds 30 parts by weight, the problem of poor adhesion is caused.
6관능 초과의 우레탄 아크릴레이트 올리고머는 TOP도막과의 부착성이 떨어지고, 6관능 미만의 우레탄 아크릴레이트 올리고머는 경도와 내용제성이 떨어지기 때문에 도료 조성물에서 상도 물성을 구현하기 위해서 6관능 우레탄 아크릴레이트 올리고머를 사용함으로써 경도, 부착성, 내용제성 등을 만족시키는 효과를 얻을 수 있다.Since the urethane acrylate oligomer having more than six functionalities is poor in adhesion with the TOP coating film and the urethane acrylate oligomer having less than six functionalities is inferior in hardness and solvent resistance, it is necessary to use a hexafunctional urethane acrylate oligomer It is possible to obtain an effect of satisfying the hardness, adhesion, solvent resistance and the like.
Cycloaliphatic Epoxide는 본 발명의 로고용 도료 조성물을 이용해 도포되어 형성되는 도막의 최종물성 중 부착성을 결정짓는 요소로써, 20 내지 30중량부를 포함하는 것이 바람직하다. 이는 Cycloaliphatic Epoxide가 20중량부 미만이면 부착성이 떨어지는 문제점 생기고, 30중량부를 초과하면 경화성 및 경도와 내용제성이 떨어지는 문제점이 생기기 때문이다.Cycloaliphatic Epoxide is an element which determines the adhesion property of a coating film formed by coating using a coating composition for logos of the present invention, and preferably includes 20 to 30 parts by weight. This is because if the amount of the cycloaliphatic epoxide is less than 20 parts by weight, there is a problem of poor adhesion. If the amount of the cycloaliphatic epoxide is more than 30 parts by weight, curing property and hardness and solvent resistance are poor.
Hexandiol Diacrylate는 본 발명의 로고용 도료 조성물을 이용해 도포되어 형성되는 도막의 최종물성 중 도료작업성을 결정짓는 요소로써, 10 내지 20중량부를 포함하는 것이 바람직하다. 이는 Hexandiol Diacrylate가 10중량부 미만이면 점도가 너무 높아서 작업성(Silk Screen)이 떨어지는 문제점이 생기고, 20중량부를 초과하면 점도가 낮아서 작업성이 떨어지고, 경도와 내용제성이 떨어지는 문제가 생기기 때문이다.Hexandiol Diacrylate is a factor determining the workability of the paint among the final physical properties of a coating film formed by applying the coating composition for a logo of the present invention, and it preferably includes 10 to 20 parts by weight. This is because if the amount of hexanediol diacrylate is less than 10 parts by weight, the viscosity becomes too high and the workability (silk screen) deteriorates. If the amount exceeds 20 parts by weight, the viscosity is low and workability is deteriorated, and hardness and solvent resistance are poor.
한편, 본 발명에 따른 로고용 도료 조성물에는 분산제 1 내지 2중량부를 포함하는 것이 바람직하다. 이는 분산제가 1중량부 미만이면 흑색안료의 응집현상이 발생하여 도료저장성이 떨어지는 문제점이 발생하며 분산제가 2중량부를 초과하는 경우에는 도료와의 상용성이 떨어지는 문제점이 발생한다.Meanwhile, the coating composition for a logo according to the present invention preferably contains 1 to 2 parts by weight of a dispersing agent. If the amount of the dispersing agent is less than 1 part by weight, coagulation phenomenon of the black pigment may occur, resulting in poor storage stability of the paint. If the dispersing agent is more than 2 parts by weight, compatibility with the paint may be poor.
또한, 로고용 도료 조성물에는 흑색안료 6 내지 10중량부를 포함하는 것이 바람직하다. 이는 흑색안료가 6중량부 미만이면 은폐가 떨어져서 원하는 흑도구현이 힘들며 흑색안료가 10중량부를 초과하는 경우에는 경화장애를 초래하여 경화성 및 부착성이 떨어지는 문제점이 발생한다.Further, it is preferable that the coating composition for logos comprises 6 to 10 parts by weight of a black pigment. If the amount of the black pigment is less than 6 parts by weight, it becomes difficult to realize the desired blackness because the covering is difficult to achieve. If the amount of the black pigment is more than 10 parts by weight, curing trouble occurs and the curability and adhesiveness are deteriorated.
또한, 로고용 도료 조성물에는 레벨링제 1 내지 2중량부를 포함하는 것이 바람직하다. 이는 레벨링제가 1중량부 미만이면 표면 Wetting성이 떨어지는 문제점이 발생하며 레벨링제가 2중량부를 초과하는 경우에는 표면외관이 떨어지는 문제점이 발생한다.Further, it is preferable that the coating composition for logos includes 1 to 2 parts by weight of leveling agent. If the leveling agent is less than 1 part by weight, the surface wettability tends to deteriorate. If the leveling agent is more than 2 parts by weight, the surface appearance is deteriorated.
또한, 본 발명에 사용될 수 있는 레벨링제로는 Byk-306, Byk-310, Byk-320, Byk-322, Byk-331, Byk-347, Byk-349, Byk-3500, Byk-3530, Byk-3570 등이 있으며, 바람직하게는 Byk-3500, Byk-3570 등을 사용할 수 있다.As leveling agents that can be used in the present invention, there may be mentioned Byk-306, Byk-310, Byk-320, Byk-322, Byk-331, Byk-347, Byk-349, Byk-3500, Byk-3530, And preferably Byk-3500, Byk-3570, and the like.
또한, 로고용 도료 조성물에는 소포제 0.5 내지 1중량부를 포함하는 것이 바람직하다. 소포제가 0.5중량부 미만이면 소포성이 떨어지는 문제점이 발생하며 소포제가 1중량부를 초과하는 경우에는 소포제도 강한 실리콘이기 때문에 표면 레벨링성이 떨어지는 문제가 생기기 때문이다.The coating composition for a logo preferably contains 0.5 to 1 part by weight of a defoaming agent. If the amount of the antifoaming agent is less than 0.5 parts by weight, defoaming will occur. If the amount of the antifoaming agent is more than 1 part by weight, defoaming of the surface leveling property will occur because the antifoaming agent is strong.
또한, 본 발명에 사용될 수 있는 소포제로는 Byk-051, Byk-052, Byk-054, Byk-057, Byk-063, Byk-065, Byk-072, Byk-085, Byk-088 등이 있으며, 바람직하게는 Byk-085, Byk-088 등을 사용할 수 있다.
Byk-051, Byk-052, Byk-054, Byk-057, Byk-063, Byk-065, Byk-072, Byk-085 and Byk-088 can be used in the present invention. Preferably, Byk-085, Byk-088, and the like can be used.
이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시하나, 하기 실시예는 본 발명을 예시하는 것일 뿐, 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the scope of the present invention is not limited to the following examples.
본 발명인 로고용 도료 조성물에 대한 각각의 실시예 1 내지 9에서는 하기와 같은 다양한 실험 방법들에 의해 도료 조성물의 물성 등을 측정하였으며, 당업계의 기술자에게 자명한 수단에 의한 성질들을 정의하기 위한 목적으로 하기 실험 방법들을 이용하였다. 여기서, 실시예에 적용된 도료 조성물은 여러 종류의 배합비로 테스트 한 후, 도막두께, UV 경화기(수은 Lamp, 산소조건에서 광량) 조건에 따라 가장 양호한 배합으로 구성한 실시예이다.
In each of Examples 1 to 9 of the coating composition for a logo, which is the present invention, the physical properties and the like of the coating composition were measured by various experimental methods as described below, and the purpose of defining the properties by means obvious to those skilled in the art The following experimental methods were used. Here, the coating compositions applied to the examples are tested in various blending ratios, and then the coating composition is the most preferable according to the coating film thickness and UV curing machine (mercury lamp, light quantity under oxygen condition) conditions.
실험환경 조건Experimental environmental condition
실험환경, 즉 실험을 행하는 장소는 온도 20±2℃, 습도 65±5%(이하 '실온'이라 함)에서 일광의 직사가 없고 가스, 증기, 먼지 및 통풍이 매우 적은 장소로 하고, 실험 시편은 원칙적으로 도장 후 72 시간 이상 방치된 것을 실험에 사용하였다.The experimental environment, that is, the place to conduct the experiment, shall be a place where there is no direct sunlight and very little gas, steam, dust and ventilation at a temperature of 20 ± 2 ° C and a humidity of 65 ± 5% (hereinafter referred to as "room temperature" Were left in the experiment for 72 hours after painting.
경화성 평가Hardenability evaluation
로고용 도료 조성물을 적용기재(TOP도막)에 Silk Screen한 후, 수은 Lamp를 이용하여 500~1000(mJ)로 경화시킨 후에, 손톱 스크래치로 로고용 도료 조성물의 경화성을 평가하였다.After the coating composition for the logo was silk screened on the substrate (TOP coating), it was cured to 500 to 1000 (mJ) using a mercury lamp, and then the curability of the coating composition for the logo was evaluated by nail scratching.
부착성 평가Adhesion evaluation
로고용 도료 조성물을 적용기재(TOP도막)에 Silk Screen한 후, 수은 Lamp를 이용하여 500~1000(mJ)로 경화시킨 후에, 경화된 도막에 크로스 컷팅(Cross Cutting) 테스트 방법을 실시하였으며, 이때 유리 테이프를 사용하였다. 시편에 형성된 막 또는 층을 1mm*1mm 크기로 100개의 바둑판 모양의 절편으로 절단한 후 절편 상에 유리 테이프를 부착한 후 떼어내어 떨어지는 절편의 개수를 측정하여 부착성을 평가하였다.The logo coating composition was silk screened on the substrate (TOP coating), cured by mercury lamp to 500 ~ 1000 (mJ), then cross-cut test method was applied to the cured coating. Glass tape was used. The film or layer formed on the specimen was cut into 100 checkerboard pieces with a size of 1 mm * 1 mm, a glass tape was attached on the pieces, and the number of detached fragments was measured to evaluate the adhesion.
경도 평가Hardness evaluation
경도 평가는 미쓰비시 연필을 사용해 45°경사, 1Kg 하중을 적용하여 2cm 이동시 도막의 이상 여부를 평가하였다.The hardness was evaluated by using a Mitsubishi pencil at an angle of 45 ° and applying a load of 1 kg to determine whether the coating was abnormal when moving 2 cm.
내용제성 평가Evaluation of solvent resistance
거즈에 MEK(methyl ethyl ketone)을 묻힌 후, 거즈를 도막이 형성된 시편에 일정한 힘을 가해 문지른 후, 도막이 벗겨져 기재가 드러날 때까지 문지르는 횟수를 측정하였다.
After gluing MEK (methyl ethyl ketone) on the gauze, the gauze was rubbed against the coated specimen with a certain force, and the number of rubbing was measured until the coating peeled off and the substrate was exposed.
표 1 은 로고용 도료 조성물의 성분 및 함량을 나타낸 것이다.Table 1 shows the composition and content of the coating composition for logos.
표 2 내지 4 는 로고용 도료 조성물의 물성평가 결과를 나타낸 것이다.
Tables 2 to 4 show evaluation results of physical properties of the coating composition for logos.
표 2 내지 4의 로고용 도료 조성물의 물성평가 결과에서 알 수 있듯이, 로고용 도료 조성물은, 10마이크론 도막두께에서 광량을 800mJ/cm^2 적용해야 최적의 요구 물성을 만족하는 것을 확인할 수 있다.
아울러, 하기 표5는 상기 표1에 따른 배합 형태로 제조된 로고용 도료 조성물을 기준으로 Cycloaliphatic Epoxide의 중량부 수준 변화에 따른 물성평가 결과를 나타내고 있다.
또한, 하기 표6은 상기 표1에 따른 배합 형태로 제조된 로고용 도료 조성물을 기준으로 Hexanediol Diacrylate의 중량부 수준 변화에 따른 물성평가 결과를 나타내고 있다.
Table 5 below shows the physical property evaluation results of the cycloaliphatic Epoxide according to the change of the weight part level based on the coating composition for logos prepared in the form of formulation shown in Table 1 above.
Table 6 below shows the results of physical property evaluation according to the change in the weight level of hexanediol diacrylate based on the coating composition for logos produced in the form of formulation shown in Table 1 above.
이하, 본 발명에 따른 로고 도료 조성물을 이용한 코팅 방법에 대해 설명한다.Hereinafter, a coating method using the logo coating composition according to the present invention will be described.
먼저, 광개시제, 우레탄 아크릴레이트 올리고머, Cycloaliphatic Epoxide, Hexanediol Diacrylate를 이용한 로고용 도료 조성물을 제조한다.(A단계)First, a coating composition for a logo is prepared using a photoinitiator, a urethane acrylate oligomer, a cycloaliphatic Epoxide, and a hexanediol diacrylate. (Step A)
여기서, 상기 A단계에서 제조되는 로고용 도료 조성물은, 라디칼광개시제 2 내지 5중량부와; 양이온광개시제 2 내지 5중량부와; 6관능 우레탄 아크릴레이트 올리고머 20 내지 30중량부와; Cycloaliphatic Epoxide 20 내지 30중량부와; Hexanediol Diacrylate 10 내지 20중량부;를 포함한다.Here, the coating composition for a logo produced in the step (A) comprises 2 to 5 parts by weight of a radical photoinitiator; 2 to 5 parts by weight of a cationic photoinitiator; 20 to 30 parts by weight of a hexafunctional urethane acrylate oligomer; 20 to 30 parts by weight of cycloaliphatic Epoxide; 10 to 20 parts by weight of hexanediol diacrylate.
또한, 상기 로고용 도료 조성물에는 분산제 1 내지 2중량부가 첨가되며, 흑색안료 6 내지 10중량부가 첨가되고, 레벨링제 1 내지 2중량부 및 소포제 0.5 내지 1 중량부가 첨가된다.Further, 1 to 2 parts by weight of a dispersing agent is added to the coating composition for a logo, 6 to 10 parts by weight of a black pigment is added, 1 to 2 parts by weight of a leveling agent and 0.5 to 1 part by weight of a defoaming agent are added.
다음, 상기 A단계에서 제조된 로고용 도료 조성물을 TOP도막(2K U/T)에 코팅한다.(B단계)Next, the logo coating composition prepared in the step A is coated on the TOP coating (2K U / T). (Step B)
여기서, 상기 B단계에서 TOP도막에 코팅 시에는 Silk Screen 코팅방법으로 하는 것이 바람직하며, 더 자세하게는 420MESH로 작업하는 것이 가장 바람직하다.Here, when coating the TOP coating in the step B, it is preferable to use a silk screen coating method. More specifically, it is most preferable to work with 420 MESH.
다음, 상기 B단계에서 코팅한 것을 UV(Hg Lamp) 경화기로 경화한다.(C단계)Next, the coating in the step B is cured by a UV (Hg Lamp) curing machine. (Step C)
여기서, 상기 C단계는, UV 경화기를 500 내지 1000(mJ)의 광량으로 작동시켜 코팅층을 경화시키는 단계이며, 가장 바람직하게는, 800mJ의 광량으로 경화하는 단계로 마련될 수 있다.
Here, the step C is a step of curing the coating layer by operating the UV curing unit at a light amount of 500 to 1000 (mJ), and most preferably, the curing step is performed at a light amount of 800 mJ.
전술한 바와 같이, 본 발명에 따른 로고용 도료 조성물 및 이를 이용한 코팅 방법은, 기존 2K 솔벤트타입 대신 UV 경화 시스템 타입의 로고용 도료 조성물을 구현함으로써, 부착성 및 경도, 내용제성 우수하면서도 UV 경화시스템을 이용하여 바로 건조가 가능하기 때문에 에너지를 절감할 수 있으며, 생산효율이 우수한 효과가 있다.As described above, the logo coating composition and the coating method using the same according to the present invention can realize a logo coating composition of the UV curing system type instead of the conventional 2K solvent type, It is possible to reduce the energy, and the production efficiency is excellent.
또한, 솔벤트를 사용하고 있지 않기 때문에 UV경화 후 건조 도막에 표면잔취가 전혀 없는 친환경적이라는 효과가 있다.
In addition, since no solvent is used, there is an effect that the surface of the dry film after UV curing is environmentally friendly without any surface residue.
이상, 본 발명은 비록 한정된 실시예에 의해 설명되었으나, 본 발명의 기술적 사상은 이러한 것에 한정되지 않으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해, 본 발명의 기술적 사상과 하기 될 특허청구범위의 균등범위 내에서 다양한 수정 및 변형 실시가 가능할 것이다.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. Various modifications and variations may be made without departing from the scope of the appended claims.
Claims (11)
라디칼광개시제 2 내지 5중량부;
양이온광개시제 2 내지 5중량부;
6관능 우레탄 아크릴레이트 올리고머 20 내지 30중량부;
Cycloaliphatic Epoxide 25중량부; 및
Hexanediol Diacrylate 15중량부; 를 포함하며,
상기 로고용 도료 조성물에는 분산제 1 내지 2중량부, 흑색안료 6 내지 10중량부, 레벨링제 1 내지 2중량부, 소포제 0.5 내지 1 중량부가 첨가될 수 있으며,
상기 로고용 도료 조성물은 TOP도막에 코팅 및 경화되어 코팅막을 형성할 경우, 도막두께 10마이크론을 기준으로 UV경화기를 이용해 800 mJ/cm2의 광량으로 경화되어 코팅막을 형성하는 것을 특징으로 하는
로고용 도료 조성물.TOP A coating composition for a logo which forms a coating film adhering to a coating film,
2 to 5 parts by weight of a radical photoinitiator;
2 to 5 parts by weight of a cationic photoinitiator;
20 to 30 parts by weight of a hexafunctional urethane acrylate oligomer;
Cycloaliphatic Epoxide 25 parts by weight; And
Hexanediol Diacrylate 15 parts by weight; / RTI >
1 to 2 parts by weight of a dispersing agent, 6 to 10 parts by weight of a black pigment, 1 to 2 parts by weight of a leveling agent and 0.5 to 1 part by weight of an antifoaming agent may be added to the coating composition for logos,
When the coating composition for a logo is coated and cured on a TOP coating to form a coating film, the coating composition is cured at a light amount of 800 mJ / cm 2 using a UV curing machine based on a coating film thickness of 10 microns
Coating composition for logos.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100400525B1 (en) | 1996-04-09 | 2004-04-01 | 주식회사 엘지화학 | Photosetting acryl coating composition having excellent wear resistance |
| KR100731209B1 (en) * | 2006-04-14 | 2007-06-22 | 주식회사 유니테크 | Coating composition for ultraviolet curing and accessory ornaments using the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100400525B1 (en) | 1996-04-09 | 2004-04-01 | 주식회사 엘지화학 | Photosetting acryl coating composition having excellent wear resistance |
| KR100731209B1 (en) * | 2006-04-14 | 2007-06-22 | 주식회사 유니테크 | Coating composition for ultraviolet curing and accessory ornaments using the same |
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