KR100380089B1 - A adhesive composition for aluminium members - Google Patents

A adhesive composition for aluminium members Download PDF

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KR100380089B1
KR100380089B1 KR10-2000-0085041A KR20000085041A KR100380089B1 KR 100380089 B1 KR100380089 B1 KR 100380089B1 KR 20000085041 A KR20000085041 A KR 20000085041A KR 100380089 B1 KR100380089 B1 KR 100380089B1
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South Korea
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adhesive composition
aluminum
epoxy resin
dicyandiamide
aluminum member
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KR10-2000-0085041A
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Korean (ko)
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KR20020055813A (en
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김대영
이한석
최천행
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현대자동차주식회사
서일화학 주식회사
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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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C09J163/06—Triglycidylisocyanurates
    • 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
    • C09J9/02—Electrically-conducting adhesives
    • 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
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/16—Metal

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

알루미늄 부재용 접착제 조성물이 개시된다. 개시된 알루미늄 부재용 접착제 조성물은, 에폭시 수지를 주성분으로 하고, 경화제인 다이시안다이아미드와, 촉진제, 충진제, 및 첨가제가 함유되어 알루미늄 부재를 접착하는 알루미늄 부재용 접착제 조성물에 있어서, 상기 에폭시 수지는 40∼45wt%, 상기 다이시안다이아미드는 3∼10wt%가 함유되고, 여기에 접착성을 부여하는 코어 쉘 아크릴 파우더가 10∼15wt% 함유되어 이루어진 것을 그 특징으로 한다. 알루미늄 피착재에서도 우수한 접착 강도를 얻을 수 있는 이점이 있다.An adhesive composition for an aluminum member is disclosed. The disclosed adhesive composition for an aluminum member comprises an epoxy resin as a main component, and an adhesive composition for an aluminum member comprising a dicyandiamide as a curing agent, an accelerator, a filler, and an additive to adhere the aluminum member, wherein the epoxy resin is 40 It is characterized by consisting of -45 wt% and the said dicyandiamide, and 3-10 wt% contain, and 10-15 wt% of the core-shell acryl powder which gives adhesiveness to it. There is an advantage that excellent adhesive strength can be obtained even in an aluminum adherend.

Description

알루미늄 부재용 접착제 조성물{A ADHESIVE COMPOSITION FOR ALUMINIUM MEMBERS}Adhesive composition for aluminum members {A ADHESIVE COMPOSITION FOR ALUMINIUM MEMBERS}

본 발명은 알루미늄 부재용 헤밍실러(hemming sealer) 조성물에 관한 것으로서, 보다 상세하게는 접착 강도가 향상되도록 개선된 알루미늄 부재용 접착제 조성물에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hemming sealer composition for aluminum members, and more particularly, to an adhesive composition for aluminum members that is improved to improve adhesive strength.

차량에 있어서, 차체의 패널 단부를 뒤집어 꺾은 것을 헴(hem)이라고 한다. 예컨대, 도어의 아웃터 패널의 끝부분이 보통 상기와 같이 형성되어 있다. 이와 같이 평탄한 패널에 상기 헴을 만드는 것을 헤밍 또는 헤밍 가공이라 한다.In a vehicle, the end of the panel end of the vehicle body turned over is called a hem. For example, the end portion of the outer panel of the door is usually formed as described above. Making the hem on such a flat panel is called hemming or hemming.

이러한 헴을 실링하는데 이용되는 헤밍실러는 차량의 차체 패널의 소재가 스틸(steel)로 이루어져 있기 때문에 에폭시 수지(epoxy resin)를 주성분으로 하고, 경화제(epoxy hardener), 촉진제, 충진제(filler), 첨가제가 함유되어 있다. 이 에폭시계 실러는 피착재의 소재가 철판인 경우에는 접착 강도가 약 200㎏/㎠ 이상이 되므로 접착력이 우수하게 나타난다.The hemming sealer used to seal such a hem is made of steel, and the main component of the vehicle body is epoxy resin, and it is mainly composed of epoxy resin, an epoxy hardener, an accelerator, a filler, an additive. Contains. This epoxy sealer exhibits excellent adhesive strength since the adhesive strength is about 200 kg / cm 2 or more when the material of the adherend is an iron plate.

한편, 차체의 경량화를 위해 개발된 알루미늄 차체가 현재 거의 양산단계에 이르고 있다.On the other hand, the aluminum body developed for the lighter weight of the body is currently nearing mass production.

그런데, 헤밍실러 조성물은 피착재가 상기와 같은 알루미늄인 경우에는 접착 강도가 약 150㎏/㎠ 이하로써 접착력이 약하기 때문에 접착제로서 이용이 어려운 문제점이 있다.However, the hemming sealer composition has a problem in that it is difficult to use as an adhesive because the adhesive strength is weak because the adhesive strength is about 150 kg / cm 2 or less when the adherend is aluminum as described above.

본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 알루미늄 부재의 접착 강도가 증대될 수 있도록 한 알루미늄 부재용 접착제 조성물을 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, and an object of the present invention is to provide an adhesive composition for an aluminum member so that the adhesive strength of the aluminum member can be increased.

상기와 같은 목적을 달성하기 위한 본 발명의 알루미늄 부재용 접착제 조성물은, 에폭시 수지를 주성분으로 하고, 경화제인 다이시안다이아미드와, 촉진제, 충진제, 및 첨가제가 함유되어 알루미늄 부재를 접착하는 알루미늄 부재용 접착제 조성물에 있어서, 상기 에폭시 수지는 40∼45wt%, 상기 다이시안다이아미드는 3∼10wt%가 함유되고, 여기에 접착성을 부여하는 코어 쉘 아크릴 파우더가 10∼15wt% 함유되어 이루어진 것을 그 특징으로 한다.Adhesive composition for aluminum members of the present invention for achieving the above object is for an aluminum member containing an epoxy resin as a main component, containing a dicyandiamide as a curing agent, an accelerator, a filler, and an additive to adhere the aluminum member. In the adhesive composition, 40 to 45 wt% of the epoxy resin, 3 to 10 wt% of the dicyandiamide is contained, and 10 to 15 wt% of the core shell acrylic powder imparting adhesion thereto. It is done.

이하, 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail.

본 발명에 따른 알루미늄 부재용 접착제 조성물은, 에폭시 수지(EPOXY RESIN)를 주성분으로 하고, 경화제(EPOXY HARDENER)인 다이시안다이아미드(DICYANDIAMIDE)와, 촉진제, 충진제(FILLER), 및 첨가제가 함유되어 알루미늄 부재를 접착하는 것으로, 상기 에폭시 수지는 40∼45wt%, 경화제인 다이시안다이아미드는 3∼10wt%가 함유되고, 여기에 접착성을 부여하는 코어 쉘 아크릴 파우더(CORE-SHELL ACRYL POWDER)가 10∼15wt% 함유되어 이루어진다.The adhesive composition for aluminum members which concerns on this invention contains epoxy resin (EPOXY RESIN) as a main component, and contains dicyandiamide (DICYANDIAMIDE) which is a hardening agent (EPOXY HARDENER), an accelerator, a filler (FILLER), and an additive, and contains aluminum By adhering the member, the epoxy resin is 40 to 45wt%, dicyandiamide, which is a curing agent, is contained 3 to 10wt%, the core shell acrylic powder (CORE-SHELL ACRYL POWDER) to impart adhesion thereto is 10 It consists of -15 wt%.

그리고 상기 촉진제로 이미다졸(IMIDAZOLE)이 2∼5wt%, 상기 충진제로 CaCO3 및 실리카(SILICA)가 각각 5∼15wt%, 상기 첨가제로 CaO 및 에폭시화대두유가 각각 2∼5wt%로 함유된다.2 to 5 wt% of imidazole (IMIDAZOLE) as the accelerator, 5 to 15 wt% of CaCO 3 and silica (SILICA) as the filler, and 2 to 5 wt% of CaO and epoxidized soybean oil, respectively.

또한 도전성 및 재료의 색상을 부여하기 위한 카본 블랙(CARBON BLACK) 또는 카본 0.2∼3wt% 포함하여 된다.In addition, 0.2 to 3 wt% of carbon black or carbon for imparting conductivity and color of materials may be included.

그리고 점도를 조정하기 위해 희석제가 3∼6wt% 포함하여 된다. 여기서 상기 희석제는 피피지디지이 타입(PPGDGE TYPE)이다.And in order to adjust a viscosity, 3-6 weight% of diluents are contained. Wherein the diluent is a PPGDGE TYPE.

상기 코어 쉘 아크릴 파우더의 화학식은 아래와 같다.The chemical formula of the core shell acrylic powder is as follows.

이와 같이 이루어진 본 발명에 따른 알루미늄 부재용 접착제 조성물에서 상기 에폭시 수지는 본 발명의 조성물의 주성분이며 중요 물성을 부여한다. 그리고 상기 경화제는 접착성을 부여하고, 촉진제는 경화를 촉진시키며, 충진제는 작업성 및 충진성을 부여하게 된다.In the adhesive composition for an aluminum member according to the present invention made as described above, the epoxy resin is the main component of the composition of the present invention and imparts important physical properties. In addition, the curing agent imparts adhesion, the accelerator promotes curing, and the filler imparts workability and filling properties.

또한 상기 코어 쉘 아크릴 파우더는 접착성을 부여하는 물질로 작용하고, 카본 블랙은 도전성 및 재료에 색상을 부여한다. 그리고 첨가제는 습기 제거 및 안정제 역할을 하게되고, 희석재는 점도를 조정하게 된다.In addition, the core shell acrylic powder acts as a material for imparting adhesion, and carbon black imparts color to conductivity and material. And the additive serves to remove moisture and stabilizer, and the diluent adjusts the viscosity.

상기와 같이 작용되는 물질로 조성된 본 발명에 따른 알루미늄 부재용 접착제 조성물은 알루미늄 부재의 피착재에 있어서도 접착 강도가 200㎏/㎠이상이 된다.Adhesive composition for an aluminum member according to the present invention composed of a material that acts as described above has an adhesive strength of 200kg / cm 2 or more even in the adherend of the aluminum member.

이를 입증하기 위해 상기의 표 1과 같은 실험을 실시하고 결과를 얻었다.In order to prove this, the experiment was performed as shown in Table 1 above, and the results were obtained.

상기 표 1에 기재된 바와 같이 스틸용 접착제 조성물에 비해 본 발명에 따른 알루미늄 부재용 접착제 조성물이 모든 시험항목에서 우수한 결과가 도출되는 것을 알 수 있다.As shown in Table 1, it can be seen that the adhesive composition for the aluminum member according to the present invention is excellent in all the test items as compared to the adhesive composition for steel.

상술한 바와 같이 본 발명에 따른 알루미늄 부재용 접착제 조성물은 다음과 같은 효과를 갖는다.As mentioned above, the adhesive composition for aluminum members which concerns on this invention has the following effects.

코어 쉘 아크릴 파우더를 이용하여 알루미늄 피착재에서도 200㎏/㎠ 이상 되는 우수한 접착 강도를 얻을 수 있다.By using the core shell acrylic powder, excellent adhesive strength of 200 kg / cm 2 or more can be obtained even in an aluminum adherend.

본 발명은 일 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 보호 범위는 첨부된 특허청구범위에 의해서만 정해져야 할 것이다.Although the present invention has been described with reference to one embodiment, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (4)

에폭시 수지를 주성분으로 하고, 경화제인 다이시안다이아미드와, 촉진제, 충진제, 및 첨가제가 함유되어 알루미늄 부재를 접착하는 알루미늄 부재용 접착제 조성물에 있어서,In the adhesive composition for aluminum members which has an epoxy resin as a main component and contains the dicyandiamide which is a hardening | curing agent, an accelerator, a filler, and an additive, and adhere | attaches an aluminum member, 상기 에폭시 수지는 40∼45wt%, 상기 다이시안다이아미드는 3∼10wt%가 함유되고, 여기에 접착성을 부여하는 코어 쉘 아크릴 파우더가 10∼15wt% 함유되어 이루어진 것을 특징으로 하는 알루미늄 부재용 접착제 조성물.40 to 45 wt% of the epoxy resin, 3 to 10 wt% of the dicyandiamide is contained, and 10 to 15 wt% of the core shell acrylic powder imparting adhesion thereto. Composition. 제1항에 있어서, 상기 촉진제로 이미다졸이 2∼5wt%, 상기 충진제로 CaC03 및 실리카가 각각 5∼15wt%, 상기 첨가제로 CaO 및 에폭시화대두유가 각각 2∼5wt%로 함유되는 것을 특징으로 하는 알루미늄 부재용 접착제 조성물.The method of claim 1, wherein the accelerator contains 2 to 5 wt% of imidazole, 5 to 15 wt% of CaC03 and silica as the filler, and 2 to 5 wt% of CaO and epoxidized soybean oil, respectively, as the additives. Adhesive composition for aluminum members. 제1항에 있어서, 도전성 및 재료의 색상을 부여하기 위한 카본이 0.2∼3wt% 포함하여 된 것을 특징으로 하는 알루미늄 부재용 접착제 조성물.The adhesive composition for an aluminum member according to claim 1, wherein 0.2 to 3 wt% of carbon for imparting conductivity and color of the material is contained. 제1항에 있어서, 점도를 조정하기 위해 희석제가 3∼6wt% 포함하여 된 것을 특징으로 하는 알루미늄 부재용 접착제 조성물.The adhesive composition for aluminum members of Claim 1 containing 3-6 weight% of diluents in order to adjust a viscosity.
KR10-2000-0085041A 2000-12-29 2000-12-29 A adhesive composition for aluminium members KR100380089B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212852A2 (en) * 1985-07-18 1987-03-04 A.TE.CA. S.r.l. Two-component epoxy base adhesive composition
KR930003241A (en) * 1991-07-02 1993-02-24 이헌조 Manufacturing method of semiconductor device
KR100315133B1 (en) * 1998-09-22 2002-02-19 송수혁 Film-type epoxy adhesive composition and its manufacturing method
KR100357583B1 (en) * 2000-08-22 2002-10-18 현대자동차주식회사 Adhesive composition for automobile hem flange structures and process for manufacturing automobile hem flange structures using same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212852A2 (en) * 1985-07-18 1987-03-04 A.TE.CA. S.r.l. Two-component epoxy base adhesive composition
KR930003241A (en) * 1991-07-02 1993-02-24 이헌조 Manufacturing method of semiconductor device
KR100315133B1 (en) * 1998-09-22 2002-02-19 송수혁 Film-type epoxy adhesive composition and its manufacturing method
KR100357583B1 (en) * 2000-08-22 2002-10-18 현대자동차주식회사 Adhesive composition for automobile hem flange structures and process for manufacturing automobile hem flange structures using same

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