KR100575009B1 - Sealant composition capable of being adhered vehicle panels of multiple properties - Google Patents

Sealant composition capable of being adhered vehicle panels of multiple properties

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Publication number
KR100575009B1
KR100575009B1 KR1020030040447A KR20030040447A KR100575009B1 KR 100575009 B1 KR100575009 B1 KR 100575009B1 KR 1020030040447 A KR1020030040447 A KR 1020030040447A KR 20030040447 A KR20030040447 A KR 20030040447A KR 100575009 B1 KR100575009 B1 KR 100575009B1
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South Korea
Prior art keywords
epoxy resin
modified epoxy
panels
weight
panel
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KR1020030040447A
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Korean (ko)
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KR20030059053A (en
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주후령
윤재성
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헨켈코리아 주식회사
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Priority to KR1020030040447A priority Critical patent/KR100575009B1/en
Publication of KR20030059053A publication Critical patent/KR20030059053A/en
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Publication of KR100575009B1 publication Critical patent/KR100575009B1/en

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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
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0607—Rubber or rubber derivatives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/063—Polyacrylonitriles

Abstract

본 발명은 자동차의 내,외판 패널의 접착을 위한 실런트에 관한 것으로서, 환경문제 해결 및 차량경량화를 위하여 차량 판넬 소재인 기존의 냉연강판 또는 갈바나이저 패널을 알루미늄 패널로 교체함에 따라 냉연강판 패널과 갈바나이저 패널은 물론 알루미늄 패널의 접착도 가능한 복합용도의 충전제를 제공코저하는 것이다.The present invention relates to a sealant for adhesion between interior and exterior panels of automobiles. In order to solve environmental problems and reduce vehicle weight, cold rolled steel panels and galvans are replaced by replacing existing cold rolled steel plates or galvanizer panels with aluminum panels. It is to provide a composite filler that can be bonded to the aluminum panel as well as to the niger panel.

알루미늄 패널에 접착력이 우수한 아크릴고무 또는 니트릴 고무(NBR)변성 에폭시수지와, 카복시 터미네이티드 부타디엔 아크릴로니트릴 코폴리머(CTBN)변성 에폭시수지와, 접착성 및 강도가 우수한 액상의 비스페놀 A형 에폭시수지를 주성분으로 하고 거기에 차체 조립시 물리적인 접착력과 내구성을 부여하기 위하여 그라스비드를 첨가하고, 거기에 공지된 플라스틱 첨가제 및 에폭시수지용 경화제를 첨가하여 페이스트상 실런트 조성물을 얻고 이를 냉연강판 및 갈바나이저 강판은 물론 알루미늄으로 된 어떤 소재의 차량 패널의 내외판에도 통상의 방법으로 도포하게되면 차량의 도장 건조시에 가열, 경화되어 우수한 접착력을 갖도록한 것이다.Acrylic rubber or nitrile rubber (NBR) modified epoxy resin with excellent adhesion to aluminum panels, carboxy-terminated butadiene acrylonitrile copolymer (CTBN) modified epoxy resin, liquid bisphenol A epoxy resin with excellent adhesion and strength Is added as a main ingredient and glass beads are added to give physical adhesiveness and durability when assembling the car body, and there are known plastic additives and curing agents for epoxy resins to obtain a paste-like sealant composition, which is then cold rolled steel sheet and galvanizer When applied to the inner and outer plates of the vehicle panel of any material of steel as well as the steel sheet in a conventional manner, it is heated and cured during painting drying of the vehicle to have excellent adhesion.

Description

다양한 재질의 차체 패널을 접착할 수 있는 충전제 조성물{Sealant composition capable of being adhered vehicle panels of multiple properties}Sealant composition capable of bonding body panels of various materials

본 발명은 차체를 구성하는 내외 패널의 접착용 충전제(실런트) 조성물에 관한 것으로서, 특히 차체를 이루는 패널의 재질이 냉연강판이던, 알루미늄이던, 갈바나이저던 어떤 재질의 패널로 이루어져 있더라도 그것들의 내외 패널에 충전 및 접착이 가능한 충전제(sealant) 조성물에 관한 것이다.The present invention relates to an adhesive filler (sealant) composition for the interior and exterior panels constituting the vehicle body, and in particular, even if the panel constituting the vehicle body is made of a panel of any material, such as cold rolled steel, aluminum, galvanizer The present invention relates to a sealant composition capable of filling and adhering to an adhesive.

현재까지는 차체의 패널이 대부분 냉연강판이나 갈바나이저 강판으로 되어있으나 차량의 경량화를 위해 차량의 후드(hood), 트렁크리드(Trunk-lid), 도어 (door) 및 루프(Roof)나 또는 차량을 구성하는 패널의 대부분을 알루미늄 패널로 대체하는 경우에는 종래의 냉연강판이나 갈바나이저 패널로 된 차체의 내외 패널에 적용하던 충전제는 접착성이 약하여 적용이 어려웠었다. 즉 순수 알루미늄 패널만으로 구성된 차체나, 냉연강판이나 알루미늄 패널 또는 갈바나이저 패널등 복합적인 재질의 패널로 이루어진 차체에는 종래의 냉연강판용 충전제로는 접착성이 약하기때문에 도장 건조로에서 가열경화시 균열 발생은 물론 부풀음 현상이 발생하고 접착력이 저하되는 등 차량의 품질저하 요인이 되었으며 또한 이로인한 차체의 다양한 설계의 어려움 및 구조 변경에 따른 비용증가등의 요인도 되었었다.Until now, most of the panels of the body are made of cold rolled steel sheet or galvanized steel sheet, but to reduce the weight of the vehicle, the vehicle's hood, trunk lid, door and roof or the vehicle In the case of replacing most of the panel with an aluminum panel, the filler applied to the interior and exterior panels of the car body made of conventional cold rolled steel sheets or galvanizer panel was difficult to apply because of the weak adhesive. In other words, in the case of a body made of pure aluminum panels only, or a body made of a composite material such as a cold rolled steel sheet, an aluminum panel, or a galvanizer panel, the conventional cold rolled filler is poor in adhesiveness. This caused the deterioration of the vehicle quality such as swelling and deterioration of adhesive force, and also caused difficulties in various designs of the body and increased cost due to structural changes.

본 발명은 상기와 같은 문제점을 해결하여 차체의 냉연강판 패널이나 알루미늄 패널 또는 갈바나이저 패널 모두에 적용할 수 있는 접착성을 갖는 충전제 조성물을 제공코저하는 것으로서, 특히 물리적인 접착 및 내구성을 향상시키는 그라스비드를 함유한 고점도 페이스트상의 충전제 조성물로서 알루미늄 패널은 물론 기존의 냉연강판 및 갈바나이저 강판에도 사용이 가능하고, 차체 조립전 패널 접합부의 접합 초기에도 물리적인 접착력을 유지함은 물론 경화후에도 강력한 접착력을 갖게하여 접합부의 강도 및 내구성을 현저히 향상시키게 하며, 때로는 본 발명 충전제로 스포트 용접(spot welding)을 대신할 수도 있으며 방청효과도 향상시킬 수 있는 다양한 재질의 차체 패널을 접착할 수 있는 충전제 조성물을 제공코저하는 것으로서 이를 실례를 들어 상세히 설명하면 다음과 같다.
The present invention is to solve the above problems to provide a filler composition having an adhesive that can be applied to both the cold rolled steel panel, aluminum panel or galvanizer panel of the vehicle body, in particular to improve the physical adhesion and durability As a high viscosity paste-like filler composition containing glass beads, it can be used not only on aluminum panels but also on existing cold rolled steel and galvanizer steel sheets. In order to significantly improve the strength and durability of the joint, and sometimes replace the spot welding (spot welding) with the filler of the present invention and to provide a filler composition that can bond the body panels of various materials that can also improve the rust prevention effect Take this as an example Described in detail as follows.

본 발명은 액상의 니트릴 부타디엔 고무(NBR : Nitril Butadiene Rubber)나 실리콘 변성 에폭시수지 또는 ATBN(Amine-terminated butadiene acrylonitrile copolymer)변성 에폭시수지나 CTBN(Carboxy-terminated butadiene acrylonitrile copolymer)변성 에폭시수지 중에서 선택된 어느 하나의 변성 에폭시수지, 다이머(Dimer)변성 에폭시수지 3~10중량%, 비스페놀(Bisphenol)-F형 에폭시수지 또는 비스페놀(Bisphenol)-A형 에폭시수지중에서 선택된 어느 하나의 에폭시수지, 흡습제로서 산화칼슘(CaO, 95%이상), 충전제로서 코팅 및 비코팅 탄산칼슘, 탈크, 실리카, 산화아연 분말중에서 선택된 1종이나 2종, 보강제의 중량을 경량화하기 위한 글라스버블, 도전제겸 착색제인 카본블랙, 잠재성 에폭시경화제로서 디시안디아미드(Dicyandiamide)나 디시안디아미드 변성품 중에서 선택된 1종이나 2종, 경화 촉진제로서 이미다졸(Imidasol), 발포제로서 캡슐형 발포제 및 희석제로서 하이드로 카본계인 디운데실프탈레이트나 디옥틸프탈레이트(DOP)를 첨가한 것으로 구성된 차체 구조물 접착용 충전제 조성물에 있어서,
상기 액상의 니트릴 부타디엔고무 대용으로 아크릴고무(Acrylic rubber) 또는 니트릴 부타디엔고무(NBR : Nitril Butadiene Rubber)의 변성 에폭시수지를 상기 전체 충전제 조성물에 대하여 10~23중량%, 상기 글라스버블 대용으로 물리적인 접착특성, 내구성 및 강도증진을 위한 그라스비드(Glass beads)를 상기 전체 충전제 조성물에 대하여 2~6중량% 및 희석제로서 상기 디운데실프탈레이트나 DOP대용으로 반응성 희석제인 카르복시 글리시딜 에스테르를 상기 전체 조성물에 대하여 5~12중량%를 첨가하여 점도가 700,000±300,000 CPS/20℃(점도계:BROOKFI-ELD, RVDVⅡ)인 페이스트상의 충전제 조성물을 얻는 것으로 구성된다.The present invention is any one selected from liquid nitrile butadiene rubber (NBR) or silicone modified epoxy resin, ATBN (Amine-terminated butadiene acrylonitrile copolymer) modified epoxy resin or CTBN (Carboxy-terminated butadiene acrylonitrile copolymer) modified epoxy resin Modified epoxy resin, dimer modified epoxy resin 3-10% by weight, bisphenol (Fisphenol) -F epoxy resin or bisphenol (Bisphenol) -A epoxy resin selected from any one of the epoxy resin, calcium oxide as a moisture absorbent ( CaO, 95% or more), one or two selected from coated and uncoated calcium carbonate, talc, silica, and zinc oxide powder as fillers, glass bubble to reduce the weight of the reinforcing agent, carbon black as a conductive agent and a colorant, and latent potential As epoxy curing agent, one or two selected from dicyandiamide or dicyandiamide modified products, and as a curing accelerator, In the imidazole (Imidasol), as a capsule type blowing agent as the blowing agent and diluent sealed hydrocarbon di-undecyl phthalate or di-vehicle body structures bonded filler composition configured to be added with dioctyl phthalate (DOP),
10-23% by weight of modified epoxy resin of acrylic rubber or nitrile butadiene rubber (NBR: Nitril Butadiene Rubber) in place of the liquid nitrile butadiene rubber, and physically adhesive in place of the glass bubble 2 to 6% by weight of glass beads for improving properties, durability and strength, and carboxyglycidyl ester which is a reactive diluent in place of the diundecyl phthalate or DOP as the diluent It is comprised by adding 5-12 weight% with respect to the paste form filler composition whose viscosity is 700,000 +/- 300,000 CPS / 20 degreeC (viscosity: BROOKFI-ELD, RVDVII).

본 발명은 고강도의 조성물을 제조하기 위하여 니더나 3본 로러 또는 하이스피드 믹서등을 이용하여 혼합하면 더욱 좋고 상기에서 각종 액상의 수지를 혼합한후 거기에 무기질 충전제를 분산시킨 다음 나머지 첨가제를 넣어 광택과 흐름이 일정한 균질의 페이스트상 조성물을 만든후 감압하에서 내부의 공기와 수분을 제거한다음, 저장 및 사용한다.The present invention is better to mix using a kneader, three rollers or a high speed mixer in order to prepare a high-strength composition, and after mixing various liquid resins, the inorganic filler is dispersed therein and then the remaining additives are added to the gloss. After making a homogeneous paste-like composition with a constant flow, remove the air and moisture under reduced pressure, and then store and use.

이상과 같이 얻어진 본 발명 차체 패널 접착용 충전제는 에어 핸드건(Air-hand gun)또는 압송펌프를 사용하여 자동차 패널의 표면의 방청유 및 프레스 (press)유가 도포된 패널상에 도포하게되면 차체 패널의 조립중에 흐름이나 이동이 없이 정착하게 된다.When the filler for bonding the vehicle body panel of the present invention obtained as described above is applied on a panel coated with the rust-preventive oil and the press oil on the surface of the automobile panel by using an air-hand gun or a pressure pump, Settle without flow or movement during assembly.

상기에서 아크릴고무나 NBR변성 에폭시수지는 니트릴 부타디엔고무(NBR)에 비하여 접착력과 점도가 우수함은 물론 내충격성을 부여하는 특징이 있는 것으로서 그 첨가량은 10중량% 미만이면 접착력 및 내충격성이 저하되고, 23중량%을 넘으면 접착력은 증가하나, 점도 안정성이 저하되게 된다.
상기에서 글라스버블대용으로 사용된 그라스비드는 고발포성의 캡슐형 발포제에 의해 발포성이 충분하므로 내부가 비어 있어서 발포효과가 있는 글라스버블을 굳이 사용할 필요가 없는데다가 본 발명에서는 속이 차 있어서 그라스비드를 사용하므로서 물리적 접착력이 좋고 내구성 및 강도증진효과를 얻기 위한 것으로서 그 첨가량은 2중량% 미만이면 물리적인 강도가 저하되어 그것의 첨가 효과를 얻기 어려우며, 6중량% 이상이면 분산성이 저하되고 강도가 낮아짐은 물론이고 토출성도 불균일하게 되며, 상기에서 하이드로 카본계인 디운데실프탈레이트나 DOP대신 사용하는 반응성 희석제인 카르복실 글리시딜 에스테르는 단순한 희석용과는 달리 본 발명 조성물로 충전제를 제조시에 탁월한 가공성을 갖게되어 차체의 패널에 부착시에 가공성을 원활하게 해주는 것으로서 그 첨가량은 5중량% 미만이면 점성에는 영향을 주지 않지만 가공성이 저하되며, 12중량% 이상이면 점성과 가공성은 좋으나 유동성 및 접착강도가 저하되는 결점을 갖게 된다.
여기에서 참고로 본 발명 조성물에서 상기한 바와 같은 통상적으로 사용되는 물질의 첨가량을 열거해 보면, ATBN이나 CTBN변성 에폭시수지는 5중량% 미만이면 저온충격성이 부족하여 접착층이 박리될 염려가 있고, 15중량% 이상이면 점탄성은 증가하나, 고점성의 특성으로 작업성 및 토출성이 저하되기 쉬우며, 다이머 변성 에폭시수지는 3중량% 미만이면 가공성의 저하와 유연성이 낮아질 수 있고 10중량% 이상이면 수직부위 적용시 유동성이 심하여 쉽게 흘러내리게 되며 동시에 패널이 변형되는 문제가 있게된다. 비스페놀 F형이나 A형 에폭시수지는 5중량% 미만이면 패널에 대한 접착력이 저하될 우려가 있고, 16중량% 이상이면 접착강도의 상승으로 접착상태가 오히려 저하되고 경도의 상승으로 박리 및 균열 현상이 발생할 우려가 있다.The acrylic rubber or NBR modified epoxy resin is excellent in adhesive strength and viscosity as compared to nitrile butadiene rubber (NBR) as well as imparting impact resistance. If the amount is less than 10% by weight, the adhesive strength and impact resistance are deteriorated. If it exceeds 23% by weight, the adhesive force is increased, but the viscosity stability is lowered.
The glass beads used in the above-mentioned glass bubble substitutes are sufficiently foamed by a high foaming capsule type foaming agent, so the interior is empty, so it is not necessary to use a glass bubble having a foaming effect. As a result, the physical adhesion is good and durability and strength enhancement effect is achieved. If the amount is less than 2% by weight, the physical strength is lowered and it is difficult to obtain the addition effect. If the content is more than 6% by weight, the dispersibility is lowered and the strength is low. Of course, the discharge properties are also nonuniform, and the carboxyl glycidyl ester, which is a reactive diluent used in place of the hydrocarbon diundecylphthalate or DOP, has excellent processability when preparing the filler with the composition of the present invention, unlike simple dilution. When we attach to panel of car body, we want workability As that makes the amount of addition is less than 5% by weight, the viscosity does not affect the workability is degraded, when more than 12% by weight of viscosity and workability will have a defect that the flowability and the adhesive strength lowered good or.
Here, when the addition amount of the conventionally used materials as described above in the present invention is enumerated, ATBN or CTBN modified epoxy resin is less than 5% by weight, there is a possibility that the adhesive layer is peeled off due to insufficient low-temperature impact properties, 15 Viscoelasticity is increased when the weight% or more, but the workability and ejectability is easy to be lowered due to the high viscosity characteristics, dimer-modified epoxy resin is less than 3% by weight can lower the workability and flexibility, 10% or more by weight vertical When applied, the fluidity is severe and can easily flow down, and at the same time there is a problem that the panel is deformed. If the bisphenol F or A epoxy resin is less than 5% by weight, the adhesive strength to the panel may be lowered. If the bisphenol F or A type epoxy resin is less than 16% by weight, the adhesion state is deteriorated due to the increase in the adhesive strength, and the peeling and cracking phenomenon is caused by the increase in the hardness. It may occur.

또한 흡습제는 1중량% 미만이면 조성물이 경화된 후 기포 및 핀홀등이 발생될 수 있고, 3중량%을 넘으면 경도가 증가하고 점도가 상승하게 되며 충전제는 15중량% 이하에서는 조성물의 체적 증가효과가 낮아지면서 경도가 떨어지며 40중량% 이상에서는 점성이 저하되고 작업성 및 토출성이 약한 결점이 있게되고, 또한 도전성 카본블랙은 2중량% 미만이면 도전성과 강도가 저하되게 되며 10중량% 이상이면 점도가 상승하여 작업성이 불양하면서 접착력과 안정성이 낮아지게 되며 잠재성 경화제로서 디시안디아미드나 디시안디아미드 변성품 및 경화촉진제인 이미다졸은 에폭시수지용 경화제 및 경화촉진제로서 공지된 것이나 본원에서 첨가량은 상기 각각의 제한된 양이하에서는 그 효과가 미약하고 각각 제한된 양 이상에서는 더 이상의 효과가 나타나지 않고 동일 또는 유사한 효과만 나타나게 되므로 상기 제한된 양이 가장 바람직한 것이다.In addition, when the moisture absorbent is less than 1% by weight, bubbles and pinholes may be generated after the composition is cured. When the moisture absorbent is more than 3% by weight, the hardness is increased and the viscosity is increased. The hardness is lowered and the hardness is lowered, and at 40 wt% or more, the viscosity is decreased, and workability and dischargeability are weak, and the conductive carbon black is less than 2 wt%, and the conductivity and strength are decreased. As the latent curing agent, dicyandiamide or dicyandiamide modified products and imidazole, which is a curing accelerator, are known as curing agents and curing accelerators for epoxy resins. Below each limited amount, the effect is weak, and above each limited amount there is no further effect. The above limited amounts are most preferred since only the same or similar effects will be seen.

이상과 같은 본 발명 차체 패널의 접합부 충전용 조성물은 상온에서 보관시에는 반응하지 않다가, 알루미늄 패널, 냉연강판 패널, 갈바나이저 패널들의 단독이나 그것들을 복합적으로 사용하는 경우에는 도장 건조로 통과전에는 물리적인 특성으로 접착 및 실링(sealing)부위의 안정된 초기접착력을 발휘하다가 도장 건조로 통과시에는 자동적으로 경화와 접착이 이루어지면서 그라스비드에 의해 차체의 구조적이고 물리적인 접착성과 수밀성과 기밀성 및 내구성을 부여하면서, 접착과 실링을 동시에 이루게되어 차체패널의 접합부를 높은 강도로 접착을 하게 되며 특히 냉연강판이나 갈바나이저 패널 및 알루미늄 패널등 이종 재료간의 접착시에도 접착 및 실링(sealing)효과가 우수하고 용접타점수도 감소되어 용접시의 타흔 수정등이 불필요하게 되며, 접합부의 응력 분산효과로 내구성이 향상되어 차량 생산 효율을 높이게 되며 따라서 차량의 외관을 미려하게 하는 효과를 얻게된다.The composition for filling the junction part of the vehicle body panel of the present invention as described above does not react at the time of storage at room temperature, but is physically before passing through paint drying in the case of using alone or a combination of aluminum panels, cold rolled steel panels, and galvanizer panels. It exhibits stable initial adhesion of adhesive and sealing parts due to its phosphorous properties, and then hardens and adheres automatically when passing through the paint drying system, thereby granting structural and physical adhesiveness, watertightness, airtightness and durability of the body by glass beads. At the same time, bonding and sealing are performed at the same time, and the joint of the body panel is bonded with high strength. Especially, when bonding different materials such as cold rolled steel plate, galvanizer panel, and aluminum panel, it has excellent adhesion and sealing effect and welding spot The number of teeth is reduced, and correction of the scars at the time of the welding becomes unnecessary, It improves the durability to the stress dispersion effect of the engagement nopyige the vehicle production efficiency, and thus has the effect that the elegant appearance of the vehicle.

Claims (1)

액상의 니트릴 부타디엔 고무(NBR : Nitril Butadiene Rubber)나 실리콘 변성 에폭시수지 또는 ATBN(Amine-terminated butadiene acrylonitrile copolymer)변성 에폭시수지나 CTBN(Carboxy-terminated butadiene acrylonitrile copolymer)변성 에폭시수지 중에서 선택된 어느 하나의 변성 에폭시수지, 다이머(Dimer)변성 에폭시수지 3~10중량%, 비스페놀(Bisphenol)-F형 에폭시수지 또는 비스페놀(Bisphenol)-A형 에폭시수지중에서 선택된 어느 하나의 에폭시수지, 흡습제로서 산화칼슘(CaO, 95%이상), 충전제로서 코팅 및 비코팅 탄산칼슘, 탈크, 실리카, 산화아연 분말중에서 선택된 1종이나 2종, 보강제의 중량을 경량화하기 위한 글라스버블, 도전제겸 착색제인 카본블랙, 잠재성 에폭시경화제로서 디시안디아미드(Dicyandiamide)나 디시안디아미드 변성품 중에서 선택된 1종이나 2종, 경화 촉진제로서 이미다졸(Imidasol), 발포제로서 캡슐형 발포제 및 희석제로서 하이드로 카본계인 디운데실프탈레이트나 디옥틸프탈레이트(DOP)를 첨가한 것으로 구성된 차체 구조물 접착용 충전제 조성물에 있어서,Modified epoxy resin selected from liquid nitrile butadiene rubber (NBR), silicone modified epoxy resin or ATBN (Amine-terminated butadiene acrylonitrile copolymer) modified epoxy resin or CTBN (carboxy-terminated butadiene acrylonitrile copolymer) modified epoxy resin Resin, any one of epoxy resin selected from dimer modified epoxy resin, bisphenol-F type epoxy resin or bisphenol type A epoxy resin, calcium oxide (CaO, 95) as an absorbent % Or more), one or two selected from coated and uncoated calcium carbonate, talc, silica, and zinc oxide powder as a filler, glass bubble for reducing the weight of the reinforcing agent, carbon black as a conductive agent and a colorant, and a latent epoxy curing agent. One or two selected from dicyandiamide or dicyandiamide modified products, imidazole (Imid) as a curing accelerator. asol), a capsule-type foaming agent as a foaming agent, and a filler composition for adhesion to a vehicle body structure comprising dihydrodecyl phthalate or dioctylphthalate (DOP), which is a hydrocarbon type, as a diluent. 상기 액상의 니트릴 부타디엔고무 대용으로 아크릴고무(Acrylic rubber) 또는 니트릴 부타디엔고무(NBR : Nitril Butadiene Rubber)의 변성 에폭시수지를 상기 전체 충전제 조성물에 대하여 10~23중량%, 상기 글라스버블 대용으로 물리적인 접착특성, 내구성 및 강도증진을 위한 그라스비드(Glass beads)를 상기 전체 충전제 조성물에 대하여 2~6중량% 및 희석제로서 상기 디운데실프탈레이트나 DOP대용으로 반응성 희석제인 카르복시 글리시딜 에스테르를 상기 전체 조성물에 대하여 5~12중량%를 첨가하여 점도가 700,000±300,000 CPS/20℃(점도계:BROOKFI-ELD, RVDVⅡ)인 페이스트상의 충전제 조성물을 얻는 것으로 구성됨을 특징으로 하는 다양한 재질의 차량패널을 접착할 수 있는 충전제 조성물.10-23% by weight of modified epoxy resin of acrylic rubber or nitrile butadiene rubber (NBR: Nitril Butadiene Rubber) in place of the liquid nitrile butadiene rubber, and physically adhesive in place of the glass bubble 2 to 6% by weight of glass beads for improving properties, durability and strength, and carboxyglycidyl ester which is a reactive diluent in place of the diundecyl phthalate or DOP as the diluent It is possible to bond vehicle panels made of various materials, by adding 5 to 12% by weight to a paste-like filler composition having a viscosity of 700,000 ± 300,000 CPS / 20 ° C. (viscosity: BROOKFI-ELD, RVDVII). Filler composition.
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