KR101938450B1 - 접착제 조성물 및 그것을 사용한 접착 시트 - Google Patents
접착제 조성물 및 그것을 사용한 접착 시트 Download PDFInfo
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- KR101938450B1 KR101938450B1 KR1020157016691A KR20157016691A KR101938450B1 KR 101938450 B1 KR101938450 B1 KR 101938450B1 KR 1020157016691 A KR1020157016691 A KR 1020157016691A KR 20157016691 A KR20157016691 A KR 20157016691A KR 101938450 B1 KR101938450 B1 KR 101938450B1
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- South Korea
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- adherend
- epoxy resin
- adhesive
- bisphenol
- adhesive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C08L33/04—Homopolymers or copolymers of esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
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Abstract
Description
도 2는 본 발명에 의한 접착 시트의 다른 실시 형태에 의한 단면 개략도이다.
11: 접착층
13: 접착제
15: 코어재
21: 이형지
21A: 제1 이형지
21B: 제2 이형지
Claims (19)
- 에폭시계 수지와 아크릴계 수지와 경화제를 포함하는 접착제 조성물이며,
상기 아크릴계 수지가, 메틸메타크릴레이트-부틸아크릴레이트-메틸메타크릴레이트의 변성된 트리블록형 공중합체를 포함하고, 하나 이상의 아미드기가 상기 변성된 트리블록형 공중합체에 도입된 것이고,
상기 접착제 조성물이 접합체에 있을 때, 상기 접합체를 25℃에서 1㎜/min으로 잡아당겼을 때 18.55 MPa 이상이고 상기 접합체를 80℃에서 1㎜/min으로 잡아당겼을 때 17.3 MPa 이상인 전단 강도를 제공하고, 상기 접합체는 2개의 탄소 섬유 강화 플라스틱 피착체를 상기 접착제 조성물로 접합하고 피착체에 3㎏의 하중을 가하여 130℃에서 2시간 동안 접착제 조성물을 경화함으로써 얻어지고, 상기 탄소 섬유 강화 플라스틱 피착체의 각각은 길이 100㎜, 폭 25㎜, 및 두께 1.5㎜를 가지는 것을 특징으로 하는 접착제 조성물. - 제1항에 있어서,
상기 에폭시계 수지가 비스페놀형 에폭시 수지인, 접착제 조성물. - 제1항에 있어서,
상기 에폭시계 수지가, 상온에서 액상인 비스페놀형 에폭시 수지, 및 유리 전이 온도가 50 내지 150℃의 범위에 있고 상온에서 고체인 비스페놀형 에폭시 수지를 포함하는, 접착제 조성물. - 제1항에 있어서,
상기 에폭시계 수지와 상기 아크릴계 수지의 배합 비율이 100:4 내지 100:20인, 접착제 조성물. - 제3항에 있어서,
상기 상온에서 액상인 비스페놀형 에폭시 수지와, 상기 상온에서 고체인 비스페놀형 에폭시 수지가 100:300 내지 300:100의 비율로 포함되어 있는, 접착제 조성물. - 제1항에 있어서,
상기 에폭시계 수지가 140 내지 260질량부, 상기 아크릴계 수지가 10 내지 50질량부, 및 상기 경화제가 1 내지 30질량부 포함되어 이루어지는, 접착제 조성물. - 제1항에 있어서,
상기 변성된 트리블록형 공중합체가, 메틸메타크릴레이트 단위와 부틸아크릴레이트 단위를 1:1 내지 50:1의 비율로 포함하는, 접착제 조성물. - 제1항에 있어서,
접착제 조성물 중에서, 상기 에폭시계 수지가 바다(海), 상기 아크릴계 수지가 섬(島)인 해도 구조를 갖는, 접착제 조성물. - 제1 이형지;
제2 이형지; 및
상기 제1 이형지와 상기 제2 이형지 사이에 배치된 접착층을 포함하고,
상기 접착층이 제1항에 기재된 접착제 조성물을 포함하는, 접착 시트. - 제9항에 있어서,
상기 접착층이 상기 접착제가 함침되어 있는 코어재를 더 포함하는, 접착 시트. - 제9항에 기재된 접착 시트를 사용하여 제1 피착체와 제2 피착체를 접착하는 방법이며,
상기 접착층의 제1 표면으로부터 상기 제1 이형지를 제거하는 단계;
상기 접착층의 제2 표면으로부터 상기 제2 이형지를 제거하는 단계;
상기 접착층의 제1 표면을 상기 제1 피착체에 부착하여 상기 제1 피착체를 임시 고정하는 단계;
상기 접착층의 제2 표면을 상기 제2 피착체에 부착하여 상기 제2 피착체를 임시 고정하는 단계; 및
상기 접착층을 가열함으로써 경화시켜 상기 제1 피착체 및 상기 제2 피착체를 접착하는 것을 포함하는, 제1 피착체와 제2 피착체를 접착하는 방법. - 제11항에 기재된 방법에 의하여 얻어지는 접합체.
- 제11항에 있어서,
상기 제1 피착체 및 상기 제2 피착체는 각각 금속으로 제조되는, 제1 피착체와 제2 피착체를 접착하는 방법 - 제11항에 있어서,
상기 제1 피착체는 금속으로 제조되고 상기 제2 피착체는 유기 재료로 제조되는, 제1 피착체와 제2 피착체를 접착하는 방법 - 제11항에 있어서,
상기 제1 피착체 및 상기 제2 피착체는 각각 유기 재료로 제조되는, 제1 피착체와 제2 피착체를 접착하는 방법 - 제11항에 있어서,
상기 제1 피착체는 알루미늄으로 제조되고 상기 제2 피착체는 철로 제조되는, 제1 피착체와 제2 피착체를 접착하는 방법 - 제11항에 있어서,
상기 제1 피착체는 섬유 강화 탄소 재료로 제조되는, 제1 피착체와 제2 피착체를 접착하는 방법 - 제1항에 있어서,
상기 아미드기는 상기 변성된 트리블록형 공중합체의 메틸메타크릴레이트 블록으로 도입되는, 접착제 조성물. - 제1항에 있어서,
상기 에폭시계 수지가, 상온에서 액상인 비스페놀형 에폭시 수지, 및 유리 전이 온도가 50 내지 150℃의 범위에 있고 상온에서 고체인 비스페놀형 에폭시 수지를 포함하고,
상기 에폭시계 수지와 상기 아크릴계 수지의 배합 비율이 100:4 내지 100:20인, 접착제 조성물.
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