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Received October 14, 2007
Accepted November 17, 2007
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자외선 경화형 점착제의 접착 및 재박리 특성
Adhesive and Removable Characteristics of UV Curable Adhesive
동국대학교 생명화학공학과, 100-715 서울시 중구 필동 3가 26 1경민대학 소방안전관리과, 480-702 경기도 의정부시 가능 3동 562-1
Department of Chemical and Biochemical Engineering, Dongguk University, 26 3-ga, Pil-dong, Jung-gu, Seoul 100-715, Korea 1Department of Fire Safety and Management, Kyungmin College, 562-1 Ganeung 3-dong, Uijeongbu, Gyeonggi 480-702, Korea
leemc@dongguk.edu
Korean Chemical Engineering Research, February 2008, 46(1), 76-81(6), NONE Epub 28 February 2008
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Abstract
아크릴계 점착제를 합성한 후 이관능성 혹은 육관능성 우레탄-아크릴레이트 올리고머를 혼합하여 자외선 경화형 점착제를 제조하였다. 올리고머 종류 및 함량을 변화시켜 그에 따른 접착력 변화와 재박리 특성을 조사하였다. 자외선 경화전에는 올리고머의 함량의 증가에 따라 박리력이 증가하였으나 자외선 경화 후에는 감소하는 경향을 보였다. 저장탄성률(G')이 낮을수록 박리력은 증가하지만 점착제 내부의 상용성과 손실계수(tan δ) 값에 따라 점착제의 박리정도와 접착력에 영향을 주는 것을 확인할 수 있었다.
UV curable pressure sensitive adhesive (PSA) was made by blending the di-functional or hexa-functional urethane-acrylate oligomer with synthesized acrylic PSA. The change of adhesive property and removability were investigated at various oligomer contents under each oligomer. As the content of oligomer increased, the peel strength was increased before UV irradiation, but it was decreased after UV irradiation. Also, it was observed that the peel strength increased with decrease of storage modulus (G'), and that loss factor (tan δ) of the adhesive material affected the adhesive properties and removability.
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Doba T, J. Adh. Soc. Jap., 35(11), 521 (1999)
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Nakazawa M, J. Adh. Soc. Jap., 36(12), 28 (200)
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Horigome K, Ebe K, Kuroda S, J. Appl. Polym. Sci., 93(6), 2889 (2004)
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Kricheldorf HR, Marcel Dekker, Inc., New York (1992)
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Norm PSTC-6M, Tack Rolling Ball (Metric), American Pressure Sensitive Tape Council (1986)
Turreda LD, Sekiguchi Y, Takemoto M, Kajiyama M, Hatano Y, Mizumachi H, J. Appl. Polym. Sci., 70(2), 409 (1998)
Leong YC, Lee LMS, Gan SN, J. Appl. Polym. Sci., 88(8), 2118 (2003)
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Kim IB, Song BJ, Lee MC, J. Korean Ind. Eng. Chem., 17(1), 33 (2006)
