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Search / Korean Journal of Chemical Engineering
Korean Chemical Engineering Research,
Vol.46, No.1, 76-81, 2008
자외선 경화형 점착제의 접착 및 재박리 특성
Adhesive and Removable Characteristics of UV Curable Adhesive
김인범, 이명천
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.
Keywords: UV Curable; Adhesive; Photo-Oligomer; Peel Strength; Storage Modulus; Loss Factor
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[Cited By]
  1. Ryu CM, Pang BL, Kim HI, Park JW, Lee SW, Kim HJ, Kim KM, Polymer(Korea), 36(3), 315, 2012
  2. Lee SH, Lee SK, Hwang TS, Applied Chemistry for Engineering, 24(2), 148, 2013
  3. Baek SS, Jang SJ, Lee JH, Kho DH, Lee SH, Hwang SH, Polymer(Korea), 38(2), 199, 2014
  4. Kim HC, Kang MR, Kim HI, Polymer(Korea), 43(4), 559, 2019
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