Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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The Effects of Functional Monomers on the Synthesis andPhysical Properties of Solution Type Quaternary Polymer Acrylic Pressure-Sensitive Adhesives

관능성 단량체 종류에 따른 4원 용액형 아크릴계 점착제의 합성과 물성에 관한 연구

  • Kim, Nam-Seok (Department of Engineering in Energy and Applied Chemistry, Silla University) ;
  • Kim, Sung-Hoon (Department of Engineering in Energy and Applied Chemistry, Silla University)
  • 김남석 (신라대학교 공과대학 에너지응용화학과) ;
  • 김성훈 (신라대학교 공과대학 에너지응용화학과)
  • Published : 2008.12.31
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Abstract

To prepare a solution type acrylic pressure-sensitive adhesive, quarter polymers were synthesized from butyl acrylate(BA), 2-ethylhexylacrylate(2-EHA) as a base monomer, methyl methacrylate(MMA) as a comonomer, each of methacrylic acid(MAA), acrylic acid(AA) as a functional monomer. Acrylic solution type pressure-sensitive adhesives(PSA's) of isocyanate derivative crosslinking PSA's were prepared by crosslinking of BEMM, BEMA with toluene-2,4-diisocyanate. The structure of adhesive was identified by FT-IR. The viscosity was measured by using Brookfield DV-III and molecular weight was measured by using gel permeation chromatography. The physical properties of polyethylene film coated with BEMMT, BEMAT were measured as a function of the concentration. As the result, BEMMT(0.6, 0.8), BEMAT(0.6) showed peel adhesion of $160{\sim}180\;g_f$/25 mm width and shear adhesion of more than 24 hours, and tackiness of $4/32{\sim}6/32$ which was relevant to commercial usage.

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