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Construction and adhesion performance of biomass tetrahydro-geraniol-based sustainable/transparent pressure sensitive adhesives

  • Baek, Seung-Suk (Department of Polymer Science & Engineering, Materials Chemistry & Engineering Laboratory, Dankook University) ;
  • Jang, Su-Hee (Department of Polymer Science & Engineering, Materials Chemistry & Engineering Laboratory, Dankook University) ;
  • Hwang, Seok-Ho (Department of Polymer Science & Engineering, Materials Chemistry & Engineering Laboratory, Dankook University)
  • Received : 2017.03.01
  • Accepted : 2017.05.14
  • Published : 2017.09.25

Abstract

Using the tetrahydro-geraniol acrylate (TGA) synthesized from biomass tetrahydro-geraniol, UV-cured transparent acrylic pressure sensitive adhesives (PSAs) composed of semi-interpenetrating networks were successfully fabricated. The utility for optically clear adhesive on adhesion performances according to various concentrations of TGA in the acrylic PSAs were investigated. After characterizing the photo-polymerized PSA syrups, the optical properties for the acrylic PSA films were examined using UV-vis spectroscopy, a color-difference meter, and a haze meter. The acrylic PSAs exhibited high transparency and stable weather-ability under reliability testing (85/85 test). With increasing TGA concentration in the acrylic PSAs, adhesion properties such as the $180^{\circ}$ peel strength,shear holding power, and probe tack had decreased.

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