Precise Synthesis of Acrylic Block Copolymers and Application to On-demand Dismantlable Adhesion Systems in Response to Photoirradiation and Postbaking

  • Yamanishi Keisuke
    Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University
  • Sato Eriko
    Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University
  • Matsumoto Akikazu
    Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University

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Abstract

High-molecular-weight and functional acrylic block copolymers containing both the reactive and polar repeating units were synthesized using organotellurium-mediated living radical polymerization (TERP) technique. The block copolymers consisted of poly(tert-butyl acrylate) as the reactive segment and the random copolymer sequence containing n-butyl, 2-ethylhexyl, and 2-hydroxyethyl acrylate repeating units as the adhesive segment. The block copolymers exhibited high performance for the dismantlable adhesion responsible to dual external stimuli consisting of photoirradiation and the postbaking in the presence of a photo acid generator.

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