Thermal Degradation Behavior of Polymers Containing a tert-Butoxycarbonyl Groupin the Side Chain and Application to Dismantlable Adhesion Materials

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  • SUZUKI Fumiya
    Department of Applied Chemistry & Bioengineering,Graduate School of Engineering, Osaka City University
  • SATO Eriko
    Department of Applied Chemistry & Bioengineering,Graduate School of Engineering, Osaka City University
  • MATSUMOTO Akikazu
    Department of Applied Chemistry, Graduate School of Engineering,Osaka Prefecture University

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  • 側鎖にtert-ブトキシカルボニル基を有するポリマーの熱分解挙動と易解体性接着材料への応用
  • ソクサ ニ tert-ブトキシカルボニルキ オ ユウスル ポリマー ノ ネツ ブンカイ キョドウ ト イカイタイセイ セッチャク ザイリョウ エ ノ オウヨウ

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<p>In this study, we carried out the thermolysis of poly［p-（tert-butoxycarbonyloxy）styrene]（PBSt）prepared by radical polymerization and investigated the reaction mechanism for the formation of poly（p-hydroxystyrene）accompanying the elimination of isobutene and carbon dioxide from the tert-butoxycarbonyl（Boc）group in the side chain. We also discussed the reaction conditions for thequantitative transformation of the protected functional groups in the side chain of the polymer. Theadhesion of aluminum plates using a copolymer of p-（tert-butoxycarbonyloxy）styrene and glycidylmethacrylate（P（BSt-co-GMA））with a diamine cross-linker was carried out. The lap shear testrevealed that high adhesion strength was observed for the thermally cured specimen at 100℃ for 4 h,and that the strength drastically decreased after heating at 150℃ for 1 h, due to the decompositrionof the Boc group in the copolymer.</p>

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