<b>Surface Property Control of Epoxy Hybrid Film Composed of Fluorinated </b><b>Polyhedral Oligomeric Silsesquioxane-Terminated Polymers </b>

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  • <b>フッ素含有シルセスキオキサンを末端に有するエポキシハイブリッド樹脂フィルムの表面特性制御 </b>
  • フッ素含有シルセスキオキサンを末端に有するエポキシハイブリッド樹脂フィルムの表面特性制御
  • フッソ ガンユウ シルセスキオキサン オ マッタン ニ ユウスル エポキシハイブリッド ジュシ フィルム ノ ヒョウメン トクセイ セイギョ

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Abstract

Synopsis: 3,4-Epoxycyclohexyl methyl methacrylate (M100) was polymerized by atom transfer radical polymerization (ATRP) using an initiator bound to fluorinated polyhedral oligomeric silsesquioxane (Rf-POSS). The polymerization proceeded in a living fashion, providing tadpole shaped polymers with an “inorganic head” of Rf-POSS and an “organic tail” of well-defined poly(3,4-epoxycyclohexyl methyl methacrylate). A hybrid film composed of the tadpole shaped polymer, cycloaliphatic epoxy resin (CEL2021P) and cationic initiator (SI－100) was cured at 160℃ for 1 hour, and then analyzed by contact angle measurement, X-ray photoelectron spectroscopy. These analyses revealed that the Rf-POSS was preferentially populated at the air/polymer interface and the outermost layer of the film was almost completely covered by the Rf-POSS heads. This was mainly due to the low surface free energy and environmental stability of the Rf-POSS moiety. The surface structure of the hybrid film was immobilized by cross-linking of epoxy resins, and the surface property was optimized by the control of curing condition.

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