Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Uniform Grafting of Poly(1,5-dioxepan-2-one) by Surface-Initiated, Ring-Opening Polymerization

  • Yoon Kuk-Ro (Department of Chemistry, Hannam University) ;
  • Yoon Ok-Ja (Department of Physics, Chung-Ang University) ;
  • Chi Young-Shik (Department of Chemistry, KAIST) ;
  • Choi Insung-S. (Department of Chemistry, KAIST)
  • Published : 2006.04.01
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Abstract

A polymeric film of a biodegradable poly(1,5-dioxepan-2-one) (PDXO) was formed on a gold surface by a combination of the formation of self-assembled monolayers (SAMs) presenting hydroxyl groups and the surface-initiated, ring-opening polymerization (SI-ROP) of 1,5-dioxepan-2-one (DXO). The SI-ROP of DXO was achieved by heating a mixture of $Sn(Oct)_2$, DXO, and the SAM-coated substrate in anhydrous toluene at $55^{\circ}C$. The resulting PDXO film was quite uniform. The PDXO film was characterized by polarized infrared external reflectance spectroscopy, X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry, atomic force microscopy, ellipsometry, and contact angle goniometry.

Keywords

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