Article
  • Effects of Radiation on PS-b-PMMA Block Copolymer Micelles
  • Choi JS, Eom JJ, Jung CH, Shin J
  • PS-b-PMMA 블록공중합체 마이셀의 방사선 영향 평가
  • 최지선, 엄진주, 정찬희, 신준화
Abstract
The purpose of this study is to investigate the effects of gamma-ray radiation on PS-b-PMMA block copolymer micelles formed in a mixture of dioxane/methanol. It was found by DLS measurement that the irradiated micelles were more stable in a good solvent (toluene) for both PS and PMMA blocks compared to non-irradiated micelles due to the cross-linking of PS blocks. TEM was used to observe and compare the relative size and structure of the PS-b-PMMA micelles before and after irradiation.

본 연구의 목적은 다이옥산/메탄올 혼합물에서 형성된 PS-b-PMMA 블록공중합체 마이셀의 감마선에 대한 영향을 평가하는 것이다. DLS 측정결과, 감마선으로 조사된 마이셀은 PS 블록의 가교구조 형성으로 인해 PS와 PMMA 블록 모두에 용해도가 높은 톨루엔 용매에서 감마선으로 조사되지 않은 마이셀에 비해 안정성이 향상됨을 확인하였다. 또한 조사된 PS-b-PMMA 마이셀과 조사되지 않은 PS-b-PMMA 마이셀의 상대적 크기와 구조는 TEM을 이용하여 비교 관찰하였다.

Keywords: cross-linking; micelle; PS-b-PMMA; block copolymer; radiation

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2016; 40(4): 622-627

    Published online Jul 25, 2016

  • 10.7317/pk.2016.40.4.622
  • Received on Feb 15, 2016
  • Accepted on Mar 18, 2016