Article
  • Polyethersulfone Ultrafiltration Membranes Containing Surface Treated Silica Nanoparticles for Improvement of Antibacterial Activity and Hydrophilicity
  • Choi NW, Jo YJ, Kim CK
  • 항균성과 친수성 부여를 위한 표면 처리된 실리카 나노 입자가 포함된 폴리에테르설폰 한외여과막
  • 최락원, 조용준, 김창근
Abstract
To overcome drawbacks of polyethersulfone (PES) ultrafiltration membranes such as hydrophobicity and bacteria growth on the membrane surface, PES membranes containing silica nanoparticles grafted with poly(1-vinylpyrrolidone) (silica-PVP) and those garfted with poly(sulfadiazine acrylamide) (silica-PSA) were fabricated. PES membranes containing silica-PVP exhibited better water flux than PES membrane, and the solute rejection of the former was similar with that of the latter when PES membrane contains less than or equal to 3 wt% of silica-PVP. PES membranes exhibiting antibacterial activity and improved water flux were fabricated by adding more than 3 wt% of silica-PSA.

폴리에테르설폰 한외여과막의 단점인 소수성과 항균성 문제를 해결하기 위해 폴리비닐피롤리돈이 그래프트된 실리카 나노입자와 항균성 폴리슬퍼디아진 아크릴아마이드가 그래프트된 실리카 나노입자를 동시에 도입하였다. 폴리에테르설폰 한외여과막에 도입된 폴리비닐피롤리돈이 그래프트된 실리카 나노입자의 친수성으로 인해 수투과도가 향상되었고 용질 배제율은 입자의 함량이 3 wt%까지는 폴리에테르설폰과 유사하였지만 그 이상의 함량에서는 점차 감소하였다. 이들 한외여과막에 3 wt% 이상의 폴리슬퍼디아진 아크릴아마이드를 그래프트시킨 실리카 나노입자를 도입함으로써 항균성과 우수한 수투과도를 갖춘 분리막이 제조되었다.

Keywords: PES membrane; silica nanoparticles; hydrophilicity; antibacterial activity

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2016; 40(2): 245-250

    Published online Mar 25, 2016

  • 10.7317/pk.2016.40.2.245
  • Received on Sep 30, 2015
  • Accepted on Oct 31, 2015