Article
  • Facile Preparation of Antibacterial Plastisol/Ag Composites Based on Silver Carbamate and Their Properties
  • Kwon HJ, Cha JR, Gong MS
  • 은 카바메이트를 이용한 항균성 플라스티졸/Ag 복합체의 제조와 그들의 성질
  • 권혁진, 차재령, 공명선
Abstract
The diverse applications of PVC plastisol have been recognized and research has become robust due to development of new plasticizers having low toxicity and degradability. In this study, we prepared plastisol/silver nanoparticles foamed composites based on silver carbamate complex and expandable microsphere. AgNPs used in the plastisol were in-situ synthesized by thermal reduction of silver carbamate during expansion of microsphere and curing of plastisol, where the average size of the AgNPs was 20-50 nm. To obtain coatings of plastisol/Ag composites, a silkscreen printing technique over a cotton textile substrate was used. The formation of the AgNPs was easily monitored by UV-vis spectroscopy and characterized by TEM, SEM, XRD and EDS. The expanded plastisol/Ag composites showed excellent antibacterial activity against Escherichia coli and Staphylococcus aureus. This method provides facile and effective way to prepare antibacterial plastisol/Ag composites without any inorganic ions and additives such as surfactant and reductant and show a great deal of potential as designed materials for sanitized plastisol applications.

최근 무독성 및 분해성을 가지는 새로운 가소제의 개발로 인하여 PVC 플라스티졸의 다양한 응용성이 재조명되고 있다. 본 연구에서는 은 카바메이트 화합물과 팽창성 미소구를 이용하여 PVC 플라스티졸/Ag 발포 복합재료를 열 환원 및 경화에 의하여 제조하였다. 은 나노 복합체에 사용한 은 나노 입자는 PVC 플라스티졸의 열 경화 및 발포와 동시에 은 카바메이트가 열 분해하여 생성되었으며 은 나노 입자의 직경은 20-50 nm의 크기를 보여주었다. PVC 플라스티졸/Ag 복합체는 실크 스크린 인쇄법에 의하여 면 직물 기재에 도포하였다. 은 나노 입자의 생성과 특성 분석은 UV-vis spectroscopy로 확인하였으며 transmission electron microscopy(TEM), scanning electron microscopy(SEM), X-ray diffraction(XRD) 및 energy dispersive X-ray spectroscopy(EDS)를 사용하였다. 발포된PVC 플라스티졸/Ag은 복합체는 Escherichia coli와 Staphylococcus aureus에 대하여 우수한 항균 특성을 보여주었다. 이러한 열 환원법은 PVC 플라스티졸/Ag 복합체를 제조하는데 간단하고 효과적인 방법이며, 무기 이온이나 계면 활성제 및 환원제 등의 잔재가 남지 않는 위생적인 PVC 플라스티졸 응용을 위한 제품에 큰 가능성을 보주었다.

Keywords: PVC plastisol; silver carbamate; antimicrobial property; plastisol/Ag composites

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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

  • 2017; 41(5): 860-866

    Published online Sep 25, 2017

  • 10.7317/pk.2017.41.5.860
  • Received on Mar 30, 2017
  • Accepted on May 4, 2017