Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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An Overview on the Physicochemical Properties and Photocatalytic Pollutant Removal Performances of TiO2-incorporated Cementitious Composites

TiO2 혼입 시멘트 복합체의 물리·화학적 특성 및 광촉매 반응을 이용한 오염물 제거 성능에 대한 개요

  • Seo, J.H. (Korea Advanced Institute of Science and Technology) ;
  • Yoon, H.N. (Korea Advanced Institute of Science and Technology) ;
  • Kim, S.H. (Korea Advanced Institute of Science and Technology) ;
  • Bae, S.J. (Korea Advanced Institute of Science and Technology) ;
  • Jang, D.I. (Korea Advanced Institute of Science and Technology) ;
  • Kil, T.G. (Korea Advanced Institute of Science and Technology) ;
  • Park, S.M. (Korea Advanced Institute of Science and Technology) ;
  • Lee, H.K. (Korea Advanced Institute of Science and Technology)
  • Received : 2019.07.25
  • Accepted : 2020.03.20
  • Published : 2020.04.30
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Abstract

Recently, the use of TiO2 as a phtocatalyst has been diversely investigated due to its excellent durability performance and high photocatalytic reaction efficiency. Active researches have particularly focused on the development of TiO2-incorporated cementitious composites in order to remove the atmospheric pollutants. Furthermore, the potential utilization of TiO2-incorporated cementitious composites as road accessories such as tunnels, road median separators and soundproof walls in the form of tiles, blocks and structural components has been widely examined. In this regard, a thorough understanding on the material characteristics of TiO2-incorporated cementitious composites should be preceded. The present overview article, therefore, revisits previous studies of TiO2-incorporated cementitious composites and summarizes their various physicochemical properties and atmospheric pollutants removal performance.

최근 우수한 내구성과 높은 광촉매반응 효율로 인해 TiO2의 활용이 다각적으로 검토되고 있다. 특히 대기 중 오염물질을 제거하기 위해 시멘트계 물질에 TiO2를 혼입하는 연구가 활발히 진행되고 있다. TiO2를 혼입한 시멘트계 물질은 타일, 블록, 구조체의 형태로 터널, 중앙분리대 및 방음벽 등 도로부속물로의 잠재적 활용이 검토되어지고 있다. 따라서 TiO2혼입에 따른 시멘트계 물질의 특성변화에 대한 철저한 이해가 선행되어야 할 것이다. 본 개요 논문에서는 TiO2를 혼입한 시멘트계 물질의 다양한 물리·화학적 특징과 대기 오염물 제거 성능에 대한 선행연구를 소개하고자 한다.

Keywords

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