Cotton fabric coated with nano TiO 2 -acrylate copolymer for photocatalytic self-cleaning by in-situ suspension polymerization

Xue Jiang, Xiuzhi Tian, Jian Gu, Dan Huang, Yiqi Yang

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

Two kinds of nano TiO 2 -polyacrylate hybrid dispersions, TBM-w and TBM-e were synthesized by in-situ suspension polymerization and solution polymerization respectively, in order to fix the nano TiO 2 on fabrics. The photocatalytic self-cleaning fabrics have received much attention in recent years for its water-saving and environment-protection advantages. However, the fixation of the photocatalyst on fabrics is still a key problem that inhibits industrialization of these eco-friendly fabrics. The cotton fabric was treated by the two hybrid dispersions. The photocatalytic self-cleaning property was characterized. Infrared spectroscopy, burning loss test and thermogravimetry showed that some copolymer chains entangled with the nano TiO 2 . Transmission electron microscope illustrated that there was a polymeric layer on the surface of nano TiO 2 . The average diameter of TBM-w was smaller than that of TBM-e based on size analysis. The photocatalytic decoloration of the grape syrup indicated that the fabric with TiO 2 -polymer hybrid had excellent self-cleaning property.

Original languageEnglish (US)
Pages (from-to)8451-8456
Number of pages6
JournalApplied Surface Science
Volume257
Issue number20
DOIs
StatePublished - Aug 1 2011

Keywords

  • Cotton fabric
  • Dispersion
  • Photocatalytic self-cleaning
  • Polymer content
  • Suspension polymerization

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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