Oxidative total chlorine free photochemical bleaching of cellulosic fabrics

Akihiko Ouchi, Hitoshi Sakai, Takeshi Oishi, Teruyuki Hayashi, Wataru Ando, Jun Ito

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Water-insoluble natural colored compounds adsorbed or chemically bound on cellulosic fabrics were bleached effectively by a selective photolysis of the colored compounds using various excimer lasers (KrF, XeCl, XeF), a low-pressure mercury lamp, and a black-light fluorescent lamp in the presence of sodium peroxocarbonate or mixtures of sodium carbonate and hydrogen peroxide aqueous solutions at room temperature. The efficiency of the photochemical bleaching was found to be comparable to that of the commercial thermal bleaching processes when a XeF excimer laser or a black-light fluorescent lamp were used as light sources.

Original languageEnglish
Pages (from-to)516-523
Number of pages8
JournalGreen Chemistry
Issue number5
Publication statusPublished - 2003 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution


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