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 journalArticle

11 Citations (Scopus)

Abstract

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
Volume5
Issue number5
DOIs
Publication statusPublished - 2003 Oct
Externally publishedYes

Fingerprint

Fluorescent lamps
Chlorine
Excimer lasers
bleaching
Bleaching
chlorine
Sodium
Mercury vapor lamps
Photolysis
laser
sodium
Hydrogen peroxide
Hydrogen Peroxide
Light sources
Carbonates
photolysis
hydrogen peroxide
Water
low pressure
aqueous solution

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Oxidative total chlorine free photochemical bleaching of cellulosic fabrics. / Ouchi, Akihiko; Sakai, Hitoshi; Oishi, Takeshi; Hayashi, Teruyuki; Ando, Wataru; Ito, Jun.

In: Green Chemistry, Vol. 5, No. 5, 10.2003, p. 516-523.

Research output: Contribution to journalArticle

Ouchi, A, Sakai, H, Oishi, T, Hayashi, T, Ando, W & Ito, J 2003, 'Oxidative total chlorine free photochemical bleaching of cellulosic fabrics', Green Chemistry, vol. 5, no. 5, pp. 516-523. https://doi.org/10.1039/b304680j
Ouchi, Akihiko ; Sakai, Hitoshi ; Oishi, Takeshi ; Hayashi, Teruyuki ; Ando, Wataru ; Ito, Jun. / Oxidative total chlorine free photochemical bleaching of cellulosic fabrics. In: Green Chemistry. 2003 ; Vol. 5, No. 5. pp. 516-523.
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