Bleaching cellulosic fibers via pre-sorption of N-[4-(triethylammoniomethyl)-benzoyl]-butyrolactam chloride
The sorption of a novel cationic bleach activator, N-[4-(Triethylammoniomethyl)benzoyl]-butyrolactam Chloride (TBBC), was measured on regenerated bamboo fiber. At 25 °C near neutral pH, the sorption rate of TBBC onto the fiber was initially rapid and equilibrium was reached within 20 min. Adsorption...
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Published in | Cellulose (London) Vol. 17; no. 4; pp. 849 - 857 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Dordrecht
Dordrecht : Springer Netherlands
01.08.2010
Springer Netherlands Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | The sorption of a novel cationic bleach activator, N-[4-(Triethylammoniomethyl)benzoyl]-butyrolactam Chloride (TBBC), was measured on regenerated bamboo fiber. At 25 °C near neutral pH, the sorption rate of TBBC onto the fiber was initially rapid and equilibrium was reached within 20 min. Adsorption equilibria experiments followed a Freundlich isotherm. At the sorption equilibrium, bleaching was initiated by addition of sodium perborate to liberate hydrogen peroxide, which reacted with TBBC to generate a peracid that is a more kinetically active oxidant than peroxide. A sorption-activation model was developed that supports the enhanced bleaching of cellulosic fibers using cationic bleach activators under neutral to alkaline conditions. |
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Bibliography: | http://dx.doi.org/10.1007/s10570-010-9412-z |
ISSN: | 0969-0239 1572-882X |
DOI: | 10.1007/s10570-010-9412-z |