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Kinetics of polyester fiber alkaline hydrolysis: Effect of temperature and cationic surfactants

✍ Scribed by A. M. Grancarić; N. Kallay

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
353 KB
Volume
49
Category
Article
ISSN
0021-8995

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✦ Synopsis

The surface kinetic model was applied to the interpretation of the dissolution of poly (ethylene terephthalate) fibers in alkaline medium. The model assumes first-order kinetics with respect to surface area and concentration of OHions. The dependency of the rate constant of dissolution on temperature was treated by the Arrhenius equation. The addition of a cationic surfactant resulted in an increase in both activation energy and preexponential factor.

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