Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 85, Issue 8, Pages 1652-1660Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/app.10691
Keywords
cationic surfactant catalyst; alkaline hydrolysis; solvents; pretreated polyesters
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The synthesis of a cationic surfactant was based an diethanolainine and alkyl halides such as cetyl bromide with epichlorohydrin as a quaternizing agent. It was characterized by the elemental microanalysis of nitrogen and chloride and infrared spectroscopy. Polyester (PET) crepe fabric was pretreated with a series of solvents, including tetrachloroethane and tetrachloroethylene, at 25, 50, and 100degreesC. Untreated and solvent-pretreated PET fabric was hydrolyzed with 8 g/L NaOH at 100degreesC in the absence and presence of a cationic surfactant as a catalyst, and the weight loss was determined. The effects of solvent pretreatment on alkaline hydrolysis and PET dyeing were also examined. (C) 2002 Wiley Periodicals, Inc.
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