Lipases to improve the performance of formaldehyde-free durable press finished cotton fabrics
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2002-07-28
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Abstract
Lipases were used to restore partially the strength losses of cotton fabrics crosslinked with 1,2,3,4-butanetetracarboxylic acid. The enzymatic hydrolysis of the ester linkages at low temperature and neutral pH resulted in 10% strength recovery, coupled with a slight deterioration of the crease-resistance effect. The conventional alkaline hydrolysis provided higher strength recovery, however provoked considerable change in the durable press performance of the fabrics.