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Textile Research Journal
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Influence of Bleaching Operations on the Properties of Control and DMEU-Finished Cotton Fabrics

J. Varghese

The Bombay Textile Research Association, Bombay-400086, India

D.M. Pasad

The Bombay Textile Research Association, Bombay-400086, India

W.B. Achwal

Department of Chemical Technology, University of Bombay, Bombay-400 019, India

Two-mercerized-scoured (MS) cotton fabrics (viz. J-box scoured poplin and pressure-scoured drill) were bleached with sodium hypochlorite (HC), hydrogen peroxide (BP), and sodium chlorite (SC) in the laboratory to a CuAm duiditv of 4.5 ± 0.5 poises-1 for poplin and 5 ± 0.5 poises-1 for the drill. They were further finished in the laboratory with 30-150 g/l. DMEU by the pad-dry-cure technique. Evaluation of these fabrics for resilience and strength-abrasion properties have shown that chlorite bleaching gives good strength-abrasion properties on both the unfinished fabrics. On DMEU finishing, hypochlorite-bleached fabric gives best performance on both the fabrics. The gradation in overall performance of DMEU-finished poplin samples is HC > BP > SC > MS. Similar gradation for the drill fabric is HC > MS > SC > BP.

Textile Research Journal, Vol. 49, No. 9, 543-549 (1979)
DOI: 10.1177/004051757904900911
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