Vat Discharge printing on cotton with reactive dye
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Date
2013
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Publisher
UMT.Lahore
Abstract
Discharge Printing is one of the recently generated printing. This print is a style of printing.Structure of discharge print is different from others printing styles. The main difference which distinguish it from others styles is the use of reducing agents. Sodium hydro sulfite was used as a reducing agent. The discharge print fabric has good textured. The faults arising in this printing style is due to the conditions which are not suitable for this. Discharge fabrics were preprocessed by different dyeing methods (i.e. exhaust and continuous) to apply discharge effects. Two different types of this style is discussed white discharge, and color discharge. There were no Cross-linking agents (binders used in pigment printing) applied before and after printing. The discharge paste is printed on to the dyed fabric and, usually during subsequent steaming; the dye in the pattern area is discharged. A white discharge is thus produced.