Textile Process Problems | Problems Occurring in Textile Wet Processing

Textile Process Problems:
There are many problems, which can be encountered in the various processes, which stem from high metal ion content in the water. It should be recognized that insoluble metal forms are easily filtered from the water supply. However, soluble metal salts are known to dissociate and in this process. The reactive forms may be hydroxyl groups (COOH) of wool, nylon, acrylic soaps and other materials; and sulfonic (SO3) and sulfate (SO4) groups in acrylics, soaps, dyes and similar materials. occurring

Problems, which may be encountered in various processes, are illustrated in the following Table.
 Deactivated enzymes and insolubilize size materials as starch and PVA.
Combine with soap precipitates metal – organic acid, produce yellowing or off – white shades, reduces cleaning efficiency, and reduces water sorption.

Decompose bleach baths
Form insoluble metal oxides and reduce absorbency and luster.
Combine with dyes changing their shades, insolubilize dyes, Causes tippy dyeing, reduce dye diffusion.
Break emulsions, change thickener efficiency and viscosity And those problems indicated for dyeing.

Interface with catalysts, cause resins and other additives to Become non-reactive, break emulsions and deactivate soaps.


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