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1 2006

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Anionically-modified cotton and surface layer formation with polyelectrolytes

El-Shafei A., Knittel D., Schollmeyer E.

Autex Research Journal

2006

Vol. 6, no. 3

175--181

Carboxymethyl cellulose (CMC) is a water-soluble cellulose derivative widely used in textile preparations, especially for the application of sizes, which are removed shortly after the weaving process. In this paper, a strategy is given for using CMC as an anionical polymeric modifier of cotton surfaces with permanent character-imparting stable properties, such as after cationic dyeing, durable press properties and polyelectrolyte layer formation, without the use of dangerous chemicals like chloroacetic acid or salts. Thus CMC was fixed onto cotton by using CMC and Na-hydroxydichlorotriazine as an anchoring chemical. The fabric samples before and after finishing were monitored for polyelectrolyte titration values, wet and dry crease recovery angle, and K/S values after fixation of cationic dyestuff.