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Functional Modification of Sanitary Nonwoven Fabrics by Chitosan Treatment (Part I) -Change of Surface Structure and Hand-  

Bae Hyun-Sook (Dept. of Clothing & Textiles, Changwon National University)
Kang In-Sook (Dept. of Clothing & Textiles, Changwon National University)
Publication Information
Journal of the Korean Society of Clothing and Textiles / v.30, no.3, 2006 , pp. 386-395 More about this Journal
Abstract
Chitosan, a natural polymer has been used to nonwoven fabrics based polypropylene for sanitary top sheets. The changes in mechanical properties relating to the surface structure of functionally improved nonwoven fabrics were investigated with respect to the molecular weight and concentration of chitosan that was used. Low molecular weight(LMW) chitosan treated fabric was found to be evenly coated on the fabrics. It was shown that the bending and shearing characteristics of chitosan treated fabrics increased, which helped to make it stronger and harder, while shape stability improved following treatment using high molecular weight(HMW) chitosan. And the surface structure of treated fabrics was smooth and the sensitivity of its bulk improved somewhat. The treated fabrics were not overly stiff because the increase in Koshi value was not considerable compared to that of the bending characteristics. In the change of hand value relating to chitosan treated fabrics, THV generally improved. In the case of a 0.5$\%$ chitosan, HMW chitosan treated fabrics produced better THV than LMW chitosan treated fabrics. However, in the case of a 1.0$\%$ chitosan, THV of LMW chitosan treated fabrics produced outstanding results.
Keywords
Sanitary nonwoven fabric; Chitosan; Surface structure; Hand value;
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Times Cited By KSCI : 2  (Citation Analysis)
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