Comparison of Dye Adsorption of Three Forms of Chitosan

Shu-Hwa Lin¹, Chih-Pong Chang², Jen-Chieh Chang³, Kelly Mammel³

¹Department of Family & Consumer Sciences, University of Hawaii at Manoa, Honolulu, USA.
²Department of Textile Engineering, Chinese Culture University, Taipei city.
³Institute of Materials Science and Nanotechnology, Chinese Culture University, Taipei city.

DOI: 10.4236/aces.2014.43035                

Abstract

The purpose of this project is to explore the adsorption rates of different dye methods (direct, reactive, acidic, disperse, azo dyes) in three shapes of chitosan materials (film, microsphere, and scaffold) which were formed by 88% deacetylation degree of chitosan. Results of this research suggest that the samples with larger specific surface areas tend to have shorter adsorption times. Among the three samples, the chitosan scaffold reached the adsorptive saturation on the third day, showing the shortest adsorption time of the direct, reactive, acidic, dispersive and azo dyes, whereas the chitosan film reached the adsorptive saturation on the eighth day, giving it the longest adsorption time of the dyes.

Keywords

Chitosan, Film, Microsphere, Scaffold, Dye Adsorption

Conflicts of Interest

The authors declare no conflicts of interest.

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