Interaction between Poly(vinylpyrrolidone) and Ionic Dyes in Aqueous Solution System（Ⅰ）

이상철; Park,Soo-Min (박수민); 김혜인

Interaction between Poly(vinylpyrrolidone) and Ionic Dyes in Aqueous Solution System（Ⅰ）

Textile Coloration and Finishing
Abbr : Text. Color. and Finish.
2012, 24(4), pp.239-246
Publisher : The Korean Society Of Dyers And Finishers
Research Area : Engineering > Fiber Engineering > Dyeing Engineering

이상철 ¹, Park,Soo-Min ¹, 김혜인 ¹

¹부산대학교

Accredited

ABSTRACT

The binding isotherms of ionic dyes with Poly(vinylpyrrolidone) in aqueous solution were determined by the dynamic dialysis technique. The shape of the isotherms of cationic dye, C. I. Basic Red 18 with poly(vinlypyrrolidone) showed a partition type. It suggests that the binding involves a non-cooperative mode. Isotherms of an anion dye, a synthesized dye by coupling of diazotized m-trifluoromethylaniline with 2-naphthol-6-sulfonic acid, were sigmoid type and showed multimode interaction. The results were interpreted by the McGhee von Hippel theory. The thermodynamic parameters for the complex formation of the dyes-polymer were calculated from their temperature dependences of the intrinsic binding constant.

KEYWORDS

poly(vinylpyrrolidone), ionic dye, multimode interaction, binding isotherm, sigmoid type, thermodynamic parameter

Citation status

* References for papers published after 2023 are currently being built.

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