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Paper Information

Journal:   JOURNAL OF COLOR SCIENCE AND TECHNOLOGY   SPRING 2010 , Volume 4 , Number 1; Page(s) 55 To 64.
 
Paper: 

SOLUBILIZATION OF A MONOAZO NAPHTHALIMIDE DISPERSE DYE IN THE PRESENCE OF GEMINI CATIONIC SURFACTANTS

 
 
Author(s):  GHARANJIG K.A.D.*, SADEGHI KIAKHANI M., TEHRANI BAGHA A.R.
 
* DEPARTMENT OF ORGANIC COLORANTS, INSTITUTE FOR COLOR SCIENCE AND TECHNOLOGY,TEHRAN, IRAN
 
Abstract: 

The solubilization of a monoazo disperses dye based on naphthalimide containing an ester group in the presence of DTAB and two gemini cationic surfactants was investigated. The results showed that the solubilization power of gemini surfactants micelles was greater than that of conventional surfactant micelles (DTAB) for this dye. The nature of the visible absorption spectra in aqueous surfactant solutions above CMC was very similar to those in the ethanol solution. The solubilization power is strongly dependent on the surfactant structure and nature of micelles. The absorption of used disperse dye into polyester fabrics in the presence of cationic surfactants increased in the order of DTAB>12-4-12>14-414, once again confirming the higher solubilization power for gemini surfactants even at elevated temperatures.

 
Keyword(s): DISPERSE DYE, SOLUBILIZATION, GEMINI CATIONIC SURFACTANTS, DYEING, FASTNESS PROPERTIES
 
References: 
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