Viscosity, ultrasonic, and refractometric studies of chitosan/polyethylene glycol blend in solution at 30, 40, and 50°C

Jayaraju, J. and Basavaraju, K. C. and Keshavayya, J. and Rai, S. K. (2006) Viscosity, ultrasonic, and refractometric studies of chitosan/polyethylene glycol blend in solution at 30, 40, and 50°C. Journal of Macromolecular Science, Part B, 45 (5). pp. 741-751. ISSN 1525-609X

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Abstract

Measurements of viscosity, ultrasonic velocity, refractive index, and density of chitosan (CS)/polyethylene glycol (PEG) blends in buffer solution (0.1 M acetic acid+0.2 M sodium acetate) were carried out for different blend compositions at 30, 40, and 50 degrees C. Using the viscosity data, interaction parameters mu and alpha were computed to determine miscibility. These values revealed that the blend was miscible when the chitosan content was more than 60% of the blend. The results were further confirmed by ultrasonic velocity, density, and refractive index measurements. Further, the results revealed that the change in temperature has no significant effect on the miscibility of CS/PEG polymer blends.

Item Type:	Article
Uncontrolled Keywords:	hitosan, polyethylene glycol, blend, miscibility, viscosity, ultrasonic, refractive index
Subjects:	M Polymer Science > Polymer Science
Divisions:	PG Centre Mandya > Polymer Science
Depositing User:	LA manjunath user
Date Deposited:	30 Aug 2019 10:51
Last Modified:	30 Aug 2019 10:51
URI:	http://eprints.uni-mysore.ac.in/id/eprint/7395

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