Titre :
|
Viscosity-temperature-concentration relationship for starch-DMSO-water solutions
|
Auteurs :
|
C. De Vasconcelos ;
F. De Azevedo ;
M. Pereira ;
J. Fonseca
|
Type de document :
|
article/chapitre/communication
|
Année de publication :
|
2000
|
Format :
|
p. 181-184
|
Langues:
|
= Anglais
|
Catégories :
|
CHIMIE
|
Mots-clés:
|
RHEOLOGIE
;
VISCOSITE
;
AMIDON
;
CONCENTRATION
;
TEMPERATURE
|
Résumé :
|
The rheological behavior of starch-DMSO-water solutions was monitored using a cone-plate rheometer at different temperatures and concentrations. A solvent ratio DMSO/water = 80/20 was used and viscosity was correlated with temperature through the Arrhenius equation. The dilute to semidilute flow regime transition concentration, c* (which was independent of temperature), was characterized by a change in the value of apparent energy of activation. At c
|
Source :
|
Carbohydrate Polymers, vol.41
|