Binary glass-forming materials

Mixtures of sorbitol and glycerol

Kalyan Duvvuri, Ranko Richert

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The dynamics of sorbitol/glycerol mixtures across the entire composition range has been characterized by dielectric relaxation measurements for frequencies between 10 mHz and 10 MHz. We explore the gradual change in the glass transition temperature (T g), fragility (m), nonexponentiality (β KWW), and occurrence of a secondary Johari-Goldstein type relaxation as a function of the mole fraction. Regarding the crystallization tendency at room temperature and the freezing of molecular motion below T g, these mixtures differ qualitatively from aqueous solutions of sugars or other polyols.

Original languageEnglish (US)
Pages (from-to)10451-10456
Number of pages6
JournalJournal of Physical Chemistry B
Volume108
Issue number29
DOIs
StatePublished - Jul 22 2004

Fingerprint

Sorbitol
glycerols
Glycerol
Glass
glass
Dielectric relaxation
Polyols
sugars
Crystallization
Freezing
Sugars
glass transition temperature
freezing
tendencies
occurrences
crystallization
aqueous solutions
room temperature
Chemical analysis
Temperature

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Binary glass-forming materials : Mixtures of sorbitol and glycerol. / Duvvuri, Kalyan; Richert, Ranko.

In: Journal of Physical Chemistry B, Vol. 108, No. 29, 22.07.2004, p. 10451-10456.

Research output: Contribution to journalArticle

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