✦ LIBER ✦

Calorimetric glass transitions in the amorphous forms of water: a comparison

✍ Scribed by Erwin Mayer

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 587 KB
Volume: 250
Category: Article
ISSN: 0022-2860
DOI: 10.1016/0022-2860(91)85044-4

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Calorimetric study of the glass transiti

Calorimetric study of the glass transition occuring in fructose solutions

✍ Stephen Ablett; Martin J. Izzard; Peter J. Lillford; I. Arvanitoyannis; John M.V 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 626 KB

The glass transition temperatures for dilute and concentrated fructose-water solutions have been determined by differential scanning calorimetry . The supplemented phase diagram is presented, and from this, the glass transition temperature (Tg) and concentration (Cg) of the maximally freeze-concentr

Differential scanning calorimetric studi

Differential scanning calorimetric studies on the glass transition temperature of polyhydroxystyrene derivatives containing sorbed water

✍ K. Nakamura; T. Hatakeyama; H. Hatakeyama 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 391 KB

Prediction of the onset of crystallizati

Prediction of the onset of crystallization of amorphous sucrose below the calorimetric glass transition temperature from correlations with mobility

✍ Chandan Bhugra; Shailaja Rambhatla; Aziz Bakri; Sarma P. Duddu; Danforth P. Mill 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 183 KB

The objective of the present work is to determine if crystallization onset observed for an amorphous solid correlate with relaxation time at temperatures above and below the calorimetric glass transition (T g ). Crystallization onset of spray-dried and freeze-dried amorphous sucrose were measured ca

Thermal analysis of frozen solutions: Mu

Thermal analysis of frozen solutions: Multiple glass transitions in amorphous systems

✍ Gregory A. Sacha; Steven L. Nail 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 386 KB

Frozen aqueous solutions of sucrose exhibit two "glass transition-like" thermal events below the melting endotherm of ice when examined by DSC, but the physical basis of these events has been a source of some disagreement. In this study, a series of sugars, including sucrose, lactose, trehalose, mal

Understanding the physical stability of

Understanding the physical stability of freeze dried dosage forms from the glass transition temperature of the amorphous components

✍ Shaun Fitzpatrick; Robert Saklatvala 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 150 KB

Modulated differential scanning calorimetry has been applied to understanding the long-term physical stability of freeze-dried units. It is known that these units are liable to contract on exposure to elevated temperature or humidity. The contraction occurs when the storage temperature is above the

Creep behavior of amorphous ethylene–sty

Creep behavior of amorphous ethylene–styrene interpolymers in the glass transition region

✍ H. Y. Chen; E. V. Stepanov; S. P. Chum; A. Hiltner; E. Baer 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 201 KB 👁 2 views

The viscoelastic behavior of amorphous ethylene-styrene interpolymers (ESIs) was studied in the glass transition region. The creep behavior at temperatures from 15°C below the glass transition temperature (T g ) to T g was determined for three amorphous ESIs. These three copolymers with 62, 69, and