EFFECT OF MOLECULAR STRUCTURE ON THE THERMAL PROPERTIES AND WATER SORPTION OF THIN GELATIN FILMS

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BADIEI F.; FARHAAT EMAD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: Iranian Journal of Polymer Science and Technology Year:2008 | Volume:21 | Issue:1 (ISSUE NO. 93) Page(s): 27-34

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Title

EFFECT OF MOLECULAR STRUCTURE ON THE THERMAL PROPERTIES AND WATER SORPTION OF THIN GELATIN FILMS

Author(s)

BADIEI F. | FARHAAT EMAD | Issue Writer Certificate

Keywords

GELATIN FILMQ3

CRYSTALQ3

GLASS TRANSITION TEMPERATUREQ2

SORPTION/DESORPTION ISOTHERMQ3

DIFFUSION COEFFICIENTQ3

Abstract

The thin GELATIN FILMs, prepared by casting of gelatin solutions at different drying temperatures, had different molecular morphologies as monitored, using wide angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC) techniques. It was revealed that GELATIN FILMs dried at lower temperatures showed markedly higher CRYSTALline or helical structure with slightly higher Tg and lower DCp than those for the hot dried film with more coiled structure. These films exhibited different interactions with water, which were assessed, using dynamic vapour sorption experiments. The sorption capacity of these films increased with increasing the degree of molecular order. There was no difference between the DIFFUSION COEFFICIENTs obtained upon sorption and desorption steps for each gelatin samples. The DIFFUSION COEFFICIENT did not show any significant dependence on water content.

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APA: Copy

BADIEI, F., & FARHAAT, EMAD. (2008). EFFECT OF MOLECULAR STRUCTURE ON THE THERMAL PROPERTIES AND WATER SORPTION OF THIN GELATIN FILMS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 21(1 (ISSUE NO. 93)), 27-34. SID. https://sid.ir/paper/6145/en

Vancouver: Copy

BADIEI F., FARHAAT EMAD. EFFECT OF MOLECULAR STRUCTURE ON THE THERMAL PROPERTIES AND WATER SORPTION OF THIN GELATIN FILMS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2008;21(1 (ISSUE NO. 93)):27-34. Available from: https://sid.ir/paper/6145/en

IEEE: Copy

F. BADIEI, and EMAD FARHAAT, “EFFECT OF MOLECULAR STRUCTURE ON THE THERMAL PROPERTIES AND WATER SORPTION OF THIN GELATIN FILMS,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 21, no. 1 (ISSUE NO. 93), pp. 27–34, 2008, [Online]. Available: https://sid.ir/paper/6145/en

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