کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
687659 | 889342 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
In situ steady state fluorescence (SSF) technique to study drying of PAAm hydrogels made of various cross-linker contents
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
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چکیده انگلیسی
Drying experiments of polyacrylamide (PAAm) gels were performed using steady-state fluorescence (SSF) spectrometer. Pyranine (P) was introduced as a fluorescence probe and intensity of P from various cross-linker content gel samples was monitored. It was observed that the intensity of P increased during the in situ drying processes. Gravimetrical and volumetric experiments were also performed. An empirical model was derived and introduced to determine the desorption coefficient, D of water molecules from the drying PAAm gels. It is observed that D increased as the cross-linker content was increased.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering and Processing: Process Intensification - Volume 48, Issue 2, February 2009, Pages 600–605
Journal: Chemical Engineering and Processing: Process Intensification - Volume 48, Issue 2, February 2009, Pages 600–605
نویسندگان
Gülşen Akın EVİNGÜR, Demet Kaya AKTAŞ, Önder PEKCAN,