Effect of Urea on the Mechanical Properties of Gelatin Films Photocured with 2-Ethylhexyl Acrylate

被引：0
作者：
Farhana Gul-E-Noor
Mubarak A. Khan
Sushanta Ghoshal
Ruhul A. Khan
Russel A. Mazid
A. M. Sarwaruddin Chowdhury
机构：
[1] University of Dhaka,Department of Applied Chemistry and Chemical Technology
[2] Radiation and Polymer Chemistry Laboratory,Department of Chemical Engineering and Polymer Science
[3] Institute of Nuclear Science and Technology,undefined
[4] Bangladesh Atomic Energy Commission,undefined
[5] Shahjalal University of Science and Technology,undefined
来源：
Journal of Polymers and the Environment | 2010年 / 18卷
关键词：
Gelatin; Films; UV radiation; Urea; 2-Ethylhexyl acrylate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thin films of gelatin were prepared by casting. Then the films were photocured and the mechanical properties were studied. The tensile strength of UV cured gelatin films showed about 10% enhancement than that of raw gelatin films. Minor amount of urea (1–5%) was used as additive in aqueous gelatin solution and films were prepared using same technique. Four formulations were prepared in methanol with 2-ethylhexyl acrylate in the presence of photoinitiator (darocur-1664). The films were soaked in the prepared formulations and then cured under UV radiation at different intensities (5–25 passes). Percentage of urea, monomer concentration, soaking time and radiation intensities were optimized with the extent of polymer loading, TS and elongation at break of the photocured film. The films containing 2% urea, cured with 3% EHA for 3 min at 15th UV pass showed the highest mechanical properties. A significant improvement of TS (31%) occurred when EHA (3%) was incorporated.
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页码：224 / 230
页数：6
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