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International journal of Advanced Biological and Biomedical Research، جلد ۱، شماره ۱۲، صفحات ۱۶۱۴-۱۶۲۷
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Temperature Effect on Swelling Properties of Commercial Polyacrylic Acid Hydrogel Beads |
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| چکیده انگلیسی مقاله |
Due to the fact that many application processes take place at different temperature, better examining and understanding of swelling properties as a function of temperature is essential for such application. The temperature effect on the swelling properties of commercial polyacrylic acid (PAA) hydrogel beads was investigated as a function of time and temperature. Gel bead size, swelling equilibrium capacity, diameter, weight, water retention, swelling ratio, welling degree and fractional hydration were studied to investigate the swelling properties of hydrogel bead at a given temperature. Diffusion type and its related parameters were studied and calculated. The kinetic model was applied on experimental data using second order model, the kinetic parameters were calculated. The maximum swelling ratio was calculated as 233.7 at 40 ˚C. In experiment of the swelling non- Fickian diffusion was found |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
dr احمد |
dept. of chemistry, college of science, university of wasit, wasit, iraq
m سعید |
dept. of chemistry, college of science, university of wasit, wasit, iraq
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| نشانی اینترنتی |
http://www.ijabbr.com/article_7942_4eab21330deb04e601345c6ca47e4b83.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/2255/article-2255-303517.pdf |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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