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تاثیر اشعه گاما بر خصوصیات فیزیکی، مکانیکی، مورفولوژی و دوام بیولوژیکی چند سازه چوب پلاستیک | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| مقاله 8، دوره 37، شماره 1 - شماره پیاپی 78، فروردین 1401، صفحه 86-98 اصل مقاله (912.97 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijwpr.2021.356586.1702 | ||
| نویسندگان | ||
| محمد حامد شجاعی1؛ امیر هومن حمصی* 2؛ محمد طلایی پور3؛ اسماعیل قاسمی4 | ||
| 1گروه مهندسی چوب و کاغذ، دانشکده منابع طبیعی و محیط‌زیست، واحد علوم و تحقیقات تهران، دانشگاه آزاد اسلامی، تهران، ایران | ||
| 2استاد، گروه صنایع چوب و کاغذ، دانشکده منابع طبیعی و محیط‌زیست، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران | ||
| 3دانشیار، گروه علوم و صنایع چوب و کاغذ، دانشکده منابع طبیعی و محیط‌زیست، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران | ||
| 4دانشیار، گروه فرایند، پژوهشگاه پلیمر و پتروشیمی ایران، پژوهشگاه فرایند، تهران، ایران | ||
| چکیده | ||
| اخیراً استفاده از پرتوهای یونیزه کننده مانند اشعه گاما در پلیمرها به دلیل اصلاح خصوصیات آنها، توجه زیادی از محققان را به خود جلب کرده است. ازاین‌رو، در این تحقیق از پلی‌پروپیلن به‌عنوان ماتریس چندسازه و ماده سازگارکننده مالیک انیدرید (MAPP) و چوب صنوبر را به‌عنوان پرکننده تحت تابش اشعه گاما با دوزهای مختلف از 0 تا kGy 75 قرار دادیم. قارچ پوسیدگی سفید (Trametes versicolor) و قارچ پوسیدگی قهوهای (Gloeophyllum Trabeum) برای آزمودن پوسیدگی قارچی استفاده شد. هدف اصلی این مطالعه، بررسی مزایای احتمالی تابش اشعه گاما برای بهبود برخی خصوصیات فیزیکی و مکانیکی چندسازه‌ها و همچنین بررسی تخریب بیولوژیکی در اثر پوسیدگی قارچی آنها بود. نتایج نشان داد، تابش اشعه گاما خصوصیات فیزیکی و مکانیکی چندسازه را بهبود و دوام بیولوژیکی آنها را در برابر قارچ‌های پوسیدگی سفید و قهوهای افزایش می‌دهد. همچنین یکنواختی میکروگراف‌های حاصل از میکروسکوپ الکترونی روبشی (SEM) نشان داد که با تشعشعات گاما به چندسازه می‌توان شاهد بهبود تعامل بین الیاف پلیمر و چوب بود. | ||
| کلیدواژه‌ها | ||
| چند سازه؛ اشعه گاما؛ قارچ پوسیدیگی؛ تخریب بیولوژیکی | ||
| عنوان مقاله [English] | ||
| Effect of Gamma-Ray on the Physical, Mechanical, Morphological and, Biological durability Properties of WPC Composite | ||
| نویسندگان [English] | ||
| Mohammad hamed Shojaie1؛ Amir Hooman Hemmasi2؛ Mohammad Talaei poor3؛ Esmail Ghasemi4 | ||
| 1Department of Wood and Paper Science and Technology, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 2Professor, Department of Wood and Paper Science and Technology, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 3Associate Professor, Department of Wood and Paper Science and Technology, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 4Full Prof., Iran Polymer and Petrochemical Institute, Tehran, Iran. | ||
| چکیده [English] | ||
| Utilization of ionizing rays like gamma-ray in polymers to correct their properties has attracted so much attention from researchers. Therefore, in this study, polypropylene as the composite matrix, maleic anhydride (MAPP) as the compatibilizer material, and poplar wood as the filler were placed under the radiation of gamma-ray with different doses from 0 to 75 kGy. The white rot fungi (Trametes versicolor) and, brown rot fungi (Gloeophyllum Trabeum) were used in fungal decay test. The main purpose of this study is to investigate the probable benefits of gamma-ray radiation for improvement of some of the composites physical and mechanical properties, and also, to investigate the biodegradation in fungal decay and thermal properties. The results indicates that radiation of gamma-ray improves the physical and mechanical properties of some structures, and the decay resistance of the WPCs against brown and white rot fungus according to their weight losses. The uniformity of the micrographs obtained from the scanning electron microscope (SEM) indicated that the interaction between the polymer and wood fibers. | ||
| کلیدواژه‌ها [English] | ||
| Wood polymer composites, Gamma radiation, Fungal decay, Biodegradation | ||
| مراجع | ||
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