بررسی تاثیر نانوذرات FMBO بر ساختار و مورفولوژی نانوالیاف کامپوزیتی PVDF/FMBO
الموضوعات : فصلنامه کیفیت و ماندگاری تولیدات کشاورزی و مواد غذاییپریسا علی احمدی پور 1 , رسول جمشیدی گوهری 2 , دادخدا غضنفری 3
1 - دانشجوی دکتری، گروه شیمی آلی، دانشکده شیمی، واحد کرمان، دانشگاه آزاد اسلامی، کرمان، ایران
2 - استادیار، گروه مهندسی شیمی، دانشکده فنی و مهندسی، واحد بردسیر، دانشگاه آزاد اسلامی، بردسیر، ایران
3 - استادیار، گروه شیمی آلی، دانشکده شیمی، واحد کرمان، دانشگاه آزاد اسلامی، کرمان، ایران
الکلمات المفتاحية: الکتروریسی, نانوذرات, نانوالیاف, فاز, پلی‌وینیلیدن‌فلوراید,
ملخص المقالة :
تحقیقات اخیر نشان داده است نانوالیاف بلند و متخلخل به عنوان یکی از ایمن‌ترین نانو مواد بدلیل تولید قابل کنترل، داشتن سطح ویژه بالا و ساختار ماتریس پیوسته می‌تواند انتخاب مناسبی به عنوان میزبان، جهت طیف گسترده‌ای از تحقیقات باشد. در این پژوهش در ادامه مطالعه پیشین نویسندگان، فازهای ساختاری نانو‌الیافی که توسط ادغام مواد معدنی به ماتریس پلیمری در محدوده صفر تا 0.5 از ترکیب پلی‌وینیلیدین فلوراید (PVDF) و نانوذرات اکسید دوتایی آهن/منگنز (FMBO) سنتز شده بود بررسی و ویژگی‌های آنها با توجه به ساختار و مشخصات سطح با استفاده از SEM و TEM تعیین شد. با توجه باینکه گزارشهای مربوط به تجزیه و تحلیل فازهای β ،α و γ اغلب بر اساس داده‌‌های اندازه‌گیری شده دارای دیدگاه‌‌های متفاوتی است در این تحقیق، با بررسی باندهای ارتعاشی FTIR و مشخصات XRD فازهای ساختاری نانوالیاف الکتروریسی PVDF و PVDF/FMBO ارزیابی و با استفاده از نتایج FTIR به‌طور خاص با بررسی باندهای 762 و 612، 1275 و 1234 cm-1 و تطابق آن با نتایج XRD و مرور تحقیقات منتشر شده به ترتیب فازهای β ،α و γ متمایز گردید.
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