کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11032207 | 1645658 | 2018 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Mechanical testing and reinforcing mechanisms of a magnetic field-sensitive hydrogel prepared by microwave-assisted polymerization
ترجمه فارسی عنوان
تست مکانیکی و تقویت کننده هیدروژل حساس به مغناطیسی آماده شده توسط پلیمریزاسیون با کمک مایکروویو
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
چکیده انگلیسی
A novel magnetic field-sensitive composite hydrogel was prepared by microwave-assisted polymerization of salecan and 3-acrylamidopropyl trimethylammonium chloride in the presence of Fe3O4@tannic acid (TA) nanoparticles. FT-IR spectroscopy confirmed the formation of the copolymer structure. XRD patterns clearly showed the crystal planes of Fe. TGA verified that incorporation of Fe3O4@TA nanoparticles into the copolymer matrix greatly enhanced the thermal stability of the composite hydrogel. The water uptake, retention, saturation magnetization and pore size can be well modulated by changing Fe3O4@TA content. More importantly, mechanical tests revealed that the compressive and storage moduli were significantly improved by the introduction of Fe3O4@TA nanoparticles or application of external magnetic field, probably due to the particles alignment and subsequent structural rearrangement of polymer chains under the magnetic field. The reinforcement mechanism reported here offers a universal strategy for enhancing the comprehensive mechanical properties of polysaccharide-based materials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Testing - Volume 71, October 2018, Pages 344-351
Journal: Polymer Testing - Volume 71, October 2018, Pages 344-351
نویسندگان
Xinyu Hu, Yongmei Wang, Man Xu, Liangliang Zhang, Jianfa Zhang, Wei Dong,