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Polyolefins Journal، جلد ۴، شماره ۱، صفحات ۶۹-۷۷
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عنوان انگلیسی Preparation of high performance PP/ reduced graphene oxide nanocomposites through a combined in situ polymerization and masterbatch method
چکیده انگلیسی مقاله Despite the great potential of graphene as a nanofiller, achieving homogeneous dispersion remains the key challenge for effectively reinforcing polyolefin (such as polyethylene (PE) and polypropylene (PP)) nanocomposites. Therefore, in this research, we report a facile combined in situ polymerization and masterbatch method for fabricating PP/reduced graphene oxide (rGO) nanocomposites. In the polymerization stage, the synthesized catalyst exhibited a very high activity toward propylene polymerization, while the resultant PP/rGO with a very high isotactic index (I.I. = 99.3), broad molecular weight distribution (Mw/Mn = 14.9), and thermal stability was produced. After meltblending with commercial PP, a significantly increased modulus along with no observable change in tensile strength and elongation-at-break were achieved via the addition of a very small amount of rGO; these properties resulted from the suitable dispersion and good interface adhesion of the graphene sheet and PP matrix. Thus, this work provides a method for production of high performance PP.
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نویسندگان مقاله he xin زانگ | he xin
department of polymer science and engineering, kyungpook national university, korea

seung ri lee | seung ri
department of polymer science and engineering, kyungpook national university, korea

دانک ho lee | dong ho
department of polymer science and engineering, kyungpook national university, korea

xue quan زانگ | xue quan
key lab. of synthetic rubber, changchun institute of applied chemistry, chinese academic of science, china

keun byoung yoon | keun byoung
department of polymer science and engineering, kyungpook national university, korea

نشانی اینترنتی http://poj.ippi.ac.ir/article_1375_f77be0f1e00a66e2d409a4dda7cfacd2.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/531/article-531-279615.pdf
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