Synthesis and application of a new graphene-based flame-retardant in PVA composites

  • سال انتشار: 1393
  • محل انتشار: پانزدهمین کنگره ملی مهندسی شیمی ایران
  • کد COI اختصاصی: ICHEC15_552
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 705
دانلود فایل این مقاله

نویسندگان

Hossien Mahdavi

Authors’ Addresses: Department of polymer chemistry, Faculty of chemistry, university of Tehran, Tehran, Iran.

Mehdi Khoobi

Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran ۱۴۱۷۶,

Mostafa Zamani

Authors’ Addresses: Department of polymer chemistry, Faculty of chemistry, university of Tehran, Tehran, Iran.

چکیده

A novel flame retardant poly(vinyl alcohol) (PVA)/hydroxy apatite–graphene oxide (Hap-GO) nanocomposite has been prepared by solvent blending. In the present work, graphene oxide were introduced as templates to fabricate hydroxyapatite (HA) using a facile solution-based in situ synthesis method, and GO–HA were successfully prepared. Results from X-ray diffraction (XRD) and The Fourier transformed infrared (FTIR) indicate that HA is synthesized on graphene oxide. The thermal and flammability properties of the nanocomposite were investigated using thermogravimetry analysis (TGA). The presence of both Hap and graphene in the polymer matrix especially with 5 wt% (Hap-GO) leads to an increase in the amount of char in 700 C from 0.5% to 11.9%. HaP-GO nanocomposites with phosphorus and graphene layer structures were found to Contribute to excellent flame retardancy compared to that of neat poly(vinyl alcohol). Therefore, the synergistic effect of HaP-GO is quite useful, and this material can be utilized as a potential flame retardant.

کلیدواژه ها

Composite materials, Graphene, flameretardant, hydroxy apatite

مقالات مرتبط جدید

اطلاعات بیشتر در مورد COI

COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.

کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.