Crystallization Behavior of Polypropylene/Graphene Nanoplatelets Nanocomposite Fiber

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Semnani Rahbar R.; KALANTARI B.; Mohaddes Mojtahedi M.R.

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Journal: ADVANCED MATERIALS AND NOVEL COATINGS Year:2019 | Volume:8 | Issue:30 Page(s): 2152-2165

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Title

Crystallization Behavior of Polypropylene/Graphene Nanoplatelets Nanocomposite Fiber

Author(s)

Semnani Rahbar R. | KALANTARI B. | Mohaddes Mojtahedi M.R. | Issue Writer Certificate

Keywords

Polyprorpylene

Graphene Nanoplatelets

Non-Isothermal Crystallization

Abstract

Both physical and mechanical properties of a semi-crystalline polymer are highly related to the crystallization behavior and morphology development during processing. In the present work, Non-Isothermal Crystallization of polypropylene/Graphene Nanoplatelets (PP/GnPs) nanocomposite fibers containing 0. 1, 0. 5, and 1% GnPs was investigated by differential scanning calorimetry (DSC). The Ozawa and Mo methods were used to fit the primary stage of Non-Isothermal Crystallization of the samples. Moreover, the nucleation activity and the crystallization activation energy of GnPs in the PP matrix were calculated by Dobreva’ s approach and Friedman’ s method, respectively. The results show that the crystallization peak shifted to the lower temperatures with increasing cooling rate. Contrary to Ozawa method, it was observed that Mo approach could describe the Non-Isothermal Crystallization process of PP and PP/GnPs nanocomposite fibers satisfactory. Furthermore, the maximum and minimum nucleation activity was observed for PP/G-0. 1 and PP/G-1 nanocomposite fibers, respectively. Crystallization activation energy decreased in the presence of GnPs, indicating that it is easier for the PP/GnPs to crystallize. Although GnPs work as a nucleating agent, they also act as a barrier to molecular mobility and reduce the growth rate, resulting in a more depressed crystallization for PP/GnPs nanocomposite fibers.

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APA: Copy

Semnani Rahbar, R., KALANTARI, B., & Mohaddes Mojtahedi, M.R.. (2019). Crystallization Behavior of Polypropylene/Graphene Nanoplatelets Nanocomposite Fiber. ADVANCED MATERIALS AND NOVEL COATINGS, 8(30 ), 2152-2165. SID. https://sid.ir/paper/270254/en

Vancouver: Copy

Semnani Rahbar R., KALANTARI B., Mohaddes Mojtahedi M.R.. Crystallization Behavior of Polypropylene/Graphene Nanoplatelets Nanocomposite Fiber. ADVANCED MATERIALS AND NOVEL COATINGS[Internet]. 2019;8(30 ):2152-2165. Available from: https://sid.ir/paper/270254/en

IEEE: Copy

R. Semnani Rahbar, B. KALANTARI, and M.R. Mohaddes Mojtahedi, “Crystallization Behavior of Polypropylene/Graphene Nanoplatelets Nanocomposite Fiber,” ADVANCED MATERIALS AND NOVEL COATINGS, vol. 8, no. 30 , pp. 2152–2165, 2019, [Online]. Available: https://sid.ir/paper/270254/en

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