Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites

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KAZEMI MOJTABA; Mortazaei Mehrzad; Amiri Amraie Iraj

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Journal Paper

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Journal: Iranian Journal of Polymer Science and Technology Year:2020 | Volume:32 | Issue:5 Page(s): 439-448

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Information Journal Paper

Title

Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites

Author(s)

KAZEMI MOJTABA | Mortazaei Mehrzad | Amiri Amraie Iraj | Issue Writer Certificate

Keywords

benzoxazineQ1

epoxyQ2

high modulusQ1

nanosilicaQ2

blendQ3

Abstract

Hypothesis: Today, thermoset resins are one of the most widely used resins in various industries including aerospace and automotive industries. In this respect, epoxy resins are of particular importance. Strengthening the mechanical properties of this resin for use in special applications has always been a requirement of the industry. Thereby, an attempt was made to improve the tensile modulus of epoxy resin using benzoxazine resin based on aniline and bisphenol A (BA-a) and silica nanoparticles (Si). Method: Due to the lack of availability of epoxy resin and to achieve the scientific ability of producing epoxy-benzoxazine composites, benzoxazine resin was synthesized by solvent method and then the solvent was removed. Subsequently, Fourier transform infrared spectroscopy (FTIR), proton nuclear magnetic resonance (1HNMR) and differential scanning calorimetry (DSC) tests were used to verify the structural nature of the synthesized resin and evaluate its thermal properties. After making sure that the benzoxazine resin was produced and familiarized with its process properties, epoxy resin blending was performed. Finding: The results of this work showed that the tensile modulus of epoxybenzoxazine-based composite (80: 20 wt/wt%) (EB-82) (3. 9 GPa) is 17% higher than a neat epoxy resin (3. 33 GPa). By increasing the amount of benzoxazine resin to 30%, the mechanical properties did not change. Therefore, EB-82 was used to make other composites. In nanocomposites with 2 and 4 wt% nanosilica, the tensile modulus increased to about 26 and 51% (4. 1 and 1. 5 GPa, respectively). These interesting results were attributed to the good interaction between the components and the good filler dispersion.

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APA: Copy

KAZEMI, MOJTABA, Mortazaei, Mehrzad, & Amiri Amraie, Iraj. (2020). Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 32(5 ), 439-448. SID. https://sid.ir/paper/6693/en

Vancouver: Copy

KAZEMI MOJTABA, Mortazaei Mehrzad, Amiri Amraie Iraj. Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2020;32(5 ):439-448. Available from: https://sid.ir/paper/6693/en

IEEE: Copy

MOJTABA KAZEMI, Mehrzad Mortazaei, and Iraj Amiri Amraie, “Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 32, no. 5 , pp. 439–448, 2020, [Online]. Available: https://sid.ir/paper/6693/en

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