Raman Spectra and Mechanical Properties of Graphene/Polypropylene Nanocomposites
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TLDR
In this paper, the effect of filler loading and average surface area of filler in PP/GnP composites on Raman spectrum and tensile properties were studied, and increased of graphene nanoplatelets loading have increased the value of modulus of elasticity, whereas tensile strength, elongation at break of composites reduced.Abstract:
Graphene/Polypropylene nanocomposites were prepared at different filler loading and different average surface diameter 5, 15 and 25μm of graphene nanoplatelets by using Haake Minilab mixer at 180C and rotor speed 50rpm. Besides, Haake MiniJet is used to obtain dumbbell shape specimen. The effect of filler loading and average surface area of filler in PP/GnP composites on Raman spectrum and tensile properties were studied. Raman spectrum of graphene particles indicate three major spectrums such as D, G and 2D band. In addition, PP/GnP composites shows the Raman band shift quite strong by increasing GnP loading. In general, increased of graphene nanoplatelets loading have increased the value of modulus of elasticity, whereas tensile strength, elongation at break of composites reduced.read more
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Raman Spectra of Carbon-Based Materials (from Graphite to Carbon Black) and of Some Silicone Composites
TL;DR: In this paper, the dispersion behavior of the D and G' Raman bands, that is, their shift to higher frequencies with increasing laser excitation energy, is used to assess the interfacial properties between the filler and the surrounding polymer in the composites.
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Polypropylene Nanocomposite Filled with Spinel Ferrite NiFe2O4 Nanoparticles and In-Situ Thermally-Reduced Graphene Oxide for Electromagnetic Interference Shielding Application
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TL;DR: The fabricated lightweight NiFe2O4-RGO-Polypropylene nanocomposites have potential as a high performance electromagnetic interference shielding nanocomosites with the variation of reduced graphene oxide content.
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Immobilization of Graphene Oxide on the Permeate Side of a Membrane Distillation Membrane to Enhance Flux.
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Polypropylene/Graphene Nanocomposites: Effects of GNP Loading and Compatibilizers on the Mechanical and Thermal Properties
Mohammad A. Al-Saleh,Abdirahman Ali Yussuf,Salah Al-Enezi,Roaya Kazemi,Mat Uzir Wahit,Tahani Al-Shammari,A. Al-Banna +6 more
TL;DR: In this research work, graphene nanoplatelets (GNP) were selected as alternative reinforcing nanofillers to enhance the properties of polypropylene (PP) using different compatibilizers calledpolypropylene grafted maleic anhydride (PP-g-MA) and ethylene-octene elastomer graftedmaleic anHydride (POE-g -MA).
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Some Applications of Vibrational Spectroscopy for the Analysis of Polymers and Polymer Composites
TL;DR: The use of fiber-optic-based spectrometers has broadened the use of vibrational spectroscopy for process monitoring in various fields including polymerization, curing, and manufacturing processes as mentioned in this paper.
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