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In this work, we reported that the highly electrical conductive poly (vinyl chloride)-solvothermally reduced graphene (PVC-STRG) nanocomposite was successfully prepared by colloidal blending method. PVC latex was synthesized by miniemulsion polymerization. The stable aqueous STRG suspension was prepared in the presence of sodium lauryl sulfate surfactant. For the first time, the simple filtration...
This paper provides a PTFE/LSEG solid self-lubricating composite that exhibits very low friction coefficient and wear rate. In present study, the influences of the content of expanded graphite with nanoscale lamellar-structure (LSEG) in PTFE/LSEG composite on tribological properties were carried out. Six compounds of PTFE with LSEG (0-30 wt. %) were evaluated on MMU-5G friction and wear tester. The...
High dispersion of nanoparticles in transparent polymer matrices is the prerequisite to maintain the transparency of matrices. However, it is hard to fabricate the nancomposites with high visible light transmittance even at low nanoparticle concentrations. In this work, highly transparent Polyvinyl Butyral (PVB)/ZnO nanocomposites were fabricated by using the two-step process. Firstly, the monodispersed...
Iron encapsulated carbon nanoparticle - polyvinyl chloride composite films have been prepared by solvent mixing and drying method. The films were characterized by scanning electron microscope (SEM) and high resolution transmission electron microscope (HRTEM). A 5 nm thin graphitic carbon coating is observed on cubic Fe nanoparticles. The microwave absorption studies by wave guide technique in the...
In previous reported work we found an unusual dielectric behavior for alumina filled nanocomposites which relates to very different dynamics for adsorbed water in the materials. This was shown to depend on the polarity of the polymer matrix. In some cases, the dielectric loss peak observed in the low frequency region shifted to lower frequency with increasing temperature. This is opposite to common...
The purpose of this study was to prepare a 3D nanocomposite bone substitute prepared from gelatin (GEL) and synthesized hydroxyapatite (HAP) in order to mimic natural bone feathers through a novel layer solvent casting combined freeze-drying technique. The adhesion between superimposed layers was ensured by applying a GEL solution. Furthermore, samples were cross-linked with 1% glutaraldehyde (GA)...
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