Abstract This paper reports significant enhancement of corrosion resistance and electrical properties waterborne epoxy coatings through additions ceria modified graphene. Results showed that particles were uniformly distributed covalently bonded onto the surface A dense interface layer was formed between graphene matrix by aliphatic ether bonds. The composite coating with a content 0.5 wt% exhi...

Polyhedral oligomeric silsesquioxane (POSS) is a suitable nanoscale reinforcement for thermosetting polymers, such as epoxy resin systems in order to modify its mechanical, thermal and chemical properties. The inclusion of POSS the at higher loading (greater than 1 wt.%); however, it introduces ductility during fracture behavior these nanocomposites. Consequently, J-integral used quantify mater...

This study examines the effect of nano-CaCO3 particles on interlaminar shear strength (ILSS) and fracture toughness properties for carbon fiber reinforced epoxy composites. The modified composites (nC-CFECs) were prepared using vacuum assisted resin infusion (VARI) method. short beam (SBS) test single edge notch bending (SENB) conducted to calculate ILSS toughness, respectively. results illustr...

The increasing global demand for petroleum oils has led to a significant increase in their cost and the search renewable alternative waste resources biodiesel synthesis production using novel environmentally sound acceptable methods. In current study, Kocuria flava lipase was immobilized on Fe3O4/cellulose nanocomposite; used as biocatalyst conversion of cooking oil wastes into through transest...

The molecular deformation of cotton cellulose whisker/epoxy resin (CW/EP) and tunicate whisker/poly(vinyl) acetate (TW/PVAc) composites were investigated using Raman spectroscopy. A shift in the 1095 cm Raman peak position is recorded for samples deformed in both tension and compression, which corresponds to the molecular deformation of the cellulose chains within the whiskers. Cyclic molecular...

Metal corrosion is one of the most critical challenges in industrial processes. In this research, nanocomposite coating was synthesized by blending tungsten trioxide (WO3) nanoparticles with Epoxy resin and applied on brass samples to evaluate performance protection under stressed environments. A dip-coating method adopted coat sample's surface. Coated uncoated have been subjected tests study b...

DMF is one the most commonly-used solvents for preparing graphene nanocomposites. Various processing variables for DMF are being used for the preparation of epoxy/graphene nanocomposites. Whilst the emphasis of all of these reported studies are on the improvements in mechanical, and other properties, of the epoxy/graphene nanocomposites, there is no study investigating how DMF affects the proce...

A new method for preparing SWNT/epoxy nanocomposites has been developed which involves high shear mixing of the epoxy resin and SWNT and heat treating the mixture prior to introducing the hardener. The glass transition temperature of the epoxy resin is unaffected by the presence of nanotubes. An improvement of 17% in flexural modulus and 10% in flexural strength has been achieved at 0.05 wt% of...

The epoxy/glass fiber/organo-montmorillonite (OMMT) nanocomposites were prepared by hand lay up method. In the previous work, the flexural and morphological properties of the epoxy/glass fiber/OMMT were studied. In this work, the epoxy nanocomposites were characterized by X-ray diffraction (XRD), differential scanning calorimetry (DSC) and water absorption tests. The exfoliation of OMMT in epox...

In the present work, mechanical and fracture performance of a newly developed high-performance nanocomposite adhesive was characterized experimentally. The based on an epoxy resin, which modified with 10 wt% triblock copolymers (BCPs) including styrene-butadiene-methylmethacrylate (SBM) methylmethacrylate-butylacrylate-methylmethacrylate (MAM), ozone-functionalized graphene nanoplatelets (OZ-GN...