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Recommended Papers for: Dynamic Mechanical Analysis (DMA)

Total Papers Found: 9

Physical study of room-temperature-cured epoxy/thermally reduced graphene oxides with various contents of oxygen-containing groups

Epoxy nanocomposites containing thermally reduced graphene oxides (TRGs) with different oxygen contents were prepared and their mechanical and thermal properties were investigated. It was found that increasing the number of oxygen containing groups on the TRGs resulted in reduced agglomeration of the graphene oxides within the epoxy matrix. Therefore, in samples with a higher oxygen content, a higher interfacial contact area is present between the organic and inorganic phases in ...

Author(s): , , , , , , ,

Processing of polyurethane/carbon nanotubes composites using novel minimixer

Polytetramethylene ether glycol (PTMEG) was used to functionalize multi-walled carbon nanotube (MWNT) by grafting to produce MWNT-g-PTMEG. These functionalized nanotubes were then dispersed in thermoplastic polyurethane (TPU) to form a TPU/MWNT nanocomposite. It was found that the functionalization resulted in improved dispersion of the nanotubes in the TPU material. The tensile strength and elongation at break of the nanocomposite were also enhanced by the addition of the nanotubes in ...

Author(s): , , , , , , ,

Enhancement of physical properties of electroactive polyimide nanocomposites by addition of graphene nanosheets

The thermal imidization method was used to prepare an electroactive polyimide/graphene nanocomposite (EPGN) material membrane. It was determined that the composites that were formed had improved mechanical strength, thermal stability, and thermal conductivity, as well as an improved dielectric constant and a decreased gas permeability in comparison to electroactive polyimide membranes....

Author(s): , , , , , , , ,

Influence of the Presence and Amount of Metal Nanoparticles on the Thermal and Mechanical Properties of iPP/Soft Paraffin Wax Phase Change Materials for Thermal Energy Storage

Nanocomposite phase change materials (PCMs) were prepared by adding silver nanoparticles to isotactic polypropylene (iPP) and an iPP/paraffin wax phase change materials. The Ag nanoparticles were found to be well dispersed in both iPP and the iPP/wax composite, and filler agglomeration was found to increase with increasing filler content. The nanoparticles did not significantly affect the modulus of the iPP on its own, but when Ag and paraffin ...

Author(s):

Systematically comparative studies on the preparation and physical properties of PMMA–silica mesocomposite and nanocomposite membranes

PMMA/silica mesocomposites (PSM) and nanocomposites (PSN) were synthesized by incorporating vinyl-modified mesoporous silica (VMS) or silica particles into the poly (methyl methacrylate). The prepared composites were characterized by TEM and GPC. Thermal conductivity and gas permeability measurements were performed on the composites using a thermal constants analyzer and Yanco GTR-31 gas permeability analyzer, respectively. It was determined that an increase in the content of nanoscale silica particles improved the ...

Author(s): , , , , ,