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Chemically modified graphene (CMG) was obtained by combining aminopropyllsobutyl polyhedral oligomeric silsesquioxane (NH2-POSS) and hydrazine monohydrate to functionalize graphene oxide (GO). CMG and polyimide (PI) were combined to create the CMG/PI nanocomposite. The properties of this nanocomposite were obtained using a variety of methods. The thermal conductivity measurements were performed using a TPS instrument by utilizing the transient plane source (TPS) method. It was found that the thermal ...
This article explored the recent discoveries that have been made regarding the thermal conductivity of polymeric nanocomposites. The thermal conductivities were found using several methods: comparative method, laser flash method, stable state method, the "two thermometer-one heater" method, line-source method and transient plane source (TPS) technique. The TPS technique was used measure the thermal transport properties of nanocomposites in a copolymer matrix....
This article explored the thermal behavior of epoxy nanocomposites containing different types of nanofillers, such as 1-D Multiwall Carbon Nanotubes (MWCNTs) and 2-D predominant shape of Exfoliated Graphite nanoparticles (EG). The thermal conductivity measurements were conducted using a thermal constants analyzer which is based on the transient plane source (TPS) technique. The measurements indicated that better heat conduction is found in epoxy systems loaded with 2-D predominant shape of Exfoliated ...
This article investigates the effects of two types of nanoparticles, OctaMethylOligomericSilsesquioxanes (OMPOSS) and carbon nanotubes (CNTs), in a model epoxy resin. Intumescent phosphorous-based flame-retardant (APP) was also incorporated with the CNTs. Thermal conductivity of nanocomposites was measured using a thermal analyser with the transient plane source method. Epoxy with APP and OMPOSS had increasing thermal conductivity below the glass transition temperature (Tg) but slowed above Tg. When APP and CNTs ...
This study aimed at developing polymer-based dielectric materials with high charge-discharge efficiency and large energy density at high temperatures. A polymer nanocomposite was formed using c-BCB polymer matrix with two-dimensional hexagonal boron nitride nanosheets (BNNS). Using a transient technique, thermal conductivity was measured with a Thermal Analyzer. The incorporation of BNNS into PMMA was found to increase thermal conductivity and enhance properties of the nanocomposites....
