mixing conditions of nbr/pvc nanocomposites such as mixing temperature, rotor speed and mixing time are determining parameters in rheological, mechanical and morphological properties of the compound. three levels were chosen for each parameter using design expert software via box-behnken method. the nanocomposite samples were melt-mixed in brabender internal mixer. the effect of various mixing ...

Dual-curing is a processing technology based in the combination of two polymerization processes and proper selection formulation. This methodology allows preparation intermediate materials with tailored characteristics, which can be viscous-liquids or rubbery solids according to their application. Once applied, second stage performed leading high crosslinked network. Usually, different monomers...

Dental microwear analysis is an oft-used paleodietary estimation method, and the impression molds or resin casts are often analyzed rather than original tooth surfaces. A choice of silicone products for dental impressions crucial because quality data affected by accuracy molds. For this reason, researchers have heavily depended on a few commercial such as “President” (Coltène/Whaledent AG, Swit...

in this study, the effect of chemical modification of wood flour on the mechanical properties of polypropylene based composites was investigated using by dynamic mechanic thermal analysis. to meet this objective, the wood flour treated with chemical components including alkaline, acetic acid and benzoyl chloride, and then the chemically treated fibers were compounded with polypropylene at 180 °...

Four PA6/graphite (G) composites systems were made. Two in situ polymerisation equivalent mixing strain and two melt extrusion of processing strain. The effective modulus the carbons, room temperature storage at 80 ⁰C evaluated using Dynamic Mechanical thermal Analysis (DMTA). Melt processing, was employed to make PA6/carbon composite over a range loadings Graphite Nano Platelets (GNP) fillers....