Hydrized derivatives of phenylene diamine were reacted with aromatic diacid chloride to give wholly aromatic polyamide/hydrazide compounds with much better solubility in organic solvents thus improving their pressesability. Carbon nano-tubes were used as fillers to enhance their thermal and mechanical properties. The polymers as well as the composite were characterized by spectral and mechanica...

In this paper, a planar monopole antenna is introduced, also we added some new Nano fillers such as Fumed Silica and Aluminum Oxide to RT Duriod5880 and RO3003 to produce new Nano composite materials, then new Nano composite materials are used as a substrate of a ultra-wideband monopole antenna. Antenna characteristics are considered to illustrate that, by using these Nano composite materials, ...

Majority of materials employed for food packaging are non-biodegradable materials which do not meet increasing demands in society for sustainability and environmental safety. Thus, numerous biopolymers have been exploited to develop biodegradable food packaging materials. Nonetheless, the usage of biopolymers has been limited due to the poor mechanical and barrier properties. These properties c...

Preceramic polymers, i.e., polymers that are converted into ceramics upon heat treatment, have been successfully used for almost 40 years to give advanced ceramics, especially belonging to the ternary SiCO and SiCN systems or to the quaternary SiBCN system. One of their main advantages is the possibility of combining the shaping and synthesis of ceramics: components can be shaped at the precurs...

Poly methyl methacrylate (PMMA) is the dominant acrylic that widely used to produce partial and complete dentures. Denture fractures are caused by fatigue owing repetitive masticatory, flexural impact loads produced dropping. The mechanical properties of dentures have been developed reinforcing with various agents like rubbers, fillers fibers. Progressively, novel dental materials reinforcement...

The composites with multiple types of nano-carbon fillers have better electrical conductivity and piezoresistive properties as compared a single type fillers. As previously reported, the various aspect ratios, such carbon nanotube (CNT) black (CB), synergistic enhanced effects on performance composite sensors. However, most works that been reported are experimental investigations. efficient usa...

The directivities of the fields radiated by a variety of cylindrical and spherical active coated nano-particles, which are excited by their respective sources of illumination at optical frequencies, are investigated. Particular attention is devoted to the influence of the source location and optical gain constant on the directivities. While significant variations in the directivities are realiz...

Electromagnetic properties of cylindrical active coated nano-particles comprised of a silica nano-cylinder core layered with a plasmonic concentric nano-shell are investigated for potential nano-sensor applications. Particular attention is devoted to the near-field properties of these particles, as well as to their far-field radiation characteristics, in the presence of an electric or a magneti...

Abstract Nanotechnology has facilitated unique ways of developing novel nano-composites. In that sense, polymer-based nano-composites are being extensively researched for their outstanding properties as a result incorporating nano-fillers in the polymer matrix. They have activated enormous research interests owing to potential addressing environmental issues, packaging, optics, electronics, bat...

Recent experiments on vesicles formed from block copolymers with liquid-crystalline side chains reveal a rich variety of vesicle morphologies. The additional internal order ("structure") developed by these self-assembled block copolymer vesicles can lead to significantly deformed vesicles as a result of the delicate interplay between two-dimensional ordering and vesicle shape. The inevitable to...