نتایج جستجو برای: absorbing nanocomposites

تعداد نتایج: 27868  

2016
Zhenyi Shao Yue Sun Wanxia Liu Xueqiao Zhang Xiaosong Jiang Hugo F. Lopez

Cu/Ti3SiC2/C/BN/GNPs nanocomposites were prepared by vacuum hot-pressing (HP) sintering and hot isostatic pressing (HIP) sintering methods. Microstructures, mechanical and tribological properties of Cu/Ti3SiC2/C/BN/GNPs nanocomposites were investigated. Microstructures were examined by optical microscopy (OM), X-ray diffraction (XRD) and scanning electron microscope (SEM). Mechanical properties...

2016
Julien Kiener Ovidiu Ersen Julien Parmentier Samuel Bernard André Ayral Philippe Miele

Nanocomposites of ordered mesoporous carbon associated with chromium nitride (CrN) or vanadium nitride (VN) nanoparticles were obtained by a simple one-pot synthesis based on the solvent evaporation induced self-assembly (EISA) process using Pluronic triblock surfactant as soft-template and a phenol-based resin (resol) as carbon precursor. These nanocomposites were characterized by X-ray diffra...

Journal: :Journal of the American Chemical Society 2005
Huisheng Peng Jing Tang Jiebin Pang Daoyong Chen Lu Yang Henry S Ashbaugh C Jeffrey Brinker Zhenzhong Yang Yunfeng Lu

Conjugated polydiacetylene (PDA)/silica nanocomposites with tunable mesostructures and reversible thermochromatism were synthesized through self-directed assembly of diacetylenic silanes. In contrast to the previous studies, where the PDA side chains interacted weakly through noncovalent interactions, the side chains in the present nanocomposites are covalently connected to the inorganic silica...

2009
E. Hajizadeh H. Garmabi

Toughening of polyamide 6 (PA6)/ Nanoclay (NC) nanocomposites with styrene-ethylene/butadiene-styrene copolymer (SEBS) using maleated styrene-ethylene/butadiene-styrene copolymer (mSEBS)/ as a compatibilizer were investigated by blending them in a co-rotating twin-screw extruder. Response surface method of experimental design was used for optimizing the material and processing parameters. Effec...

Journal: :Chemical Society reviews 2012
Ken Cham-Fai Leung Shouhu Xuan Xiaoming Zhu Dawei Wang Chun-Pong Chak Siu-Fung Lee Watson K-W Ho Berton C-T Chung

This critical review provides an overview of current research activities that focused on the synthesis and application of multi-functional gold and iron oxide (Au-Fe(x)O(y)) hybrid nanoparticles and nanocomposites. An introduction of synthetic strategies that have been developed for generating Au-Fe(x)O(y) nanocomposites with different nanostructures is presented. Surface functionalisation and ...

2011
Tian Liu Weston Wood Wei-Hong Zhong

We examined the correlation of wear effects with dielectric properties of carbon nanofibers (CNFs; untreated and organosilane-treated)-reinforced high-density polyethylene (HDPE) composites. Wear testing for the nanocomposites over up to 120 h was carried out, and then, dielectric permittivity and dielectric loss factor of the polymer composites with the increased wear time were studied. Scanni...

2017
Abdel-Hamid I. Mourad Mohammad Sayem Mozumder Anusha Mairpady Hifsa Pervez Uma Maheshwara Kannuri

In recent years, the development and use of polymeric nanocomposites in creating advanced materials has expanded exponentially. A substantial amount of research has been done in order to design polymeric nanocomposites in a safe and efficient manner. In the present study, the impact of processing parameters, such as, barrel temperature, and residence time on the mechanical and thermal propertie...

2012
Ming He Jing Ge Zhiqun Lin Xuhui Feng Xinwei Wang Hongbin Lu Yuliang Yang Feng Qiu

The energy-filtering effect was successfully employed at the organic–inorganic semiconductor interface of poly(3-hexylthiophene) (P3HT) nanocomposites with the addition of Bi2Te3 nanowires, where lowenergy carriers were strongly scattered by the appropriately engineered potential barrier of the P3HT– Bi2Te3 interface. The resulting P3HT–Bi2Te3 nanocomposites exhibited a high power factor of 13....

2015
Oleg Yu Posudievsky Mykhailo S Papakin Oleksandr P Boiko Vyachesalv G Koshechko Vitaly D Pokhodenko

Conformation of macromolecules and interchain interactions determine spectral properties of conjugated polymers (CP). An achievement of spatial confinement of isolated chains is one of the routes to use this feature of CP for their purposeful usage. In the present work, CP/O300 nanocomposites based on CP - poly(p-phenylenevinylene) and poly(2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene) ...

2014
Mojgan Zendehdel Giuseppe Cruciani Forozan Sahra Kar Abolfazl Barati

Recently, hybrid materials using poly ethylene glycol and porous nanocrystals have been developed for drug release. In this study, a series of poly ethylene glycol (PEG)/NaY zeolite and PEG/MCM-41 nanocomposites get synthesized. These materials are characterized using FT-IR spectroscopy, XRD, TGA and SEM. After loading the metronidazole onto these nanocomposites, the release of Metronidazole wa...

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