نتایج جستجو برای: cofe2o4sio2 nanocomposites

تعداد نتایج: 15115  

2014
Vivek Kumar Modi Chandan Sharma Prakash Kumar Sen Shailendra Kumar Bohidar

The present paper study about the green polymer nanocomposites (GPNCs), through this paper we study of bio-reinforced composites in automotive, construction, packaging and medical applications due to increased concern for environmental sustainability. In the study of Green polymer nanocomposites we learned unique properties of combining the advantages of natural fillers and organic polymers. Pl...

2017
Tianyi Wang Shuangqiang Chen Huan Pang Huaiguo Xue Yan Yu

Typical layered transition-metal chalcogenide materials, in particular layered molybdenum disulfide (MoS2) nanocomposites, have attracted increasing attention in recent years due to their excellent chemical and physical properties in various research fieldsHere, a general overview of synthetic MoS2 based nanocomposites via different preparation approaches and their applications in energy storag...

1998
Emmanuel P. Giannelis

Polymer nanocomposites, especially polymerlayered silicate (PLS) nanocomposites, represent a radical alternative to conventionally (macroscopically) filled polymers. Because of their nanometer-size dispersion, the nanocomposites exhibit markedly improved properties when compared with the pure polymers or conventional composites. These include increased modulus and strength, decreased gas permea...

Journal: :Nanoscale 2014
Kamyar Pashayi Hafez Raeisi Fard Fengyuan Lai Sushumna Iruvanti Joel Plawsky Theodorian Borca-Tasciuc

We report the formation of high aspect ratio nanoscale tree-shape silver networks in epoxy, at low temperatures (<150 °C) and atmospheric pressures, that are correlated to a ∼200 fold enhancement of thermal conductivity (κ) of the nanocomposite compared to the polymer matrix. The networks form through a three-step process comprising of self-assembly by diffusion limited aggregation of polyvinyl...

2014
Xin Zhang Weiwei Chen Jianjun Wang Yang Shen Yuanhua Lin

Interface issues are common and crucial in nanocomposites or nanohybrid systems since the interface area is enormous on the nanoscale. In the 0-3 polymer nanocomposites, in which nano-inclusions (0-dimension) are embedded in 3-dimensionally connected polymer matrix, enhanced dielectric permittivity could be induced by the interfacial polarization at the interfaces between the nano-inclusions an...

2005
S. Jurga

Polymer-layered silicate nanocomposites belong to a new class of hybrid materials consisting of organic-synthetic polymer matrix and inorganic filler-layered structure clay minerals. The paper presents the results of FTIR, NMR, and SAXS studies of poly(ε-caprolactone)/sodium montmorillonite nanocomposites. We observed a correlation between the concentration of poly(ε-caprolactone) in nanocompos...

Journal: :Nanotechnology 2008
Ning Hu Zen Masuda Cheng Yan Go Yamamoto Hisao Fukunaga Toshiyuki Hashida

The electrical properties of polymer nanocomposites containing a small amount of carbon nanotube (CNT) are remarkably superior to those of conventional electronic composites. Based on three-dimensional (3D) statistical percolation and 3D resistor network modeling, the electrical properties of CNT nanocomposites, at and after percolation, were successfully predicted in this work. The numerical a...

2014
Mingchao Wang Cheng Yan Ning Hu

With a monolayer honeycomb-lattice of sp-hybridized carbon atoms, graphene has demonstrated exceptional electrical, mechanical and thermal properties. One of its promising applications is to create graphene-polymer nanocomposites with tailored mechanical and physical properties. In general, the mechanical properties of graphene nanofiller as well as graphene-polymer interface govern the overall...

2014
Lukas Schlagenhauf Frank Nüesch Jing Wang

Carbon nanotube (CNT)/polymer nanocomposites have superior properties compared to the neat polymer matrix. They now are widely used in industry, but questions have been raised about the risks of such materials since CNTs can be toxic when inhaled. For a risk assessment of CNT nanocomposites, it is crucial to know whether CNTs from nanocomposites can be released into the environment or if they r...

Journal: :ACS nano 2015
Shanshan Gong Wei Cui Qi Zhang Anyuan Cao Lei Jiang Qunfeng Cheng

With its synergistic toughening effect and hierarchical micro/nanoscale structure, natural nacre sets a "gold standard" for nacre-inspired materials with integrated high strength and toughness. We demonstrated strong and tough ternary bioinspired nanocomposites through synergistic toughening of reduced graphene oxide and double-walled carbon nanotube (DWNT) and covalent bonding. The tensile str...

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