نتایج جستجو برای: polymeric nanocomposites

تعداد نتایج: 38374  

2009
Yong X. Gan

This paper deals with the effect of interface structures on the mechanical properties of fiber reinforced composite materials. First, the background of research, development and applications on hybrid composite materials is introduced. Second, metal/polymer composite bonded structures are discussed. Then, the rationale is given for nanostructuring the interface in composite materials and struct...

2012
Sumit Goyal Gyanendra Kumar Goyal

Nanotechnology has an extremely high potential to benefit society through applications in food packaging. It can make the products cheaper and the production more efficient by producing less waste and using less energy. However, any new technology carries an ethical responsibility for wise application and the recognition that there are potential unforeseen risks that may come with the tremendou...

2008
M. D. Dadmun

The dispersion of nanoscale particles or domains in a polymer matrix can provide nonlinear enhancement of the material properties and produce novel nanostructured materials with unique and controllable properties. Our group is currently examining systems that will provide an understanding of how manipulation and control of the structure of polymeric components can be utilized to efficiently and...

Journal: :Macromolecular rapid communications 2011
José A Pomposo Alaitz Ruiz de Luzuriaga Iñaki García Agustín Etxeberria Juan Colmenero

Direct observation of the miscibility improving effect of ultra-small polymeric nanoparticles (radius ≈4 nm) in model systems of soft nanocomposites is reported. We have found thermodynamically arrested phase separation in classical poly(styrene) (PS)/poly(vinyl methyl ether) blends when PS linear chains were totally replaced by ultra-small, single chain PS nanoparticles, as determined by therm...

The Cancer is one of the world’s most devastating diseases. Doxorubicin (DOX) is an effective chemotherapeutic drug; however, its toxicity is a significant limitation in therapy. Due to the severe side effects of chemotherapy drugs, scientists have tried to load these drugs in nanocomposites. This paper describes a facile and low cost approach for preparation polymeric biodegradable nanohybrid ...

2011
Mansor Bin Ahmad Mei Yen Tay Kamyar Shameli Mohd Zobir Hussein Jenn Jye Lim

This paper presents the green synthesis of silver nanoparticles (Ag NPs) in aqueous medium. This method was performed by reducing AgNO(3) in different stirring times of reaction at a moderate temperature using green agents, chitosan (Cts) and polyethylene glycol (PEG). In this work, silver nitrate (AgNO(3)) was used as the silver precursor while Cts and PEG were used as the solid support and po...

2013
Muhammad Amin

Electrical insulation materials are advancing rapidly due to several advantages including light weight, better performance in polluted environment and reduced installation cost. In polymeric micro-composites, enhancing one property of the insulator may affect adversely on the other desired properties. This problem can be addressed practically with the invention of nanocomposites. This article p...

Journal: :Science 2002
T C Merkel B D Freeman R J Spontak Z He I Pinnau P Meakin A J Hill

Polymer nanocomposites continue to receive tremendous attention for application in areas such as microelectronics, organic batteries, optics, and catalysis. We have discovered that physical dispersion of nonporous, nanoscale, fumed silica particles in glassy amorphous poly(4-methyl-2-pentyne) simultaneously and surprisingly enhances both membrane permeability and selectivity for large organic m...

2010
Marco Bernabò Andrea Pucci Hasina Harimino Ramanitra Giacomo Ruggeri

Polymer/metal nanocomposite containing intrinsically anisotropic metal nanostructures such as metal nanorods and nanowires appeared extremely more sensitive and responsive to mechanical stimuli than nanocomposites containing spherical nanoparticles. After uniaxial stretching of the supporting polymer matrix (poly(vinyl alcohol)), the elongated silver nanostructures embedded at low concentration...

Journal: :Journal of composites science 2022

Graphene is a unique nanocarbon nanomaterial, frequently explored with polymeric matrices for technical purposes. An indispensable application of polymer/graphene nanocomposites has been observed membrane technology. This review highlights the design, properties, and promising features nanomaterials nanocomposite membranes pervasion purification toxins, pollutants, microbials, other desired con...

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