نتایج جستجو برای: polymer nanocomposite

تعداد نتایج: 104607  

Journal: :Materials advances 2021

Here, we describe a nanocomposite polymer electrolyte prepared using solution casting technique.

2012
Bin Hu Ning Hu Yuan Li Kentaro Akagi Weifeng Yuan Tomonori Watanabe Yong Cai

In this work, we propose a comprehensive multi-scale three-dimensional (3D) resistor network numerical model to predict the piezoresistivity behavior of a nanocomposite material composed of an insulating polymer matrix and conductive carbon nanotubes (CNTs). This material is expected to be used as highly sensitive resistance-type strain sensors due to its high piezoresistivity defined as the re...

2012
Joshua A. Thompson Karena W. Chapman William J. Koros Christopher W. Jones Sankar Nair

1387-1811/$ see front matter 2012 Elsevier Inc. A http://dx.doi.org/10.1016/j.micromeso.2012.03.052 ⇑ Corresponding authors. E-mail addresses: [email protected] (C.W. Jo ch.edu (S. Nair). The effect of typical membrane processing conditions on the structure, interfacial morphology, and gas separation performance of MOF/polymer nanocomposite membranes is investigated. In particular, the ZIF...

2009
Amit K. Kaushik Paul Podsiadlo Ming Qin Charles M. Shaw Anthony M. Waas Nicholas A. Kotov Ellen M. Arruda

Nanoscale control of structure in polymer nanocomposites is critical for their performance but has been difficult to investigate systematically due to the lack of a suitable experimental model. In this work, we investigated the role of nanoparticle layer separation in the finite deformation response of layered polyurethane(PU-) montmorillonite (MTM) nanocomposites. A series of multilayered nano...

Journal: :Journal of materials chemistry. B 2013
Xiliang Luo Cassandra L Weaver Susheng Tan Xinyan Tracy Cui

Advanced materials that are highly biocompatible and easily modifiable with biomolecules are of great importance for bio-interfacing and the development of biodevices. Here, a biocompatible conducting polymer based nanocomposite was electrochemically synthesized through the electropolymerization of poly(3, 4-ethylene dioxythiophene) (PEDOT) in the presence of graphene oxide (GO) as the only dop...

2013
Mostafa Yazdimamaghani Tannaz Pourvala Elaheh Motamedi Babak Fathi Daryoosh Vashaee Lobat Tayebi

Nanocomposites of encapsulated silica nanoparticles were prepared by in situ emulsion polymerization of acrylate monomers. The synthesized material showed good uniformity and dispersion of the inorganic components in the base polymer, which enhances the properties of the nanocomposite material. A nonionic surfactant with lower critical solution temperature (LCST) was used to encapsulate the sil...

2015
Kazuaki Kato Daisuke Matsui Koichi Mayumi Kohzo Ito

A significantly soft and tough nanocomposite gel was realized by a novel network formed using cyclodextrin-based polyrotaxanes. Covalent bond formation between the cyclic components of polyrotaxanes and the surface of silica nanoparticles (15 nm diameter) resulted in an infinite network structure without direct bonds between the main chain polymer and the silica. Small-angle X-ray scattering re...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

nanoindentation techniques are widely used for the study of nanomechanical properties of thin nanocomposite coatings. theoretical concepts and practical use of nanoindentation method are summarized with reporting the applications of these tests in characterization of some particular thin nanocomposite hybrid coatings prepared by sol-gel process. the better mechanical properties can be obtained ...

Journal: :international journal of nanoscience and nanotechnology 2011
m. ranjbar s. h. mahmoudi najafi n. shahsavan m. yousefi

the study describes the synthesis and characterization of zinc(ii) minoxidil nanocomposite (1). the reaction between zinc(ii) acetate, minoxidil, {c9h15n5o=minoxidil=(2,4-diamino-6-piperidine-1-yl) pyrimidine n-oxide)} as a ligand and ki as bridging agent, in methanol at 60°c leads to the formation of nano-sized zn(ii) minoxidil nanocomposite, 1. characterization of (1) was carried out by eleme...

2007
Mehrdad Kokabi Mohammad Sirousazar Zuhair Muhammad Hassan

Polymer gels as soft biomaterials have found diverse applications in biomedical field, e.g. in management and care of wound as wound dressing. The recent researches on nanocomposite materials have shown that some properties of polymers and gels significantly improve by adding organoclay into polymeric matrix. In this work, in order to obtain wound dressing with better properties, nanocomposite ...

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