نتایج جستجو برای: polymer composite nanomaterial

تعداد نتایج: 210545  

Journal: :Nano letters 2005
Andrew P-Z Clark Kwang-Fu Shen Yves F Rubin Sarah H Tolbert

We have synthesized optically active nanostructured composite materials by using an amphiphilic semiconducting polymer, a poly(phenylene ethynylene) (PPE), and a conventional ammonium surfactant as the structure-directing agents. The PPE consists of phenylene units para-substituted with an octyloxy chain and a charged trimethylammoniumethoxy group, resulting in a surfactant-like structure that ...

Journal: :Small science 2023

High-energy-density storage devices play a major role in modern electronics from traditional lithium-ion batteries to supercapacitors for variety of applications rechargeable advanced military equipment. Despite the mass adoption polymer capacitors, their application is limited by low energy densities and low-temperature tolerance. Polymer nanocomposites based on 2D nanomaterials have superior ...

Journal: :Nanoscale 2021

A novel foam-like Ni@Ni(OH)2 composite nanomaterial, synthesized by an organometallic approach, exhibited remarkable robustness and high catalytic performance for CO2 hydrogenation to formate.

Journal: :Materials advances 2023

This review showcases how 2D nanomaterial-based aerogels can be integrated with PCMs, marking a milestone in interdisciplinary research. It covers the latest breakthroughs aerogel fabrication and their potential applications composite PCMs.

Journal: :E3S web of conferences 2021

Carbon nanomaterials reinforced composite materials have been broadly utilized in manufacturing engineering due to improved thermal resistivity, reduced weight, and other mechanical properties. This article highlights the drilling experimentation of zero-dimensional (0-D) nano onion (CNO) polymer composite. For this, three constraints was considered viz., spindle speed, feed rate, weight % nano...

2014
Mohammed A basher

This paper is focused on using foam concrete as structural element in polymer-concrete composite plate girders. Trial mixes of foam concrete and different proportions of foam agent were considered to obtain the suitable mix that can be used as structural element in composite girders system. Details of the experimental investigations on foam concrete precast slabs and polymer-concrete composite ...

2002
Gregory M. Odegard Thomas S. Gates

In this study, a technique has been proposed for developing constitutive models for polymer composite systems reinforced with single-walled carbon nanotubes (SWNT) with various orientations with respect to the bulkmaterial coordinates. A nanotube, the local polymer adjacent to the nanotube, and the nanotube/polymer interface have been modeled as an equivalent-continuum fiber by using an equival...

2009
Vikas Mittal

This review aims to present recent advances in the synthesis and structure characterization as well as the properties of polymer layered silicate nanocomposites. The advent of polymer layered silicate nanocomposites has revolutionized research into polymer composite materials. Nanocomposites are organic-inorganic hybrid materials in which at least one dimension of the filler is less than 100 nm...

2013
RAMESH YAMGAR

Our paper reviews the use of conductive polymer composite materials in various applications for semi conductive, static-dissipative, anti-corrosive, electromagnetic interference (EMI) shielding and stealth composite coatings. The composite consists of conductive fillers and the insulating polymer network. The composite becomes electrically conductive as the filler content exceeds a certain crit...

2016
Fangming Du Csaba Guthy Takashi Kashiwagi John E. Fischer Karen I. Winey

Recent studies of SWNT/polymer nanocomposites identify the large interfacial thermal resistance at nanotube/nanotube junctions as a primary cause for the only modest increases in thermal conductivity relative to the polymer matrix. To reduce this interfacial thermal resistance, we prepared a freestanding nanotube framework by removing the polymer matrix from a 1 wt % SWNT/PMMA composite by nitr...

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